- Drop ARM dependency so we can build test on other arches (Geert
Uytterhoeven)
* pci/controller/rcar-gen2:
PCI: rcar-gen2: Drop ARM dependency from PCI_RCAR_GEN2
- Look up OPP using both frequency and data rate (not just frequency) so
RPMh votes can account for both (Krishna Chaitanya Chundru)
* pci/controller/qcom:
PCI: qcom: Use frequency and level based OPP lookup
- Update DT binding to name DBI region "dbi", not "elbi", and update driver
to support both (Manivannan Sadhasivam)
* pci/controller/meson:
PCI: meson: Fix parsing the DBI register region
dt-bindings: PCI: amlogic: Fix the register name of the DBI region
- Convert DT binding to YAML schema (Christian Marangi)
- Add Airoha AN7583 DT compatible and driver support (Christian Marangi)
* pci/controller/mediatek:
PCI: mediatek: Add support for Airoha AN7583 SoC
PCI: mediatek: Use generic MACRO for TPVPERL delay
PCI: mediatek: Convert bool to single quirks entry and bitmap
dt-bindings: PCI: mediatek: Add support for Airoha AN7583
dt-bindings: PCI: mediatek: Convert to YAML schema
- Fail the probe instead of silently succeeding if ks_pcie_of_data
didn't specify Root Complex or Endpoint mode (Siddharth Vadapalli)
- Make keystone buildable as a loadable module, except on ARM32 where
hook_fault_code() is __init (Siddharth Vadapalli)
* pci/controller/keystone:
PCI: keystone: Add support to build as a loadable module
PCI: dwc: Export dw_pcie_allocate_domains() and dw_pcie_ep_raise_msix_irq()
PCI: Export pci_get_host_bridge_device() for use by pci-keystone
PCI: keystone: Exit ks_pcie_probe() for invalid mode
- Use devm_clk_get_optional_enabled() instead of open-coding
devm_clk_get_optional() and clk_prepare_enable() (Anand Moon)
* pci/controller/j721e:
PCI: j721e: Use 'pcie->reset_gpio' directly and drop the local variable
PCI: j721e: Use devm_clk_get_optional_enabled() to get and enable the clock
- Guard ARM32-specific hook_fault_code() with ifdefs so we can build test
on other arches (Bjorn Helgaas)
* pci/controller/ixp4xx:
PCI: ixp4xx: Guard ARM32-specific hook_fault_code()
- Update PORT_LOGIC_LTSSM_STATE_MASK to be a 6-bit mask as per spec, not a
5-bit mask (Shawn Lin)
- Clear L1 PM Substate Capability 'Supported' bits unless glue driver says
it's supported, which prevents users from enabling non-working L1SS.
Currently only qcom and tegra194 support L1SS (Bjorn Helgaas)
- Remove now-superfluous L1SS disable code from tegra194 (Bjorn Helgaas)
- Configure L1SS support in dw-rockchip when DT says 'supports-clkreq'
(Shawn Lin)
* pci/controller/dwc:
PCI: dw-rockchip: Configure L1SS support
PCI: tegra194: Remove unnecessary L1SS disable code
PCI: dwc: Advertise L1 PM Substates only if driver requests it
PCI: dwc: Fix wrong PORT_LOGIC_LTSSM_STATE_MASK definition
- Disable advertising ASPM L0s support correctly (Jim Quinlan)
- Add a panic/die handler to print diagnostic info in case PCIe caused an
unrecoverable abort (Jim Quinlan)
* pci/controller/brcmstb:
PCI: brcmstb: Add panic/die handler to driver
PCI: brcmstb: Add a way to indicate if PCIe bridge is active
PCI: brcmstb: Fix disabling L0s capability
- Convert the endpoint doorbell test to use a threaded IRQ to fix a
'sleeping while atomic' issue (Bhanu Seshu Kumar Valluri)
- Add endpoint VNTB MSI doorbell support to reduce latency between host and
endpoint (Frank Li)
* pci/endpoint:
PCI: endpoint: pci-epf-vntb: Add MSI doorbell support
PCI: endpoint: Add pci_epf_assign_bar_space() API
PCI: endpoint: Add pci_epf_get_required_bar_size() helper
PCI: endpoint: Rename 'epf_bar::aligned_size' to 'epf_bar:mem_size'
PCI: endpoint: pci-epf-test: Fix sleeping function being called from atomic context
- Prevent resource tree corruption when BAR resize fails (Ilpo Järvinen)
- Restore BARs to the original size if a BAR resize fails (Ilpo Järvinen)
- Remove BAR release from BAR resize attempts by the xe, i915, and amdgpu
