mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2026-11-08 18:57:22 +00:00
52,563 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Tejun Heo
|
05909810a9 |
tools/sched_ext: scx_qmap: Silence task_ctx lookup miss
scx_fork() dispatches ops.init_task to exactly one scheduler - the one
owning the forking task's cgroup. A task forked inside a sub-scheduler's
cgroup is init'd into the sub only; the root scheduler has no task_ctx
entry for it. When that task later appears as @prev in the root's
qmap_dispatch() (or flows through core-sched comparison via task_qdist),
the bpf_task_storage_get() legitimately misses.
qmap treated those misses as fatal via scx_bpf_error("task_ctx lookup
failed") and aborted the scheduler as soon as the first cross-sched
task hit the root. Drop the error in the sites where the miss is
legitimate: lookup_task_ctx() (helper; callers already check for NULL),
qmap_dispatch()'s @prev branch (bookkeeping-only), task_qdist()
(returns 0 which makes the comparison a no-op), and qmap_select_cpu()
(returns prev_cpu as a no-op fallback instead of -ESRCH). The existing
scx_error was a paranoid guard from the pre-sub-sched world where every
task was owned by the one and only scheduler.
v2: qmap_select_cpu() returns prev_cpu on NULL instead of -ESRCH, so
the root scheduler doesn't error on cross-sched tasks that pass
through it (Andrea Righi).
Fixes:
|
||
Cheng-Yang Chou
|
5897ca15d2 |
selftests/sched_ext: Add non_scx_kfunc_deny test
Verify that the BPF verifier rejects a non-SCX struct_ops program (tcp_congestion_ops) that attempts to call an SCX kfunc (scx_bpf_kick_cpu). The test expects the load to fail with -EACCES from scx_kfunc_context_filter. Signed-off-by: Cheng-Yang Chou <yphbchou0911@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> |
||
Linus Torvalds
|
d3d9443f8b |
livepatching changes for 7.1
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||
|
Linus Torvalds
|
f0bf3eac92 |
VFIO updates for v7.1-rc1
- Update QAT vfio-pci variant driver for Gen 5, 420xx devices.
(Vijay Sundar Selvamani, Suman Kumar Chakraborty, Giovanni Cabiddu)
- Fix vfio selftest MMIO DMA mapping selftest. (Alex Mastro)
- Conversions to const struct class in support of class_create()
deprecation. (Jori Koolstra)
- Improve selftest compiler compatibility by avoiding initializer
on variable-length array. (Manish Honap)
- Define new uAPI for drivers supporting migration to advise user-
space of new initial data for reducing target startup latency.
Implemented for mlx5 vfio-pci variant driver. (Yishai Hadas)
- Enable vfio selftests on aarch64, not just cross-compiles reporting
arm64. (Ted Logan)
- Update vfio selftest driver support to include additional DSA
devices. (Yi Lai)
- Unconditionally include debugfs root pointer in vfio device struct,
avoiding a build failure seen in hisi_acc variant driver without
debugfs otherwise. (Arnd Bergmann)
- Add support for the s390 ISM (Internal Shared Memory) device via
a new variant driver. The device is unique in the size of its BAR
space (256TiB) and lack of mmap support. (Julian Ruess)
- Enforce that vfio-pci drivers implement a name in their ops
structure for use in sequestering SR-IOV VFs. (Alex Williamson)
- Prune leftover group notifier code. (Paolo Bonzini)
- Fix Xe vfio-pci variant driver to avoid migration support as a
dependency in the reset path and missing release call.
(Michał Winiarski)
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Merge tag 'vfio-v7.1-rc1' of https://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson:
- Update QAT vfio-pci variant driver for Gen 5, 420xx devices (Vijay
Sundar Selvamani, Suman Kumar Chakraborty, Giovanni Cabiddu)
- Fix vfio selftest MMIO DMA mapping selftest (Alex Mastro)
- Conversions to const struct class in support of class_create()
deprecation (Jori Koolstra)
- Improve selftest compiler compatibility by avoiding initializer on
variable-length array (Manish Honap)
- Define new uAPI for drivers supporting migration to advise user-
space of new initial data for reducing target startup latency.
Implemented for mlx5 vfio-pci variant driver (Yishai Hadas)
- Enable vfio selftests on aarch64, not just cross-compiles reporting
arm64 (Ted Logan)
- Update vfio selftest driver support to include additional DSA devices
(Yi Lai)
- Unconditionally include debugfs root pointer in vfio device struct,
avoiding a build failure seen in hisi_acc variant driver without
debugfs otherwise (Arnd Bergmann)
- Add support for the s390 ISM (Internal Shared Memory) device via a
new variant driver. The device is unique in the size of its BAR space
(256TiB) and lack of mmap support (Julian Ruess)
- Enforce that vfio-pci drivers implement a name in their ops structure
for use in sequestering SR-IOV VFs (Alex Williamson)
- Prune leftover group notifier code (Paolo Bonzini)
- Fix Xe vfio-pci variant driver to avoid migration support as a
dependency in the reset path and missing release call (Michał
Winiarski)
* tag 'vfio-v7.1-rc1' of https://github.com/awilliam/linux-vfio: (23 commits)
vfio/xe: Add a missing vfio_pci_core_release_dev()
vfio/xe: Reorganize the init to decouple migration from reset
vfio: remove dead notifier code
vfio/pci: Require vfio_device_ops.name
MAINTAINERS: add VFIO ISM PCI DRIVER section
vfio/ism: Implement vfio_pci driver for ISM devices
vfio/pci: Rename vfio_config_do_rw() to vfio_pci_config_rw_single() and export it
vfio: unhide vdev->debug_root
vfio/qat: add support for Intel QAT 420xx VFs
vfio: selftests: Support DMR and GNR-D DSA devices
vfio: selftests: Build tests on aarch64
vfio/mlx5: Add REINIT support to VFIO_MIG_GET_PRECOPY_INFO
vfio/mlx5: consider inflight SAVE during PRE_COPY
net/mlx5: Add IFC bits for migration state
vfio: Adapt drivers to use the core helper vfio_check_precopy_ioctl
vfio: Add support for VFIO_DEVICE_FEATURE_MIG_PRECOPY_INFOv2
vfio: Define uAPI for re-init initial bytes during the PRE_COPY phase
vfio: selftests: Fix VLA initialisation in vfio_pci_irq_set()
vfio: uapi: fix comment typo
vfio: mdev: replace mtty_dev->vd_class with a const struct class
...
|
||
Petr Mladek
|
448c0f8cb7 | Merge branch 'for-7.1/module-function-test' into for-linus | ||
|
Linus Torvalds
|
9e1e9d6602 |
RTLA patches for v7.1:
- Simplify option parsing Auto-generate getopt_long() optstring for short options from long options array, avoiding the need to specify it manually and reducing the surface for mistakes. - Add unit tests Implement unit tests (make unit-tests) using libcheck, next to existing runtime tests (make check). Currently, three functions from utils.c are tested. - Add --stack-format option In addition to stopping stack pointer decoding (with -s/--stack option) on first unresolvable pointer, allow also skipping unresolvable pointers and displaying everything, configurable with a new option. - Unify number of CPUs into one global variable Use one global variable, nr_cpus, to store the number of CPUs instead of retrieving it and passing it at multiple places. - Fix behavior in various corner cases Make RTLA behave correctly in several corner cases: memory allocation failure, invalid value read from kernel side, thread creation failure, malformed time value input, and read/write failure or interruption by signal. - Improve string handling Simplify several places in the code that handle strings, including parsing of action arguments. A few new helper functions and variables are added for that purpose. - Get rid of magic numbers Few places handling paths use a magic number of 1024. Replace it with MAX_PATH and ARRAY_SIZE() macro. - Unify threshold handling Code that handles response to latency threshold is duplicated between tools, which has led to bugs in the past. Unify it into a new helper as much as possible. - Fix segfault on SIGINT during cleanup The SIGINT handler touches dynamically allocated memory. Detach it before freeing it during cleanup to prevent segmentation fault and discarding of output buffers. Also, properly document SIGINT handling while at it. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCad4njhQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qoKkAP0bYgkuqvyBsplZf1Mqil7IRM3tTFni XJdkFFr6E6jS/gEAynaf7oq4gz7isvMvZZTOVcl1VflQAjLuY9ezO5LQzw0= =mR69 -----END PGP SIGNATURE----- Merge tag 'trace-rtla-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull RTLA updates from Steven Rostedt: - Simplify option parsing Auto-generate getopt_long() optstring for short options from long options array, avoiding the need to specify it manually and reducing the surface for mistakes. - Add unit tests Implement unit tests (make unit-tests) using libcheck, next to existing runtime tests (make check). Currently, three functions from utils.c are tested. - Add --stack-format option In addition to stopping stack pointer decoding (with -s/--stack option) on first unresolvable pointer, allow also skipping unresolvable pointers and displaying everything, configurable with a new option. - Unify number of CPUs into one global variable Use one global variable, nr_cpus, to store the number of CPUs instead of retrieving it and passing it at multiple places. - Fix behavior in various corner cases Make RTLA behave correctly in several corner cases: memory allocation failure, invalid value read from kernel side, thread creation failure, malformed time value input, and read/write failure or interruption by signal. - Improve string handling Simplify several places in the code that handle strings, including parsing of action arguments. A few new helper functions and variables are added for that purpose. - Get rid of magic numbers Few places handling paths use a magic number of 1024. Replace it with MAX_PATH and ARRAY_SIZE() macro. - Unify threshold handling Code that handles response to latency threshold is duplicated between tools, which has led to bugs in the past. Unify it into a new helper as much as possible. - Fix segfault on SIGINT during cleanup The SIGINT handler touches dynamically allocated memory. Detach it before freeing it during cleanup to prevent segmentation fault and discarding of output buffers. Also, properly document SIGINT handling while at it. * tag 'trace-rtla-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (28 commits) Documentation/rtla: Document SIGINT behavior rtla: Fix segfault on multiple SIGINTs rtla/utils: Fix loop condition in PID validation rtla/utils: Fix resource leak in set_comm_sched_attr() rtla/trace: Fix I/O handling in save_trace_to_file() rtla/trace: Fix write loop in trace_event_save_hist() rtla/timerlat: Simplify RTLA_NO_BPF environment variable check rtla: Use str_has_prefix() for option prefix check rtla: Enforce exact match for time unit suffixes rtla: Use str_has_prefix() for prefix checks rtla: Add str_has_prefix() helper function rtla: Handle pthread_create() failure properly rtla/timerlat: Add bounds check for softirq vector rtla: Simplify code by caching string lengths rtla: Replace magic number with MAX_PATH rtla: Introduce common_threshold_handler() helper rtla/actions: Simplify argument parsing rtla: Use strdup() to simplify code rtla: Exit on memory allocation failures during initialization tools/rtla: Remove unneeded nr_cpus from for_each_monitored_cpu ... |
||
|
Linus Torvalds
|
fdbfee9fc5 |
Runtime Verification updates for 7.1:
- Refactor da_monitor header to share handlers across monitor types No functional changes, only less code duplication. - Add Hybrid Automata model class Add a new model class that extends deterministic automata by adding constraints on transitions and states. Those constraints can take into account wall-clock time and as such allow RV monitor to make assertions on real time. Add documentation and code generation scripts. - Add stall monitor as hybrid automaton example Add a monitor that triggers a violation when a task is stalling as an example of automaton working with real time variables. - Convert the opid monitor to a hybrid automaton The opid monitor can be heavily simplified if written as a hybrid automaton: instead of tracking preempt and interrupt enable/disable events, it can just run constraints on the preemption/interrupt states when events like wakeup and need_resched verify. - Add support for per-object monitors in DA/HA Allow writing deterministic and hybrid automata monitors for generic objects (e.g. any struct), by exploiting a hash table where objects are saved. This allows to track more than just tasks in RV. For instance it will be used to track deadline entities in deadline monitors. - Add deadline tracepoints and move some deadline utilities Prepare the ground for deadline monitors by defining events and exporting helpers. - Add nomiss deadline monitor Add first example of deadline monitor asserting all entities complete before their deadline. - Improve rvgen error handling Introduce AutomataError exception class and better handle expected exceptions while showing a backtrace for unexpected ones. - Improve python code quality in rvgen Refactor the rvgen generation scripts to align with python best practices: use f-strings instead of %, use len() instead of __len__(), remove semicolons, use context managers for file operations, fix whitespace violations, extract magic strings into constants, remove unused imports and methods. - Fix small bugs in rvgen The generator scripts presented some corner case bugs: logical error in validating what a correct dot file looks like, fix an isinstance() check, enforce a dot file has an initial state, fix type annotations and typos in comments. - rvgen refactoring Refactor automata.py to use iterator-based parsing and handle required arguments directly in argparse. - Allow epoll in rtapp-sleep monitor The epoll_wait call is now rt-friendly so it should be allowed in the sleep monitor as a valid sleep method. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCad4kUxQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qiJgAPsGJ0TCTubdn2x6fpwLDKUcSsNsYrok m8gLHeK0rmkKNQD/ajUW+RBsOufXAsnSzUoUcl7sw1TSiQJ085U+0+ZeDgM= =WZqk -----END PGP SIGNATURE----- Merge tag 'trace-rv-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull runtime verification updates from Steven Rostedt: - Refactor da_monitor header to share handlers across monitor types No functional changes, only less code duplication. - Add Hybrid Automata model class Add a new model class that extends deterministic automata by adding constraints on transitions and states. Those constraints can take into account wall-clock time and as such allow RV monitor to make assertions on real time. Add documentation and code generation scripts. - Add stall monitor as hybrid automaton example Add a monitor that triggers a violation when a task is stalling as an example of automaton working with real time variables. - Convert the opid monitor to a hybrid automaton The opid monitor can be heavily simplified if written as a hybrid automaton: instead of tracking preempt and interrupt enable/disable events, it can just run constraints on the preemption/interrupt states when events like wakeup and need_resched verify. - Add support for per-object monitors in DA/HA Allow writing deterministic and hybrid automata monitors for generic objects (e.g. any struct), by exploiting a hash table where objects are saved. This allows to track more than just tasks in RV. For instance it will be used to track deadline entities in deadline monitors. - Add deadline tracepoints and move some deadline utilities Prepare the ground for deadline monitors by defining events and exporting helpers. - Add nomiss deadline monitor Add first example of deadline monitor asserting all entities complete before their deadline. - Improve rvgen error handling Introduce AutomataError exception class and better handle expected exceptions while showing a backtrace for unexpected ones. - Improve python code quality in rvgen Refactor the rvgen generation scripts to align with python best practices: use f-strings instead of %, use len() instead of __len__(), remove semicolons, use context managers for file operations, fix whitespace violations, extract magic strings into constants, remove unused imports and methods. - Fix small bugs in rvgen The generator scripts presented some corner case bugs: logical error in validating what a correct dot file looks like, fix an isinstance() check, enforce a dot file has an initial state, fix type annotations and typos in comments. - rvgen refactoring Refactor automata.py to use iterator-based parsing and handle required arguments directly in argparse. - Allow epoll in rtapp-sleep monitor The epoll_wait call is now rt-friendly so it should be allowed in the sleep monitor as a valid sleep method. * tag 'trace-rv-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (32 commits) rv: Allow epoll in rtapp-sleep monitor rv/rvgen: fix _fill_states() return type annotation rv/rvgen: fix unbound loop variable warning rv/rvgen: enforce presence of initial state rv/rvgen: extract node marker string to class constant rv/rvgen: fix isinstance check in Variable.expand() rv/rvgen: make monitor arguments required in rvgen rv/rvgen: remove unused __get_main_name method rv/rvgen: remove unused sys import from dot2c rv/rvgen: refactor automata.py to use iterator-based parsing rv/rvgen: use class constant for init marker rv/rvgen: fix DOT file validation logic error rv/rvgen: fix PEP 8 whitespace violations rv/rvgen: fix typos in automata and generator docstring and comments rv/rvgen: use context managers for file operations rv/rvgen: remove unnecessary semicolons rv/rvgen: replace __len__() calls with len() rv/rvgen: replace % string formatting with f-strings rv/rvgen: remove bare except clauses in generator rv/rvgen: introduce AutomataError exception class ... |
||
|
Linus Torvalds
|
5ed19574eb |
ktest updates for v7.1:
- Fix undef warning when WARNINGS_FILE is unset
The check_buildlog() references WARNINGS_FILE even when it's not set. Perl
triggers a warning in this case. Check if the WARNINGS_FILE is defined
before checking if the file it represents exists.
- Fix how LOG_FILE is resolved
LOG_FILE is expanded immediately after the config file is parsed. If
LOG_FILE depends on variables from the tests it will use stale values
instead of using the test variables. Have LOG_FILE also resolve test
variables.
- Treat a undefined self reference variable as empty
Variables can recursively include itself for appending. Currently, if the
references itself and it is not defined, it leaves the variable in the
define: "VAR = ${VAR} foo" keeps the ${VAR} around. Have it removed
instead.
- Fix clearing of variables per tests
If a variable has a defined default, a test can not clear it by assigning
the variable to empty. Fix this by clearing the variable for a test when
the test config has that variable assigned to nothing.
- Fix run_command() to catch stderr in the shell command parsing
Switch to Perl list form open to use "sh -c" wrapper to run shell commands
to have the log file catch shell parsing errors.
- Fix console output during reboot cycle
The POWER_CYCLE callback during reboot() can miss output from the next
boot making ktest miss the boot string it was waiting for.
- Add PRE_KTEST_DIE for PRE_KTEST failures
If the command for PRE_KTEST fails, ktest does not fail (this was by
design as this command was used to add patches that may or may not apply).
Add PRE_KTEST_DIE value to force ktest to fail if PRE_KTEST fails.
- Run POST_KTEST hooks on failure and cancellation
PRE_KTEST always runs before a ktest test, have POST_KTEST always run
after a test even if the test fails or is cancelled to do the teardown of
PRE_KTEST.
-- Add a --dry-run mode
Add --dry-run to parse the config, print the results and exit without
running any of the tests.
-- Store failures from the dodie() path as well
The STORE_FAILURES saves the logs on failure, but there's failure paths
that miss storing. Perform STORE_FAILURES in dodie() to capture these
failures too.
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Merge tag 'ktest-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest updates from Steven Rostedt:
- Fix undef warning when WARNINGS_FILE is unset
The check_buildlog() references WARNINGS_FILE even when it's not set.
Perl triggers a warning in this case. Check if the WARNINGS_FILE is
defined before checking if the file it represents exists.
- Fix how LOG_FILE is resolved
LOG_FILE is expanded immediately after the config file is parsed. If
LOG_FILE depends on variables from the tests it will use stale values
instead of using the test variables. Have LOG_FILE also resolve test
variables.
- Treat a undefined self reference variable as empty
Variables can recursively include itself for appending. Currently, if
the references itself and it is not defined, it leaves the variable
in the define: "VAR = ${VAR} foo" keeps the ${VAR} around. Have it
removed instead.
- Fix clearing of variables per tests
If a variable has a defined default, a test can not clear it by
assigning the variable to empty. Fix this by clearing the variable
for a test when the test config has that variable assigned to
nothing.
- Fix run_command() to catch stderr in the shell command parsing
Switch to Perl list form open to use "sh -c" wrapper to run shell
commands to have the log file catch shell parsing errors.
- Fix console output during reboot cycle
The POWER_CYCLE callback during reboot() can miss output from the
next boot making ktest miss the boot string it was waiting for.
- Add PRE_KTEST_DIE for PRE_KTEST failures
If the command for PRE_KTEST fails, ktest does not fail (this was by
design as this command was used to add patches that may or may not
apply). Add PRE_KTEST_DIE value to force ktest to fail if PRE_KTEST
fails.
- Run POST_KTEST hooks on failure and cancellation
PRE_KTEST always runs before a ktest test, have POST_KTEST always run
after a test even if the test fails or is cancelled to do the
teardown of PRE_KTEST.
- Add a --dry-run mode
Add --dry-run to parse the config, print the results and exit without
running any of the tests.
- Store failures from the dodie() path as well
The STORE_FAILURES saves the logs on failure, but there's failure
paths that miss storing. Perform STORE_FAILURES in dodie() to capture
these failures too.
* tag 'ktest-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest: Store failure logs also in fatal paths
ktest: Add a --dry-run mode
ktest: Run POST_KTEST hooks on failure and cancellation
ktest: Add PRE_KTEST_DIE for PRE_KTEST failures
ktest: Stop dropping console output during power-cycle reboot
ktest: Run commands through list-form shell open
ktest: Honor empty per-test option overrides
ktest: Treat undefined self-reference as empty
ktest: Resolve LOG_FILE in test option context
ktest: Avoid undef warning when WARNINGS_FILE is unset
|
||
|
Linus Torvalds
|
e4bf304f00 |
ring-buffer updates for 7.1:
- Add remote buffers for pKVM
pKVM has a hypervisor component that is used to protect the guest from the
host kernel. This hypervisor is a black box to the kernel as the kernel is
to user space. The remote buffers are used to have a memory mapping
between the hypervisor and the kernel where kernel may send commands to
enable tracing within the hypervisor. Then the kernel will read this
memory mapping just like user space can read the memory mapped ring buffer
of the kernel tracing system.
Since the hypervisor only has a single context, it doesn't need to worry
about races between normal context, interrupt context and NMIs like the
kernel does. The ring buffer it uses doesn't need to be as complex. The
remote buffers are a simple version of the ring buffer that works in a
single context. They are still per-CPU and use sub buffers. The data
layout is the same as the kernel's ring buffer to share the same parsing.
