Use the 'common' foo_console_setup() naming scheme. There are 71
foo_console_setup() callbacks and only one foo_setup_console().
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200619172240.754910-1-sergey.senozhatsky@gmail.com
For unifying console ->setup() handling, which is poorly documented,
return error code, rather than non-zero arbitrary number.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200618164751.56828-5-andriy.shevchenko@linux.intel.com
For unifying console ->setup() handling, which is poorly documented,
return error code, rather than non-zero arbitrary number.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200618164751.56828-4-andriy.shevchenko@linux.intel.com
For unifying console ->setup() handling, which is poorly documented,
return error code, rather than non-zero arbitrary number.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20200618164751.56828-3-andriy.shevchenko@linux.intel.com
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Merge tag 'for-linus-5.8b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- several smaller cleanups
- a fix for a Xen guest regression with CPU offlining
- a small fix in the xen pvcalls backend driver
- an update of MAINTAINERS
* tag 'for-linus-5.8b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
MAINTAINERS: Update PARAVIRT_OPS_INTERFACE and VMWARE_HYPERVISOR_INTERFACE
xen/pci: Get rid of verbose_request and use dev_dbg() instead
xenbus: Use dev_printk() when possible
xen-pciback: Use dev_printk() when possible
xen: enable BALLOON_MEMORY_HOTPLUG by default
xen: expand BALLOON_MEMORY_HOTPLUG description
xen/pvcalls: Make pvcalls_back_global static
xen/cpuhotplug: Fix initial CPU offlining for PV(H) guests
xen-platform: Constify dev_pm_ops
xen/pvcalls-back: test for errors when calling backend_connect()
KCSAN is a dynamic race detector, which relies on compile-time
instrumentation, and uses a watchpoint-based sampling approach to detect
races.
The feature was under development for quite some time and has already found
legitimate bugs.
Unfortunately it comes with a limitation, which was only understood late in
the development cycle:
It requires an up to date CLANG-11 compiler
CLANG-11 is not yet released (scheduled for June), but it's the only
compiler today which handles the kernel requirements and especially the
annotations of functions to exclude them from KCSAN instrumentation
correctly.
These annotations really need to work so that low level entry code and
especially int3 text poke handling can be completely isolated.
A detailed discussion of the requirements and compiler issues can be found
here:
https://lore.kernel.org/lkml/CANpmjNMTsY_8241bS7=XAfqvZHFLrVEkv_uM4aDUWE_kh3Rvbw@mail.gmail.com/
We came to the conclusion that trying to work around compiler limitations
and bugs again would end up in a major trainwreck, so requiring a working
compiler seemed to be the best choice.
For Continous Integration purposes the compiler restriction is manageable
and that's where most xxSAN reports come from.
For a change this limitation might make GCC people actually look at their
bugs. Some issues with CSAN in GCC are 7 years old and one has been 'fixed'
3 years ago with a half baken solution which 'solved' the reported issue
but not the underlying problem.
The KCSAN developers also ponder to use a GCC plugin to become independent,
but that's not something which will show up in a few days.
Blocking KCSAN until wide spread compiler support is available is not a
really good alternative because the continuous growth of lockless
optimizations in the kernel demands proper tooling support.
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Merge tag 'locking-kcsan-2020-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull the Kernel Concurrency Sanitizer from Thomas Gleixner:
"The Kernel Concurrency Sanitizer (KCSAN) is a dynamic race detector,
which relies on compile-time instrumentation, and uses a
watchpoint-based sampling approach to detect races.
The feature was under development for quite some time and has already
found legitimate bugs.
Unfortunately it comes with a limitation, which was only understood
late in the development cycle:
It requires an up to date CLANG-11 compiler
CLANG-11 is not yet released (scheduled for June), but it's the only
compiler today which handles the kernel requirements and especially
the annotations of functions to exclude them from KCSAN
instrumentation correctly.
These annotations really need to work so that low level entry code and
especially int3 text poke handling can be completely isolated.
A detailed discussion of the requirements and compiler issues can be
found here:
https://lore.kernel.org/lkml/CANpmjNMTsY_8241bS7=XAfqvZHFLrVEkv_uM4aDUWE_kh3Rvbw@mail.gmail.com/
We came to the conclusion that trying to work around compiler
limitations and bugs again would end up in a major trainwreck, so
requiring a working compiler seemed to be the best choice.
For Continous Integration purposes the compiler restriction is
manageable and that's where most xxSAN reports come from.
For a change this limitation might make GCC people actually look at
their bugs. Some issues with CSAN in GCC are 7 years old and one has
been 'fixed' 3 years ago with a half baken solution which 'solved' the
reported issue but not the underlying problem.
The KCSAN developers also ponder to use a GCC plugin to become
independent, but that's not something which will show up in a few
days.
Blocking KCSAN until wide spread compiler support is available is not
a really good alternative because the continuous growth of lockless
optimizations in the kernel demands proper tooling support"
* tag 'locking-kcsan-2020-06-11' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (76 commits)
compiler_types.h, kasan: Use __SANITIZE_ADDRESS__ instead of CONFIG_KASAN to decide inlining
compiler.h: Move function attributes to compiler_types.h
compiler.h: Avoid nested statement expression in data_race()
compiler.h: Remove data_race() and unnecessary checks from {READ,WRITE}_ONCE()
kcsan: Update Documentation to change supported compilers
kcsan: Remove 'noinline' from __no_kcsan_or_inline
kcsan: Pass option tsan-instrument-read-before-write to Clang
kcsan: Support distinguishing volatile accesses
kcsan: Restrict supported compilers
kcsan: Avoid inserting __tsan_func_entry/exit if possible
ubsan, kcsan: Don't combine sanitizer with kcov on clang
objtool, kcsan: Add kcsan_disable_current() and kcsan_enable_current_nowarn()
kcsan: Add __kcsan_{enable,disable}_current() variants
checkpatch: Warn about data_race() without comment
kcsan: Use GFP_ATOMIC under spin lock
Improve KCSAN documentation a bit
kcsan: Make reporting aware of KCSAN tests
kcsan: Fix function matching in report
kcsan: Change data_race() to no longer require marking racing accesses
kcsan: Move kcsan_{disable,enable}_current() to kcsan-checks.h
...
Pull updates from Andrew Morton:
"A few fixes and stragglers.