drivers so the PCI core can restore BARs if the resize fails (Ilpo
Järvinen)
- Move Resizable BAR code to rebar.c (Ilpo Järvinen)
- Add pci_rebar_size_supported() and use it in i915 and xe (Ilpo Järvinen)
- Add pci_rebar_get_max_size() and use it in xe and amdgpu (Ilpo Järvinen)
* pci/resource:
PCI: Validate pci_rebar_size_supported() input
PCI: Convert BAR sizes bitmasks to u64
drm/amdgpu: Use pci_rebar_get_max_size()
drm/xe/vram: Use pci_rebar_get_max_size()
PCI: Add pci_rebar_get_max_size()
drm/xe/vram: Use PCI rebar helpers in resize_vram_bar()
drm/i915/gt: Use pci_rebar_size_supported()
PCI: Add pci_rebar_size_supported() helper
PCI: Improve Resizable BAR functions kernel doc
PCI: Move pci_rebar_size_to_bytes() and export it
PCI: Move pci_rebar_bytes_to_size() and clean it up
PCI: Move Resizable BAR code to rebar.c
PCI: Prevent restoring assigned resources
drm/amdgpu: Remove driver side BAR release before resize
drm/i915: Remove driver side BAR release before resize
drm/xe: Remove driver side BAR release before resize
PCI: Add kerneldoc for pci_resize_resource()
PCI: Fix restoring BARs on BAR resize rollback path
PCI: Free saved list without holding pci_bus_sem
PCI: Try BAR resize even when no window was released
PCI: Change pci_dev variable from 'bridge' to 'dev'
PCI/IOV: Adjust ->barsz[] when changing BAR size
PCI: Prevent resource tree corruption when BAR resize fails
- Enable PTM only if device advertises support for a relevant role, to
prevent invalid PTM Requests that cause ACS violations that are reported
as AER Uncorrectable Non-Fatal errors (Mika Westerberg)
* pci/ptm:
PCI/PTM: Enable only if device advertises relevant role
- For drivers using PCI legacy suspend, save config state at suspend so
that state (not any earlier state from enumeration, probe, or error
recovery) will be restored when resuming (Lukas Wunner)
- For devices with no driver or a driver that lacks PM, save config state
at hibernate so that state (not any earlier state from enumeration,
probe, or error recovery) will be restored when resuming (Lukas Wunner)
- Save device config space on device addition, before driver binding, so
error recovery works more reliably (Lukas Wunner)
- Drop pci_save_state() from several drivers that no longer need it since
the PCI core always does it and pci_restore_state() no longer invalidates
the saved state (Lukas Wunner)
- Document use of pci_save_state() by drivers to capture the state they
want restored during error recovery (Lukas Wunner)
* pci/err:
Documentation: PCI: Amend error recovery doc with pci_save_state() rules
treewide: Drop pci_save_state() after pci_restore_state()
PCI/ERR: Ensure error recoverability at all times
PCI/PM: Stop needlessly clearing state_saved on enumeration and thaw
PCI/PM: Reinstate clearing state_saved in legacy and !PM codepaths
- Enable host bridge emulation for PCI_DOMAINS_GENERIC platforms (Dan
Williams)
- Switch vmd from custom domain number allocator to the common allocator
(Dan Williams)
* pci/enumeration:
PCI: vmd: Switch to pci_bus_find_emul_domain_nr()
PCI: Enable host bridge emulation for PCI_DOMAINS_GENERIC platforms
SRCU
----
_ Properly handle SRCU readers within IRQ disabled sections in tiny SRCU
- Preparation to reimplement RCU Tasks Trace on top of SRCU fast:
- Introduce API to expedite a grace period and test it through
rcutorture.
- Split srcu-fast in two flavours: SRCU-fast and SRCU-fast-updown.
Both are still targeted toward faster readers (without full
barriers on LOCK and UNLOCK) at the expense of heavier write side
(using full RCU grace period ordering instead of simply full
ordering) as compared to "traditional" non-fast SRCU. But those
srcu-fast flavours are going to be optimized in two different
ways:
- SRCU-fast will become the reimplementation basis for
RCU-TASK-TRACE for consolidation. Since RCU-TASK-TRACE must
be NMI safe, SRCU-fast must be as well.