Currently, only ARM64 implements pKVM, but there's work to implement it
also in x86. The remote buffer code is separated out from the ARM
implementation so that it can be used in the future by x86.
The ARM64 updates for pKVM is in the ARM/KVM tree and it merged in the
remote buffers of this tree.
- Merge commit
|
||
|
Linus Torvalds
|
f1d26d72f0 |
IOMMU Updates for Linux v7.1:
Including:
- Core:
- Support for RISC-V IO-page-table format in generic iommupt
code
- ARM-SMMU Updates:
- Introduction of an "invalidation array" for SMMUv3, which enables
future scalability work and optimisations for devices with a large
number of SMMUv3 instances.
- Update the conditions under which the SMMUv3 driver works around
hardware errata for invalidation on MMU-700 implementations.
- Fix broken command filtering for the host view of NVIDIA's "cmdqv"
SMMUv3 extension.
- MMU-500 device-tree binding additions for Qualcomm Eliza & Hawi SoCs.
- Intel VT-d:
- Support for dirty tracking on domains attached to PASID
- Removal of unnecessary read*()/write*() wrappers
- Improvements to the invalidation paths
- AMD Vi:
- Race-condition fixed in debugfs code
- Make log buffer allocation NUMA aware
- RISC-V:
- IO-TLB flushing improvements
- Minor fixes
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Merge tag 'iommu-updates-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux
Pull iommu updates from Joerg Roedel:
"Core:
- Support for RISC-V IO-page-table format in generic iommupt code
ARM-SMMU Updates:
- Introduction of an "invalidation array" for SMMUv3, which enables
future scalability work and optimisations for devices with a large
number of SMMUv3 instances
- Update the conditions under which the SMMUv3 driver works around
hardware errata for invalidation on MMU-700 implementations
- Fix broken command filtering for the host view of NVIDIA's "cmdqv"
SMMUv3 extension
- MMU-500 device-tree binding additions for Qualcomm Eliza & Hawi
SoCs
Intel VT-d:
- Support for dirty tracking on domains attached to PASID
- Removal of unnecessary read*()/write*() wrappers
- Improvements to the invalidation paths
AMD Vi:
- Race-condition fixed in debugfs code
- Make log buffer allocation NUMA aware
RISC-V:
- IO-TLB flushing improvements
- Minor fixes"
* tag 'iommu-updates-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux: (48 commits)
iommu/vt-d: Restore IOMMU_CAP_CACHE_COHERENCY
dt-bindings: arm-smmu: qcom: Add compatible for Hawi SoC
iommu/amd: Invalidate IRT cache for DMA aliases
iommu/riscv: Remove overflows on the invalidation path
iommu/amd: Fix clone_alias() to use the original device's devid
iommu/vt-d: Remove the remaining pages along the invalidation path
iommu/vt-d: Pass size_order to qi_desc_piotlb() not npages
iommu/vt-d: Split piotlb invalidation into range and all
iommu/vt-d: Remove dmar_writel() and dmar_writeq()
iommu/vt-d: Remove dmar_readl() and dmar_readq()
iommufd/selftest: Test dirty tracking on PASID
iommu/vt-d: Support dirty tracking on PASID
iommu/vt-d: Rename device_set_dirty_tracking() and pass dmar_domain pointer
iommu/vt-d: Block PASID attachment to nested domain with dirty tracking
iommu/dma: Always allow DMA-FQ when iommupt provides the iommu_domain
iommu/riscv: Fix signedness bug
iommu/amd: Fix illegal cap/mmio access in IOMMU debugfs
iommu/amd: Fix illegal device-id access in IOMMU debugfs
iommu/tegra241-cmdqv: Update uAPI to clarify HYP_OWN requirement
iommu/tegra241-cmdqv: Set supports_cmd op in tegra241_vcmdq_hw_init()
...
|
||
|
Linus Torvalds
|
40286d6379 |
pci-v7.1-changes
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Merge tag 'pci-v7.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Allow TLP Processing Hints to be enabled for RCiEPs (George Abraham
P)
- Enable AtomicOps only if we know the Root Port supports them (Gerd
Bayer)
- Don't enable AtomicOps for RCiEPs since none of them need Atomic
Ops and we can't tell whether the Root Complex would support them
(Gerd Bayer)
- Leave Precision Time Measurement disabled until a driver enables it
to avoid PCIe errors (Mika Westerberg)
- Make pci_set_vga_state() fail if bridge doesn't support VGA
routing, i.e., PCI_BRIDGE_CTL_VGA is not writable, and return
errors to vga_get() callers including userspace via
/dev/vga_arbiter (Simon Richter)
- Validate max-link-speed from DT in j721e, brcmstb, mediatek-gen3,
rzg3s drivers (where the actual controller constraints are known),
and remove validation from the generic OF DT accessor (Hans Zhang)
- Remove pc110pad driver (no longer useful after 486 CPU support
removed) and no_pci_devices() (pc110pad was the last user) (Dmitry
Torokhov, Heiner Kallweit)
Resource management:
- Prevent assigning space to unimplemented bridge windows; previously
we mistakenly assumed prefetchable window existed and assigned
space and put a BAR there (Ahmed Naseef)
- Avoid shrinking bridge windows to fit in the initial Root Port
window; fixes one problem with devices with large BARs connected
via switches, e.g., Thunderbolt (Ilpo Järvinen)
- Pass full extent of empty space, not just the aligned space, to
resource_alignf callback so free space before the requested
alignment can be used (Ilpo Järvinen)
- Place small resources before larger ones for better utilization of
address space (Ilpo Järvinen)
- Fix alignment calculation for resource size larger than align,
e.g., bridge windows larger than the 1MB required alignment (Ilpo
Järvinen)
Reset:
- Update slot handling so all ARI functions are treated as being in
the same slot. They're all reset by Secondary Bus Reset, but
previously drivers of ARI functions that appeared to be on a
non-zero device weren't notified and fatal hardware errors could
result (Keith Busch)
- Make sysfs reset_subordinate hotplug safe to avoid spurious hotplug
events (Keith Busch)
- Hide Secondary Bus Reset ('bus') from sysfs reset_methods if masked
by CXL because it has no effect (Vidya Sagar)
- Avoid FLR for AMD NPU device, where it causes the device to hang
(Lizhi Hou)
Error handling:
- Clear only error bits in PCIe Device Status to avoid accidentally
clearing Emergency Power Reduction Detected (Shuai Xue)
- Check for AER errors even in devices without drivers (Lukas Wunner)
- Initialize ratelimit info so DPC and EDR paths log AER error
information (Kuppuswamy Sathyanarayanan)
Power control:
- Add UPD720201/UPD720202 USB 3.0 xHCI Host Controller .compatible so
generic pwrctrl driver can control it (Neil Armstrong)
Hotplug:
- Set LED_HW_PLUGGABLE for NPEM hotplug-capable ports so LED core
doesn't complain when setting brightness fails because the endpoint
is gone (Richard Cheng)
Peer-to-peer DMA:
- Allow wildcards in list of host bridges that support peer-to-peer
DMA between hierarchy domains and add all Google SoCs (Jacob
Moroni)
Endpoint framework:
- Advertise dynamic inbound mapping support in pci-epf-test and
update host pci_endpoint_test to skip doorbell testing if not
advertised by endpoint (Koichiro Den)
- Return 0, not remaining timeout, when MHI eDMA ops complete so
mhi_ep_ring_add_element() doesn't interpret non-zero as failure
(Daniel Hodges)
- Remove vntb and ntb duplicate resource teardown that leads to oops
when .allow_link() fails or .drop_link() is called (Koichiro Den)
- Disable vntb delayed work before clearing BAR mappings and
doorbells to avoid oops caused by doing the work after resources
have been torn down (Koichiro Den)
- Add a way to describe reserved subregions within BARs, e.g.,
platform-owned fixed register windows, and use it for the RK3588
BAR4 DMA ctrl window (Koichiro Den)
- Add BAR_DISABLED for BARs that will never be available to an EPF
driver, and change some BAR_RESERVED annotations to BAR_DISABLED
(Niklas Cassel)
- Add NTB .get_dma_dev() callback for cases where DMA API requires a
different device, e.g., vNTB devices (Koichiro Den)
- Add reserved region types for MSI-X Table and PBA so Endpoint
controllers can them as describe hardware-owned regions in a
BAR_RESERVED BAR (Manikanta Maddireddy)
- Make Tegra194/234 BAR0 programmable and remove 1MB size limit
(Manikanta Maddireddy)
- Expose Tegra BAR2 (MSI-X) and BAR4 (DMA) as 64-bit BAR_RESERVED
(Manikanta Maddireddy)
- Add Tegra194 and Tegra234 device table entries to pci_endpoint_test
(Manikanta Maddireddy)
- Skip the BAR subrange selftest if there are not enough inbound
window resources to run the test (Christian Bruel)
New native PCIe controller drivers:
- Add DT binding and driver for Andes QiLai SoC PCIe host controller
(Randolph Lin)
- Add DT binding and driver for ESWIN PCIe Root Complex (Senchuan
Zhang)
Baikal T-1 PCIe controller driver:
- Remove driver since it never quite became usable (Andy Shevchenko)
Cadence PCIe controller driver:
- Implement byte/word config reads with dword (32-bit) reads because
some Cadence controllers don't support sub-dword accesses (Aksh
Garg)
CIX Sky1 PCIe controller driver:
- Add 'power-domains' to DT binding for SCMI power domain (Gary Yang)
Freescale i.MX6 PCIe controller driver:
- Add i.MX94 and i.MX943 to fsl,imx6q-pcie-ep DT binding (Richard
Zhu)
- Delay instead of polling for L2/L3 Ready after PME_Turn_off when
suspending i.MX6SX because LTSSM registers are inaccessible
(Richard Zhu)
- Separate PERST# assertion (for resetting endpoints) from core reset
(for resetting the RC itself) to prepare for new DTs with PERST#
GPIO in per-Root Port nodes (Sherry Sun)
- Retain Root Port MSI capability on i.MX7D, i.MX8MM, and i.MX8MQ so
MSI from downstream devices will work (Richard Zhu)
- Fix i.MX95 reference clock source selection when internal refclk is
used (Franz Schnyder)
Freescale Layerscape PCIe controller driver:
- Allow building as a removable module (Sascha Hauer)
MediaTek PCIe Gen3 controller driver:
- Use dev_err_probe() to simplify error paths and make deferred probe
messages visible in /sys/kernel/debug/devices_deferred (Chen-Yu
Tsai)
- Power off device if setup fails (Chen-Yu Tsai)
- Integrate new pwrctrl API to enable power control for WiFi/BT
adapters on mainboard or in PCIe or M.2 slots (Chen-Yu Tsai)
NVIDIA Tegra194 PCIe controller driver:
- Poll less aggressively and non-atomically for PME_TO_Ack during
transition to L2 (Vidya Sagar)
- Disable LTSSM after transition to Detect on surprise link down to
stop toggling between Polling and Detect (Manikanta Maddireddy)
- Don't force the device into the D0 state before L2 when suspending
or shutting down the controller (Vidya Sagar)
- Disable PERST# IRQ only in Endpoint mode because it's not
registered in Root Port mode (Manikanta Maddireddy)
- Handle 'nvidia,refclk-select' as optional (Vidya Sagar)
- Disable direct speed change in Endpoint mode so link speed change
is controlled by the host (Vidya Sagar)
- Set LTR values before link up to avoid bogus LTR messages with 0
latency (Vidya Sagar)
- Allow system suspend when the Endpoint link is down (Vidya Sagar)
- Use DWC IP core version, not Tegra custom values, to avoid DWC core
version check warnings (Manikanta Maddireddy)
- Apply ECRC workaround to devices based on DesignWare 5.00a as well
as 4.90a (Manikanta Maddireddy)
- Disable PM Substate L1.2 in Endpoint mode to work around Tegra234
erratum (Vidya Sagar)
- Delay post-PERST# cleanup until core is powered on to avoid CBB
timeout (Manikanta Maddireddy)
- Assert CLKREQ# so switches that forward it to their downstream side
can bring up those links successfully (Vidya Sagar)
- Calibrate pipe to UPHY for Endpoint mode to reset stale PLL state
from any previous bad link state (Vidya Sagar)
- Remove IRQF_ONESHOT flag from Endpoint interrupt registration so
DMA driver and Endpoint controller driver can share the interrupt
line (Vidya Sagar)
- Enable DMA interrupt to support DMA in both Root Port and Endpoint
modes (Vidya Sagar)
- Enable hardware link retraining after link goes down in Endpoint
mode (Vidya Sagar)
- Add DT binding and driver support for core clock monitoring (Vidya
Sagar)
Qualcomm PCIe controller driver:
- Advertise 'Hot-Plug Capable' and set 'No Command Completed Support'
since Qcom Root Ports support hotplug events like DL_Up/Down and
can accept writes to Slot Control without delays between writes
(Krishna Chaitanya Chundru)
Renesas R-Car PCIe controller driver:
- Mark Endpoint BAR0 and BAR2 as Resizable (Koichiro Den)
- Reduce EPC BAR alignment requirement to 4K (Koichiro Den)
Renesas RZ/G3S PCIe controller driver:
- Add RZ/G3E to DT binding and to driver (John Madieu)
- Assert (not deassert) resets in probe error path (John Madieu)
- Assert resets in suspend path in reverse order they were deasserted
during probe (John Madieu)
- Rework inbound window algorithm to prevent mapping more than
intended region and enforce alignment on size, to prepare for
RZ/G3E support (John Madieu)
Rockchip DesignWare PCIe controller driver:
- Add tracepoints for PCIe controller LTSSM transitions and link rate
changes (Shawn Lin)
- Trace LTSSM events collected by the dw-rockchip debug FIFO (Shawn
Lin)
SOPHGO PCIe controller driver:
- Disable ASPM L0s and L1 on Sophgo 2042 PCIe Root Ports that
advertise support for them (Yao Zi)
Synopsys DesignWare PCIe controller driver:
- Continue with system suspend even if an Endpoint doesn't respond
with PME_TO_Ack message (Manivannan Sadhasivam)
- Set Endpoint MSI-X Table Size in the correct function of a
multi-function device when configuring MSI-X, not in Function 0
(Aksh Garg)
- Set Max Link Width and Max Link Speed for all functions of a
multi-function device, not just Function 0 (Aksh Garg)
- Expose PCIe event counters in groups 5-7 in debugfs (Hans Zhang)
Miscellaneous:
- Warn only once about invalid ACS kernel parameter format (Richard
Cheng)
- Suppress FW_BUG warning when writing sysfs 'numa_node' with the
current value (Li RongQing)
- Drop redundant 'depends on PCI' from Kconfig (Julian Braha)"
* tag 'pci-v7.1-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (165 commits)
PCI/P2PDMA: Add Google SoCs to the P2P DMA host bridge list
PCI/P2PDMA: Allow wildcard Device IDs in host bridge list
PCI: sg2042: Avoid L0s and L1 on Sophgo 2042 PCIe Root Ports
PCI: cadence: Add flags for disabling ASPM capability for broken Root Ports
PCI: tegra194: Add core monitor clock support
dt-bindings: PCI: tegra194: Add monitor clock support
PCI: tegra194: Enable hardware hot reset mode in Endpoint mode
PCI: tegra194: Enable DMA interrupt
PCI: tegra194: Remove IRQF_ONESHOT flag during Endpoint interrupt registration
PCI: tegra194: Calibrate pipe to UPHY for Endpoint mode
PCI: tegra194: Assert CLKREQ# explicitly by default
PCI: tegra194: Fix CBB timeout caused by DBI access before core power-on
PCI: tegra194: Disable L1.2 capability of Tegra234 EP
PCI: dwc: Apply ECRC workaround to DesignWare 5.00a as well
PCI: tegra194: Use DWC IP core version
PCI: tegra194: Free up Endpoint resources during remove()
PCI: tegra194: Allow system suspend when the Endpoint link is not up
PCI: tegra194: Set LTR message request before PCIe link up in Endpoint mode
PCI: tegra194: Disable direct speed change for Endpoint mode
PCI: tegra194: Use devm_gpiod_get_optional() to parse "nvidia,refclk-select"
...