Subsystems affected by this patch series: mm/memory-failure, ocfs2,
lib/lzo, misc"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
amdgpu: a NULL ->mm does not mean a thread is a kthread
lib/lzo: fix ambiguous encoding bug in lzo-rle
ocfs2: fix build failure when TCP/IP is disabled
mm/memory-failure: send SIGBUS(BUS_MCEERR_AR) only to current thread
mm/memory-failure: prioritize prctl(PR_MCE_KILL) over vm.memory_failure_early_kill
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Merge tag 'block-5.8-2020-06-11' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Some followup fixes for this merge window. In particular:
- Seqcount write missing preemption disable for stats (Ahmed)
- blktrace fixes (Chaitanya)
- Redundant initializations (Colin)
- Various small NVMe fixes (Chaitanya, Christoph, Daniel, Max,
Niklas, Rikard)
- loop flag bug regression fix (Martijn)
- blk-mq tagging fixes (Christoph, Ming)"
* tag 'block-5.8-2020-06-11' of git://git.kernel.dk/linux-block:
umem: remove redundant initialization of variable ret
pktcdvd: remove redundant initialization of variable ret
nvmet: fail outstanding host posted AEN req
nvme-pci: use simple suspend when a HMB is enabled
nvme-fc: don't call nvme_cleanup_cmd() for AENs
nvmet-tcp: constify nvmet_tcp_ops
nvme-tcp: constify nvme_tcp_mq_ops and nvme_tcp_admin_mq_ops
nvme: do not call del_gendisk() on a disk that was never added
blk-mq: fix blk_mq_all_tag_iter
blk-mq: split out a __blk_mq_get_driver_tag helper
blktrace: fix endianness for blk_log_remap()
blktrace: fix endianness in get_pdu_int()
blktrace: use errno instead of bi_status
block: nr_sects_write(): Disable preemption on seqcount write
block: remove the error argument to the block_bio_complete tracepoint
loop: Fix wrong masking of status flags
block/bio-integrity: don't free 'buf' if bio_integrity_add_page() failed
Merge some more updates from Andrew Morton:
- various hotfixes and minor things
- hch's use_mm/unuse_mm clearnups
Subsystems affected by this patch series: mm/hugetlb, scripts, kcov,
lib, nilfs, checkpatch, lib, mm/debug, ocfs2, lib, misc.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
kernel: set USER_DS in kthread_use_mm
kernel: better document the use_mm/unuse_mm API contract
kernel: move use_mm/unuse_mm to kthread.c
kernel: move use_mm/unuse_mm to kthread.c
stacktrace: cleanup inconsistent variable type
lib: test get_count_order/long in test_bitops.c
mm: add comments on pglist_data zones
ocfs2: fix spelling mistake and grammar
mm/debug_vm_pgtable: fix kernel crash by checking for THP support
lib: fix bitmap_parse() on 64-bit big endian archs
checkpatch: correct check for kernel parameters doc
nilfs2: fix null pointer dereference at nilfs_segctor_do_construct()
lib/lz4/lz4_decompress.c: document deliberate use of `&'
kcov: check kcov_softirq in kcov_remote_stop()
scripts/spelling: add a few more typos
khugepaged: selftests: fix timeout condition in wait_for_scan()
* Select statements are now sorted alphanumerically.
* Our first-level interrupts are now handled via a full irqchip driver.
* CPU hotplug is fixed.
* Our vDSO calls now use the common vDSO infrastructure.
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Merge tag 'riscv-for-linus-5.8-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull more RISC-V updates from Palmer Dabbelt:
- Kconfig select statements are now sorted alphanumerically
- first-level interrupts are now handled via a full irqchip driver
- CPU hotplug is fixed
- vDSO calls now use the common vDSO infrastructure
* tag 'riscv-for-linus-5.8-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: set the permission of vdso_data to read-only
riscv: use vDSO common flow to reduce the latency of the time-related functions
riscv: fix build warning of missing prototypes
RISC-V: Don't mark init section as non-executable
RISC-V: Force select RISCV_INTC for CONFIG_RISCV
RISC-V: Remove do_IRQ() function
clocksource/drivers/timer-riscv: Use per-CPU timer interrupt
irqchip: RISC-V per-HART local interrupt controller driver
RISC-V: Rename and move plic_find_hart_id() to arch directory
RISC-V: self-contained IPI handling routine
RISC-V: Sort select statements alphanumerically
- Fix SCS debug check to report max stack usage in bytes as advertised
- Fix typo: CONFIG_FTRACE_WITH_REGS => CONFIG_DYNAMIC_FTRACE_WITH_REGS
- Fix incorrect mask in HiSilicon L3C perf PMU driver
- Fix compat vDSO compilation under some toolchain configurations
- Fix false UBSAN warning from ACPI IORT parsing code
- Fix booting under bootloaders that ignore TEXT_OFFSET
- Annotate debug initcall function with '__init'
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"arm64 fixes that came in during the merge window.
There will probably be more to come, but it doesn't seem like it's
worth me sitting on these in the meantime.
- Fix SCS debug check to report max stack usage in bytes as advertised
- Fix typo: CONFIG_FTRACE_WITH_REGS => CONFIG_DYNAMIC_FTRACE_WITH_REGS
- Fix incorrect mask in HiSilicon L3C perf PMU driver
- Fix compat vDSO compilation under some toolchain configurations
- Fix false UBSAN warning from ACPI IORT parsing code
- Fix booting under bootloaders that ignore TEXT_OFFSET
- Annotate debug initcall function with '__init'"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: warn on incorrect placement of the kernel by the bootloader
arm64: acpi: fix UBSAN warning
arm64: vdso32: add CONFIG_THUMB2_COMPAT_VDSO
drivers/perf: hisi: Fix wrong value for all counters enable
arm64: ftrace: Change CONFIG_FTRACE_WITH_REGS to CONFIG_DYNAMIC_FTRACE_WITH_REGS
arm64: debug: mark a function as __init to save some memory
scs: Report SCS usage in bytes rather than number of entries
new controller driver for IPCC
reorg the of_device data
add support for ipq6018 platform
- spreadtrum:
new sprd controller driver
- imx:
implement suspend/resume PM support
- Misc :
make pcc driver struct as static
fix return value in imx_mu_scu
disable clock before bailout in imx probe
remove duplicate error mssg in zynqmp probe
fix header size in imx.scu
check for null instead of is-err in zynqmp
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Merge tag 'mailbox-v5.8' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
"qcom:
- new controller driver for IPCC
- reorg the of_device data
- add support for ipq6018 platform
spreadtrum:
- new sprd controller driver
imx:
- implement suspend/resume PM support
misc:
- make pcc driver struct static
- fix return value in imx_mu_scu
- disable clock before bailout in imx probe
- remove duplicate error mssg in zynqmp probe
- fix header size in imx.scu
- check for null instead of is-err in zynqmp"
* tag 'mailbox-v5.8' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: qcom: Add ipq6018 apcs compatible
mailbox: qcom: Add clock driver name in apcs mailbox driver data
dt-bindings: mailbox: Add YAML schemas for QCOM APCS global block
mailbox: imx: ONLY IPC MU needs IRQF_NO_SUSPEND flag
mailbox: imx: Add runtime PM callback to handle MU clocks
mailbox: imx: Add context save/restore for suspend/resume
MAINTAINERS: Add entry for Qualcomm IPCC driver
mailbox: Add support for Qualcomm IPCC
dt-bindings: mailbox: Add devicetree binding for Qcom IPCC
mailbox: zynqmp-ipi: Fix NULL vs IS_ERR() check in zynqmp_ipi_mbox_probe()
mailbox: imx-mailbox: fix scu msg header size check
mailbox: sprd: Add Spreadtrum mailbox driver
dt-bindings: mailbox: Add the Spreadtrum mailbox documentation
mailbox: ZynqMP IPI: Delete an error message in zynqmp_ipi_probe()
mailbox: imx: Disable the clock on devm_mbox_controller_register() failure
mailbox: imx: Fix return in imx_mu_scu_xlate()
mailbox: imx: Support runtime PM
mailbox: pcc: make pcc_mbox_driver static
core:
- fix race in connectors sending hotplug
i915:
- Avoid use after free in cmdparser
- Avoid NULL dereference when probing all display encoders
- Fixup to module parameter type
sun4i:
- clock divider fix
ast:
- 24/32 bpp mode setting fix
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Merge tag 'drm-next-2020-06-11-1' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"One sun4i fix and a connector hotplug race The ast fix is for a
regression in 5.6, and one of the i915 ones fixes an oops reported by
dhowells.