- SRCU-fast-updown will be needed for uretprobes code in order
to get rid of the read-side memory barriers while still
allowing entering the reader at task level while exiting it
in a timer handler. It is considered semaphore-like in that
it can have different owners between LOCK and UNLOCK.
However it is not NMI-safe.
The actual optimizations are work in progress for the next cycle.
Only the new interfaces are added for now, along with related
torture and scalability test code.
- Create/document/debug/torture new proper initializers for RCU fast:
DEFINE_SRCU_FAST() and init_srcu_struct_fast()
This allows for using right away the proper ordering on the write
side (either full ordering or full RCU grace period ordering) without
waiting for the read side to tell which to use. Also this optimizes
the read side altogether with moving flavour debug checks under debug
config and with removing a costly RmW operation on their first call.
- Make some diagnostic functions tracing safe.
REFSCALE
-------
Add performance testing for common context synchronizations
(Preemption, IRQ, Softirq) and per-cpu increments. Those are
relevant comparisons against SRCU-fast read side APIs, especially
as they are planned to synchronize further tracing fast-path code.
MISCELLANOUS
------
- In order to prepare the layout for nohz_full work deferral to
user exit, the context tracking state must shrink the counter
of transitions to/from RCU not watching. The only possible hazard
is to trigger wrap-around more easily, delaying a bit grace periods
when that happens. This should be a rare event though. Yet add
debugging and torture code to test that assumption.
- Fix memory leak on locktorture module
- Annotate accesses in rculist_nulls.h to prevent from KCSAN warnings.
On recent discussions, we also concluded that all those WRITE_ONCE()
and READ_ONCE() on list APIs deserve appropriate comments. Something
to be expected for the next cycle.
- Provide a script to apply several configs to several commits with torture.
- Allow torture to reuse a build directory in order to save needless
rebuild time.
- Various cleanups.
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Merge tag 'rcu.release.v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Frederic Weisbecker:
"SRCU:
- Properly handle SRCU readers within IRQ disabled sections in tiny
SRCU
- Preparation to reimplement RCU Tasks Trace on top of SRCU fast:
- Introduce API to expedite a grace period and test it through
rcutorture
- Split srcu-fast in two flavours: SRCU-fast and SRCU-fast-updown.
Both are still targeted toward faster readers (without full
barriers on LOCK and UNLOCK) at the expense of heavier write
side (using full RCU grace period ordering instead of simply
full ordering) as compared to "traditional" non-fast SRCU. But
those srcu-fast flavours are going to be optimized in two
different ways:
- SRCU-fast will become the reimplementation basis for
RCU-TASK-TRACE for consolidation. Since RCU-TASK-TRACE must
be NMI safe, SRCU-fast must be as well.
- SRCU-fast-updown will be needed for uretprobes code in order
to get rid of the read-side memory barriers while still
allowing entering the reader at task level while exiting it
in a timer handler. It is considered semaphore-like in that
it can have different owners between LOCK and UNLOCK.
However it is not NMI-safe.
The actual optimizations are work in progress for the next
cycle. Only the new interfaces are added for now, along with
related torture and scalability test code.
- Create/document/debug/torture new proper initializers for RCU fast:
DEFINE_SRCU_FAST() and init_srcu_struct_fast()
This allows for using right away the proper ordering on the write
side (either full ordering or full RCU grace period ordering)
without waiting for the read side to tell which to use.
This also optimizes the read side altogether with moving flavour
debug checks under debug config and with removing a costly RmW
operation on their first call.