|
||
|
Linus Torvalds
|
f82b61de0f |
— Correct the version guard for the futex_numa_mpol test to require
libnuma 2.0.18 instead of 2.0.16, which is the version that actually introduced numa_set_mempolicy_home_node() used by the test — Allow the futex_numa_mpol selftest to build and run on systems without libnuma installed with affected test gracefully being skipped instead of failing to compile - Use the proper assertion macros so that individual sub-test failures are correctly propagated and the test suite reports failure when something goes wrong -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmnfpRgACgkQEsHwGGHe VUp4jRAAjcfKMRy2ms6PYQJUwPgFXkmGg1Ij0zQ7D6VxujMUmrmNcCt9pQiR9tmm ZuCWtZRvJ4L+GIl0iNnetl13Um3MtXlQQ+SZgnNhC8InATs0hCJia1sPXztmp1VC 36JDiHbzpNO/InxhBu3WJ+DZodN7RHuNCbnj11Leot2cmAz9njtANcudxDTG3r/o Bqs65KRFbx7WU3zPMujEPOzdyYn8KL3L2bxYKWIAd9n4hfoLcbMB4QaShyh1sGoW ymRMf8yV9vac1tjwOCugkkdDleV5S5LW/eItuNEppV/rBw35GGFTs2yUjaU5U2NN UaQVKDE6UEgJsrX0wBPLPdf10CJia4SA2oYN7PFkNogVGqM/cSzl2B/CqJbcKnur Gj2KUNK2VVrlln1pfhnu8NJYOIgkjGpSarH9XNGM+2CIsXergh23cKhhZVLVE4Wy YirLkW3BNIGmnvF9idvjcktVHibHkvHjRzn2bUhP1K4SMf6kRxsRbTE8Cg12Nlpe cGOt3/6VNyonbXFw3nXdlHNDKjmT/aUrNXRhxEIPTToD+DBfhp7Lce9ylba5/fPv jrqAC0kMkSdBVNmabMQ+n/WzteXLLeFbocPWmba7fDSGvmMSlj5AU9qOURhyquaK nPjxqE5lhbcFY0nZ9zRTP7PG9NwOhVCsCZppTyGirvw+Q/eRxHU= =LIxt -----END PGP SIGNATURE----- Merge tag 'locking_futex_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull futex selftest updates from Borislav Petkov: - Correct the version guard for the futex_numa_mpol test to require libnuma 2.0.18 instead of 2.0.16, which is the version that actually introduced numa_set_mempolicy_home_node() used by the test - Allow the futex_numa_mpol selftest to build and run on systems without libnuma installed with affected test gracefully being skipped instead of failing to compile - Use the proper assertion macros so that individual sub-test failures are correctly propagated and the test suite reports failure when something goes wrong * tag 'locking_futex_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: selftests/futex: Bump up libnuma version check selftests/futex: Conditionally include libnuma support selftests/futex: Fix incorrect result reporting of futex_requeue test item |
||
|
Linus Torvalds
|
334fbe734e |
mm.git review status for linus..mm-stable
Everything: Total patches: 368 Reviews/patch: 1.56 Reviewed rate: 74% Excluding DAMON: Total patches: 316 Reviews/patch: 1.77 Reviewed rate: 81% Excluding DAMON and zram: Total patches: 306 Reviews/patch: 1.81 Reviewed rate: 82% Excluding DAMON, zram and maple_tree: Total patches: 276 Reviews/patch: 2.01 Reviewed rate: 91% Significant patch series in this merge: - The 30 patch series "maple_tree: Replace big node with maple copy" from Liam Howlett is mainly prepararatory work for ongoing development but it does reduce stack usage and is an improvement. - The 12 patch series "mm, swap: swap table phase III: remove swap_map" from Kairui Song offers memory savings by removing the static swap_map. It also yields some CPU savings and implements several cleanups. - The 2 patch series "mm: memfd_luo: preserve file seals" from Pratyush Yadav adds file seal preservation to LUO's memfd code. - The 2 patch series "mm: zswap: add per-memcg stat for incompressible pages" from Jiayuan Chen adds additional userspace stats reportng to zswap. - The 4 patch series "arch, mm: consolidate empty_zero_page" from Mike Rapoport implements some cleanups for our handling of ZERO_PAGE() and zero_pfn. - The 2 patch series "mm/kmemleak: Improve scan_should_stop() implementation" from Zhongqiu Han provides an robustness improvement and some cleanups in the kmemleak code. - The 4 patch series "Improve khugepaged scan logic" from Vernon Yang "improves the khugepaged scan logic and reduces CPU consumption by prioritizing scanning tasks that access memory frequently". - The 2 patch series "Make KHO Stateless" from Jason Miu simplifies Kexec Handover by "transitioning KHO from an xarray-based metadata tracking system with serialization to a radix tree data structure that can be passed directly to the next kernel" - The 3 patch series "mm: vmscan: add PID and cgroup ID to vmscan tracepoints" from Thomas Ballasi and Steven Rostedt enhances vmscan's tracepointing. - The 5 patch series "mm: arch/shstk: Common shadow stack mapping helper and VM_NOHUGEPAGE" from Catalin Marinas is a cleanup for the shadow stack code: remove per-arch code in favour of a generic implementation. - The 2 patch series "Fix KASAN support for KHO restored vmalloc regions" from Pasha Tatashin fixes a WARN() which can be emitted the KHO restores a vmalloc area. - The 4 patch series "mm: Remove stray references to pagevec" from Tal Zussman provides several cleanups, mainly udpating references to "struct pagevec", which became folio_batch three years ago. - The 17 patch series "mm: Eliminate fake head pages from vmemmap optimization" from Kiryl Shutsemau simplifies the HugeTLB vmemmap optimization (HVO) by changing how tail pages encode their relationship to the head page. - The 2 patch series "mm/damon/core: improve DAMOS quota efficiency for core layer filters" from SeongJae Park improves two problematic behaviors of DAMOS that makes it less efficient when core layer filters are used. - The 3 patch series "mm/damon: strictly respect min_nr_regions" from SeongJae Park improves DAMON usability by extending the treatment of the min_nr_regions user-settable parameter. - The 3 patch series "mm/page_alloc: pcp locking cleanup" from Vlastimil Babka is a proper fix for a previously hotfixed SMP=n issue. Code simplifications and cleanups ennsed. - The 16 patch series "mm: cleanups around unmapping / zapping" from David Hildenbrand implements "a bunch of cleanups around unmapping and zapping. Mostly simplifications, code movements, documentation and renaming of zapping functions". - The 6 patch series "support batched checking of the young flag for MGLRU" from Baolin Wang supports batched checking of the young flag for MGLRU. It's part cleanups; one benchmark shows large performance benefits for arm64. - The 5 patch series "memcg: obj stock and slab stat caching cleanups" from Johannes Weiner provides memcg cleanup and robustness improvements. - The 5 patch series "Allow order zero pages in page reporting" from Yuvraj Sakshith enhances page_reporting's free page reporting - it is presently and undesirably order-0 pages when reporting free memory. - The 6 patch series "mm: vma flag tweaks" from Lorenzo Stoakes is cleanup work following from the recent conversion of the VMA flags to a bitmap. - The 10 patch series "mm/damon: add optional debugging-purpose sanity checks" from SeongJae Park adds some more developer-facing debug checks into DAMON core. - The 2 patch series "mm/damon: test and document power-of-2 min_region_sz requirement" from SeongJae Park adds an additional DAMON kunit test and makes some adjustments to the addr_unit parameter handling. - The 3 patch series "mm/damon/core: make passed_sample_intervals comparisons overflow-safe" from SeongJae Park fixes a hard-to-hit time overflow issue in DAMON core. - The 7 patch series "mm/damon: improve/fixup/update ratio calculation, test and documentation" from SeongJae Park is a "batch of misc/minor improvements and fixups" for DAMON. - The 4 patch series "mm: move vma_(kernel|mmu)_pagesize() out of hugetlb.c" from David Hildenbrand fixes a possible issue with dax-device when CONFIG_HUGETLB=n. Some code movement was required. - The 6 patch series "zram: recompression cleanups and tweaks" from Sergey Senozhatsky provides "a somewhat random mix of fixups, recompression cleanups and improvements" in the zram code. - The 11 patch series "mm/damon: support multiple goal-based quota tuning algorithms" from SeongJae Park extend DAMOS quotas goal auto-tuning to support multiple tuning algorithms that users can select. - The 4 patch series "mm: thp: reduce unnecessary start_stop_khugepaged()" from Breno Leitao fixes the khugpaged sysfs handling so we no longer spam the logs with reams of junk when starting/stopping khugepaged. - The 3 patch series "mm: improve map count checks" from Lorenzo Stoakes provides some cleanups and slight fixes in the mremap, mmap and vma code. - The 5 patch series "mm/damon: support addr_unit on default monitoring targets for modules" from SeongJae Park extends the use of DAMON core's addr_unit tunable. - The 5 patch series "mm: khugepaged cleanups and mTHP prerequisites" from Nico Pache provides cleanups in the khugepaged and is a base for Nico's planned khugepaged mTHP support. - The 15 patch series "mm: memory hot(un)plug and SPARSEMEM cleanups" from David Hildenbrand implements code movement and cleanups in the memhotplug and sparsemem code. - The 2 patch series "mm: remove CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE and cleanup CONFIG_MIGRATION" from David Hildenbrand rationalizes some memhotplug Kconfig support. - The 6 patch series "change young flag check functions to return bool" from Baolin Wang is "a cleanup patchset to change all young flag check functions to return bool". - The 3 patch series "mm/damon/sysfs: fix memory leak and NULL dereference issues" from Josh Law and SeongJae Park fixes a few potential DAMON bugs. - The 25 patch series "mm/vma: convert vm_flags_t to vma_flags_t in vma code" from "converts a lot of the existing use of the legacy vm_flags_t data type to the new vma_flags_t type which replaces it". Mainly in the vma code. - The 21 patch series "mm: expand mmap_prepare functionality and usage" from Lorenzo Stoakes "expands the mmap_prepare functionality, which is intended to replace the deprecated f_op->mmap hook which has been the source of bugs and security issues for some time". Cleanups, documentation, extension of mmap_prepare into filesystem drivers. - The 13 patch series "mm/huge_memory: refactor zap_huge_pmd()" from Lorenzo Stoakes simplifies and cleans up zap_huge_pmd(). Additional cleanups around vm_normal_folio_pmd() and the softleaf functionality are performed. -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQTTMBEPP41GrTpTJgfdBJ7gKXxAjgUCad3HDQAKCRDdBJ7gKXxA jrUQAPwNhPk5nPSxnyxjAeQtOBHqgCdnICeEismLajPKd9aYRgEA0s2XAu3tSUYi GrBnWImHG3s4ePQxVcPCegWTsOUrXgQ= =1Q7o -----END PGP SIGNATURE----- Merge tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull MM updates from Andrew Morton: - "maple_tree: Replace big node with maple copy" (Liam Howlett) Mainly prepararatory work for ongoing development but it does reduce stack usage and is an improvement. - "mm, swap: swap table phase III: remove swap_map" (Kairui Song) Offers memory savings by removing the static swap_map. It also yields some CPU savings and implements several cleanups. - "mm: memfd_luo: preserve file seals" (Pratyush Yadav) File seal preservation to LUO's memfd code - "mm: zswap: add per-memcg stat for incompressible pages" (Jiayuan Chen) Additional userspace stats reportng to zswap - "arch, mm: consolidate empty_zero_page" (Mike Rapoport) Some cleanups for our handling of ZERO_PAGE() and zero_pfn - "mm/kmemleak: Improve scan_should_stop() implementation" (Zhongqiu Han) A robustness improvement and some cleanups in the kmemleak code - "Improve khugepaged scan logic" (Vernon Yang) Improve khugepaged scan logic and reduce CPU consumption by prioritizing scanning tasks that access memory frequently - "Make KHO Stateless" (Jason Miu) Simplify Kexec Handover by transitioning KHO from an xarray-based metadata tracking system with serialization to a radix tree data structure that can be passed directly to the next kernel - "mm: vmscan: add PID and cgroup ID to vmscan tracepoints" (Thomas Ballasi and Steven Rostedt) Enhance vmscan's tracepointing - "mm: arch/shstk: Common shadow stack mapping helper and VM_NOHUGEPAGE" (Catalin Marinas) Cleanup for the shadow stack code: remove per-arch code in favour of a generic implementation - "Fix KASAN support for KHO restored vmalloc regions" (Pasha Tatashin) Fix a WARN() which can be emitted the KHO restores a vmalloc area - "mm: Remove stray references to pagevec" (Tal Zussman) Several cleanups, mainly udpating references to "struct pagevec", which became folio_batch three years ago - "mm: Eliminate fake head pages from vmemmap optimization" (Kiryl Shutsemau) Simplify the HugeTLB vmemmap optimization (HVO) by changing how tail pages encode their relationship to the head page - "mm/damon/core: improve DAMOS quota efficiency for core layer filters" (SeongJae Park) Improve two problematic behaviors of DAMOS that makes it less efficient when core layer filters are used - "mm/damon: strictly respect min_nr_regions" (SeongJae Park) Improve DAMON usability by extending the treatment of the min_nr_regions user-settable parameter - "mm/page_alloc: pcp locking cleanup" (Vlastimil Babka) The proper fix for a previously hotfixed SMP=n issue. Code simplifications and cleanups ensued - "mm: cleanups around unmapping / zapping" (David Hildenbrand) A bunch of cleanups around unmapping and zapping. Mostly simplifications, code movements, documentation and renaming of zapping functions - "support batched checking of the young flag for MGLRU" (Baolin Wang) Batched checking of the young flag for MGLRU. It's part cleanups; one benchmark shows large performance benefits for arm64 - "memcg: obj stock and slab stat caching cleanups" (Johannes Weiner) memcg cleanup and robustness improvements - "Allow order zero pages in page reporting" (Yuvraj Sakshith) Enhance free page reporting - it is presently and undesirably order-0 pages when reporting free memory. - "mm: vma flag tweaks" (Lorenzo Stoakes) Cleanup work following from the recent conversion of the VMA flags to a bitmap - "mm/damon: add optional debugging-purpose sanity checks" (SeongJae Park) Add some more developer-facing debug checks into DAMON core - "mm/damon: test and document power-of-2 min_region_sz requirement" (SeongJae Park) An additional DAMON kunit test and makes some adjustments to the addr_unit parameter handling - "mm/damon/core: make passed_sample_intervals comparisons overflow-safe" (SeongJae Park) Fix a hard-to-hit time overflow issue in DAMON core - "mm/damon: improve/fixup/update ratio calculation, test and documentation" (SeongJae Park) A batch of misc/minor improvements and fixups for DAMON - "mm: move vma_(kernel|mmu)_pagesize() out of hugetlb.c" (David Hildenbrand) Fix a possible issue with dax-device when CONFIG_HUGETLB=n. Some code movement was required. - "zram: recompression cleanups and tweaks" (Sergey Senozhatsky) A somewhat random mix of fixups, recompression cleanups and improvements in the zram code - "mm/damon: support multiple goal-based quota tuning algorithms" (SeongJae Park) Extend DAMOS quotas goal auto-tuning to support multiple tuning algorithms that users can select - "mm: thp: reduce unnecessary start_stop_khugepaged()" (Breno Leitao) Fix the khugpaged sysfs handling so we no longer spam the logs with reams of junk when starting/stopping khugepaged - "mm: improve map count checks" (Lorenzo Stoakes) Provide some cleanups and slight fixes in the mremap, mmap and vma code - "mm/damon: support addr_unit on default monitoring targets for modules" (SeongJae Park) Extend the use of DAMON core's addr_unit tunable - "mm: khugepaged cleanups and mTHP prerequisites" (Nico Pache) Cleanups to khugepaged and is a base for Nico's planned khugepaged mTHP support - "mm: memory hot(un)plug and SPARSEMEM cleanups" (David Hildenbrand) Code movement and cleanups in the memhotplug and sparsemem code - "mm: remove CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE and cleanup CONFIG_MIGRATION" (David Hildenbrand) Rationalize some memhotplug Kconfig support - "change young flag check functions to return bool" (Baolin Wang) Cleanups to change all young flag check functions to return bool - "mm/damon/sysfs: fix memory leak and NULL dereference issues" (Josh Law and SeongJae Park) Fix a few potential DAMON bugs - "mm/vma: convert vm_flags_t to vma_flags_t in vma code" (Lorenzo Stoakes) Convert a lot of the existing use of the legacy vm_flags_t data type to the new vma_flags_t type which replaces it. Mainly in the vma code. - "mm: expand mmap_prepare functionality and usage" (Lorenzo Stoakes) Expand the mmap_prepare functionality, which is intended to replace the deprecated f_op->mmap hook which has been the source of bugs and security issues for some time. Cleanups, documentation, extension of mmap_prepare into filesystem drivers - "mm/huge_memory: refactor zap_huge_pmd()" (Lorenzo Stoakes) Simplify and clean up zap_huge_pmd(). Additional cleanups around vm_normal_folio_pmd() and the softleaf functionality are performed. * tag 'mm-stable-2026-04-13-21-45' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (369 commits) mm: fix deferred split queue races during migration mm/khugepaged: fix issue with tracking lock mm/huge_memory: add and use has_deposited_pgtable() mm/huge_memory: add and use normal_or_softleaf_folio_pmd() mm: add softleaf_is_valid_pmd_entry(), pmd_to_softleaf_folio() mm/huge_memory: separate out the folio part of zap_huge_pmd() mm/huge_memory: use mm instead of tlb->mm mm/huge_memory: remove unnecessary sanity checks mm/huge_memory: deduplicate zap deposited table call mm/huge_memory: remove unnecessary VM_BUG_ON_PAGE() mm/huge_memory: add a common exit path to zap_huge_pmd() mm/huge_memory: handle buggy PMD entry in zap_huge_pmd() mm/huge_memory: have zap_huge_pmd return a boolean, add kdoc mm/huge: avoid big else branch in zap_huge_pmd() mm/huge_memory: simplify vma_is_specal_huge() mm: on remap assert that input range within the proposed VMA mm: add mmap_action_map_kernel_pages[_full]() uio: replace deprecated mmap hook with mmap_prepare in uio_info drivers: hv: vmbus: replace deprecated mmap hook with mmap_prepare mm: allow handling of stacked mmap_prepare hooks in more drivers ... |
||
|
Linus Torvalds
|
5bdb4078e1 |
sched_ext: Changes for v7.1
- Cgroup sub-scheduler groundwork. Multiple BPF schedulers can be attached to cgroups and the dispatch path is made hierarchical. This involves substantial restructuring of the core dispatch, bypass, watchdog, and dump paths to be per-scheduler, along with new infrastructure for scheduler ownership enforcement, lifecycle management, and cgroup subtree iteration. The enqueue path is not yet updated and will follow in a later cycle. - scx_bpf_dsq_reenq() generalized to support any DSQ including remote local DSQs and user DSQs. Built on top of this, SCX_ENQ_IMMED guarantees that tasks dispatched to local DSQs either run immediately or get reenqueued back through ops.enqueue(), giving schedulers tighter control over queueing latency. Also useful for opportunistic CPU sharing across sub-schedulers. - ops.dequeue() was only invoked when the core knew a task was in BPF data structures, missing scheduling property change events and skipping callbacks for non-local DSQ dispatches from ops.select_cpu(). Fixed to guarantee exactly one ops.dequeue() call when a task leaves BPF scheduler custody. - Kfunc access validation moved from runtime to BPF verifier time, removing runtime mask enforcement. - Idle SMT sibling prioritization in the idle CPU selection path. - Documentation, selftest, and tooling updates. Misc bug fixes and cleanups. - Merges from tip/sched-core, cgroup/for-7.1, and for-7.0-fixes to resolve dependencies and conflicts for the above changes. -----BEGIN PGP SIGNATURE----- iIQEABYKACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCad0uaA4cdGpAa2VybmVs Lm9yZwAKCRCxYfJx3gVYGbktAQD2HrKdydyEfefz/n4mNpIXh/DFYX49NgKYcgUh sKy4ngD/Sy7nAZS2zwM+36PN6jBV7+cfuoaiKPgCstPFeGsvPwU= =fsgj -----END PGP SIGNATURE----- Merge tag 'sched_ext-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext Pull sched_ext updates from Tejun Heo: - cgroup sub-scheduler groundwork Multiple BPF schedulers can be attached to cgroups and the dispatch path is made hierarchical. This involves substantial restructuring of the core dispatch, bypass, watchdog, and dump paths to be per-scheduler, along with new infrastructure for scheduler ownership enforcement, lifecycle management, and cgroup subtree iteration The enqueue path is not yet updated and will follow in a later cycle - scx_bpf_dsq_reenq() generalized to support any DSQ including remote local DSQs and user DSQs Built on top of this, SCX_ENQ_IMMED guarantees that tasks dispatched to local DSQs either run immediately or get reenqueued back through ops.enqueue(), giving schedulers tighter control over queueing latency Also useful for opportunistic CPU sharing across sub-schedulers - ops.dequeue() was only invoked when the core knew a task was in BPF data structures, missing scheduling property change events and skipping callbacks for non-local DSQ dispatches from ops.select_cpu() Fixed to guarantee exactly one ops.dequeue() call when a task leaves BPF scheduler custody - Kfunc access validation moved from runtime to BPF verifier time, removing runtime mask enforcement - Idle SMT sibling prioritization in the idle CPU selection path - Documentation, selftest, and tooling updates. Misc bug fixes and cleanups * tag 'sched_ext-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext: (134 commits) tools/sched_ext: Add explicit cast from void* in RESIZE_ARRAY() sched_ext: Make string params of __ENUM_set() const tools/sched_ext: Kick home CPU for stranded tasks in scx_qmap sched_ext: Drop spurious warning on kick during scheduler disable sched_ext: Warn on task-based SCX op recursion sched_ext: Rename scx_kf_allowed_on_arg_tasks() to scx_kf_arg_task_ok() sched_ext: Remove runtime kfunc mask enforcement sched_ext: Add verifier-time kfunc context filter sched_ext: Drop redundant rq-locked check from scx_bpf_task_cgroup() sched_ext: Decouple kfunc unlocked-context check from kf_mask sched_ext: Fix ops.cgroup_move() invocation kf_mask and rq tracking sched_ext: Track @p's rq lock across set_cpus_allowed_scx -> ops.set_cpumask sched_ext: Add select_cpu kfuncs to scx_kfunc_ids_unlocked sched_ext: Drop TRACING access to select_cpu kfuncs selftests/sched_ext: Fix wrong DSQ ID in peek_dsq error message sched_ext: Documentation: improve accuracy of task lifecycle pseudo-code selftests/sched_ext: Improve runner error reporting for invalid arguments sched_ext: Documentation: Fix scx_bpf_move_to_local kfunc name sched_ext: Documentation: Add ops.dequeue() to task lifecycle tools/sched_ext: Fix off-by-one in scx_sdt payload zeroing ... |
||
|
Linus Torvalds
|
7de6b4a246 |
workqueue: Changes for v7.1
- New default WQ_AFFN_CACHE_SHARD affinity scope subdivides LLCs into
smaller shards to improve scalability on machines with many CPUs per
LLC.
- Misc: system_dfl_long_wq for long unbound works, devm_alloc_workqueue()
for device-managed allocation, sysfs exposure for ordered workqueues and
the EFI workqueue, removal of HK_TYPE_WQ from wq_unbound_cpumask, and
various small fixes.
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Merge tag 'wq-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
- New default WQ_AFFN_CACHE_SHARD affinity scope subdivides LLCs into
smaller shards to improve scalability on machines with many CPUs per
LLC
- Misc:
- system_dfl_long_wq for long unbound works
- devm_alloc_workqueue() for device-managed allocation
- sysfs exposure for ordered workqueues and the EFI workqueue
- removal of HK_TYPE_WQ from wq_unbound_cpumask
- various small fixes
* tag 'wq-for-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (21 commits)
workqueue: validate cpumask_first() result in llc_populate_cpu_shard_id()
workqueue: use NR_STD_WORKER_POOLS instead of hardcoded value
workqueue: avoid unguarded 64-bit division
docs: workqueue: document WQ_AFFN_CACHE_SHARD affinity scope
workqueue: add test_workqueue benchmark module
tools/workqueue: add CACHE_SHARD support to wq_dump.py
workqueue: set WQ_AFFN_CACHE_SHARD as the default affinity scope
workqueue: add WQ_AFFN_CACHE_SHARD affinity scope
workqueue: fix typo in WQ_AFFN_SMT comment
workqueue: Remove HK_TYPE_WQ from affecting wq_unbound_cpumask
workqueue: unlink pwqs from wq->pwqs list in alloc_and_link_pwqs() error path
workqueue: Remove NULL wq WARN in __queue_delayed_work()
workqueue: fix parse_affn_scope() prefix matching bug
workqueue: devres: Add device-managed allocate workqueue
workqueue: Add system_dfl_long_wq for long unbound works
tools/workqueue/wq_dump.py: add NODE prefix to all node columns
tools/workqueue/wq_dump.py: fix column alignment in node_nr/max_active section
tools/workqueue/wq_dump.py: remove backslash separator from node_nr/max_active header
efi: Allow to expose the workqueue via sysfs
workqueue: Allow to expose ordered workqueues via sysfs
...
|
||
|
Linus Torvalds
|
a8e7ef3cec |
sound updates for 7.1-rc1
Nothing too thrilling here, but we see lots of driver updates and
bug fixes, including quirk additions and refactoring works, while
there have been little changes in the core functionality.