core:
- fix race in connectors sending hotplug
i915:
- Avoid use after free in cmdparser
- Avoid NULL dereference when probing all display encoders
- Fixup to module parameter type
sun4i:
- clock divider fix
ast:
- 24/32 bpp mode setting fix"
* tag 'drm-next-2020-06-11-1' of git://anongit.freedesktop.org/drm/drm:
drm/ast: fix missing break in switch statement for format->cpp[0] case 4
drm/sun4i: hdmi ddc clk: Fix size of m divider
drm/i915/display: Only query DP state of a DDI encoder
drm/i915/params: fix i915.reset module param type
drm/i915/gem: Mark the buffer pool as active for the cmdparser
drm/connector: notify userspace on hotplug after register complete
Merge the state of the locking kcsan branch before the read/write_once()
and the atomics modifications got merged.
Squash the fallout of the rebase on top of the read/write once and atomic
fallback work into the merge. The history of the original branch is
preserved in tag locking-kcsan-2020-06-02.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Pull crypto fixes from Herbert Xu:
"A number of fixes to the omap and nitrox drivers"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: cavium/nitrox - Fix 'nitrox_get_first_device()' when ndevlist is fully iterated
crypto: omap-sham - add proper load balancing support for multicore
crypto: omap-aes - prevent unregistering algorithms twice
crypto: omap-sham - fix very small data size handling
crypto: omap-sham - huge buffer access fixes
crypto: omap-crypto - fix userspace copied buffer access
crypto: omap-sham - force kernel driver usage for sha algos
crypto: omap-aes - avoid spamming console with self tests
The variable ret is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
The variable ret is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Addresses-Coverity: ("Unused value")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In function nvmet_async_event_process() we only process AENs iff
there is an open slot on the ctrl->async_event_cmds[] && aen
event list posted by the target is not empty. This keeps host
posted AEN outstanding if target generated AEN list is empty.
We do cleanup the target generated entries from the aen list in
nvmet_ctrl_free()-> nvmet_async_events_free() but we don't
process AEN posted by the host. This leads to following problem :-
When processing admin sq at the time of nvmet_sq_destroy() holds
an extra percpu reference(atomic value = 1), so in the following code
path after switching to atomic rcu, release function (nvmet_sq_free())
is not getting called which blocks the sq->free_done in
nvmet_sq_destroy() :-
nvmet_sq_destroy()
percpu_ref_kill_and_confirm()
- __percpu_ref_switch_mode()
-- __percpu_ref_switch_to_atomic()
--- call_rcu() -> percpu_ref_switch_to_atomic_rcu()
---- /* calls switch callback */
- percpu_ref_put()
-- percpu_ref_put_many(ref, 1)
--- else if (unlikely(atomic_long_sub_and_test(nr, &ref->count)))
---- ref->release(ref); <---- Not called.
This results in indefinite hang:-
void nvmet_sq_destroy(struct nvmet_sq *sq)
...
if (ctrl && ctrl->sqs && ctrl->sqs[0] == sq) {
nvmet_async_events_process(ctrl, status);
percpu_ref_put(&sq->ref);
}
percpu_ref_kill_and_confirm(&sq->ref, nvmet_confirm_sq);
wait_for_completion(&sq->confirm_done);
wait_for_completion(&sq->free_done); <-- Hang here
Which breaks the further disconnect sequence. This problem seems to be
introduced after commit 64f5e9cdd7 ("nvmet: fix memory leak when
removing namespaces and controllers concurrently").
This patch processes ctrl->async_event_cmds[] in the admin sq destroy()
context irrespetive of aen_list. Also we get rid of the controller's
aen_list processing in the nvmet_sq_destroy() context and just ignore
ctrl->aen_list.
This results in nvmet_async_events_process() being called from workqueue
context so we adjust the code accordingly.
Fixes: 64f5e9cdd7 ("nvmet: fix memory leak when removing namespaces and controllers concurrently ")
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
While the NVMe specification allows the device to access the host memory
buffer in host DRAM from all power states, hosts will fail access to
DRAM during S3 and similar power states.
Fixes: d916b1be94 ("nvme-pci: use host managed power state for suspend")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Asynchronous event notifications do not have an associated request.
When fcp_io() fails we unconditionally call nvme_cleanup_cmd() which
leads to a crash.
Fixes: 16686f3a6c ("nvme: move common call to nvme_cleanup_cmd to core layer")
Signed-off-by: Daniel Wagner <dwagner@suse.de>
Reviewed-by: Himanshu Madhani <hmadhani2024@gmail.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
nvmet_tcp_ops is never modified and can be made const to allow the
compiler to put it in read-only memory, as done in other transports.
Before:
text data bss dec hex filename
16164 160 12 16336 3fd0 drivers/nvme/target/tcp.o
After:
text data bss dec hex filename
16277 64 12 16353 3fe1 drivers/nvme/target/tcp.o
Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Reviewed-by: Israel Rukshin <israelr@mellanox.com>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
nvme_tcp_mq_ops and nvme_tcp_admin_mq_ops are never modified and can be
made const to allow the compiler to put them in read-only memory.
Before:
text data bss dec hex filename
53102 6885 576 60563 ec93 drivers/nvme/host/tcp.o
After:
text data bss dec hex filename
53422 6565 576 60563 ec93 drivers/nvme/host/tcp.o
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
device_add_disk() is negated by del_gendisk().
alloc_disk_node() is negated by put_disk().
In nvme_alloc_ns(), device_add_disk() is one of the last things being
called in the success case, and only void functions are being called
after this. Therefore this call should not be negated in the error path.
The superfluous call to del_gendisk() leads to the following prints:
[ 7.839975] kobject: '(null)' (000000001ff73734): is not initialized, yet kobject_put() is being called.
[ 7.840865] WARNING: CPU: 2 PID: 361 at lib/kobject.c:736 kobject_put+0x70/0x120
Fixes: 33cfdc2aa6 ("nvme: enforce extended LBA format for fabrics metadata")
Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
sysfs. In drivers, sun4i now uses 4 bits to store the clock's m divider;
ast sets up 24/32-bit color mode correctly.