- Make some diagnostic functions tracing safe
Refscale:
- Add performance testing for common context synchronizations
(Preemption, IRQ, Softirq) and per-cpu increments. Those are
relevant comparisons against SRCU-fast read side APIs, especially
as they are planned to synchronize further tracing fast-path code
Miscellanous:
- In order to prepare the layout for nohz_full work deferral to user
exit, the context tracking state must shrink the counter of
transitions to/from RCU not watching. The only possible hazard is
to trigger wrap-around more easily, delaying a bit grace periods
when that happens. This should be a rare event though. Yet add
debugging and torture code to test that assumption
- Fix memory leak on locktorture module
- Annotate accesses in rculist_nulls.h to prevent from KCSAN
warnings. On recent discussions, we also concluded that all those
WRITE_ONCE() and READ_ONCE() on list APIs deserve appropriate
comments. Something to be expected for the next cycle
- Provide a script to apply several configs to several commits with
torture
- Allow torture to reuse a build directory in order to save needless
rebuild time
- Various cleanups"
* tag 'rcu.release.v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux: (29 commits)
refscale: Add SRCU-fast-updown readers
refscale: Exercise DEFINE_STATIC_SRCU_FAST() and init_srcu_struct_fast()
rcutorture: Make srcu{,d}_torture_init() announce the SRCU type
srcu: Create an SRCU-fast-updown API
refscale: Do not disable interrupts for tests involving local_bh_enable()
refscale: Add non-atomic per-CPU increment readers
refscale: Add this_cpu_inc() readers
refscale: Add preempt_disable() readers
refscale: Add local_bh_disable() readers
refscale: Add local_irq_disable() and local_irq_save() readers
torture: Permit negative kvm.sh --kconfig numberic arguments
srcu: Add SRCU_READ_FLAVOR_FAST_UPDOWN CPP macro
rcu: Mark diagnostic functions as notrace
rcutorture: Make TREE04 use CONFIG_RCU_DYNTICKS_TORTURE
rcutorture: Remove redundant rcutorture_one_extend() from rcu_torture_one_read()
rcutorture: Permit kvm-again.sh to re-use the build directory
torture: Add kvm-series.sh to test commit/scenario combination
rcu: use WRITE_ONCE() for ->next and ->pprev of hlist_nulls
locktorture: Fix memory leak in param_set_cpumask()
doc: Update for SRCU-fast definitions and initialization
...
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Merge tag 'slab-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab updates from Vlastimil Babka:
- mempool_alloc_bulk() support for upcoming users in the block layer
that need to allocate multiple objects at once with the mempool's
guaranteed progress semantics, which is not achievable with an
allocation single objects in a loop. Along with refactoring and
various improvements (Christoph Hellwig)
- Preparations for the upcoming separation of struct slab from struct
page, mostly by removing the struct folio layer, as the purpose of
struct folio has shifted since it became used in slab code (Matthew
Wilcox)
- Modernisation of slab's boot param API usage, which removes some
unexpected parsing corner cases (Petr Tesarik)
- Refactoring of freelist_aba_t (now struct freelist_counters) and
associated functions for double cmpxchg, enabled by -fms-extensions
(Vlastimil Babka)
- Cleanups and improvements related to sheaves caching layer, that were
part of the full conversion to sheaves, which is planned for the next
release (Vlastimil Babka)
* tag 'slab-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab: (42 commits)
slab: Remove unnecessary call to compound_head() in alloc_from_pcs()
mempool: clarify behavior of mempool_alloc_preallocated()
mempool: drop the file name in the top of file comment
mempool: de-typedef
mempool: remove mempool_{init,create}_kvmalloc_pool
mempool: legitimize the io_schedule_timeout in mempool_alloc_from_pool
mempool: add mempool_{alloc,free}_bulk
mempool: factor out a mempool_alloc_from_pool helper
slab: Remove references to folios from virt_to_slab()
kasan: Remove references to folio in __kasan_mempool_poison_object()
memcg: Convert mem_cgroup_from_obj_folio() to mem_cgroup_from_obj_slab()
mempool: factor out a mempool_adjust_gfp helper
mempool: add error injection support
mempool: improve kerneldoc comments
mm: improve kerneldoc comments for __alloc_pages_bulk
fault-inject: make enum fault_flags available unconditionally
usercopy: Remove folio references from check_heap_object()
slab: Remove folio references from kfree_nolock()
slab: Remove folio references from kfree_rcu_sheaf()
slab: Remove folio references from build_detached_freelist()
...
build-system thrashing. That work should slow down from here on out.
- The various scripts and tools for documentation were spread out in
several directories; now they are (almost) all coalesced under
tools/docs/. The holdout is the kernel-doc script, which cannot be
easily moved without some further thought.
- As the amount of Python code increases, we are accumulating modules that
are imported by multiple programs. These modules have been pulled
together under tools/lib/python/ -- at least, for documentation-related
programs. There is other Python code in the tree that might eventually
want to move toward this organization.
- The Perl kernel-doc.pl script has been removed. It is no longer used by
default, and nobody has missed it, least of all anybody who actually had
to look at it.
- The docs build was controlled by a complex mess of makefilese that few
dared to touch. Mauro has moved that logic into a new program
(tools/docs/sphinx-build-wrapper) that, with any luck at all, will be far
easier to understand and maintain.
- The get_feat.pl program, used to access information under
Documentation/features/, has been rewritten in Python, bringing an end to
the use of Perl in the docs subsystem.
- The top-level README file has been reorganized into a more
reader-friendly presentation.