Here are some highlights:
* Core:
- Add validation for the control API put callback
- Fixes in compress-offload API timestamp handling
- Continued ASoC core API cleanups
* ASoC:
- Add support for bus keepers (for Apple devices in future)
- Enhancements to the SDCA support, including retaskable jacks
- Test improvements for Cirrus Logic drivers
- Lots of fixes for the NXP, nVidia and Qualcomm
- Support for AMD RPL DMIC, Cirrus Logic CS42L43 and CS47L47, nVidia
machines with CPCAP and WM8962
* USB-audio:
- Quirks for Huawei Headset, Focusrite Novation, MV-Silicon,
Studio 1824, Arturia AF16Rig, Hotone Audio, Feaulle Rainbow,
PreSonus AudioBox, Moondrop Ju Jiu, Scarlett 18i20, etc
- Extended mixer volume quirk handling
- UAF and other fixes for us144mkii, 6fire and caiaq drivers
* HD-audio:
- Add quirks or fixes for Acer, Lenovo, HP, ASUS machines
- Fixes & cleanups of GPIO helper code
* Misc:
- Add suspend/resume support for multiple legacy ISA and Apple
drivers
- Further regression fixes for ctxfi driver
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Merge tag 'sound-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"Nothing too thrilling here, but we see lots of driver updates and bug
fixes, including quirk additions and refactoring works, while there
have been little changes in the core functionality. Here are some
highlights:
Core:
- Add validation for the control API put callback
- Fixes in compress-offload API timestamp handling
- Continued ASoC core API cleanups
ASoC:
- Add support for bus keepers (for Apple devices in future)
- Enhancements to the SDCA support, including retaskable jacks
- Test improvements for Cirrus Logic drivers
- Lots of fixes for the NXP, nVidia and Qualcomm
- Support for AMD RPL DMIC, Cirrus Logic CS42L43 and CS47L47, nVidia
machines with CPCAP and WM8962
USB-audio:
- Quirks for Huawei Headset, Focusrite Novation, MV-Silicon, Studio
1824, Arturia AF16Rig, Hotone Audio, Feaulle Rainbow, PreSonus
AudioBox, Moondrop Ju Jiu, Scarlett 18i20, etc
- Extended mixer volume quirk handling
- UAF and other fixes for us144mkii, 6fire and caiaq drivers
HD-audio:
- Add quirks or fixes for Acer, Lenovo, HP, ASUS machines
- Fixes & cleanups of GPIO helper code
Misc:
- Add suspend/resume support for multiple legacy ISA and Apple
drivers
- Further regression fixes for ctxfi driver"
* tag 'sound-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (359 commits)
ALSA: control: Validate buf_len before strnlen() in snd_ctl_elem_init_enum_names()
ALSA: usb-audio: Fix missing error handling for get_min_max*()
ALSA: hda/realtek - fixed speaker no sound update
ALSA: hda/realtek: Add quirk for Acer PT316-51S headset mic
ALSA: usb-audio: Exclude Scarlett 18i20 1st Gen from SKIP_IFACE_SETUP
ALSA: hda/realtek: Add quirk for Legion S7 15IMH
ALSA: hda/realtek: Add quirk for HP Spectre x360 14-ea
ALSA: caiaq: take a reference on the USB device in create_card()
ASoC: dt-bindings: rockchip: convert rk3399-gru-sound to DT Schema
ALSA: sscape: Add suspend and resume support
ALSA: sscape: Cache per-card resources for board reinitialization
ALSA: usb-audio: Do not expose sticky mixers
ALSA: usb-audio: Move volume control resolution check into a function
ALSA: usb-audio: Add error checks against get_min_max*()
ALSA: usb-audio: Add quirk for PreSonus AudioBox USB
ALSA: interwave: guard PM-only restore helpers with CONFIG_PM
ALSA: usb-audio: Evaluate packsize caps at the right place
ALSA: sc6000: Restore board setup across suspend
ALSA: sc6000: Keep the programmed board state in card-private data
ALSA: 6fire: fix use-after-free on disconnect
...
|
||
|
Linus Torvalds
|
5c0f43e853 |
kernel-7.1-rc1.misc
Please consider pulling these changes from the signed kernel-7.1-rc1.misc tag.
Thanks!
Christian
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Merge tag 'kernel-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull pid_namespace updates from Christian Brauner:
- pid_namespace: make init creation more flexible
Annotate ->child_reaper accesses with {READ,WRITE}_ONCE() to protect
the unlocked readers from cpu/compiler reordering, and enforce that
pid 1 in a pid namespace is always the first allocated pid (the
set_tid path already required this).
On top of that, allow opening pid_for_children before the pid
namespace init has been created. This lets one process create the pid
namespace and a different process create the init via setns(), which
makes clone3(set_tid) usable in all cases evenly and is particularly
useful to CRIU when restoring nested containers.
A new selftest covers both the basic create-pidns-then-init flow and
the cross-process variant, and a MAINTAINERS entry for the pid
namespace code is added.
- unrelated signal cleanup: update outdated comment for the removed
freezable_schedule()
* tag 'kernel-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
signal: update outdated comment for removed freezable_schedule()
MAINTAINERS: add a pid namespace entry
selftests: Add tests for creating pidns init via setns
pid_namespace: allow opening pid_for_children before init was created
pid: check init is created first after idr alloc
pid_namespace: avoid optimization of accesses to ->child_reaper
|
||
|
Linus Torvalds
|
7c8a4671dc |
vfs-7.1-rc1.mount.v2
Please consider pulling these changes from the signed vfs-7.1-rc1.mount.v2 tag.
Thanks!
Christian
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Merge tag 'vfs-7.1-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
- Add FSMOUNT_NAMESPACE flag to fsmount() that creates a new mount
namespace with the newly created filesystem attached to a copy of the
real rootfs. This returns a namespace file descriptor instead of an
O_PATH mount fd, similar to how OPEN_TREE_NAMESPACE works for
open_tree().
This allows creating a new filesystem and immediately placing it in a
new mount namespace in a single operation, which is useful for
container runtimes and other namespace-based isolation mechanisms.
This accompanies OPEN_TREE_NAMESPACE and avoids a needless detour via
OPEN_TREE_NAMESPACE to get the same effect. Will be especially useful
when you mount an actual filesystem to be used as the container
rootfs.
- Currently, creating a new mount namespace always copies the entire
mount tree from the caller's namespace. For containers and sandboxes
that intend to build their mount table from scratch this is wasteful:
they inherit a potentially large mount tree only to immediately tear
it down.
This series adds support for creating a mount namespace that contains
only a clone of the root mount, with none of the child mounts. Two
new flags are introduced:
- CLONE_EMPTY_MNTNS (0x400000000) for clone3(), using the 64-bit flag space
- UNSHARE_EMPTY_MNTNS (0x00100000) for unshare()
Both flags imply CLONE_NEWNS. The resulting namespace contains a
single nullfs root mount with an immutable empty directory. The
intended workflow is to then mount a real filesystem (e.g., tmpfs)
over the root and build the mount table from there.
- Allow MOVE_MOUNT_BENEATH to target the caller's rootfs, allowing to
switch out the rootfs without pivot_root(2).
The traditional approach to switching the rootfs involves
pivot_root(2) or a chroot_fs_refs()-based mechanism that atomically
updates fs->root for all tasks sharing the same fs_struct. This has
consequences for fork(), unshare(CLONE_FS), and setns().
This series instead decomposes root-switching into individually
atomic, locally-scoped steps:
fd_tree = open_tree(-EBADF, "/newroot", OPEN_TREE_CLONE | OPEN_TREE_CLOEXEC);
fchdir(fd_tree);
move_mount(fd_tree, "", AT_FDCWD, "/", MOVE_MOUNT_BENEATH | MOVE_MOUNT_F_EMPTY_PATH);
chroot(".");
umount2(".", MNT_DETACH);
Since each step only modifies the caller's own state, the
fork/unshare/setns races are eliminated by design.
A key step to making this possible is to remove the locked mount
restriction. Originally MOVE_MOUNT_BENEATH doesn't support mounting
beneath a mount that is locked. The locked mount protects the
underlying mount from being revealed. This is a core mechanism of
unshare(CLONE_NEWUSER | CLONE_NEWNS). The mounts in the new mount
namespace become locked. That effectively makes the new mount table
useless as the caller cannot ever get rid of any of the mounts no
matter how useless they are.
We can lift this restriction though. We simply transfer the locked
property from the top mount to the mount beneath. This works because
what we care about is to protect the underlying mount aka the parent.
The mount mounted between the parent and the top mount takes over the
job of protecting the parent mount from the top mount mount. This
leaves us free to remove the locked property from the top mount which
can consequently be unmounted:
unshare(CLONE_NEWUSER | CLONE_NEWNS)
and we inherit a clone of procfs on /proc then currently we cannot
unmount it as:
umount -l /proc
will fail with EINVAL because the procfs mount is locked.
After this series we can now do:
mount --beneath -t tmpfs tmpfs /proc
umount -l /proc
after which a tmpfs mount has been placed beneath the procfs mount.
The tmpfs mount has become locked and the procfs mount has become
unlocked.
This means you can safely modify an inherited mount table after
unprivileged namespace creation.
Afterwards we simply make it possible to move a mount beneath the
rootfs allowing to upgrade the rootfs.
Removing the locked restriction makes this very useful for containers
created with unshare(CLONE_NEWUSER | CLONE_NEWNS) to reshuffle an
inherited mount table safely and MOVE_MOUNT_BENEATH makes it possible
to switch out the rootfs instead of using the costly pivot_root(2).
* tag 'vfs-7.1-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
selftests/namespaces: remove unused utils.h include from listns_efault_test
selftests/fsmount_ns: add missing TARGETS and fix cap test
selftests/empty_mntns: fix wrong CLONE_EMPTY_MNTNS hex value in comment
selftests/empty_mntns: fix statmount_alloc() signature mismatch
selftests/statmount: remove duplicate wait_for_pid()
mount: always duplicate mount
selftests/filesystems: add MOVE_MOUNT_BENEATH rootfs tests
move_mount: allow MOVE_MOUNT_BENEATH on the rootfs
move_mount: transfer MNT_LOCKED
selftests/filesystems: add clone3 tests for empty mount namespaces
selftests/filesystems: add tests for empty mount namespaces
namespace: allow creating empty mount namespaces
selftests: add FSMOUNT_NAMESPACE tests
selftests/statmount: add statmount_alloc() helper
tools: update mount.h header
mount: add FSMOUNT_NAMESPACE
mount: simplify __do_loopback()
mount: start iterating from start of rbtree
|
||
|
Linus Torvalds
|
91a4855d6c |
Networking changes for 7.1.
Core & protocols
----------------
- Support HW queue leasing, allowing containers to be granted access
to HW queues for zero-copy operations and AF_XDP.
- Number of code moves to help the compiler with inlining.
Avoid output arguments for returning drop reason where possible.
- Rework drop handling within qdiscs to include more metadata
about the reason and dropping qdisc in the tracepoints.
- Remove the rtnl_lock use from IP Multicast Routing.
- Pack size information into the Rx Flow Steering table pointer
itself. This allows making the table itself a flat array of u32s,
thus making the table allocation size a power of two.
- Report TCP delayed ack timer information via socket diag.
- Add ip_local_port_step_width sysctl to allow distributing the randomly
selected ports more evenly throughout the allowed space.
- Add support for per-route tunsrc in IPv6 segment routing.
- Start work of switching sockopt handling to iov_iter.
- Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
buffer size drifting up.
- Support MSG_EOR in MPTCP.
- Add stp_mode attribute to the bridge driver for STP mode selection.
This addresses concerns about call_usermodehelper() usage.
- Remove UDP-Lite support (as announced in 2023).
- Remove support for building IPv6 as a module.
Remove the now unnecessary function calling indirection.
Cross-tree stuff
----------------
- Move Michael MIC code from generic crypto into wireless,
it's considered insecure but some WiFi networks still need it.
Netfilter
---------
- Switch nft_fib_ipv6 module to no longer need temporary dst_entry
object allocations by using fib6_lookup() + RCU.
Florian W reports this gets us ~13% higher packet rate.
- Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
switch the service tables to be per-net. Convert some code that
walks the service lists to use RCU instead of the service_mutex.
- Add more opinionated input validation to lower security exposure.
- Make IPVS hash tables to be per-netns and resizable.
Wireless
--------
- Finished assoc frame encryption/EPPKE/802.1X-over-auth.
- Radar detection improvements.
- Add 6 GHz incumbent signal detection APIs.
- Multi-link support for FILS, probe response templates and
client probing.
- New APIs and mac80211 support for NAN (Neighbor Aware Networking,
aka Wi-Fi Aware) so less work must be in firmware.
Driver API
----------
- Add numerical ID for devlink instances (to avoid having to create
fake bus/device pairs just to have an ID). Support shared devlink
instances which span multiple PFs.
- Add standard counters for reporting pause storm events
(implement in mlx5 and fbnic).
- Add configuration API for completion writeback buffering
(implement in mana).
- Support driver-initiated change of RSS context sizes.
- Support DPLL monitoring input frequency (implement in zl3073x).
- Support per-port resources in devlink (implement in mlx5).
Misc
----
- Expand the YAML spec for Netfilter.
Drivers
-------
- Software:
- macvlan: support multicast rx for bridge ports with shared source
MAC address
- team: decouple receive and transmit enablement for IEEE 802.3ad
LACP "independent control"
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- support high order pages in zero-copy mode (for payload
coalescing)
- support multiple packets in a page (for systems with 64kB pages)
- Broadcom 25-400GE (bnxt):
- implement XDP RSS hash metadata extraction
- add software fallback for UDP GSO, lowering the IOMMU cost
- Broadcom 800GE (bnge):
- add link status and configuration handling
- add various HW and SW statistics
- Marvell/Cavium:
- NPC HW block support for cn20k
- Huawei (hinic3):
- add mailbox / control queue
- add rx VLAN offload
- add driver info and link management
- Ethernet NICs:
- Marvell/Aquantia:
- support reading SFP module info on some AQC100 cards
- Realtek PCI (r8169):
- add support for RTL8125cp
- Realtek USB (r8152):
- support for the RTL8157 5Gbit chip
- add 2500baseT EEE status/configuration support
- Ethernet NICs embedded and off-the-shelf IP:
- Synopsys (stmmac):
- cleanup and reorganize SerDes handling and PCS support
- cleanup descriptor handling and per-platform data
- cleanup and consolidate MDIO defines and handling
- shrink driver memory use for internal structures
- improve Tx IRQ coalescing
- improve TCP segmentation handling
- add support for Spacemit K3
- Cadence (macb):
- support PHYs that have inband autoneg disabled with GEM
- support IEEE 802.3az EEE
- rework usrio capabilities and handling
- AMD (xgbe):
- improve power management for S0i3
- improve TX resilience for link-down handling
- Virtual:
- Google cloud vNIC:
- support larger ring sizes in DQO-QPL mode
- improve HW-GRO handling
- support UDP GSO for DQO format
- PCIe NTB:
- support queue count configuration
- Ethernet PHYs:
- automatically disable PHY autonomous EEE if MAC is in charge
- Broadcom:
- add BCM84891/BCM84892 support
- Micrel:
- support for LAN9645X internal PHY
- Realtek:
- add RTL8224 pair order support
- support PHY LEDs on RTL8211F-VD
- support spread spectrum clocking (SSC)
- Maxlinear:
- add PHY-level statistics via ethtool
- Ethernet switches:
- Maxlinear (mxl862xx):
- support for bridge offloading
- support for VLANs
- support driver statistics
- Bluetooth:
- large number of fixes and new device IDs
- Mediatek:
- support MT6639 (MT7927)
- support MT7902 SDIO
- WiFi:
- Intel (iwlwifi):
- UNII-9 and continuing UHR work
- MediaTek (mt76):
- mt7996/mt7925 MLO fixes/improvements
- mt7996 NPU support (HW eth/wifi traffic offload)
- Qualcomm (ath12k):
- monitor mode support on IPQ5332
- basic hwmon temperature reporting
- support IPQ5424
- Realtek:
- add USB RX aggregation to improve performance
- add USB TX flow control by tracking in-flight URBs
- Cellular:
- IPA v5.2 support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Support HW queue leasing, allowing containers to be granted access
to HW queues for zero-copy operations and AF_XDP
- Number of code moves to help the compiler with inlining. Avoid
output arguments for returning drop reason where possible
- Rework drop handling within qdiscs to include more metadata about
the reason and dropping qdisc in the tracepoints
- Remove the rtnl_lock use from IP Multicast Routing
- Pack size information into the Rx Flow Steering table pointer
itself. This allows making the table itself a flat array of u32s,
thus making the table allocation size a power of two
- Report TCP delayed ack timer information via socket diag
- Add ip_local_port_step_width sysctl to allow distributing the
randomly selected ports more evenly throughout the allowed space
- Add support for per-route tunsrc in IPv6 segment routing
- Start work of switching sockopt handling to iov_iter
- Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
buffer size drifting up
- Support MSG_EOR in MPTCP
- Add stp_mode attribute to the bridge driver for STP mode selection.
This addresses concerns about call_usermodehelper() usage
- Remove UDP-Lite support (as announced in 2023)
- Remove support for building IPv6 as a module. Remove the now
unnecessary function calling indirection
Cross-tree stuff:
- Move Michael MIC code from generic crypto into wireless, it's
considered insecure but some WiFi networks still need it
Netfilter:
- Switch nft_fib_ipv6 module to no longer need temporary dst_entry
object allocations by using fib6_lookup() + RCU.
Florian W reports this gets us ~13% higher packet rate
- Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
switch the service tables to be per-net. Convert some code that
walks the service lists to use RCU instead of the service_mutex
- Add more opinionated input validation to lower security exposure
- Make IPVS hash tables to be per-netns and resizable
Wireless:
- Finished assoc frame encryption/EPPKE/802.1X-over-auth
- Radar detection improvements
- Add 6 GHz incumbent signal detection APIs
- Multi-link support for FILS, probe response templates and client
probing
- New APIs and mac80211 support for NAN (Neighbor Aware Networking,
aka Wi-Fi Aware) so less work must be in firmware
Driver API:
- Add numerical ID for devlink instances (to avoid having to create
fake bus/device pairs just to have an ID). Support shared devlink
instances which span multiple PFs
- Add standard counters for reporting pause storm events (implement
in mlx5 and fbnic)
- Add configuration API for completion writeback buffering (implement
in mana)
- Support driver-initiated change of RSS context sizes
- Support DPLL monitoring input frequency (implement in zl3073x)
- Support per-port resources in devlink (implement in mlx5)
Misc:
- Expand the YAML spec for Netfilter
Drivers
- Software:
- macvlan: support multicast rx for bridge ports with shared
source MAC address
- team: decouple receive and transmit enablement for IEEE 802.3ad
LACP "independent control"
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- support high order pages in zero-copy mode (for payload
coalescing)
- support multiple packets in a page (for systems with 64kB
pages)
- Broadcom 25-400GE (bnxt):
- implement XDP RSS hash metadata extraction
- add software fallback for UDP GSO, lowering the IOMMU cost
- Broadcom 800GE (bnge):
- add link status and configuration handling
- add various HW and SW statistics
- Marvell/Cavium:
- NPC HW block support for cn20k
- Huawei (hinic3):
- add mailbox / control queue
- add rx VLAN offload
- add driver info and link management
- Ethernet NICs:
- Marvell/Aquantia:
- support reading SFP module info on some AQC100 cards
- Realtek PCI (r8169):
- add support for RTL8125cp
- Realtek USB (r8152):
- support for the RTL8157 5Gbit chip
- add 2500baseT EEE status/configuration support
- Ethernet NICs embedded and off-the-shelf IP:
- Synopsys (stmmac):
- cleanup and reorganize SerDes handling and PCS support
- cleanup descriptor handling and per-platform data
- cleanup and consolidate MDIO defines and handling
- shrink driver memory use for internal structures
- improve Tx IRQ coalescing
- improve TCP segmentation handling
- add support for Spacemit K3
- Cadence (macb):
- support PHYs that have inband autoneg disabled with GEM
- support IEEE 802.3az EEE
- rework usrio capabilities and handling
- AMD (xgbe):
- improve power management for S0i3
- improve TX resilience for link-down handling
- Virtual:
- Google cloud vNIC:
- support larger ring sizes in DQO-QPL mode
- improve HW-GRO handling
- support UDP GSO for DQO format
- PCIe NTB:
- support queue count configuration
- Ethernet PHYs:
- automatically disable PHY autonomous EEE if MAC is in charge
- Broadcom:
- add BCM84891/BCM84892 support
- Micrel:
- support for LAN9645X internal PHY
- Realtek:
- add RTL8224 pair order support
- support PHY LEDs on RTL8211F-VD
- support spread spectrum clocking (SSC)
- Maxlinear:
- add PHY-level statistics via ethtool
- Ethernet switches:
- Maxlinear (mxl862xx):
- support for bridge offloading
- support for VLANs
- support driver statistics
- Bluetooth:
- large number of fixes and new device IDs
- Mediatek:
- support MT6639 (MT7927)
- support MT7902 SDIO
- WiFi:
- Intel (iwlwifi):
- UNII-9 and continuing UHR work
- MediaTek (mt76):
- mt7996/mt7925 MLO fixes/improvements
- mt7996 NPU support (HW eth/wifi traffic offload)
- Qualcomm (ath12k):
- monitor mode support on IPQ5332
- basic hwmon temperature reporting
- support IPQ5424
- Realtek:
- add USB RX aggregation to improve performance
- add USB TX flow control by tracking in-flight URBs
- Cellular:
- IPA v5.2 support"
* tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1561 commits)
net: pse-pd: fix kernel-doc function name for pse_control_find_by_id()
wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit
wireguard: allowedips: remove redundant space
tools: ynl: add sample for wireguard
wireguard: allowedips: Use kfree_rcu() instead of call_rcu()
MAINTAINERS: Add netkit selftest files
selftests/net: Add additional test coverage in nk_qlease
selftests/net: Split netdevsim tests from HW tests in nk_qlease
tools/ynl: Make YnlFamily closeable as a context manager
net: airoha: Add missing PPE configurations in airoha_ppe_hw_init()
net: airoha: Fix VIP configuration for AN7583 SoC
net: caif: clear client service pointer on teardown
net: strparser: fix skb_head leak in strp_abort_strp()
net: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()
selftests/bpf: add test for xdp_master_redirect with bond not up
net, bpf: fix null-ptr-deref in xdp_master_redirect() for down master
net: airoha: Remove PCE_MC_EN_MASK bit in REG_FE_PCE_CFG configuration
sctp: disable BH before calling udp_tunnel_xmit_skb()
sctp: fix missing encap_port propagation for GSO fragments
net: airoha: Rely on net_device pointer in ETS callbacks
...
|
||
|
Linus Torvalds
|
f5ad410100 |
bpf-next-7.1
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Merge tag 'bpf-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Welcome new BPF maintainers: Kumar Kartikeya Dwivedi, Eduard
Zingerman while Martin KaFai Lau reduced his load to Reviwer.
- Lots of fixes everywhere from many first time contributors. Thank you
All.