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Merge tag 'drm-misc-next-fixes-2020-06-11' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
In core, DRM connectors now notify userspace of hotplug events via
sysfs. In drivers, sun4i now uses 4 bits to store the clock's m divider;
ast sets up 24/32-bit color mode correctly.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200611075007.GA15098@linux-uq9g
Currently the switch statement for format->cpp[0] value 4 assigns
color_index which is never read again and then falls through to the
default case and returns. This looks like a missing break statement
bug. Fix this by adding a break statement.
Addresses-Coverity: ("Unused value")
Fixes: 259d14a76a ("drm/ast: Split ast_set_vbios_mode_info()")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Tested-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200610115804.1132338-1-colin.king@canonical.com
The Qualcomm ipq6018 has apcs block, add compatible for the same. Also,
the ipq6018 apcs provides a clock functionality similar to msm8916 but
the clock driver is different.
Create a child device based on the apcs compatible for the clock
controller functionality.
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Some apcs mailbox devices supports a clock driver, the compatible
strings of devices supporting clock driver along with the clock driver
name are maintained in a separate structure within the mailbox driver.
And the clock driver is added based on device match.
With increase in number of devices supporting the clock feature move the
clock driver name inside the driver data. so that we can use a single
API to get the register offset of mailbox driver and clock driver name
together, and the clock driver will be added based on the driver data.
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Some architectures like arm64 and s390 require USER_DS to be set for
kernel threads to access user address space, which is the whole purpose of
kthread_use_mm, but other like x86 don't. That has lead to a huge mess
where some callers are fixed up once they are tested on said
architectures, while others linger around and yet other like io_uring try
to do "clever" optimizations for what usually is just a trivial asignment
to a member in the thread_struct for most architectures.
Make kthread_use_mm set USER_DS, and kthread_unuse_mm restore to the
previous value instead.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: http://lkml.kernel.org/r/20200404094101.672954-7-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Switch the function documentation to kerneldoc comments, and add
WARN_ON_ONCE asserts that the calling thread is a kernel thread and does
not have ->mm set (or has ->mm set in the case of unuse_mm).
Also give the functions a kthread_ prefix to better document the use case.
[hch@lst.de: fix a comment typo, cover the newly merged use_mm/unuse_mm caller in vfio]
Link: http://lkml.kernel.org/r/20200416053158.586887-3-hch@lst.de
[sfr@canb.auug.org.au: powerpc/vas: fix up for {un}use_mm() rename]
Link: http://lkml.kernel.org/r/20200422163935.5aa93ba5@canb.auug.org.au
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> [usb]
Acked-by: Haren Myneni <haren@linux.ibm.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Link: http://lkml.kernel.org/r/20200404094101.672954-6-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
cover the newly merged use_mm/unuse_mm caller in vfio
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Link: http://lkml.kernel.org/r/20200416053158.586887-2-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "improve use_mm / unuse_mm", v2.
This series improves the use_mm / unuse_mm interface by better documenting
the assumptions, and my taking the set_fs manipulations spread over the
callers into the core API.
This patch (of 3):
Use the proper API instead.
Link: http://lkml.kernel.org/r/20200404094101.672954-1-hch@lst.de
These helpers are only for use with kernel threads, and I will tie them
more into the kthread infrastructure going forward. Also move the
prototypes to kthread.h - mmu_context.h was a little weird to start with
as it otherwise contains very low-level MM bits.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Tested-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Jason Wang <jasowang@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: http://lkml.kernel.org/r/20200404094101.672954-1-hch@lst.de
Link: http://lkml.kernel.org/r/20200416053158.586887-1-hch@lst.de
Link: http://lkml.kernel.org/r/20200404094101.672954-5-hch@lst.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull sysctl fixes from Al Viro:
"Fixups to regressions in sysctl series"
* 'work.sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
sysctl: reject gigantic reads/write to sysctl files
cdrom: fix an incorrect __user annotation on cdrom_sysctl_info
trace: fix an incorrect __user annotation on stack_trace_sysctl
random: fix an incorrect __user annotation on proc_do_entropy
net/sysctl: remove leftover __user annotations on neigh_proc_dointvec*
net/sysctl: use cpumask_parse in flow_limit_cpu_sysctl
Pull i915 uaccess updates from Al Viro:
"Low-hanging fruit in i915; there are several trickier followups, but
that'll wait for the next cycle"
* 'uaccess.i915' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
i915:get_engines(): get rid of pointless access_ok()
i915: alloc_oa_regs(): get rid of pointless access_ok()
i915 compat ioctl(): just use drm_ioctl_kernel()
i915: switch copy_perf_config_registers_or_number() to unsafe_put_user()
i915: switch query_{topology,engine}_info() to copy_to_user()
Pull READ/WRITE_ONCE rework from Will Deacon:
"This the READ_ONCE rework I've been working on for a while, which
bumps the minimum GCC version and improves code-gen on arm64 when
stack protector is enabled"
[ Side note: I'm _really_ tempted to raise the minimum gcc version to
4.9, so that we can just say that we require _Generic() support.
That would allow us to more cleanly handle a lot of the cases where we
depend on very complex macros with 'sizeof' or __builtin_choose_expr()
with __builtin_types_compatible_p() etc.
This branch has a workaround for sparse not handling _Generic(),
either, but that was already fixed in the sparse development branch,
so it's really just gcc-4.9 that we'd require. - Linus ]
* 'rwonce/rework' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux:
compiler_types.h: Use unoptimized __unqual_scalar_typeof for sparse
compiler_types.h: Optimize __unqual_scalar_typeof compilation time
compiler.h: Enforce that READ_ONCE_NOCHECK() access size is sizeof(long)
compiler-types.h: Include naked type in __pick_integer_type() match
READ_ONCE: Fix comment describing 2x32-bit atomicity
gcov: Remove old GCC 3.4 support
arm64: barrier: Use '__unqual_scalar_typeof' for acquire/release macros
locking/barriers: Use '__unqual_scalar_typeof' for load-acquire macros
READ_ONCE: Drop pointer qualifiers when reading from scalar types
READ_ONCE: Enforce atomicity for {READ,WRITE}_ONCE() memory accesses
READ_ONCE: Simplify implementations of {READ,WRITE}_ONCE()
arm64: csum: Disable KASAN for do_csum()
fault_inject: Don't rely on "return value" from WRITE_ONCE()
net: tls: Avoid assigning 'const' pointer to non-const pointer
netfilter: Avoid assigning 'const' pointer to non-const pointer
compiler/gcc: Raise minimum GCC version for kernel builds to 4.8
Update the ACPICA code in the kernel to upstream revision 20200528
with the following changes:
- Remove some dead code from the acpidump utility (Bob Moore).
- Add new OperationRegion subtype keyword PlatformRtMechanism
to the compiler (Erik Kaneda).