- A lot of Chinese translation additions
- Typo fixes and documentation updates as usual
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Merge tag 'docs-6.19' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"This has been another busy cycle for documentation, with a lot of
build-system thrashing. That work should slow down from here on out.
- The various scripts and tools for documentation were spread out in
several directories; now they are (almost) all coalesced under
tools/docs/. The holdout is the kernel-doc script, which cannot be
easily moved without some further thought.
- As the amount of Python code increases, we are accumulating modules
that are imported by multiple programs. These modules have been
pulled together under tools/lib/python/ -- at least, for
documentation-related programs. There is other Python code in the
tree that might eventually want to move toward this organization.
- The Perl kernel-doc.pl script has been removed. It is no longer
used by default, and nobody has missed it, least of all anybody who
actually had to look at it.
- The docs build was controlled by a complex mess of makefilese that
few dared to touch. Mauro has moved that logic into a new program
(tools/docs/sphinx-build-wrapper) that, with any luck at all, will
be far easier to understand and maintain.
- The get_feat.pl program, used to access information under
Documentation/features/, has been rewritten in Python, bringing an
end to the use of Perl in the docs subsystem.
- The top-level README file has been reorganized into a more
reader-friendly presentation.
- A lot of Chinese translation additions
- Typo fixes and documentation updates as usual"
* tag 'docs-6.19' of git://git.lwn.net/linux: (164 commits)
docs: makefile: move rustdoc check to the build wrapper
README: restructure with role-based documentation and guidelines
docs: kdoc: various fixes for grammar, spelling, punctuation
docs: kdoc_parser: use '@' for Excess enum value
docs: submitting-patches: Clarify that removal of Acks needs explanation too
docs: kdoc_parser: add data/function attributes to ignore
docs: MAINTAINERS: update Mauro's files/paths
docs/zh_CN: Add wd719x.rst translation
docs/zh_CN: Add libsas.rst translation
get_feat.pl: remove it, as it got replaced by get_feat.py
Documentation/sphinx/kernel_feat.py: use class directly
tools/docs/get_feat.py: convert get_feat.pl to Python
Documentation/admin-guide: fix typo and comment in cscope example
docs/zh_CN: Add data-integrity.rst translation
docs/zh_CN: Add blk-mq.rst translation
docs/zh_CN: Add block/index.rst translation
docs/zh_CN: Update the Chinese translation of kbuild.rst
docs: bring some order to our Python module hierarchy
docs: Move the python libraries to tools/lib/python
Documentation/kernel-parameters: Move the kernel build options
...
API:
- Rewrite memcpy_sglist from scratch.
- Add on-stack AEAD request allocation.
- Fix partial block processing in ahash.
Algorithms:
- Remove ansi_cprng.
- Remove tcrypt tests for poly1305.
- Fix EINPROGRESS processing in authenc.
- Fix double-free in zstd.
Drivers:
- Use drbg ctr helper when reseeding xilinx-trng.
- Add support for PCI device 0x115A to ccp.
- Add support of paes in caam.
- Add support for aes-xts in dthev2.
Others:
- Use likely in rhashtable lookup.
- Fix lockdep false-positive in padata by removing a helper.
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Merge tag 'v6.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Rewrite memcpy_sglist from scratch
- Add on-stack AEAD request allocation
- Fix partial block processing in ahash
Algorithms:
- Remove ansi_cprng
- Remove tcrypt tests for poly1305
- Fix EINPROGRESS processing in authenc
- Fix double-free in zstd
Drivers:
- Use drbg ctr helper when reseeding xilinx-trng
- Add support for PCI device 0x115A to ccp
- Add support of paes in caam
- Add support for aes-xts in dthev2
Others:
- Use likely in rhashtable lookup
- Fix lockdep false-positive in padata by removing a helper"
* tag 'v6.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (71 commits)
crypto: zstd - fix double-free in per-CPU stream cleanup
crypto: ahash - Zero positive err value in ahash_update_finish
crypto: ahash - Fix crypto_ahash_import with partial block data
crypto: lib/mpi - use min() instead of min_t()
crypto: ccp - use min() instead of min_t()
hwrng: core - use min3() instead of nested min_t()
crypto: aesni - ctr_crypt() use min() instead of min_t()
crypto: drbg - Delete unused ctx from struct sdesc
crypto: testmgr - Add missing DES weak and semi-weak key tests
Revert "crypto: scatterwalk - Move skcipher walk and use it for memcpy_sglist"
crypto: scatterwalk - Fix memcpy_sglist() to always succeed
crypto: iaa - Request to add Kanchana P Sridhar to Maintainers.
crypto: tcrypt - Remove unused poly1305 support
crypto: ansi_cprng - Remove unused ansi_cprng algorithm
crypto: asymmetric_keys - fix uninitialized pointers with free attribute
KEYS: Avoid -Wflex-array-member-not-at-end warning
crypto: ccree - Correctly handle return of sg_nents_for_len
crypto: starfive - Correctly handle return of sg_nents_for_len
crypto: iaa - Fix incorrect return value in save_iaa_wq()
crypto: zstd - Remove unnecessary size_t cast
...