- Diff stat is dominated by mechanical split of verifier.c into
multiple components:
- backtrack.c: backtracking logic and jump history
- states.c: state equivalence
- cfg.c: control flow graph, postorder, strongly connected
components
- liveness.c: register and stack liveness
- fixups.c: post-verification passes: instruction patching, dead
code removal, bpf_loop inlining, finalize fastcall
8k line were moved. verifier.c still stands at 20k lines.
Further refactoring is planned for the next release.
- Replace dynamic stack liveness with static stack liveness based on
data flow analysis.
This improved the verification time by 2x for some programs and
equally reduced memory consumption. New logic is in liveness.c and
supported by constant folding in const_fold.c (Eduard Zingerman,
Alexei Starovoitov)
- Introduce BTF layout to ease addition of new BTF kinds (Alan Maguire)
- Use kmalloc_nolock() universally in BPF local storage (Amery Hung)
- Fix several bugs in linked registers delta tracking (Daniel Borkmann)
- Improve verifier support of arena pointers (Emil Tsalapatis)
- Improve verifier tracking of register bounds in min/max and tnum
domains (Harishankar Vishwanathan, Paul Chaignon, Hao Sun)
- Further extend support for implicit arguments in the verifier (Ihor
Solodrai)
- Add support for nop,nop5 instruction combo for USDT probes in libbpf
(Jiri Olsa)
- Support merging multiple module BTFs (Josef Bacik)
- Extend applicability of bpf_kptr_xchg (Kaitao Cheng)
- Retire rcu_trace_implies_rcu_gp() (Kumar Kartikeya Dwivedi)
- Support variable offset context access for 'syscall' programs (Kumar
Kartikeya Dwivedi)
- Migrate bpf_task_work and dynptr to kmalloc_nolock() (Mykyta
Yatsenko)
- Fix UAF in in open-coded task_vma iterator (Puranjay Mohan)
* tag 'bpf-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (241 commits)
selftests/bpf: cover short IPv4/IPv6 inputs with adjust_room
bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb
selftests/bpf: Use memfd_create instead of shm_open in cgroup_iter_memcg
selftests/bpf: Add test for cgroup storage OOB read
bpf: Fix OOB in pcpu_init_value
selftests/bpf: Fix reg_bounds to match new tnum-based refinement
selftests/bpf: Add tests for non-arena/arena operations
bpf: Allow instructions with arena source and non-arena dest registers
bpftool: add missing fsession to the usage and docs of bpftool
docs/bpf: add missing fsession attach type to docs
bpf: add missing fsession to the verifier log
bpf: Move BTF checking logic into check_btf.c
bpf: Move backtracking logic to backtrack.c
bpf: Move state equivalence logic to states.c
bpf: Move check_cfg() into cfg.c
bpf: Move compute_insn_live_regs() into liveness.c
bpf: Move fixup/post-processing logic from verifier.c into fixups.c
bpf: Simplify do_check_insn()
bpf: Move checks for reserved fields out of the main pass
bpf: Delete unused variable
...
|
||
|
Linus Torvalds
|
e997ac58ad |
linux_kselftest-next-7.1-rc1
Improvements and fixes kselftest, kselftest harness, frameworks
and individual tests:
-- cpu-hotplug: fix to check if cpu hotplug is supported to avoid
test failures when cpu hotplug isn't supported.
-- frace: fix to relevant comparisons and path checks in the helper so
it handles those patterns without spurious shell warnings.
-- runner.sh: add ktrap support
-- tracing: fix to make --logdir option work again
-- tracing: fix to check awk supports non POSIX strtonum()
-- mqueue: fix incorrectly named settings file to make sure the test
used the correct timeout value
-- kselftest:
- fix to treat xpass as successful result
- add ksft_reset_state()
-- kselftest_harness:
- validate kselftest exit codes are handled explicitly
- add detection of invalid mixing of kselftest and harness functionality
- add validation of intermixing of kselftest and harness functionality
-- run_kselftest.sh:
- remove unused $ROOT
- resolve BASE_DIR with pwd -P to avoid dependency on realpath
or readlink commands to generate a physical absolute path for
BASE_DIR
- allow choosing per-test log directory
- preserve subtarget failures in all/install
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Merge tag 'linux_kselftest-next-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- cpu-hotplug: fix to check if cpu hotplug is supported to avoid
test failures when cpu hotplug isn't supported.
- frace: fix to relevant comparisons and path checks in the helper so
it handles those patterns without spurious shell warnings.
- runner.sh: add ktrap support
- tracing: fix to make --logdir option work again
- tracing: fix to check awk supports non POSIX strtonum()
- mqueue: fix incorrectly named settings file to make sure the test
used the correct timeout value
- kselftest:
- fix to treat xpass as successful result
- add ksft_reset_state()
- kselftest_harness:
- validate kselftest exit codes are handled explicitly
- add detection of invalid mixing of kselftest and harness
functionality
- add validation of intermixing of kselftest and harness
functionality
- run_kselftest.sh:
- remove unused $ROOT
- resolve BASE_DIR with pwd -P to avoid dependency on realpath
or readlink commands to generate a physical absolute path for
BASE_DIR
- allow choosing per-test log directory
- preserve subtarget failures in all/install
* tag 'linux_kselftest-next-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Quote check_requires comparisons
selftests: Preserve subtarget failures in all/install
selftests/run_kselftest.sh: Allow choosing per-test log directory
selftests/run_kselftest.sh: Resolve BASE_DIR with pwd -P
selftests/run_kselftest.sh: Remove unused $ROOT
selftests/cpu-hotplug: Fix check for cpu hotplug not supported
selftests/mqueue: Fix incorrectly named file
selftests: Use ktap helpers for runner.sh
selftests: harness: Validate intermixing of kselftest and harness functionality
selftests: harness: Detect illegal mixing of kselftest and harness functionality
selftests: kselftest: Add ksft_reset_state()
selftests: harness: Validate that explicit kselftest exitcodes are handled
selftests: kselftest: Treat xpass as successful result
selftests/tracing: Fix to check awk supports non POSIX strtonum()
selftests/tracing: Fix to make --logdir option work again
|
||
|
Linus Torvalds
|
6198c86a97 |
linux_kselftest-kunit-7.1-rc1
Fixes kunit tool to
-- terminate kernel under test on SIGINT when it catches SIGINT
to make sure the TTY isn't messed up and terminate the running
kernel.
-- recommend --raw_output=all when KTAP header isn't found in the kernel
output, it's useful to re-run the test with --raw_output=all to find
out the reasons why the test didn't complete.
-- skip stty when stdin is not a tty to avoid writing noise to stderr.
-- show suites when user runs --list_suites option instead of entire
list of tests to make the output user friendly and concise.
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Merge tag 'linux_kselftest-kunit-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit tool updates from Shuah Khan:
- terminate kernel under test on SIGINT when it catches SIGINT to make
sure the TTY isn't messed up and terminate the running kernel
- recommend --raw_output=all when KTAP header isn't found in the kernel
output, it's useful to re-run the test with --raw_output=all to find
out the reasons why the test didn't complete.
- skip stty when stdin is not a tty to avoid writing noise to stderr.
- show suites when user runs --list_suites option instead of entire
list of tests to make the output user friendly and concise.
* tag 'linux_kselftest-kunit-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: tool: Terminate kernel under test on SIGINT
kunit: tool: skip stty when stdin is not a tty
kunit: tool: Recommend --raw_output=all if no KTAP found
kunit: Add --list_suites to show suites
|
||
|
Linus Torvalds
|
88b29f3f57 |
Modules changes for v7.1-rc1
Kernel symbol flags:
- Replace the separate *_gpl symbol sections (__ksymtab_gpl and
__kcrctab_gpl) with a unified symbol table and a new
__kflagstab section. This section stores symbol flags, such as
the GPL-only flag, as an 8-bit bitset for each exported symbol.
This is a cleanup that simplifies symbol lookup in the module
loader by avoiding table fragmentation and will allow a cleaner
way to add more flags later if needed.
Module signature UAPI:
- Move struct module_signature to the UAPI headers to allow reuse
by tools outside the kernel proper, such as kmod and
scripts/sign-file. This also renames a few constants for clarity
and drops unused signature types as preparation for hash-based
module integrity checking work that's in progress.
Sysfs:
- Add a /sys/module/<module>/import_ns sysfs attribute to show
the symbol namespaces imported by loaded modules. This makes it
easier to verify driver API access at runtime on systems that
care about such things (e.g. Android).
Cleanups and fixes:
- Force sh_addr to 0 for all sections in module.lds. This prevents
non-zero section addresses when linking modules with ld.bfd -r,
which confused elfutils.
- Fix a memory leak of charp module parameters on module unload
when the kernel is configured with CONFIG_SYSFS=n.
- Override the -EEXIST error code returned by module_init() to
userspace. This prevents confusion with the errno reserved by
the module loader to indicate that a module is already loaded.
- Simplify the warning message and drop the stack dump on positive
returns from module_init().
- Drop unnecessary extern keywords from function declarations and
synchronize parse_args() arguments with their implementation.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
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Merge tag 'modules-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull module updates from Sami Tolvanen:
"Kernel symbol flags:
- Replace the separate *_gpl symbol sections (__ksymtab_gpl and
__kcrctab_gpl) with a unified symbol table and a new __kflagstab
section.
This section stores symbol flags, such as the GPL-only flag, as an
8-bit bitset for each exported symbol. This is a cleanup that
simplifies symbol lookup in the module loader by avoiding table
fragmentation and will allow a cleaner way to add more flags later
if needed.
Module signature UAPI:
- Move struct module_signature to the UAPI headers to allow reuse by
tools outside the kernel proper, such as kmod and
scripts/sign-file.
This also renames a few constants for clarity and drops unused
signature types as preparation for hash-based module integrity
checking work that's in progress.
Sysfs:
- Add a /sys/module/<module>/import_ns sysfs attribute to show the
symbol namespaces imported by loaded modules.
This makes it easier to verify driver API access at runtime on
systems that care about such things (e.g. Android).
Cleanups and fixes:
- Force sh_addr to 0 for all sections in module.lds. This prevents
non-zero section addresses when linking modules with 'ld.bfd -r',
which confused elfutils.
- Fix a memory leak of charp module parameters on module unload when
the kernel is configured with CONFIG_SYSFS=n.
- Override the -EEXIST error code returned by module_init() to
userspace. This prevents confusion with the errno reserved by the
module loader to indicate that a module is already loaded.
- Simplify the warning message and drop the stack dump on positive
returns from module_init().
- Drop unnecessary extern keywords from function declarations and
synchronize parse_args() arguments with their implementation"
* tag 'modules-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: (23 commits)
module: Simplify warning on positive returns from module_init()
module: Override -EEXIST module return
documentation: remove references to *_gpl sections
module: remove *_gpl sections from vmlinux and modules
module: deprecate usage of *_gpl sections in module loader
module: use kflagstab instead of *_gpl sections
module: populate kflagstab in modpost
module: add kflagstab section to vmlinux and modules
module: define ksym_flags enumeration to represent kernel symbol flags
selftests/bpf: verify_pkcs7_sig: Use 'struct module_signature' from the UAPI headers
sign-file: use 'struct module_signature' from the UAPI headers
tools uapi headers: add linux/module_signature.h
module: Move 'struct module_signature' to UAPI
module: Give MODULE_SIG_STRING a more descriptive name
module: Give 'enum pkey_id_type' a more specific name
module: Drop unused signature types
extract-cert: drop unused definition of PKEY_ID_PKCS7
docs: symbol-namespaces: mention sysfs attribute
module: expose imported namespaces via sysfs
module: Remove extern keyword from param prototypes
...
|
||
|
Linus Torvalds
|
ee60c510fb |
nolibc changes for 7.1
Highlights: * Many new features and optimizations to printf(). * Rename non-standard symbols to avoid collisions with application code. * Support for byteswap.h, endian.h, err.h and asprintf(). * 64-bit dev_t. * Smaller cleanips and fixes to the code and build system. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTg4lxklFHAidmUs57B+h1jyw5bOAUCadvnagAKCRDB+h1jyw5b OPgLAQDlu6hdBZtzPzskzwcSQ2MFBQRuiOmHadksYIfvmxerZQD+LCf3xoO5a/vK Jg2K+90RvcerTbHuDqaQave1RPC0vAA= =LIjy -----END PGP SIGNATURE----- Merge tag 'nolibc-20260412-for-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc Pull nolibc updates from Thomas Weißschuh: - Many new features and optimizations to printf() - Rename non-standard symbols to avoid collisions with application code - Support for byteswap.h, endian.h, err.h and asprintf() - 64-bit dev_t - Smaller cleanups and fixes to the code and build system * tag 'nolibc-20260412-for-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc: (61 commits) selftests/nolibc: use gcc 15 tools/nolibc: support UBSAN on gcc tools/nolibc: create __nolibc_no_sanitize_ubsan selftests/nolibc: don't skip tests for unimplemented syscalls anymore selftests/nolibc: explicitly handle ENOSYS from ptrace() tools/nolibc: add byteorder conversions tools/nolibc: add the _syscall() macro tools/nolibc: move the call to __sysret() into syscall() tools/nolibc: rename the internal macros used in syscall() selftests/nolibc: only use libgcc when really necessary selftests/nolibc: test the memory allocator tools/nolibc: check for overflow in calloc() without divisions tools/nolibc: add support for asprintf() tools/nolibc: use __builtin_offsetof() tools/nolibc: use makedev() in fstatat() tools/nolibc: handle all major and minor numbers in makedev() and friends tools/nolibc: make dev_t 64 bits wide tools/nolibc: move the logic of makedev() and friends into functions selftests/nolibc: add a test for stat().st_rdev selftests/nolibc: add some tests for makedev() and friends ... |
||
|
Linus Torvalds
|
3203a08c12 |
powerpc updates for 7.1
- powerpc support for huge pfnmaps - Cleanups to use masked user access - Rework pnv_ioda_pick_m64_pe() to use better bitmap API - Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC - Backup region offset update to eflcorehdr - Fixes for wii/ps3 platform - Implement JIT support for private stack in powerpc - Implement JIT support for fsession in powerpc64 trampoline - Add support for instruction array and indirect jump in powerpc - Misc selftest fixes and cleanups Thanks to: Abhishek Dubey, Aditya Gupta, Alex Williamson, Amit Machhiwal, Andrew Donnellan, Bartosz Golaszewski, Cédric Le Goater, Chen Ni, Christophe Leroy (CS GROUP), Hari Bathini, J. Neuschäfer, Mukesh Kumar Chaurasiya (IBM), Nam Cao, Nilay Shroff, Pavithra Prakash, Randy Dunlap, Ritesh Harjani (IBM), Shrikanth Hegde, Sourabh Jain, Vaibhav Jain, Venkat Rao Bagalkote, Yury Norov (NVIDIA) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmnc9bQACgkQpnEsdPSH ZJS0wg//TIma7bIPw0rFNnDWRHJq2YqXCSOKjU24gkYPD+T5lvuE4JtkYx1U7FOC yByjCwmWg0RMOlcDC0vtyqvcq8fZSc5VwrebjZaHtEcRFkcip5r57A1DkV1TLWF/ 3EXQzhOzh5Sf6+A7leg4hVhk0ZvCG/DFqKCW6s1uBBBALD2nv9oC9WLzdZeutiWm hC+f1pFbfr4ZAAcjeTTBLJPLa4ayWUbszseW2CX9B3Rf041fh4puAH709Wlf9gYz 7Gh7ZS/XhLYi5urH9bd7+0CTgDxeYI9D/0hBh1szXFHYB2N+1OdQNmMz0TfKlzsB byHGd9OW5EnfwKOFb9/wYQI6vODoZRSVB74oSHlJ7GoLe8FnNnBhqUaYuorJIYJF j8wuhOz/fdC8EWpol2lTsnQ+Lvo7N/YG7BIa2SiSTwpnOoZ2iQR3GeZcp4TCW8A/ ZUHEUuaM/zuNZxIZqxnM7wHBE+nGHjOcfRMZcZz1kwanw+Xyu0lDrTbn0O6h404R p0N/GG5Q8phVD/GQaXi3jt5/316D+SOTo4hhl7nyP1/UFvqH8YEEwXy2KnldBLKH C0S0pdmOx03fgjpG+Utkk2zYpz06KfYL58tiEaCFikoBRtQBfTFq7qyqNrgYRx1V 7h4lnjRqTLjyurBUAUPNZPHC6BY1inv3wJj1x5ooRbaPSDXw5VU= =P25l -----END PGP SIGNATURE----- Merge tag 'powerpc-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Madhavan Srinivasan: - powerpc support for huge pfnmaps - Cleanups to use masked user access - Rework pnv_ioda_pick_m64_pe() to use better bitmap API - Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC - Backup region offset update to eflcorehdr - Fixes for wii/ps3 platform - Implement JIT support for private stack in powerpc - Implement JIT support for fsession in powerpc64 trampoline - Add support for instruction array and indirect jump in powerpc - Misc selftest fixes and cleanups Thanks to Abhishek Dubey, Aditya Gupta, Alex Williamson, Amit Machhiwal, Andrew Donnellan, Bartosz Golaszewski, Cédric Le Goater, Chen Ni, Christophe Leroy (CS GROUP), Hari Bathini, J. Neuschäfer, Mukesh Kumar Chaurasiya (IBM), Nam Cao, Nilay Shroff, Pavithra Prakash, Randy Dunlap, Ritesh Harjani (IBM), Shrikanth Hegde, Sourabh Jain, Vaibhav Jain, Venkat Rao Bagalkote, and Yury Norov (NVIDIA) * tag 'powerpc-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (47 commits) mailmap: Add entry for Andrew Donnellan powerpc32/bpf: fix loading fsession func metadata using PPC_LI32 selftest/bpf: Enable gotox tests for powerpc64 powerpc64/bpf: Add support for indirect jump selftest/bpf: Enable instruction array test for powerpc powerpc/bpf: Add support for instruction array powerpc32/bpf: Add fsession support powerpc64/bpf: Implement fsession support selftests/bpf: Enable private stack tests for powerpc64 powerpc64/bpf: Implement JIT support for private stack powerpc: pci-ioda: Optimize pnv_ioda_pick_m64_pe() powerpc: pci-ioda: use bitmap_alloc() in pnv_ioda_pick_m64_pe() powerpc/net: Inline checksum wrappers and convert to scoped user access powerpc/sstep: Convert to scoped user access powerpc/align: Convert emulate_spe() to scoped user access powerpc/ptrace: Convert gpr32_set_common_user() to scoped user access powerpc/futex: Use masked user access powerpc/audit: Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC cpuidle: powerpc: avoid double clear when breaking snooze powerpc/ps3: spu.c: fix enum and Return kernel-doc warnings ... |
||
|
Linus Torvalds
|
c43267e679 |
arm64 updates for 7.1:
Core features:
- Add support for FEAT_LSUI, allowing futex atomic operations without
toggling Privileged Access Never (PAN)
- Further refactor the arm64 exception handling code towards the
generic entry infrastructure
- Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
through it
Memory management:
- Refactor the arm64 TLB invalidation API and implementation for better
control over barrier placement and level-hinted invalidation
- Enable batched TLB flushes during memory hot-unplug
- Fix rodata=full block mapping support for realm guests (when
BBML2_NOABORT is available)
Perf and PMU:
- Add support for a whole bunch of system PMUs featured in NVIDIA's
Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
for CPU/C2C memory latency PMUs)
- Clean up iomem resource handling in the Arm CMN driver
- Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}
MPAM (Memory Partitioning And Monitoring):
- Add architecture context-switch and hiding of the feature from KVM
- Add interface to allow MPAM to be exposed to user-space using resctrl
- Add errata workaround for some existing platforms
- Add documentation for using MPAM and what shape of platforms can use
resctrl
Miscellaneous:
- Check DAIF (and PMR, where relevant) at task-switch time
- Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
(only relevant to asynchronous or asymmetric tag check modes)
- Remove a duplicate allocation in the kexec code
- Remove redundant save/restore of SCS SP on entry to/from EL0
- Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
descriptions
- Add kselftest coverage for cmpbr_sigill()
- Update sysreg definitions
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"The biggest changes are MPAM enablement in drivers/resctrl and new PMU
support under drivers/perf.
On the core side, FEAT_LSUI lets futex atomic operations with EL0
permissions, avoiding PAN toggling.
The rest is mostly TLB invalidation refactoring, further generic entry
work, sysreg updates and a few fixes.