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Merge tag 'acpi-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"Update the ACPICA code in the kernel to upstream revision 20200528
with the following changes:
- Remove some dead code from the acpidump utility (Bob Moore)
- Add new OperationRegion subtype keyword PlatformRtMechanism to the
compiler (Erik Kaneda)"
* tag 'acpi-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Update version to 20200528
ACPICA: iASL: add new OperationRegion subtype keyword PlatformRtMechanism
ACPICA: acpidump: Removed dead code from oslinuxtbl.c
- Add support for interconnect bandwidth to the OPP core (Georgi
Djakov, Saravana Kannan, Sibi Sankar, Viresh Kumar).
- Add support for regulator enable/disable to the OPP core (Kamil
Konieczny).
- Add boost support to the CPPC cpufreq driver (Xiongfeng Wang).
- Make the tegra186 cpufreq driver set the
CPUFREQ_NEED_INITIAL_FREQ_CHECK flag (Mian Yousaf Kaukab).
- Prevent the ACPI power management from using power resources
with devices where the list of power resources for power state
D0 (full power) is missing (Rafael Wysocki).
- Annotate a hibernation-related function with __init (Christophe
JAILLET).
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Merge tag 'pm-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are operating performance points (OPP) framework updates mostly,
including support for interconnect bandwidth in the OPP core, plus a
few cpufreq changes, including boost support in the CPPC cpufreq
driver, an ACPI device power management fix and a hibernation code
cleanup.
Specifics:
- Add support for interconnect bandwidth to the OPP core (Georgi
Djakov, Saravana Kannan, Sibi Sankar, Viresh Kumar).
- Add support for regulator enable/disable to the OPP core (Kamil
Konieczny).
- Add boost support to the CPPC cpufreq driver (Xiongfeng Wang).
- Make the tegra186 cpufreq driver set the
CPUFREQ_NEED_INITIAL_FREQ_CHECK flag (Mian Yousaf Kaukab).
- Prevent the ACPI power management from using power resources with
devices where the list of power resources for power state D0 (full
power) is missing (Rafael Wysocki).
- Annotate a hibernation-related function with __init (Christophe
JAILLET)"
* tag 'pm-5.8-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PM: Avoid using power resources if there are none for D0
cpufreq: CPPC: add SW BOOST support
cpufreq: change '.set_boost' to act on one policy
PM: hibernate: Add __init annotation to swsusp_header_init()
opp: Don't parse icc paths unnecessarily
opp: Remove bandwidth votes when target_freq is zero
opp: core: add regulators enable and disable
opp: Reorder the code for !target_freq case
opp: Expose bandwidth information via debugfs
cpufreq: dt: Add support for interconnect bandwidth scaling
opp: Update the bandwidth on OPP frequency changes
opp: Add sanity checks in _read_opp_key()
opp: Add support for parsing interconnect bandwidth
cpufreq: tegra186: add CPUFREQ_NEED_INITIAL_FREQ_CHECK flag
OPP: Add helpers for reading the binding properties
dt-bindings: opp: Introduce opp-peak-kBps and opp-avg-kBps bindings
Pull input updates from Dmitry Torokhov:
- a new driver for the Azoteq IQS269A capacitive touch controller
- a new driver for the Cypress CY8CTMA140 touchscreen
- updates to Elan and ft5x06 touchscreen drivers
- assorted driver fixes
- msm-vibrator has been removed as we have a more generic solution
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (28 commits)
Input: adi - work around module name confict
Input: iqs269a - add missing I2C dependency
Input: elants - refactor elants_i2c_execute_command()
Input: elants - override touchscreen info with DT properties
Input: elants - remove unused axes
Input: add support for Azoteq IQS269A
dt-bindings: input: Add bindings for Azoteq IQS269A
Input: imx_sc_key - use devm_add_action_or_reset() to handle all cleanups
Input: remove msm-vibrator driver
dt-bindings: Input: remove msm-vibrator
Input: elants_i2c - provide an attribute to show calibration count
Input: introduce input_mt_report_slot_inactive()
dt-bindings: input: touchscreen: elants_i2c: convert to YAML
Input: add driver for the Cypress CY8CTMA140 touchscreen
dt-bindings: touchscreen: Add CY8CTMA140 bindings
Input: edt-ft5x06 - prefer asynchronous probe
Input: edt-ft5x06 - improve power management operations
Input: edt-ft5x06 - move parameter restore into helper
Input: edt-ft5x06 - fix get_default register write access
Input: atkbd - receive and use physcode->keycode mapping from FW
...
virtio-mem
doorbell mapping for vdpa
config interrupt support in ifc
fixes all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- virtio-mem: paravirtualized memory hotplug
- support doorbell mapping for vdpa
- config interrupt support in ifc
- fixes all over the place
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (40 commits)
vhost/test: fix up after API change
virtio_mem: convert device block size into 64bit
virtio-mem: drop unnecessary initialization
ifcvf: implement config interrupt in IFCVF
vhost: replace -1 with VHOST_FILE_UNBIND in ioctls
vhost_vdpa: Support config interrupt in vdpa
ifcvf: ignore continuous setting same status value
virtio-mem: Don't rely on implicit compiler padding for requests
virtio-mem: Try to unplug the complete online memory block first
virtio-mem: Use -ETXTBSY as error code if the device is busy
virtio-mem: Unplug subblocks right-to-left
virtio-mem: Drop manual check for already present memory
virtio-mem: Add parent resource for all added "System RAM"
virtio-mem: Better retry handling
virtio-mem: Offline and remove completely unplugged memory blocks
mm/memory_hotplug: Introduce offline_and_remove_memory()
virtio-mem: Allow to offline partially unplugged memory blocks
mm: Allow to offline unmovable PageOffline() pages via MEM_GOING_OFFLINE
virtio-mem: Paravirtualized memory hotunplug part 2
virtio-mem: Paravirtualized memory hotunplug part 1
...
* partition parser: Support MTD names containing one or more colons.
* mtdblock: clear cache_state to avoid writing to bad blocks repeatedly.
Raw NAND core changes:
* Stop using nand_release(), patched all drivers.
* Give more information about the ECC weakness when not matching the
chip's requirement.
* MAINTAINERS updates.
* Support emulated SLC mode on MLC NANDs.
* Support "constrained" controllers, adapt the core and ONFI/JEDEC
table parsing and Micron's code.
* Take check_only into account.
* Add an invalid ECC mode to discriminate with valid ones.
* Return an enum from of_get_nand_ecc_algo().
* Drop OOB_FIRST placement scheme.
* Introduce nand_extract_bits().
* Ensure a consistent bitflips numbering.
* BCH lib:
- Allow easy bit swapping.
- Rework a little bit the exported function names.
* Fix nand_gpio_waitrdy().
* Propage CS selection to sub operations.
* Add a NAND_NO_BBM_QUIRK flag.
* Give the possibility to verify a read operation is supported.
* Add a helper to check supported operations.
* Avoid indirect access to ->data_buf().
* Rename the use_bufpoi variables.
* Fix comments about the use of bufpoi.
* Rename a NAND chip option.
* Reorder the nand_chip->options flags.
