The arch-specific Kconfig files use HAVE_IDE to indicate if IDE is
supported.
As IDE support and the HAVE_IDE config vanishes with commit b7fb14d3ac
("ide: remove the legacy ide driver"), there is no need to mention
HAVE_IDE in all those arch-specific Kconfig files.
The issue was identified with ./scripts/checkkconfigsymbols.py.
Fixes: b7fb14d3ac ("ide: remove the legacy ide driver")
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210728182115.4401-1-lukas.bulwahn@gmail.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Data transfers are not required to be block aligned in memory, so they
span two pages. Fix this by splitting the call to >sff_data_xfer into
two for that case.
This has been broken since the initial libata import before the damn
of git, but was uncovered by the legacy ide driver removal.
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210709130237.3730959-1-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
dma-buf:
- doc fixes
amdgpu:
- Misc Navi fixes
- Powergating fix
- Yellow Carp updates
- Beige Goby updates
- S0ix fix
- Revert overlay validation fix
- GPU reset fix for DC
- PPC64 fix
- Add new dimgrey cavefish DID
- RAS fix
- TTM fixes
amdkfd:
- SVM fixes
radeon:
- Fix missing drm_gem_object_put in error path
- NULL ptr deref fix
i915:
- display DP VSC fix
- DG1 display fix
- IRQ fixes
- IRQ demidlayering
gma500:
- bo leaks in error paths fixed
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Merge tag 'drm-next-2021-07-08-1' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"Some fixes for rc1 that came in the past weeks, mainly a bunch of
amdgpu fixes, some i915 and the rest are misc around the place. I'm
sending this a bit early so some more stuff may show up, but I'll
probably take tomorrow off.
dma-buf:
- doc fixes
amdgpu:
- Misc Navi fixes
- Powergating fix
- Yellow Carp updates
- Beige Goby updates
- S0ix fix
- Revert overlay validation fix
- GPU reset fix for DC
- PPC64 fix
- Add new dimgrey cavefish DID
- RAS fix
- TTM fixes
amdkfd:
- SVM fixes
radeon:
- Fix missing drm_gem_object_put in error path
- NULL ptr deref fix
i915:
- display DP VSC fix
- DG1 display fix
- IRQ fixes
- IRQ demidlayering
gma500:
- bo leaks in error paths fixed"
* tag 'drm-next-2021-07-08-1' of git://anongit.freedesktop.org/drm/drm: (52 commits)
drm/i915: Drop all references to DRM IRQ midlayer
drm/i915: Use the correct IRQ during resume
drm/i915/display/dg1: Correctly map DPLLs during state readout
drm/i915/display: Do not zero past infoframes.vsc
drm/amdgpu: Conditionally reset SDMA RAS error counts
drm/amdkfd: Maintain svm_bo reference in page->zone_device_data
drm/amdkfd: add invalid pages debug at vram migration
drm/amdkfd: skip migration for pages already in VRAM
drm/amdkfd: skip invalid pages during migrations
drm/amdkfd: classify and map mixed svm range pages in GPU
drm/amdkfd: use hmm range fault to get both domain pfns
drm/amdgpu: get owner ref in validate and map
drm/amdkfd: set owner ref to svm range prefault
drm/amdkfd: add owner ref param to get hmm pages
drm/amdkfd: device pgmap owner at the svm migrate init
drm/amdkfd: inc counter on child ranges with xnack off
drm/amd/display: Extend DMUB diagnostic logging to DCN3.1
drm/amdgpu: Update NV SIMD-per-CU to 2
drm/amdgpu: add new dimgrey cavefish DID
drm/amd/pm: skip PrepareMp1ForUnload message in s0ix
...
This contains mostly various fixes, cleanups and some conversions to the
atomic API. One noteworthy change is that PWM consumers can now pass a
hint to the PWM core about the PWM usage, enabling PWM providers to
implement various optimizations.
There's also a fair bit of simplification here with the addition of some
device-managed helpers as well as unification between the DT and ACPI
firmware interfaces.