Core features:
- Add support for FEAT_LSUI, allowing futex atomic operations without
toggling Privileged Access Never (PAN)
- Further refactor the arm64 exception handling code towards the
generic entry infrastructure
- Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
through it
Memory management:
- Refactor the arm64 TLB invalidation API and implementation for
better control over barrier placement and level-hinted invalidation
- Enable batched TLB flushes during memory hot-unplug
- Fix rodata=full block mapping support for realm guests (when
BBML2_NOABORT is available)
Perf and PMU:
- Add support for a whole bunch of system PMUs featured in NVIDIA's
Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
for CPU/C2C memory latency PMUs)
- Clean up iomem resource handling in the Arm CMN driver
- Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}
MPAM (Memory Partitioning And Monitoring):
- Add architecture context-switch and hiding of the feature from KVM
- Add interface to allow MPAM to be exposed to user-space using
resctrl
- Add errata workaround for some existing platforms
- Add documentation for using MPAM and what shape of platforms can
use resctrl
Miscellaneous:
- Check DAIF (and PMR, where relevant) at task-switch time
- Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
(only relevant to asynchronous or asymmetric tag check modes)
- Remove a duplicate allocation in the kexec code
- Remove redundant save/restore of SCS SP on entry to/from EL0
- Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
descriptions
- Add kselftest coverage for cmpbr_sigill()
- Update sysreg definitions"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (109 commits)
arm64: rsi: use linear-map alias for realm config buffer
arm64: Kconfig: fix duplicate word in CMDLINE help text
arm64: mte: Skip TFSR_EL1 checks and barriers in synchronous tag check mode
arm64/sysreg: Update ID_AA64SMFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ZFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64FPFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR2_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR0_EL1 description to DDI0601 2025-12
arm64/hwcap: Generate the KERNEL_HWCAP_ definitions for the hwcaps
arm64: kexec: Remove duplicate allocation for trans_pgd
ACPI: AGDI: fix missing newline in error message
arm64: Check DAIF (and PMR) at task-switch time
arm64: entry: Use split preemption logic
arm64: entry: Use irqentry_{enter_from,exit_to}_kernel_mode()
arm64: entry: Consistently prefix arm64-specific wrappers
arm64: entry: Don't preempt with SError or Debug masked
entry: Split preemption from irqentry_exit_to_kernel_mode()
entry: Split kernel mode logic from irqentry_{enter,exit}()
entry: Move irqentry_enter() prototype later
entry: Remove local_irq_{enable,disable}_exit_to_user()
...
|
||
|
Linus Torvalds
|
9f2bb6c7b3 |
- Complete LASS enabling: deal with vsyscall and EFI
- Clean up CPUID usage in newer Intel audio driver -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEV76QKkVc4xCGURexaDWVMHDJkrAFAmndDsMACgkQaDWVMHDJ krAOhRAAi3BsToTbmKayQJKWwVr5aGbLYXe3FiBv5juPprsJDF4otd0ALkdbf5Ls n7nND4L9RBfcGZBu25vo60Y1I1b2JReu9Y8YXxsrEx+WIxTPYClOJa7AqakyNxc4 zbTCTv6TuEyXqG5VWe3AItWrMToc49TvUVoN2fi+V89fLWA8IOkMoIhbAWwQPBFI ir0N4UwC/RtRBFf9qc9jesirqGSgh6SEAK6oBYM3C2PV/njoKljTconaCnF7uJlq WxxVcb07dIvOdpdE941OZ6jyS6eePr2feXOazNjnPb0py5Ai4WCsEGdK68ltQ5fM EhY24Ex6ltudgphB/cajKIKZ8LUCWgnMwTotY8IQMQiQ47JKmyrucdLUwvhl0qTD IAWiOMvb5d3X+CoKt3lXlzc29WhbogXzvxjZE29ad8Dm7DVBEOV57bXDwhnHb7LS rro7odiohsw7FMhfqxlb6NhYzCbdpBbmY3IFzXVgTZlWIXU1g/yBVz/2O0qsKLaw QQ2NKre6lioP2H3pWc0fi53336svzCSuuExCiu47Hx9WcYBX1Poq/AkpAoxPErq+ DRn8lXVwqMpefevlHK9XlZjSpwwwltULmId3LFxh3Z53b1NABrKpVEEJ/VChpzzA xC8dLdu1pbJa2jdccL6mBDYlMvyWLCmKfAlAHdRh8nLmOZxKRHg= =kPr7 -----END PGP SIGNATURE----- Merge tag 'x86_cpu_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 cpu updates from Dave Hansen: - Complete LASS enabling: deal with vsyscall and EFI The existing Linear Address Space Separation (LASS) support punted on support for common EFI and vsyscall configs. Complete the implementation by supporting EFI and vsyscall=xonly. - Clean up CPUID usage in newer Intel "avs" audio driver and update the x86-cpuid-db file * tag 'x86_cpu_for_7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tools/x86/kcpuid: Update bitfields to x86-cpuid-db v3.0 ASoC: Intel: avs: Include CPUID header at file scope ASoC: Intel: avs: Check maximum valid CPUID leaf x86/cpu: Remove LASS restriction on vsyscall emulation x86/vsyscall: Disable LASS if vsyscall mode is set to EMULATE x86/vsyscall: Restore vsyscall=xonly mode under LASS x86/traps: Consolidate user fixups in the #GP handler x86/vsyscall: Reorganize the page fault emulation code x86/cpu: Remove LASS restriction on EFI x86/efi: Disable LASS while executing runtime services x86/cpu: Defer LASS enabling until userspace comes up |
||
|
Linus Torvalds
|
33c66eb5e9 |
Performance events changes for v7.1:
Core updates:
- Try to allocate task_ctx_data quickly, to optimize
O(N^2) algorithm on large systems with O(100k) threads
(Namhyung Kim)
AMD PMU driver IBS support updates and fixes, by Ravi Bangoria:
- Fix interrupt accounting for discarded samples
- Fix a Zen5-specific quirk
- Fix PhyAddrVal handling
- Fix NMI-safety with perf_allow_kernel()
- Fix a race between event add and NMIs
Intel PMU driver updates:
- Only check GP counters for PEBS constraints validation (Dapeng Mi)
MSR driver:
- Turn SMI_COUNT and PPERF on by default, instead of a long
list of CPU models to enable them on (Kan Liang)
Misc cleanups and fixes by Aldf Conte, Anshuman Khandual, Namhyung Kim,
Ravi Bangoria and Yen-Hsiang Hsu.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance events updates from Ingo Molnar:
"Core updates:
- Try to allocate task_ctx_data quickly, to optimize O(N^2) algorithm
on large systems with O(100k) threads (Namhyung Kim)
AMD PMU driver IBS support updates and fixes, by Ravi Bangoria:
- Fix interrupt accounting for discarded samples
- Fix a Zen5-specific quirk
- Fix PhyAddrVal handling
- Fix NMI-safety with perf_allow_kernel()
- Fix a race between event add and NMIs
Intel PMU driver updates:
- Only check GP counters for PEBS constraints validation (Dapeng Mi)
MSR driver:
- Turn SMI_COUNT and PPERF on by default, instead of a long list of
CPU models to enable them on (Kan Liang)
... and misc cleanups and fixes by Aldf Conte, Anshuman Khandual,
Namhyung Kim, Ravi Bangoria and Yen-Hsiang Hsu"
* tag 'perf-core-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/events: Replace READ_ONCE() with standard pgtable accessors
perf/x86/msr: Make SMI and PPERF on by default
perf/x86/intel/p4: Fix unused variable warning in p4_pmu_init()
perf/x86/intel: Only check GP counters for PEBS constraints validation
perf/x86/amd/ibs: Fix comment typo in ibs_op_data
perf/amd/ibs: Advertise remote socket capability
perf/amd/ibs: Enable streaming store filter
perf/amd/ibs: Enable RIP bit63 hardware filtering
perf/amd/ibs: Enable fetch latency filtering
perf/amd/ibs: Support IBS_{FETCH|OP}_CTL2[Dis] to eliminate RMW race
perf/amd/ibs: Add new MSRs and CPUID bits definitions
perf/amd/ibs: Define macro for ldlat mask and shift
perf/amd/ibs: Avoid race between event add and NMI
perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler
perf/amd/ibs: Preserve PhyAddrVal bit when clearing PhyAddr MSR
perf/amd/ibs: Limit ldlat->l3missonly dependency to Zen5
perf/amd/ibs: Account interrupt for discarded samples
perf/core: Simplify __detach_global_ctx_data()
perf/core: Try to allocate task_ctx_data quickly
perf/core: Pass GFP flags to attach_task_ctx_data()
|
||
|
Linus Torvalds
|
4b2bdc2221 |
objtool updates for v7.1:
- KLP support updates and fixes (Song Liu)
- KLP-build script updates and fixes (Joe Lawrence)
- Support Clang RAX DRAP sequence, to address clang
false positive (Josh Poimboeuf)
- Reorder ORC register numbering to match regular x86
register numbering (Josh Poimboeuf)
- Misc cleanups (Wentong Tian, Song Liu)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-core-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool updates from Ingo Molnar:
- KLP support updates and fixes (Song Liu)
- KLP-build script updates and fixes (Joe Lawrence)
- Support Clang RAX DRAP sequence, to address clang false positive
(Josh Poimboeuf)
- Reorder ORC register numbering to match regular x86 register
numbering (Josh Poimboeuf)
- Misc cleanups (Wentong Tian, Song Liu)
* tag 'objtool-core-2026-04-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool/x86: Reorder ORC register numbering
objtool: Support Clang RAX DRAP sequence
livepatch/klp-build: report patch validation fuzz
livepatch/klp-build: add terminal color output
livepatch/klp-build: provide friendlier error messages
livepatch/klp-build: improve short-circuit validation
livepatch/klp-build: fix shellcheck complaints
livepatch/klp-build: add Makefile with check target
livepatch/klp-build: add grep-override function
livepatch/klp-build: switch to GNU patch and recountdiff
livepatch/klp-build: support patches that add/remove files
objtool/klp: Correlate locals to globals
objtool/klp: Match symbols based on demangled_name for global variables
objtool/klp: Remove .llvm suffix in demangle_name()
objtool/klp: Also demangle global objects
objtool/klp: Use sym->demangled_name for symbol_name hash
objtool/klp: Remove trailing '_' in demangle_name()
objtool/klp: Remove redundant strcmp() in correlate_symbols()
objtool: Use section/symbol type helpers
|
||
Jakub Kicinski
|
35c2c39832 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes in preparation for the net-next PR. Conflicts: include/net/sch_generic.h |
||
Asbjørn Sloth Tønnesen
|
121f416756 |
tools: ynl: add sample for wireguard
Add a sample application for WireGuard, using the generated C library.
The main benefit of this is to exercise the generated library,
which might be useful for future self-tests.
Example:
$ make -C tools/net/ynl/lib
$ make -C tools/net/ynl/generated
$ make -C tools/net/ynl/tests wireguard
$ ./tools/net/ynl/tests/wireguard
usage: ./tools/net/ynl/tests/wireguard <ifindex|ifname>
$ sudo ./tools/net/ynl/tests/wireguard wg-test
Interface 3: wg-test
Peer 6adfb183a4a2c94a2f92dab5ade762a4788[...]:
Data: rx: 42 / tx: 42 bytes
Allowed IPs:
0.0.0.0/0
::/0
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Link: https://patch.msgid.link/20260414153944.2742252-3-Jason@zx2c4.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
||
|
Linus Torvalds
|
f21f7b5162 |
Update to the VDSO subsystem:
- Make the handling of compat functions consistent and more robust
- Rework the underlying data store so that it is dynamically
allocated, which allows the conversion of the last holdout SPARC64
to the generic VDSO implementation
- Rework the SPARC64 VDSO to utilize the generic implementation
- Mop up the left overs of the non-generic VDSO support in the core
code.
- Expand the VDSO selftest and make them more robust
- Allow time namespaces to be enabled independently of the generic
VDSO support, which was not possible before due to SPARC64 not
using it.
- Various cleanups and improvements in the related code.
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Merge tag 'timers-vdso-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull vdso updates from Thomas Gleixner:
- Make the handling of compat functions consistent and more robust
- Rework the underlying data store so that it is dynamically allocated,
which allows the conversion of the last holdout SPARC64 to the
generic VDSO implementation
- Rework the SPARC64 VDSO to utilize the generic implementation
- Mop up the left overs of the non-generic VDSO support in the core
code
- Expand the VDSO selftest and make them more robust
- Allow time namespaces to be enabled independently of the generic VDSO
support, which was not possible before due to SPARC64 not using it
- Various cleanups and improvements in the related code
* tag 'timers-vdso-2026-04-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (51 commits)
timens: Use task_lock guard in timens_get*()
timens: Use mutex guard in proc_timens_set_offset()
timens: Simplify some calls to put_time_ns()
timens: Add a __free() wrapper for put_time_ns()
timens: Remove dependency on the vDSO
vdso/timens: Move functions to new file
selftests: vDSO: vdso_test_correctness: Add a test for time()
selftests: vDSO: vdso_test_correctness: Use facilities from parse_vdso.c
selftests: vDSO: vdso_test_correctness: Handle different tv_usec types
selftests: vDSO: vdso_test_correctness: Drop SYS_getcpu fallbacks
selftests: vDSO: vdso_test_gettimeofday: Remove nolibc checks
Revert "selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headers"
random: vDSO: Remove ifdeffery
random: vDSO: Trim vDSO includes
vdso/datapage: Trim down unnecessary includes
vdso/datapage: Remove inclusion of gettimeofday.h
vdso/helpers: Explicitly include vdso/processor.h
vdso/gettimeofday: Add explicit includes
random: vDSO: Add explicit includes
MIPS: vdso: Explicitly include asm/vdso/vdso.h
...
|
||
|
Linus Torvalds
|
5d0d362330 |
Kbuild/Kconfig updates for 7.1
Kbuild changes
==============
* tools/build: Reject unexpected values for LLVM=
* kbuild: uapi: remove usage of toolchain headers
* kbuild: Switch from '-fms-extensions' to '-fms-anonymous-structs'
when available (currently: clang >= 23.0.0)
* kbuild: Reduce the number of compiler-generated suffixes for clang
thin-lto build
* kbuild: reduce output spam ("GEN Makefile") when building out of tree
* check-uapi: improve portability for testing headers
* uapi: also test UAPI headers against C++ compilers
* kbuild: vdso_install: drop build ID architecture allow-list
* checksyscalls: only run when necessary
* Documentation: kbuild: Update the debug information notes in
reproducible-builds.rst
* kconfig: forbid multiple entries with the same symbol in a choice
* kbuild: expand inlining hints with -fdiagnostics-show-inlining-chain
Kconfig changes
===============
* kconfig: Error out on duplicated kconfig inclusion
Cc: Alexander Coffin <alex@cyberialabs.net>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Bill Wendling <morbo@google.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Dodji Seketeli <dodji@seketeli.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Helge Deller <deller@gmx.de>
Cc: John Moon <john@jmoon.dev>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: Justin Stitt <justinstitt@google.com>
Cc: Kees Cook <kees@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <nick.desaulniers+lkml@gmail.com>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: Song Liu <song@kernel.org>
Cc: Thomas Weißschuh <linux@weissschuh.net>
Cc: Yonghong Song <yonghong.song@linux.dev>
Cc: kernel-team@fb.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-efi@vger.kernel.org
Cc: linux-hexagon@vger.kernel.org
Cc: linux-kbuild@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-parisc@vger.kernel.org
Cc: linux-s390@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: llvm@lists.linux.dev
Cc: loongarch@lists.linux.dev
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Merge tag 'kbuild-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux
Pull Kbuild/Kconfig updates from Nicolas Schier:
"Kbuild:
- reject unexpected values for LLVM=
- uapi: remove usage of toolchain headers
- switch from '-fms-extensions' to '-fms-anonymous-structs' when
available (currently: clang >= 23.0.0)
- reduce the number of compiler-generated suffixes for clang thin-lto
build
- reduce output spam ("GEN Makefile") when building out of tree
- improve portability for testing headers
- also test UAPI headers against C++ compilers
- drop build ID architecture allow-list in vdso_install
- only run checksyscalls when necessary
- update the debug information notes in reproducible-builds.rst
- expand inlining hints with -fdiagnostics-show-inlining-chain
Kconfig:
- forbid multiple entries with the same symbol in a choice
- error out on duplicated kconfig inclusion"
* tag 'kbuild-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kbuild/linux: (35 commits)
kbuild: expand inlining hints with -fdiagnostics-show-inlining-chain
kconfig: forbid multiple entries with the same symbol in a choice
Documentation: kbuild: Update the debug information notes in reproducible-builds.rst
checksyscalls: move instance functionality into generic code
checksyscalls: only run when necessary
checksyscalls: fail on all intermediate errors
checksyscalls: move path to reference table to a variable
kbuild: vdso_install: drop build ID architecture allow-list
kbuild: vdso_install: gracefully handle images without build ID
kbuild: vdso_install: hide readelf warnings
kbuild: vdso_install: split out the readelf invocation
kbuild: uapi: also test UAPI headers against C++ compilers
kbuild: uapi: provide a C++ compatible dummy definition of NULL
kbuild: uapi: handle UML in architecture-specific exclusion lists
kbuild: uapi: move all include path flags together
kbuild: uapi: move some compiler arguments out of the command definition
check-uapi: use dummy libc includes
check-uapi: honor ${CROSS_COMPILE} setting
check-uapi: link into shared objects
kbuild: reduce output spam when building out of tree
...
|
||
|
Linus Torvalds
|
5181afcdf9 |
A busier cycle than I had expected for docs, including:
- Translations: some overdue updates to the Japanese translations, Chinese
translations for some of the Rust documentation, and the beginnings of a
Portuguese translation.
- New documents covering CPU isolation, managed interrupts, debugging
Python gbb scripts, and more.
- More tooling work from Mauro, reducing docs-build warnings, adding self
tests, improving man-page output, bringing in a proper C tokenizer to
replace (some of) the mess of kernel-doc regexes, and more.
- Update and synchronize changes.rst and scripts/ver_linux, and put both
into alphabetical order.
...and a long list of documentation updates, typo fixes, and general
improvements.
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Merge tag 'docs-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux
Pull documentation updates from Jonathan Corbet:
"A busier cycle than I had expected for docs, including:
- Translations: some overdue updates to the Japanese translations,
Chinese translations for some of the Rust documentation, and the
beginnings of a Portuguese translation.
- New documents covering CPU isolation, managed interrupts, debugging
Python gbb scripts, and more.
- More tooling work from Mauro, reducing docs-build warnings, adding
self tests, improving man-page output, bringing in a proper C
tokenizer to replace (some of) the mess of kernel-doc regexes, and
more.
- Update and synchronize changes.rst and scripts/ver_linux, and put
both into alphabetical order.
... and a long list of documentation updates, typo fixes, and general
improvements"
* tag 'docs-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux: (162 commits)
Documentation: core-api: real-time: correct spelling
doc: Add CPU Isolation documentation
Documentation: Add managed interrupts
Documentation: seq_file: drop 2.6 reference
docs/zh_CN: update rust/index.rst translation
docs/zh_CN: update rust/quick-start.rst translation
docs/zh_CN: update rust/coding-guidelines.rst translation
docs/zh_CN: update rust/arch-support.rst translation
docs/zh_CN: sync process/2.Process.rst with English version
docs/zh_CN: fix an inconsistent statement in dev-tools/testing-overview
tracing: Documentation: Update histogram-design.rst for fn() handling
docs: sysctl: Add documentation for /proc/sys/xen/
Docs: hid: intel-ish-hid: make long URL usable
Documentation/kernel-parameters: fix architecture alignment for pt, nopt, and nobypass
sched/doc: Update yield_task description in sched-design-CFS
Documentation/rtla: Convert links to RST format
docs: fix typos and duplicated words across documentation
docs: fix typo in zoran driver documentation
docs: add an Assisted-by mention to submitting-patches.rst
Revert "scripts/checkpatch: add Assisted-by: tag validation"
...
|
||
Daniel Borkmann
|
1e822171ba |
selftests/net: Add additional test coverage in nk_qlease
Add further netkit queue-lease coverage for netns lifecycle of the guest and physical halves, channel resize across active leases, single-device and multi-lessee scenarios, L3 mode operation, lease capacity exhaustion, and corner-cases of e.g. queue-create rejection paths. Also make the tests more robust by removing the time.sleep(0.1) after netns deletion and turn them into a wait loop. Full test run: # ./nk_qlease.py TAP version 13 1..45 ok 1 nk_qlease.test_remove_phys ok 2 nk_qlease.test_double_lease ok 3 nk_qlease.test_virtual_lessor ok 4 nk_qlease.test_phys_lessee ok 5 nk_qlease.test_different_lessors ok 6 nk_qlease.test_queue_out_of_range ok 7 nk_qlease.test_resize_leased ok 8 nk_qlease.test_self_lease ok 9 nk_qlease.test_create_tx_type ok 10 nk_qlease.test_create_primary ok 11 nk_qlease.test_create_limit ok 12 nk_qlease.test_link_flap_phys ok 13 nk_qlease.test_queue_get_virtual ok 14 nk_qlease.test_remove_virt_first ok 15 nk_qlease.test_multiple_leases ok 16 nk_qlease.test_lease_queue_tx_type ok 17 nk_qlease.test_invalid_netns ok 18 nk_qlease.test_invalid_phys_ifindex ok 19 nk_qlease.test_multi_netkit_remove_phys ok 20 nk_qlease.test_single_remove_phys ok 21 nk_qlease.test_link_flap_virt ok 22 nk_qlease.test_phys_queue_no_lease ok 23 nk_qlease.test_same_ns_lease ok 24 nk_qlease.test_resize_after_unlease ok 25 nk_qlease.test_lease_queue_zero ok 26 nk_qlease.test_release_and_reuse ok 27 nk_qlease.test_veth_queue_create ok 28 nk_qlease.test_two_netkits_same_queue ok 29 nk_qlease.test_l3_mode_lease ok 30 nk_qlease.test_single_double_lease ok 31 nk_qlease.test_single_different_lessors ok 32 nk_qlease.test_cross_ns_netns_id ok 33 nk_qlease.test_delete_guest_netns ok 34 nk_qlease.test_move_guest_netns ok 35 nk_qlease.test_resize_phys_no_reduction ok 36 nk_qlease.test_delete_one_netkit_of_two ok 37 nk_qlease.test_bind_rx_leased_phys_queue ok 38 nk_qlease.test_resize_phys_shrink_past_leased ok 39 nk_qlease.test_resize_virt_not_supported ok 40 nk_qlease.test_lease_devices_down ok 41 nk_qlease.test_lease_capacity_exhaustion ok 42 nk_qlease.test_resize_phys_up ok 43 nk_qlease.test_multi_ns_lease ok 44 nk_qlease.test_multi_ns_delete_one ok 45 nk_qlease.test_move_phys_netns # Totals: pass:45 fail:0 xfail:0 xpass:0 skip:0 error:0 Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://patch.msgid.link/20260413220809.604592-4-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
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Daniel Borkmann
|
e254ffb950 |
selftests/net: Split netdevsim tests from HW tests in nk_qlease
As pointed out in |
||
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Daniel Borkmann
|
4a6fe5fe60 |
tools/ynl: Make YnlFamily closeable as a context manager
YnlFamily opens an AF_NETLINK socket in __init__ but has no way to release it other than leaving it to the GC. YnlFamily holds a self reference cycle through SpecFamily's self.family = self in its super().__init__() call, so refcount GC cannot reclaim it and the socket stays open until the cyclic GC runs. If a test creates a guest netns, instantiates a YnlFamily inside it via NetNSEnter(), performs some test case work via Ynl, and then deletes the netns, then the 'ip netns del' only drops the mount binding and cleanup_net in the kernel never runs, so any subsequent test case assertions that objects got cleaned up would fail given this only gets triggered later via cyclic GC run. Add an explicit close() that closes the netlink socket and wire up the __enter__/__exit__ so callers can scope the instance deterministically via 'with YnlFamily(...) as ynl: ...'. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://patch.msgid.link/20260413220809.604592-2-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
||
Jiayuan Chen
|
8dd1bdde38 |
selftests/bpf: add test for xdp_master_redirect with bond not up
Add a selftest that reproduces the null-ptr-deref in bond_rr_gen_slave_id() when XDP redirect targets a bond device in round-robin mode that was never brought up. The test verifies the fix by ensuring no crash occurs. Test setup: - bond0: active-backup mode, UP, with native XDP (enables bpf_master_redirect_enabled_key globally) - bond1: round-robin mode, never UP - veth1: slave of bond1, with generic XDP (XDP_TX) - BPF_PROG_TEST_RUN with live frames triggers the redirect path Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev> Link: https://patch.msgid.link/20260411005524.201200-3-jiayuan.chen@linux.dev Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
||
Christian Brauner
|
cad3bf1c33 |
selftests/namespaces: remove unused utils.h include from listns_efault_test
Remove the inclusion of ../filesystems/utils.h from listns_efault_test.c.