* Translate obscure bitfields into readable macros.
* Timings:
- Fix default values.
- Add mode information to the timings structure.
Raw NAND controller driver changes:
* Fixed many error paths.
* Arasan
- New driver
* Au1550nd:
- Various cleanups
- Migration to ->exec_op()
* brcmnand:
- Misc cleanup.
- Support v2.1-v2.2 controllers.
- Remove unused including <linux/version.h>.
- Correctly verify erased pages.
- Fix Hamming OOB layout.
* Cadence
- Make cadence_nand_attach_chip static.
* Cafe:
- Set the NAND_NO_BBM_QUIRK flag
* cmx270:
- Remove this controller driver.
* cs553x:
- Misc cleanup
- Migration to ->exec_op()
* Davinci:
- Misc cleanup.
- Migration to ->exec_op()
* Denali:
- Add more delays before latching incoming data
* Diskonchip:
- Misc cleanup
- Migration to ->exec_op()
* Fsmc:
- Change to non-atomic bit operations.
* GPMI:
- Use nand_extract_bits()
- Fix runtime PM imbalance.
* Ingenic:
- Migration to exec_op()
- Fix the RB gpio active-high property on qi, lb60
- Make qi_lb60_ooblayout_ops static.
* Marvell:
- Misc cleanup and small fixes
* Nandsim:
- Fix the error paths, driver wide.
* Omap_elm:
- Fix runtime PM imbalance.
* STM32_FMC2:
- Misc cleanups (error cases, comments, timeout valus, cosmetic
changes).
SPI NOR core changes:
* Add, update support and fix few flashes.
* Prepare BFPT parsing for JESD216 rev D.
* Kernel doc fixes.
CFI changes:
* Support the absence of protection registers for Intel CFI flashes.
* Replace zero-length array with flexible-arrays.
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Merge tag 'mtd/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Richard Weinberger:
"MTD core changes:
- partition parser: Support MTD names containing one or more colons.
- mtdblock: clear cache_state to avoid writing to bad blocks
repeatedly.
Raw NAND core changes:
- Stop using nand_release(), patched all drivers.
- Give more information about the ECC weakness when not matching the
chip's requirement.
- MAINTAINERS updates.
- Support emulated SLC mode on MLC NANDs.
- Support "constrained" controllers, adapt the core and ONFI/JEDEC
table parsing and Micron's code.
- Take check_only into account.
- Add an invalid ECC mode to discriminate with valid ones.
- Return an enum from of_get_nand_ecc_algo().
- Drop OOB_FIRST placement scheme.
- Introduce nand_extract_bits().
- Ensure a consistent bitflips numbering.
- BCH lib:
- Allow easy bit swapping.
- Rework a little bit the exported function names.
- Fix nand_gpio_waitrdy().
- Propage CS selection to sub operations.
- Add a NAND_NO_BBM_QUIRK flag.
- Give the possibility to verify a read operation is supported.
- Add a helper to check supported operations.
- Avoid indirect access to ->data_buf().
- Rename the use_bufpoi variables.
- Fix comments about the use of bufpoi.
- Rename a NAND chip option.
- Reorder the nand_chip->options flags.
- Translate obscure bitfields into readable macros.
- Timings:
- Fix default values.
- Add mode information to the timings structure.
Raw NAND controller driver changes:
- Fixed many error paths.
- Arasan
- New driver
- Au1550nd:
- Various cleanups
- Migration to ->exec_op()
- brcmnand:
- Misc cleanup.
- Support v2.1-v2.2 controllers.
- Remove unused including <linux/version.h>.
- Correctly verify erased pages.
- Fix Hamming OOB layout.
- Cadence
- Make cadence_nand_attach_chip static.
- Cafe:
- Set the NAND_NO_BBM_QUIRK flag
- cmx270:
- Remove this controller driver.
- cs553x:
- Misc cleanup
- Migration to ->exec_op()
- Davinci:
- Misc cleanup.
- Migration to ->exec_op()
- Denali:
- Add more delays before latching incoming data
- Diskonchip:
- Misc cleanup
- Migration to ->exec_op()
- Fsmc:
- Change to non-atomic bit operations.
- GPMI:
- Use nand_extract_bits()
- Fix runtime PM imbalance.
- Ingenic:
- Migration to exec_op()
- Fix the RB gpio active-high property on qi, lb60
- Make qi_lb60_ooblayout_ops static.
- Marvell:
- Misc cleanup and small fixes
- Nandsim:
- Fix the error paths, driver wide.
- Omap_elm:
- Fix runtime PM imbalance.
- STM32_FMC2:
- Misc cleanups (error cases, comments, timeout valus, cosmetic
changes).
SPI NOR core changes:
- Add, update support and fix few flashes.
- Prepare BFPT parsing for JESD216 rev D.
- Kernel doc fixes.
CFI changes:
- Support the absence of protection registers for Intel CFI flashes.
- Replace zero-length array with flexible-arrays"
* tag 'mtd/for-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (208 commits)
mtd: clear cache_state to avoid writing to bad blocks repeatedly
mtd: parser: cmdline: Support MTD names containing one or more colons
mtd: physmap_of_gemini: remove defined but not used symbol 'syscon_match'
mtd: rawnand: Add an invalid ECC mode to discriminate with valid ones
mtd: rawnand: Return an enum from of_get_nand_ecc_algo()
mtd: rawnand: Drop OOB_FIRST placement scheme
mtd: rawnand: Avoid a typedef
mtd: Fix typo in mtd_ooblayout_set_databytes() description
mtd: rawnand: Stop using nand_release()
mtd: rawnand: nandsim: Reorganize ns_cleanup_module()
mtd: rawnand: nandsim: Rename a label in ns_init_module()
mtd: rawnand: nandsim: Manage lists on error in ns_init_module()
mtd: rawnand: nandsim: Fix the label pointing on nand_cleanup()
mtd: rawnand: nandsim: Free erase_block_wear on error
mtd: rawnand: nandsim: Use an additional label when freeing the nandsim object
mtd: rawnand: nandsim: Stop using nand_release()
mtd: rawnand: nandsim: Free the partition names in ns_free()
mtd: rawnand: nandsim: Free the allocated device on error in ns_init()
mtd: rawnand: nandsim: Free partition names on error in ns_init()
mtd: rawnand: nandsim: Fix the two ns_alloc_device() error paths
...
function that isn't used anymore. Otherwise the main new thing for the common
clk framework is that it is selectable in the Kconfig language now. Hopefully
this will let clk drivers and clk consumers be testable on more than the
architectures that support the clk framework. The goal is to introduce some
Kunit tests for the framework.
Outside of the core framework we have the usual set of various driver updates
and non-critical fixes. The dirstat shows that the new Baikal-T1 driver is the
largest addition this time around in terms of lines of code. After that the x86
(Intel), Qualcomm, and Mediatek drivers introduce many lines to support new or
upcoming SoCs. After that the dirstat shows the usual suspects working on their
SoC support by fixing minor bugs, correcting data and converting some of their
DT bindings to YAML.