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Merge tag 'ipe-pr-20251202' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe
Pull IPE udates from Fan Wu:
"The primary change is the addition of support for the AT_EXECVE_CHECK
flag. This allows interpreters to signal the kernel to perform IPE
security checks on script files before execution, extending IPE
enforcement to indirectly executed scripts.
Update documentation for it, and also fix a comment"
* tag 'ipe-pr-20251202' of git://git.kernel.org/pub/scm/linux/kernel/git/wufan/ipe:
ipe: Update documentation for script enforcement
ipe: Add AT_EXECVE_CHECK support for script enforcement
ipe: Drop a duplicated CONFIG_ prefix in the ifdeffery
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Merge tag 'integrity-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar:
"Bug fixes:
- defer credentials checking from the bprm_check_security hook to the
bprm_creds_from_file security hook
- properly ignore IMA policy rules based on undefined SELinux labels
IMA policy rule extensions:
- extend IMA to limit including file hashes in the audit logs
(dont_audit action)
- define a new filesystem subtype policy option (fs_subtype)
Misc:
- extend IMA to support in-kernel module decompression by deferring
the IMA signature verification in kernel_read_file() to after the
kernel module is decompressed"
* tag 'integrity-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: Handle error code returned by ima_filter_rule_match()
ima: Access decompressed kernel module to verify appended signature
ima: add fs_subtype condition for distinguishing FUSE instances
ima: add dont_audit action to suppress audit actions
ima: Attach CREDS_CHECK IMA hook to bprm_creds_from_file LSM hook
Setup qemu with KVM then run kvm stat and some host
recording/reporting/build-id tests.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Add test that evlist reports expected events from perf record.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Compile a simple dlfilter and make sure it remove samples from
everything other than a test_loop.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Add test that kallsyms finds a well known symbol and fails for
another.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Basic coverage for `perf timechart` doing a record and then a basic
sanity test of the generated SVG file.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The test starts a backgroup thloop workload and monitors it using
cpu-clock ensuring test_loop appears in the output.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Add testing for the purge and remove commands. Use the noploop
workload rather than just a return to avoid missing samples in the
workload in perf record. Tidy up the cleanup code to cleanup when
signals happen.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Add basic c2c record and report testing to gain some coverage.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
To deal with histogram code that had missing gets the c2c code had
some defensive gets. Those other issues were cleaned up by the
reference count checker, clean them up for the c2c command here.
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reference count checking caught a missing dso__put following a
machine__findnew_dso_id.
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reference count checking found the online CPU map was being gotten but
not put. Add in the missing put.
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Rather than exit the internal map_symbols directly, put the mem-info
that does this and also lowers the reference count on the mem-info
itself otherwise the mem-info is being leaked.
Fixes: 56e144fe98 ("perf mem_info: Add and use map_symbol__exit and addr_map_symbol__exit")
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Move nsinfo__zput from cleanup_perf_probe_events to
clear_perf_probe_event so it is always executed. Clean up
clear_perf_probe_events to not call nsinfo__zput and use the pev
variable to avoid repeated array accesses.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Add missing dso__put for the dso created in maps__split_kallsyms.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
In dso__process_kernel_symbol if inserting a map fails, probably
ENOMEM, then the reference count puts were missing on the dso and map.
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The '-o' option exists for the SVG creation but not for `perf
timechart record`. Add to better allow testing.
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
There are 2 slots left for kvm_add_default_arch_event, fix the
assertion so that debug builds don't fail the assert and to agree with
the comment.
Fixes: 45ff39f6e7 ("perf tools kvm: Fix the potential out of range memory access issue")
Signed-off-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
445e38f512
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
6edacf434d
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
348f33fae4
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
09a0c74b23
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
dc6ffee20c
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
b4acc3fd52
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
588dd77675
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
The updated events were published in:
c74f1cefa9
Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