The test doesn't use any symbols from that header. Including it alongside
../pidfd/pidfd.h causes a build failure because both headers define
wait_for_pid() with conflicting linkage:
../filesystems/utils.h: extern int wait_for_pid(pid_t pid);
../pidfd/pidfd.h: static inline int wait_for_pid(pid_t pid)
All symbols the test actually uses (create_child, read_nointr,
write_nointr, sys_pidfd_send_signal) come from pidfd.h.
Reported-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/all/acPV19IY3Gna6Ira@sirena.org.uk
Fixes:
|
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Christian Brauner
|
660c09404c |
selftests/fsmount_ns: add missing TARGETS and fix cap test
Add missing top-level kselftest TARGETS entries for empty_mntns and
fsmount_ns so that 'make kselftest' discovers and runs these tests.
Fix requires_cap_sys_admin test which always SKIPped because fsopen()
was called after enter_userns(), where CAP_SYS_ADMIN in the mount
namespace's user_ns is unavailable. Move fsopen/fsconfig before fork so
the configured fs_fd is inherited by the child, which then only needs to
call fsmount() after dropping privileges.
Fixes:
|
||
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Christian Brauner
|
d38aa6cdee |
selftests/empty_mntns: fix wrong CLONE_EMPTY_MNTNS hex value in comment
CLONE_EMPTY_MNTNS is (1ULL << 37) = 0x2000000000ULL, not 0x400000000ULL.
Fixes:
|
||
|
Christian Brauner
|
1a398a2378 |
selftests/empty_mntns: fix statmount_alloc() signature mismatch
empty_mntns.h includes ../statmount/statmount.h which provides a
4-argument statmount_alloc(mnt_id, mnt_ns_id, mask, flags), but then
redefines its own 3-argument version without the flags parameter. This
causes a build failure due to conflicting types.
Remove the duplicate definition from empty_mntns.h and update all
callers to pass 0 for the flags argument.
Fixes:
|
||
|
Christian Brauner
|
a27e464262 |
selftests/statmount: remove duplicate wait_for_pid()
Remove the local static wait_for_pid() definition from
statmount_test_ns.c as it conflicts with the extern declaration in
utils.h. The identical function is already provided by utils.c.
Fixes:
|
||
|
Linus Torvalds
|
1334d2a3b3 |
gpio updates for v7.1-rc1
GPIO core:
- defer probe on software node lookups when the remote software node
exists but has not been registered as a firmware node yet
- unify GPIO hog handling by moving code duplicated in OF and ACPI
modules into GPIO core and allow setting up hogs with software nodes
- allow matching GPIO controllers by secondary firmware node if matching
by primary does not succeed
- demote deferral warnings to debug level as they are quite normal when
using software nodes which don't support fw_devlink yet
- disable the legacy GPIO character device uAPI v1 supprt in Kconfig by
default
- rework several core functions in preparation for the upcoming Revocable
helper library for protecting resources against sudden removal, this
reduces the number of SRCU dereferences in GPIO core
- simplify file descriptor logic in GPIO character device code by using
FD_PREPARE()
- introduce a header defining symbols used by both GPIO consumers and
providers to avoid having to include provider-specific headers from
drivers which only consume GPIOs
- replace snprintf() with strscpy() where formatting is not required
New drivers:
- add the gpio-by-pinctrl generic driver using the ARM SCMI protocol to
control GPIOs (along with SCMI changes pulled from the pinctrl tree)
- add a driver providing support for handling of platform events via
GPIO-signalled ACPI events (used on Intel Nova Lake and later platforms)
Driver changes:
- extend the gpio-kempld driver with support for more recent models,
interrupts and setting/getting multiple values at once
- improve interrupt handling in gpio-brcmstb
- add support for multi-SoC systems in gpio-tegra186
- make sure we return correct values from the .get() callbacks in several
GPIO drivers by normalizing any values other than 0, 1 or negative error
numbers
- use flexible arrays in several drivers to reduce the number of required
memory allocations
- simplify synchronous waiting for virtual drivers to probe and remove the
dedicated, a bit overengineered helper library dev-sync-probe
- remove unneeded Kconfig dependencies on OF_GPIO in several drivers and
subsystems
- convert the two remaining users of of_get_named_gpio() to using GPIO
descriptors and remove the (no longer used) function along with the
header that declares it
- add missing includes in gpio-mmio
- shrink and simplify code in gpio-max732x by using guard(mutex)
- remove duplicated code handling the 'ngpios' property from gpio-ts4800,
it's already handled in GPIO core
- use correct variable type in gpio-aspeed
- add support for a new model in gpio-realtek-otto
- allow to specify the active-low setting of simulated hogs over the
configfs interface (in addition to existing devicetree support) in
gpio-sim
Bug fixes:
- clear the OF_POPULATED flag on hog nodes in GPIO chip remove path on
OF systems
- fix resource leaks in error path in gpiochip_add_data_with_key()
- drop redundant device reference in gpio-mpsse
Tests:
- add selftests for use-after-free cases in GPIO character device code
DT bindings:
- add a DT binding document for SCMI based, gpio-over-pinctrl devices
- fix interrupt description in microchip,mpfs-gpio
- add new compatible for gpio-realtek-otto
- describe the resets of the mpfs-gpio controller
- fix maintainer's email in gpio-delay bindings
- remove the binding document for cavium,thunder-8890 as the corresponding
device is bound over PCI and not firmware nodes
Documentation:
- update the recommended way of converting legacy boards to using software
nodes for GPIO description
- describe GPIO line value semantics
- misc updates to kerneldocs
Misc:
- convert OMAP1 ams-delta board to using GPIO hogs described with software
nodes
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Merge tag 'gpio-updates-for-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio updates from Bartosz Golaszewski:
"For this merge window we have two new drivers: support for
GPIO-signalled ACPI events on Intel platforms and a generic
GPIO-over-pinctrl driver using the ARM SCMI protocol for
controlling pins.
Several things have been reworked in GPIO core: we unduplicated GPIO
hog handling, reduced the number of SRCU locks and dereferences,
improved support for software-node-based lookup and removed more
legacy code after converting remaining users to modern alternatives.
There's also a number of driver reworks and refactoring, documentation
updates, some bug-fixes and new tests.
GPIO core:
- defer probe on software node lookups when the remote software node
exists but has not been registered as a firmware node yet
- unify GPIO hog handling by moving code duplicated in OF and ACPI
modules into GPIO core and allow setting up hogs with software
nodes
- allow matching GPIO controllers by secondary firmware node if
matching by primary does not succeed
- demote deferral warnings to debug level as they are quite normal
when using software nodes which don't support fw_devlink yet
- disable the legacy GPIO character device uAPI v1 supprt in Kconfig
by default
- rework several core functions in preparation for the upcoming
Revocable helper library for protecting resources against sudden
removal, this reduces the number of SRCU dereferences in GPIO core
- simplify file descriptor logic in GPIO character device code by
using FD_PREPARE()
- introduce a header defining symbols used by both GPIO consumers and
providers to avoid having to include provider-specific headers from
drivers which only consume GPIOs
- replace snprintf() with strscpy() where formatting is not required
New drivers:
- add the gpio-by-pinctrl generic driver using the ARM SCMI protocol
to control GPIOs (along with SCMI changes pulled from the pinctrl
tree)
- add a driver providing support for handling of platform events via
GPIO-signalled ACPI events (used on Intel Nova Lake and later
platforms)
Driver changes:
- extend the gpio-kempld driver with support for more recent models,
interrupts and setting/getting multiple values at once
- improve interrupt handling in gpio-brcmstb
- add support for multi-SoC systems in gpio-tegra186
- make sure we return correct values from the .get() callbacks in
several GPIO drivers by normalizing any values other than 0, 1 or
negative error numbers
- use flexible arrays in several drivers to reduce the number of
required memory allocations
- simplify synchronous waiting for virtual drivers to probe and
remove the dedicated, a bit overengineered helper library
dev-sync-probe
- remove unneeded Kconfig dependencies on OF_GPIO in several drivers
and subsystems
- convert the two remaining users of of_get_named_gpio() to using
GPIO descriptors and remove the (no longer used) function along
with the header that declares it
- add missing includes in gpio-mmio
- shrink and simplify code in gpio-max732x by using guard(mutex)
- remove duplicated code handling the 'ngpios' property from
gpio-ts4800, it's already handled in GPIO core
- use correct variable type in gpio-aspeed
- add support for a new model in gpio-realtek-otto
- allow to specify the active-low setting of simulated hogs over the
configfs interface (in addition to existing devicetree support) in
gpio-sim
Bug fixes:
- clear the OF_POPULATED flag on hog nodes in GPIO chip remove path
on OF systems
- fix resource leaks in error path in gpiochip_add_data_with_key()
- drop redundant device reference in gpio-mpsse
Tests:
- add selftests for use-after-free cases in GPIO character device
code
DT bindings:
- add a DT binding document for SCMI based, gpio-over-pinctrl devices
- fix interrupt description in microchip,mpfs-gpio
- add new compatible for gpio-realtek-otto
- describe the resets of the mpfs-gpio controller
- fix maintainer's email in gpio-delay bindings
- remove the binding document for cavium,thunder-8890 as the
corresponding device is bound over PCI and not firmware nodes
Documentation:
- update the recommended way of converting legacy boards to using
software nodes for GPIO description
- describe GPIO line value semantics
- misc updates to kerneldocs
Misc:
- convert OMAP1 ams-delta board to using GPIO hogs described with
software nodes"
* tag 'gpio-updates-for-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: (79 commits)
gpio: swnode: defer probe on references to unregistered software nodes
dt-bindings: gpio: cavium,thunder-8890: Remove DT binding
Documentation: gpio: update the preferred method for using software node lookup
gpio: gpio-by-pinctrl: s/used to do/is used to do/
gpio: aspeed: fix unsigned long int declaration
gpio: rockchip: convert to dynamic GPIO base allocation
gpio: remove dev-sync-probe
gpio: virtuser: stop using dev-sync-probe
gpio: aggregator: stop using dev-sync-probe
gpio: sim: stop using dev-sync-probe
gpio: Add Intel Nova Lake ACPI GPIO events driver
gpiolib: Make deferral warnings debug messages
gpiolib: fix hogs with multiple lines
gpio: fix up CONFIG_OF dependencies
gpio: gpio-by-pinctrl: add pinctrl based generic GPIO driver
gpio: dt-bindings: Add GPIO on top of generic pin control
firmware: arm_scmi: Allow PINCTRL_REQUEST to return EOPNOTSUPP
pinctrl: scmi: ignore PIN_CONFIG_PERSIST_STATE
pinctrl: scmi: Delete PIN_CONFIG_OUTPUT_IMPEDANCE_OHMS support
pinctrl: scmi: Add SCMI_PIN_INPUT_VALUE
...
|
||
|
Linus Torvalds
|
d7c8087a9c |
Power management updates for 7.1-rc1
- Update qcom-hw DT bindings to include Eliza hardware (Abel Vesa)
- Update cpufreq-dt-platdev blocklist (Faruque Ansari)
- Minor updates to driver and dt-bindings for Tegra (Thierry Reding,
Rosen Penev)
- Add MAINTAINERS entry for CPPC driver (Viresh Kumar)
- Add support for new features: CPPC performance priority, Dynamic EPP,
Raw EPP, and new unit tests for them to amd-pstate (Gautham Shenoy,
Mario Limonciello)
- Fix sysfs files being present when HW missing and broken/outdated
documentation in the amd-pstate driver (Ninad Naik, Gautham Shenoy)
- Pass the policy to cpufreq_driver->adjust_perf() to avoid using
cpufreq_cpu_get() in the .adjust_perf() callback in amd-pstate which
leads to a scheduling-while-atomic bug (K Prateek Nayak)
- Clean up dead code in Kconfig for cpufreq (Julian Braha)
- Remove max_freq_req update for pre-existing cpufreq policy and add a
boost_freq_req QoS request to save the boost constraint instead of
overwriting the last scaling_max_freq constraint (Pierre Gondois)
- Embed cpufreq QoS freq_req objects in cpufreq policy so they all
are allocated in one go along with the policy to simplify lifetime
rules and avoid error handling issues (Viresh Kumar)
- Use DMI max speed when CPPC is unavailable in the acpi-cpufreq
scaling driver (Henry Tseng)
- Switch policy_is_shared() in cpufreq to using cpumask_nth() instead
of cpumask_weight() because the former is more efficient (Yury Norov)
- Use sysfs_emit() in sysfs show functions for cpufreq governor
attributes (Thorsten Blum)
- Update intel_pstate to stop returning an error when "off" is written
to its status sysfs attribute while the driver is already off (Fabio
De Francesco)
- Include current frequency in the debug message printed by
__cpufreq_driver_target() (Pengjie Zhang)
- Refine stopped tick handling in the menu cpuidle governor and
rearrange stopped tick handling in the teo cpuidle governor (Rafael
Wysocki)
- Add Panther Lake C-states table to the intel_idle driver (Artem
Bityutskiy)
- Clean up dead dependencies on CPU_IDLE in Kconfig (Julian Braha)
- Simplify cpuidle_register_device() with guard() (Huisong Li)
- Use performance level if available to distinguish between rates in
OPP debugfs (Manivannan Sadhasivam)
- Fix scoped_guard in dev_pm_opp_xlate_required_opp() (Viresh Kumar)
- Return -ENODATA if the snapshot image is not loaded (Alberto Garcia)
- Remove inclusion of crypto/hash.h from hibernate_64.c on x86 (Eric
Biggers)
- Clean up and rearrange the intel_rapl power capping driver to make
the respective interface drivers (TPMI, MSR, and MMOI) hold their
own settings and primitives and consolidate PL4 and PMU support
flags into rapl_defaults (Kuppuswamy Sathyanarayanan)
- Correct kernel-doc function parameter names in the power capping core
code (Randy Dunlap)
- Remove unneeded casting for HZ_PER_KHZ in devfreq (Andy Shevchenko)
- Use _visible attribute to replace create/remove_sysfs_files() in
devfreq (Pengjie Zhang)
- Add Tegra114 support to activity monitor device in tegra30-devfreq as
a preparation to upcoming EMC controller support (Svyatoslav Ryhel)
- Fix mistakes in cpupower man pages, add the boost and epp options to
the cpupower-frequency-info man page, and add the perf-bias option to
the cpupower-info man page (Roberto Ricci)
- Remove unnecessary extern declarations from getopt.h in arguments
parsing functions in cpufreq-set, cpuidle-info, cpuidle-set,
cpupower-info, and cpupower-set utilities (Kaushlendra Kumar)
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Merge tag 'pm-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"Once again, cpufreq is the most active development area, mostly
because of the new feature additions and documentation updates in the
amd-pstate driver, but there are also changes in the cpufreq core
related to boost support and other assorted updates elsewhere.
Next up are power capping changes due to the major cleanup of the
Intel RAPL driver.
On the cpuidle front, a new C-states table for Intel Panther Lake is
added to the intel_idle driver, the stopped tick handling in the menu
and teo governors is updated, and there are a couple of cleanups.
Apart from the above, support for Tegra114 is added to devfreq and
there are assorted cleanups of that code, there are also two updates
of the operating performance points (OPP) library, two minor updates
related to hibernation, and cpupower utility man pages updates and
cleanups.
Specifics:
- Update qcom-hw DT bindings to include Eliza hardware (Abel Vesa)
- Update cpufreq-dt-platdev blocklist (Faruque Ansari)
- Minor updates to driver and dt-bindings for Tegra (Thierry Reding,
Rosen Penev)
- Add MAINTAINERS entry for CPPC driver (Viresh Kumar)
- Add support for new features: CPPC performance priority, Dynamic
EPP, Raw EPP, and new unit tests for them to amd-pstate (Gautham
Shenoy, Mario Limonciello)
- Fix sysfs files being present when HW missing and broken/outdated
documentation in the amd-pstate driver (Ninad Naik, Gautham Shenoy)
- Pass the policy to cpufreq_driver->adjust_perf() to avoid using
cpufreq_cpu_get() in the .adjust_perf() callback in amd-pstate
which leads to a scheduling-while-atomic bug (K Prateek Nayak)
- Clean up dead code in Kconfig for cpufreq (Julian Braha)
- Remove max_freq_req update for pre-existing cpufreq policy and add
a boost_freq_req QoS request to save the boost constraint instead
of overwriting the last scaling_max_freq constraint (Pierre
Gondois)
- Embed cpufreq QoS freq_req objects in cpufreq policy so they all
are allocated in one go along with the policy to simplify lifetime
rules and avoid error handling issues (Viresh Kumar)
- Use DMI max speed when CPPC is unavailable in the acpi-cpufreq
scaling driver (Henry Tseng)
- Switch policy_is_shared() in cpufreq to using cpumask_nth() instead
of cpumask_weight() because the former is more efficient (Yury
Norov)
- Use sysfs_emit() in sysfs show functions for cpufreq governor
attributes (Thorsten Blum)
- Update intel_pstate to stop returning an error when "off" is
written to its status sysfs attribute while the driver is already
off (Fabio De Francesco)
- Include current frequency in the debug message printed by
__cpufreq_driver_target() (Pengjie Zhang)
- Refine stopped tick handling in the menu cpuidle governor and
rearrange stopped tick handling in the teo cpuidle governor (Rafael
Wysocki)
- Add Panther Lake C-states table to the intel_idle driver (Artem
Bityutskiy)
- Clean up dead dependencies on CPU_IDLE in Kconfig (Julian Braha)
- Simplify cpuidle_register_device() with guard() (Huisong Li)
- Use performance level if available to distinguish between rates in
OPP debugfs (Manivannan Sadhasivam)
- Fix scoped_guard in dev_pm_opp_xlate_required_opp() (Viresh Kumar)
- Return -ENODATA if the snapshot image is not loaded (Alberto
Garcia)
- Remove inclusion of crypto/hash.h from hibernate_64.c on x86 (Eric
Biggers)
- Clean up and rearrange the intel_rapl power capping driver to make
the respective interface drivers (TPMI, MSR, and MMOI) hold their
own settings and primitives and consolidate PL4 and PMU support
flags into rapl_defaults (Kuppuswamy Sathyanarayanan)
- Correct kernel-doc function parameter names in the power capping
core code (Randy Dunlap)
- Remove unneeded casting for HZ_PER_KHZ in devfreq (Andy Shevchenko)
- Use _visible attribute to replace create/remove_sysfs_files() in
devfreq (Pengjie Zhang)
- Add Tegra114 support to activity monitor device in tegra30-devfreq
as a preparation to upcoming EMC controller support (Svyatoslav
Ryhel)
- Fix mistakes in cpupower man pages, add the boost and epp options
to the cpupower-frequency-info man page, and add the perf-bias
option to the cpupower-info man page (Roberto Ricci)
- Remove unnecessary extern declarations from getopt.h in arguments
parsing functions in cpufreq-set, cpuidle-info, cpuidle-set,
cpupower-info, and cpupower-set utilities (Kaushlendra Kumar)"
* tag 'pm-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
cpufreq/amd-pstate: Add POWER_SUPPLY select for dynamic EPP
cpupower: remove extern declarations in cmd functions
cpuidle: Simplify cpuidle_register_device() with guard()
PM / devfreq: tegra30-devfreq: add support for Tegra114
PM / devfreq: use _visible attribute to replace create/remove_sysfs_files()
PM / devfreq: Remove unneeded casting for HZ_PER_KHZ
MAINTAINERS: amd-pstate: Step down as maintainer, add Prateek as reviewer
cpufreq: Pass the policy to cpufreq_driver->adjust_perf()
cpufreq/amd-pstate: Pass the policy to amd_pstate_update()
cpufreq/amd-pstate-ut: Add a unit test for raw EPP
cpufreq/amd-pstate: Add support for raw EPP writes
cpufreq/amd-pstate: Add support for platform profile class
cpufreq/amd-pstate: add kernel command line to override dynamic epp
cpufreq/amd-pstate: Add dynamic energy performance preference
Documentation: amd-pstate: fix dead links in the reference section
cpufreq/amd-pstate: Cache the max frequency in cpudata
Documentation/amd-pstate: Add documentation for amd_pstate_floor_{freq,count}
Documentation/amd-pstate: List amd_pstate_prefcore_ranking sysfs file
Documentation/amd-pstate: List amd_pstate_hw_prefcore sysfs file
amd-pstate-ut: Add a testcase to validate the visibility of driver attributes
...