Core:
- Allow the COMMON_CLK config to be selectable
New Drivers:
- Clk driver for Baikal-T1 SoCs
- Mediatek MT6765 clock support
- Support for Intel Agilex clks
- Add support for X1830 and X1000 Ingenic SoC clk controllers
- Add support for the new Renesas RZ/G1H (R8A7742) SoC
- Add support for Qualcomm's MSM8939 Generic Clock Controller
Updates:
- Support IDT VersaClock 5P49V5925
- Bunch of updates for HSDK clock generation unit (CGU) driver
- Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
- Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
- Enable supply regulators for GPU gdscs on Qualcomm SoCs
- Add support for Si5342, Si5344 and Si5345 chips
- Support custom flags in Xilinx zynq firmware
- Various small fixes to the Xilinx clk driver
- A single minor rounding fix for the legacy Allwinner clock support
- A few patches from Abel Vesa as preparation of adding audiomix clock support
on i.MX
- A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and clk-pllv3
drivers
- Drop dependency on ARM64 for i.MX8M clock driver, to support aarch32 mode on
aarch64 hardware
- A series from Peng Fan to improve i.MX8M clock drivers, using composite
clock for core and bus clk slice
- Set a better parent clock for flexcan on i.MX6UL to support CiA102 defined
bit rates
- A couple changes for EMC frequency scaling on Tegra210
- Support for CPU frequency scaling on Tegra20/Tegra30
- New clk gate for CSI test pattern generator on Tegra210
- Regression fixes for Samsung exynos542x and exynos5433 SoCs
- Use of fallthrough; attribute for Samsung s3c24xx
- Updates and fixup HDMI and video clocks on Meson8b
- Fixup reset polarity on Meson8b
- Fix GPU glitch free mux switch on Meson gx and g12
- A minor fix for the currently unused suspend/resume handling on Renesas RZ/A1 and RZ/A2
- Two more conversions of Renesas DT bindings to json-schema
- Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This time around we have four lines of diff in the core framework,
removing a function that isn't used anymore. Otherwise the main new
thing for the common clk framework is that it is selectable in the
Kconfig language now. Hopefully this will let clk drivers and clk
consumers be testable on more than the architectures that support the
clk framework. The goal is to introduce some Kunit tests for the
framework.
Outside of the core framework we have the usual set of various driver
updates and non-critical fixes. The dirstat shows that the new
Baikal-T1 driver is the largest addition this time around in terms of
lines of code. After that the x86 (Intel), Qualcomm, and Mediatek
drivers introduce many lines to support new or upcoming SoCs. After
that the dirstat shows the usual suspects working on their SoC support
by fixing minor bugs, correcting data and converting some of their DT
bindings to YAML.
Core:
- Allow the COMMON_CLK config to be selectable
New Drivers:
- Clk driver for Baikal-T1 SoCs
- Mediatek MT6765 clock support
- Support for Intel Agilex clks
- Add support for X1830 and X1000 Ingenic SoC clk controllers
- Add support for the new Renesas RZ/G1H (R8A7742) SoC
- Add support for Qualcomm's MSM8939 Generic Clock Controller
Updates:
- Support IDT VersaClock 5P49V5925
- Bunch of updates for HSDK clock generation unit (CGU) driver
- Start making audio and GPU clks work on Marvell MMP2/MMP3 SoCs
- Add some GPU, NPU, and UFS clks to Qualcomm SM8150 driver
- Enable supply regulators for GPU gdscs on Qualcomm SoCs
- Add support for Si5342, Si5344 and Si5345 chips
- Support custom flags in Xilinx zynq firmware
- Various small fixes to the Xilinx clk driver
- A single minor rounding fix for the legacy Allwinner clock support
- A few patches from Abel Vesa as preparation of adding audiomix
clock support on i.MX
- A couple of cleanups from Anson Huang for i.MX clk-sscg-pll and
clk-pllv3 drivers
- Drop dependency on ARM64 for i.MX8M clock driver, to support
aarch32 mode on aarch64 hardware
- A series from Peng Fan to improve i.MX8M clock drivers, using
composite clock for core and bus clk slice
- Set a better parent clock for flexcan on i.MX6UL to support CiA102
defined bit rates
- A couple changes for EMC frequency scaling on Tegra210
- Support for CPU frequency scaling on Tegra20/Tegra30
- New clk gate for CSI test pattern generator on Tegra210
- Regression fixes for Samsung exynos542x and exynos5433 SoCs
- Use of fallthrough; attribute for Samsung s3c24xx
- Updates and fixup HDMI and video clocks on Meson8b
- Fixup reset polarity on Meson8b
- Fix GPU glitch free mux switch on Meson gx and g12
- A minor fix for the currently unused suspend/resume handling on
Renesas RZ/A1 and RZ/A2
- Two more conversions of Renesas DT bindings to json-schema
- Add support for the USB 2.0 clock selector on Renesas R-Car M3-W+"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (155 commits)
clk: mediatek: Remove ifr{0,1}_cfg_regs structures
clk: baikal-t1: remove redundant assignment to variable 'divider'
clk: baikal-t1: fix spelling mistake "Uncompatible" -> "Incompatible"
dt-bindings: clock: Add a missing include to MMP Audio Clock binding
dt: Add bindings for IDT VersaClock 5P49V5925
clk: vc5: Add support for IDT VersaClock 5P49V6965
clk: Add Baikal-T1 CCU Dividers driver
clk: Add Baikal-T1 CCU PLLs driver
dt-bindings: clk: Add Baikal-T1 CCU Dividers binding
dt-bindings: clk: Add Baikal-T1 CCU PLLs binding
clk: mediatek: assign the initial value to clk_init_data of mtk_mux
clk: mediatek: Add MT6765 clock support
clk: mediatek: add mt6765 clock IDs
dt-bindings: clock: mediatek: document clk bindings vcodecsys for Mediatek MT6765 SoC
dt-bindings: clock: mediatek: document clk bindings mipi0a for Mediatek MT6765 SoC
dt-bindings: clock: mediatek: document clk bindings for Mediatek MT6765 SoC
CLK: HSDK: CGU: add support for 148.5MHz clock
CLK: HSDK: CGU: support PLL bypassing
CLK: HSDK: CGU: check if PLL is bypassed first
clk: clk-si5341: Add support for the Si5345 series
...
kobject:
* Increase number of allowed uevent variables
power-supply core:
* Add power-supply type in uevent
* Cleanup property handling in core
* Make property and usb_type pointers const
* Convert core power-supply DT binding to YAML
* Cleanup HWMON code
* Add new health status "calibration required"
* Add new properties for manufacture date and
capacity error margin
battery drivers:
* new cw2015 battery driver used by pine64 Pinebook Pro laptop
* axp22: blacklist on Meegopad T02
* sc27xx: support current/voltage reading
* max17042: support time-to-empty reading
* simple-battery: add more battery parameters
* bq27xxx: convert DT binding document to YAML
* sbs-battery: add TI BQ20Z65 support, fix technology property, convert
DT binding to YAML, add option to disable charger
broadcasts, add new properties: manufacture date,
capacity error margin, average current, charge current
and voltage and support calibration required health
status
* misc. fixes
charger drivers:
* bq25890: cleanup, implement charge type, precharge current and input
current limiting properties
* bd70528: use new linear range helper library
* bd99954: new charger driver
* mp2629: new charger driver
* misc. fixes
reboot drivers:
* oxnas-restart: introduce new driver
* syscon-reboot: convert DT binding to YAML, add parent syscon device support
* misc. fixes
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Merge tag 'for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"This time there are lots of changes. Quite a few changes to the core,
lots of driver changes and one change to kobject core (with Ack from
Greg).