|
||
|
Linus Torvalds
|
4793dae01f |
Driver core changes for 7.1-rc1
- debugfs:
- Fix NULL pointer dereference in debugfs_create_str()
- Fix misplaced EXPORT_SYMBOL_GPL for debugfs_create_str()
- Fix soundwire debugfs NULL pointer dereference from uninitialized
firmware_file
- device property:
- Make fwnode flags modifications thread safe; widen the field to
unsigned long and use set_bit() / clear_bit() based accessors
- Document how to check for the property presence
- devres:
- Separate struct devres_node from its "subclasses" (struct devres,
struct devres_group); give struct devres_node its own release and
free callbacks for per-type dispatch
- Introduce struct devres_action for devres actions, avoiding the
ARCH_DMA_MINALIGN alignment overhead of struct devres
- Export struct devres_node and its init/add/remove/dbginfo
primitives for use by Rust Devres<T>
- Fix missing node debug info in devm_krealloc()
- Use guard(spinlock_irqsave) where applicable; consolidate unlock
paths in devres_release_group()
- driver_override:
- Convert PCI, WMI, vdpa, s390/cio, s390/ap, and fsl-mc to the
generic driver_override infrastructure, replacing per-bus
driver_override strings, sysfs attributes, and match logic; fixes
a potential UAF from unsynchronized access to driver_override in
bus match() callbacks
- Simplify __device_set_driver_override() logic
- kernfs:
- Send IN_DELETE_SELF and IN_IGNORED inotify events on kernfs
file and directory removal
- Add corresponding selftests for memcg
- platform:
- Allow attaching software nodes when creating platform devices via
a new 'swnode' field in struct platform_device_info
- Add kerneldoc for struct platform_device_info
- software node:
- Move software node initialization from postcore_initcall() to
driver_init(), making it available early in the boot process
- Move kernel_kobj initialization (ksysfs_init) earlier to support
the above
- Remove software_node_exit(); dead code in a built-in unit
- SoC:
- Introduce of_machine_read_compatible() and of_machine_read_model()
OF helpers and export soc_attr_read_machine() to replace direct
accesses to of_root from SoC drivers; also enables
CONFIG_COMPILE_TEST coverage for these drivers
- sysfs:
- Constify attribute group array pointers to
'const struct attribute_group *const *' in sysfs functions,
device_add_groups() / device_remove_groups(), and struct class
- Rust:
- Devres:
- Embed struct devres_node directly in Devres<T> instead of going
through devm_add_action(), avoiding the extra allocation and
the unnecessary ARCH_DMA_MINALIGN alignment
- I/O:
- Turn IoCapable from a marker trait into a functional trait
carrying the raw I/O accessor implementation (io_read /
io_write), providing working defaults for the per-type Io
methods
- Add RelaxedMmio wrapper type, making relaxed accessors usable
in code generic over the Io trait
- Remove overloaded per-type Io methods and per-backend macros
from Mmio and PCI ConfigSpace
- I/O (Register):
- Add IoLoc trait and generic read/write/update methods to the Io
trait, making I/O operations parameterizable by typed locations
- Add register! macro for defining hardware register types with
typed bitfield accessors backed by Bounded values; supports
direct, relative, and array register addressing
- Add write_reg() / try_write_reg() and LocatedRegister trait
- Update PCI sample driver to demonstrate the register! macro
Example:
```
register! {
/// UART control register.
CTRL(u32) @ 0x18 {
/// Receiver enable.
19:19 rx_enable => bool;
/// Parity configuration.
14:13 parity ?=> Parity;
}
/// FIFO watermark and counter register.
WATER(u32) @ 0x2c {
/// Number of datawords in the receive FIFO.
26:24 rx_count;
/// RX interrupt threshold.
17:16 rx_water;
}
}
impl WATER {
fn rx_above_watermark(&self) -> bool {
self.rx_count() > self.rx_water()
}
}
fn init(bar: &pci::Bar<BAR0_SIZE>) {
let water = WATER::zeroed()
.with_const_rx_water::<1>(); // > 3 would not compile
bar.write_reg(water);
let ctrl = CTRL::zeroed()
.with_parity(Parity::Even)
.with_rx_enable(true);
bar.write_reg(ctrl);
}
fn handle_rx(bar: &pci::Bar<BAR0_SIZE>) {
if bar.read(WATER).rx_above_watermark() {
// drain the FIFO
}
}
fn set_parity(bar: &pci::Bar<BAR0_SIZE>, parity: Parity) {
bar.update(CTRL, |r| r.with_parity(parity));
}
```
- IRQ:
- Move 'static bounds from where clauses to trait declarations
for IRQ handler traits
- Misc:
- Enable the generic_arg_infer Rust feature
- Extend Bounded with shift operations, single-bit bool conversion,
and const get()
- Misc:
- Make deferred_probe_timeout default a Kconfig option
- Drop auxiliary_dev_pm_ops; the PM core falls back to driver PM
callbacks when no bus type PM ops are set
- Add conditional guard support for device_lock()
- Add ksysfs.c to the DRIVER CORE MAINTAINERS entry
- Fix kernel-doc warnings in base.h
- Fix stale reference to memory_block_add_nid() in documentation
-----BEGIN PGP SIGNATURE-----
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Merge tag 'driver-core-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core
Pull driver core updates from Danilo Krummrich:
"debugfs:
- Fix NULL pointer dereference in debugfs_create_str()
- Fix misplaced EXPORT_SYMBOL_GPL for debugfs_create_str()
- Fix soundwire debugfs NULL pointer dereference from uninitialized
firmware_file
device property:
- Make fwnode flags modifications thread safe; widen the field to
unsigned long and use set_bit() / clear_bit() based accessors
- Document how to check for the property presence
devres:
- Separate struct devres_node from its "subclasses" (struct devres,
struct devres_group); give struct devres_node its own release and
free callbacks for per-type dispatch
- Introduce struct devres_action for devres actions, avoiding the
ARCH_DMA_MINALIGN alignment overhead of struct devres
- Export struct devres_node and its init/add/remove/dbginfo
primitives for use by Rust Devres<T>
- Fix missing node debug info in devm_krealloc()
- Use guard(spinlock_irqsave) where applicable; consolidate unlock
paths in devres_release_group()
driver_override:
- Convert PCI, WMI, vdpa, s390/cio, s390/ap, and fsl-mc to the
generic driver_override infrastructure, replacing per-bus
driver_override strings, sysfs attributes, and match logic; fixes a
potential UAF from unsynchronized access to driver_override in bus
match() callbacks
- Simplify __device_set_driver_override() logic
kernfs:
- Send IN_DELETE_SELF and IN_IGNORED inotify events on kernfs file
and directory removal
- Add corresponding selftests for memcg
platform:
- Allow attaching software nodes when creating platform devices via a
new 'swnode' field in struct platform_device_info
- Add kerneldoc for struct platform_device_info
software node:
- Move software node initialization from postcore_initcall() to
driver_init(), making it available early in the boot process
- Move kernel_kobj initialization (ksysfs_init) earlier to support
the above
- Remove software_node_exit(); dead code in a built-in unit
SoC:
- Introduce of_machine_read_compatible() and of_machine_read_model()
OF helpers and export soc_attr_read_machine() to replace direct
accesses to of_root from SoC drivers; also enables
CONFIG_COMPILE_TEST coverage for these drivers
sysfs:
- Constify attribute group array pointers to
'const struct attribute_group *const *' in sysfs functions,
device_add_groups() / device_remove_groups(), and struct class
Rust:
- Devres:
- Embed struct devres_node directly in Devres<T> instead of going
through devm_add_action(), avoiding the extra allocation and the
unnecessary ARCH_DMA_MINALIGN alignment
- I/O:
- Turn IoCapable from a marker trait into a functional trait
carrying the raw I/O accessor implementation (io_read /
io_write), providing working defaults for the per-type Io
methods
- Add RelaxedMmio wrapper type, making relaxed accessors usable in
code generic over the Io trait
- Remove overloaded per-type Io methods and per-backend macros
from Mmio and PCI ConfigSpace
- I/O (Register):
- Add IoLoc trait and generic read/write/update methods to the Io
trait, making I/O operations parameterizable by typed locations
- Add register! macro for defining hardware register types with
typed bitfield accessors backed by Bounded values; supports
direct, relative, and array register addressing
- Add write_reg() / try_write_reg() and LocatedRegister trait
- Update PCI sample driver to demonstrate the register! macro
Example:
```
register! {
/// UART control register.
CTRL(u32) @ 0x18 {
/// Receiver enable.
19:19 rx_enable => bool;
/// Parity configuration.
14:13 parity ?=> Parity;
}
/// FIFO watermark and counter register.
WATER(u32) @ 0x2c {
/// Number of datawords in the receive FIFO.
26:24 rx_count;
/// RX interrupt threshold.
17:16 rx_water;
}
}
impl WATER {
fn rx_above_watermark(&self) -> bool {
self.rx_count() > self.rx_water()
}
}
fn init(bar: &pci::Bar<BAR0_SIZE>) {
let water = WATER::zeroed()
.with_const_rx_water::<1>(); // > 3 would not compile
bar.write_reg(water);
let ctrl = CTRL::zeroed()
.with_parity(Parity::Even)
.with_rx_enable(true);
bar.write_reg(ctrl);
}
fn handle_rx(bar: &pci::Bar<BAR0_SIZE>) {
if bar.read(WATER).rx_above_watermark() {
// drain the FIFO
}
}
fn set_parity(bar: &pci::Bar<BAR0_SIZE>, parity: Parity) {
bar.update(CTRL, |r| r.with_parity(parity));
}
```
- IRQ:
- Move 'static bounds from where clauses to trait declarations for
IRQ handler traits
- Misc:
- Enable the generic_arg_infer Rust feature
- Extend Bounded with shift operations, single-bit bool
conversion, and const get()
Misc:
- Make deferred_probe_timeout default a Kconfig option
- Drop auxiliary_dev_pm_ops; the PM core falls back to driver PM
callbacks when no bus type PM ops are set
- Add conditional guard support for device_lock()
- Add ksysfs.c to the DRIVER CORE MAINTAINERS entry
- Fix kernel-doc warnings in base.h
- Fix stale reference to memory_block_add_nid() in documentation"
* tag 'driver-core-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/driver-core/driver-core: (67 commits)
bus: fsl-mc: use generic driver_override infrastructure
s390/ap: use generic driver_override infrastructure
s390/cio: use generic driver_override infrastructure
vdpa: use generic driver_override infrastructure
platform/wmi: use generic driver_override infrastructure
PCI: use generic driver_override infrastructure
driver core: make software nodes available earlier
software node: remove software_node_exit()
kernel: ksysfs: initialize kernel_kobj earlier
MAINTAINERS: add ksysfs.c to the DRIVER CORE entry
drivers/base/memory: fix stale reference to memory_block_add_nid()
device property: Document how to check for the property presence
soundwire: debugfs: initialize firmware_file to empty string
debugfs: fix placement of EXPORT_SYMBOL_GPL for debugfs_create_str()
debugfs: check for NULL pointer in debugfs_create_str()
driver core: Make deferred_probe_timeout default a Kconfig option
driver core: simplify __device_set_driver_override() clearing logic
driver core: auxiliary bus: Drop auxiliary_dev_pm_ops
device property: Make modifications of fwnode "flags" thread safe
rust: devres: embed struct devres_node directly
...
|
||
|
Linus Torvalds
|
d568788baa |
hardening updates for v7.1-rc1
- randomize_kstack: Improve implementation across arches (Ryan Roberts) - lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test - refcount: Remove unused __signed_wrap function annotations -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCad16PwAKCRA2KwveOeQk u7crAP4qz8gXCjes76KsZm/YQS8PtOG5JroAVu5Oa4ohw0RfaQD+K/XLow1plcNF 4Bi8zSuv2ifcLysh9qEAbx5+wcHijgo= =woB3 -----END PGP SIGNATURE----- Merge tag 'hardening-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull hardening updates from Kees Cook: - randomize_kstack: Improve implementation across arches (Ryan Roberts) - lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test - refcount: Remove unused __signed_wrap function annotations * tag 'hardening-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: lkdtm/fortify: Drop unneeded FORTIFY_STR_OBJECT test refcount: Remove unused __signed_wrap function annotations randomize_kstack: Unify random source across arches randomize_kstack: Maintain kstack_offset per task |
||
|
Linus Torvalds
|
cea4a90faf |
seccomp update for v7.1-rc1
- selftests: Add hard-coded __NR_uprobe for x86_64 (Oleg Nesterov) -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCad146wAKCRA2KwveOeQk u9LrAP4hemiMrgvEIo2DPVJ8H+QiRZtsJvFLFC/yvdgrllxyUQEA24RjRKXoZcL4 G9hD3FL31MTcbTV9Gdf0bOlLCqqUqg4= =7sDF -----END PGP SIGNATURE----- Merge tag 'seccomp-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull seccomp update from Kees Cook: - selftests: Add hard-coded __NR_uprobe for x86_64 (Oleg Nesterov) * tag 'seccomp-v7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: selftests/seccomp: Add hard-coded __NR_uprobe for x86_64 |
||
|
Linus Torvalds
|
d142ab35ee |
CRC updates for 7.1
- Several improvements related to crc_kunit, to align with the standard KUnit conventions and make it easier for developers and CI systems to run this test suite - Add an arm64-optimized implementation of CRC64-NVME - Remove unused code for big endian arm64 -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCadWAVxQcZWJpZ2dlcnNA a2VybmVsLm9yZwAKCRDzXCl4vpKOK4zEAP9Asz9U6aA8XdlYa66nSORpUz0zQxVL tIvSOaQis6K0LwEAm4xABXc+rrVHqYhePRRqDteAEOzhBOX9mwY8wPjR3Ag= =VknF -----END PGP SIGNATURE----- Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux Pull CRC updates from Eric Biggers: - Several improvements related to crc_kunit, to align with the standard KUnit conventions and make it easier for developers and CI systems to run this test suite - Add an arm64-optimized implementation of CRC64-NVME - Remove unused code for big endian arm64 * tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: lib/crc: arm64: Simplify intrinsics implementation lib/crc: arm64: Use existing macros for kernel-mode FPU cflags lib/crc: arm64: Drop unnecessary chunking logic from crc64 lib/crc: arm64: Assume a little-endian kernel lib/crc: arm64: add NEON accelerated CRC64-NVMe implementation lib/crc: arm64: Drop check for CONFIG_KERNEL_MODE_NEON crypto: crc32c - Remove another outdated comment crypto: crc32c - Remove more outdated usage information kunit: configs: Enable all CRC tests in all_tests.config lib/crc: tests: Add a .kunitconfig file lib/crc: tests: Add CRC_ENABLE_ALL_FOR_KUNIT lib/crc: tests: Make crc_kunit test only the enabled CRC variants |
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Linus Torvalds
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370c388319 |
Crypto library updates for 7.1
- Migrate more hash algorithms from the traditional crypto subsystem
to lib/crypto/.
Like the algorithms migrated earlier (e.g. SHA-*), this simplifies
the implementations, improves performance, enables further
simplifications in calling code, and solves various other issues:
- AES CBC-based MACs (AES-CMAC, AES-XCBC-MAC, and AES-CBC-MAC)
- Support these algorithms in lib/crypto/ using the AES
library and the existing arm64 assembly code
- Reimplement the traditional crypto API's "cmac(aes)",
"xcbc(aes)", and "cbcmac(aes)" on top of the library
- Convert mac80211 to use the AES-CMAC library. Note: several
other subsystems can use it too and will be converted later
- Drop the broken, nonstandard, and likely unused support for
"xcbc(aes)" with key lengths other than 128 bits
- Enable optimizations by default
- GHASH
- Migrate the standalone GHASH code into lib/crypto/
- Integrate the GHASH code more closely with the very similar
POLYVAL code, and improve the generic GHASH implementation
to resist cache-timing attacks and use much less memory
- Reimplement the AES-GCM library and the "gcm" crypto_aead
template on top of the GHASH library. Remove "ghash" from
the crypto_shash API, as it's no longer needed
- Enable optimizations by default
- SM3
- Migrate the kernel's existing SM3 code into lib/crypto/, and
reimplement the traditional crypto API's "sm3" on top of it
- I don't recommend using SM3, but this cleanup is worthwhile
to organize the code the same way as other algorithms
- Testing improvements
- Add a KUnit test suite for each of the new library APIs
- Migrate the existing ChaCha20Poly1305 test to KUnit
- Make the KUnit all_tests.config enable all crypto library tests
- Move the test kconfig options to the Runtime Testing menu
- Other updates to arch-optimized crypto code
- Optimize SHA-256 for Zhaoxin CPUs using the Padlock Hash Engine
- Remove some MD5 implementations that are no longer worth keeping
- Drop big endian and voluntary preemption support from the arm64
code, as those configurations are no longer supported on arm64
- Make jitterentropy and samples/tsm-mr use the crypto library APIs
Note: the overall diffstat is neutral, but when the test code is
excluded it is significantly negative:
Tests: 13 files changed, 1982 insertions(+), 888 deletions(-)
Non-test: 141 files changed, 2897 insertions(+), 3987 deletions(-)
All: 154 files changed, 4879 insertions(+), 4875 deletions(-)
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Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull crypto library updates from Eric Biggers:
- Migrate more hash algorithms from the traditional crypto subsystem to
lib/crypto/
Like the algorithms migrated earlier (e.g. SHA-*), this simplifies
the implementations, improves performance, enables further
simplifications in calling code, and solves various other issues:
- AES CBC-based MACs (AES-CMAC, AES-XCBC-MAC, and AES-CBC-MAC)
- Support these algorithms in lib/crypto/ using the AES library
and the existing arm64 assembly code
- Reimplement the traditional crypto API's "cmac(aes)",
"xcbc(aes)", and "cbcmac(aes)" on top of the library
- Convert mac80211 to use the AES-CMAC library. Note: several
other subsystems can use it too and will be converted later
- Drop the broken, nonstandard, and likely unused support for
"xcbc(aes)" with key lengths other than 128 bits
- Enable optimizations by default
- GHASH
- Migrate the standalone GHASH code into lib/crypto/
- Integrate the GHASH code more closely with the very similar
POLYVAL code, and improve the generic GHASH implementation to
resist cache-timing attacks and use much less memory
- Reimplement the AES-GCM library and the "gcm" crypto_aead
template on top of the GHASH library. Remove "ghash" from the
crypto_shash API, as it's no longer needed
- Enable optimizations by default
- SM3
- Migrate the kernel's existing SM3 code into lib/crypto/, and
reimplement the traditional crypto API's "sm3" on top of it
- I don't recommend using SM3, but this cleanup is worthwhile
to organize the code the same way as other algorithms
- Testing improvements:
- Add a KUnit test suite for each of the new library APIs
- Migrate the existing ChaCha20Poly1305 test to KUnit
- Make the KUnit all_tests.config enable all crypto library tests
- Move the test kconfig options to the Runtime Testing menu
- Other updates to arch-optimized crypto code:
- Optimize SHA-256 for Zhaoxin CPUs using the Padlock Hash Engine
- Remove some MD5 implementations that are no longer worth keeping
- Drop big endian and voluntary preemption support from the arm64
code, as those configurations are no longer supported on arm64
- Make jitterentropy and samples/tsm-mr use the crypto library APIs
* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux: (66 commits)
lib/crypto: arm64: Assume a little-endian kernel
arm64: fpsimd: Remove obsolete cond_yield macro
lib/crypto: arm64/sha3: Remove obsolete chunking logic
lib/crypto: arm64/sha512: Remove obsolete chunking logic
lib/crypto: arm64/sha256: Remove obsolete chunking logic
lib/crypto: arm64/sha1: Remove obsolete chunking logic
lib/crypto: arm64/poly1305: Remove obsolete chunking logic
lib/crypto: arm64/gf128hash: Remove obsolete chunking logic
lib/crypto: arm64/chacha: Remove obsolete chunking logic
lib/crypto: arm64/aes: Remove obsolete chunking logic
lib/crypto: Include <crypto/utils.h> instead of <crypto/algapi.h>
lib/crypto: aesgcm: Don't disable IRQs during AES block encryption
lib/crypto: aescfb: Don't disable IRQs during AES block encryption
lib/crypto: tests: Migrate ChaCha20Poly1305 self-test to KUnit
lib/crypto: sparc: Drop optimized MD5 code
lib/crypto: mips: Drop optimized MD5 code
lib: Move crypto library tests to Runtime Testing menu
crypto: sm3 - Remove 'struct sm3_state'
crypto: sm3 - Remove the original "sm3_block_generic()"
crypto: sm3 - Remove sm3_base.h
...
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