Summary:
kobject:
- Increase number of allowed uevent variables
power-supply core:
- Add power-supply type in uevent
- Cleanup property handling in core
- Make property and usb_type pointers const
- Convert core power-supply DT binding to YAML
- Cleanup HWMON code
- Add new health status "calibration required"
- Add new properties for manufacture date and capacity error margin
battery drivers:
- new cw2015 battery driver used by pine64 Pinebook Pro laptop
- axp22: blacklist on Meegopad T02
- sc27xx: support current/voltage reading
- max17042: support time-to-empty reading
- simple-battery: add more battery parameters
- bq27xxx: convert DT binding document to YAML
- sbs-battery: add TI BQ20Z65 support, fix technology property,
convert DT binding to YAML, add option to disable charger
broadcasts, add new properties: manufacture date, capacity
error margin, average current, charge current and voltage and
support calibration required health status
- misc fixes
charger drivers:
- bq25890: cleanup, implement charge type, precharge current and
input current limiting properties
- bd70528: use new linear range helper library
- bd99954: new charger driver
- mp2629: new charger driver
- misc fixes
reboot drivers:
- oxnas-restart: introduce new driver
- syscon-reboot: convert DT binding to YAML, add parent syscon device
support
- misc fixes"
* tag 'for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (85 commits)
power: supply: cw2015: Attach OF ID table to the driver
power: reset: gpio-poweroff: add missing '\n' in dev_err()
Revert "power: supply: sbs-battery: simplify read_read_string_data"
Revert "power: supply: sbs-battery: add PEC support"
dt-bindings: power: sbs-battery: Convert to yaml
power: supply: sbs-battery: constify power-supply property array
power: supply: sbs-battery: switch to i2c's probe_new
power: supply: sbs-battery: switch from of_property_* to device_property_*
power: supply: sbs-battery: add ability to disable charger broadcasts
power: supply: sbs-battery: fix idle battery status
power: supply: sbs-battery: add POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED support
power: supply: sbs-battery: add MANUFACTURE_DATE support
power: supply: sbs-battery: add POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT/VOLTAGE_MAX support
power: supply: sbs-battery: Improve POWER_SUPPLY_PROP_TECHNOLOGY support
power: supply: sbs-battery: add POWER_SUPPLY_PROP_CURRENT_AVG support
power: supply: sbs-battery: add PEC support
power: supply: sbs-battery: simplify read_read_string_data
power: supply: sbs-battery: add POWER_SUPPLY_PROP_CAPACITY_ERROR_MARGIN support
power: supply: sbs-battery: Add TI BQ20Z65 support
power: supply: core: add POWER_SUPPLY_HEALTH_CALIBRATION_REQUIRED
...
No user pointers for sysctls anymore.
Fixes: 32927393dc ("sysctl: pass kernel pointers to ->proc_handler")
Reported-by: build test robot <lkp@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Bunch of updates to drivers like dmatest, dw-edma, ioat,
mmp-tdma and k3-udma along with Renesas binding update to json-schema
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Merge tag 'dmaengine-5.8-rc1' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine updates from Vinod Koul:
"A fairly small dmaengine update which includes mostly driver updates
(dmatest, dw-edma, ioat, mmp-tdma and k3-udma) along with Renesas
binding update to json-schema"
* tag 'dmaengine-5.8-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (39 commits)
dmaengine: imx-sdma: initialize all script addresses
dmaengine: ti: k3-udma: Use proper return code in alloc_chan_resources
dmaengine: ti: k3-udma: Remove udma_chan.in_ring_cnt
dmaengine: ti: k3-udma: Add missing dma_sync call for rx flush descriptor
dmaengine: at_xdmac: Replace zero-length array with flexible-array
dmaengine: at_hdmac: Replace zero-length array with flexible-array
dmaengine: qcom: bam_dma: Replace zero-length array with flexible-array
dmaengine: ti: k3-udma: Use PTR_ERR_OR_ZERO() to simplify code
dmaengine: moxart-dma: Drop pointless static qualifier in moxart_probe()
dmaengine: sf-pdma: Simplify the error handling path in 'sf_pdma_probe()'
dmaengine: qcom_hidma: use true,false for bool variable
dmaengine: dw-edma: support local dma device transfer semantics
dmaengine: Fix doc strings to satisfy validation script
dmaengine: Include dmaengine.h into dmaengine.c
dmaengine: dmatest: Describe members of struct dmatest_info
dmaengine: dmatest: Describe members of struct dmatest_params
dmaengine: dmatest: Allow negative timeout value to specify infinite wait
Revert "dmaengine: dmatest: timeout value of -1 should specify infinite wait"
dmaengine: stm32-dma: direct mode support through device tree
dt-bindings: dma: add direct mode support through device tree in stm32-dma
...
* acpica:
ACPICA: Update version to 20200528
ACPICA: iASL: add new OperationRegion subtype keyword PlatformRtMechanism
ACPICA: acpidump: Removed dead code from oslinuxtbl.c
* pm-cpufreq:
cpufreq: CPPC: add SW BOOST support
cpufreq: change '.set_boost' to act on one policy
cpufreq: tegra186: add CPUFREQ_NEED_INITIAL_FREQ_CHECK flag
* pm-acpi:
ACPI: PM: Avoid using power resources if there are none for D0
* pm-opp:
opp: Don't parse icc paths unnecessarily
opp: Remove bandwidth votes when target_freq is zero
opp: core: add regulators enable and disable
opp: Reorder the code for !target_freq case
opp: Expose bandwidth information via debugfs
cpufreq: dt: Add support for interconnect bandwidth scaling
opp: Update the bandwidth on OPP frequency changes
opp: Add sanity checks in _read_opp_key()
opp: Add support for parsing interconnect bandwidth
interconnect: Remove unused module exit code from core
interconnect: Disallow interconnect core to be built as a module
interconnect: Add of_icc_get_by_index() helper function
OPP: Add helpers for reading the binding properties
dt-bindings: opp: Introduce opp-peak-kBps and opp-avg-kBps bindings
Instead of directly calling RISC-V timer interrupt handler from
RISC-V local interrupt conntroller driver, this patch implements
RISC-V timer interrupt as a per-CPU interrupt using per-CPU APIs
of Linux IRQ subsystem.
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Reviewed-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