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Merge tag 'pwm/for-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This contains mostly various fixes, cleanups and some conversions to
the atomic API. One noteworthy change is that PWM consumers can now
pass a hint to the PWM core about the PWM usage, enabling PWM
providers to implement various optimizations.
There's also a fair bit of simplification here with the addition of
some device-managed helpers as well as unification between the DT and
ACPI firmware interfaces"
* tag 'pwm/for-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (50 commits)
pwm: Remove redundant assignment to pointer pwm
pwm: ep93xx: Fix read of uninitialized variable ret
pwm: ep93xx: Prepare clock before using it
pwm: ep93xx: Unfold legacy callbacks into ep93xx_pwm_apply()
pwm: ep93xx: Implement .apply callback
pwm: vt8500: Only unprepare the clock after the pwmchip was removed
pwm: vt8500: Drop if with an always false condition
pwm: tegra: Assert reset only after the PWM was unregistered
pwm: tegra: Don't needlessly enable and disable the clock in .remove()
pwm: tegra: Don't modify HW state in .remove callback
pwm: tegra: Drop an if block with an always false condition
pwm: core: Simplify some devm_*pwm*() functions
pwm: core: Remove unused devm_pwm_put()
pwm: core: Unify fwnode checks in the module
pwm: core: Reuse fwnode_to_pwmchip() in ACPI case
pwm: core: Convert to use fwnode for matching
docs: firmware-guide: ACPI: Add a PWM example
dt-bindings: pwm: pwm-tiecap: Add compatible string for AM64 SoC
dt-bindings: pwm: pwm-tiecap: Convert to json schema
pwm: sprd: Don't check the return code of pwmchip_remove()
...
- A handful of fixes for lmk04832 driver
- Migrate the basic clk divider to use determine rate ops
- Fix modpost build for hisilicon hi3559a driver
- Actually set the parent in k210_clk_set_parent()
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull more clk updates from Stephen Boyd:
- A handful of fixes for lmk04832 driver
- Migrate the basic clk divider to use determine rate ops
- Fix modpost build for hisilicon hi3559a driver
- Actually set the parent in k210_clk_set_parent()
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
Revert "clk: divider: Switch from .round_rate to .determine_rate by default"
clk: hisilicon: hi3559a: Drop __init markings everywhere
clk: meson: regmap: switch to determine_rate for the dividers
clk: divider: Switch from .round_rate to .determine_rate by default
clk: divider: Add re-usable determine_rate implementations
clk: k210: Fix k210_clk_set_parent()
clk: lmk04832: Fix spelling mistakes in dev_err messages and comments
clk: lmk04832: fix return value check in lmk04832_probe()
clk: stm32mp1: fix missing spin_lock_init()
We must properly handle an errors when we increase the rlimit counter
and the ucounts reference counter. We have to this with RCU protection
to prevent possible use-after-free that could occur due to concurrent
put_cred_rcu().
The following reproducer triggers the problem:
$ cat testcase.sh
case "${STEP:-0}" in
0)
ulimit -Si 1
ulimit -Hi 1
STEP=1 unshare -rU "$0"
killall sleep
;;
1)
for i in 1 2 3 4 5; do unshare -rU sleep 5 & done
;;
esac
with the KASAN report being along the lines of
BUG: KASAN: use-after-free in put_ucounts+0x17/0xa0
Write of size 4 at addr ffff8880045f031c by task swapper/2/0
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.13.0+ #19
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-alt4 04/01/2014
Call Trace:
<IRQ>
put_ucounts+0x17/0xa0
put_cred_rcu+0xd5/0x190
rcu_core+0x3bf/0xcb0
__do_softirq+0xe3/0x341
irq_exit_rcu+0xbe/0xe0
sysvec_apic_timer_interrupt+0x6a/0x90
</IRQ>
asm_sysvec_apic_timer_interrupt+0x12/0x20
default_idle_call+0x53/0x130
do_idle+0x311/0x3c0
cpu_startup_entry+0x14/0x20
secondary_startup_64_no_verify+0xc2/0xcb
Allocated by task 127:
kasan_save_stack+0x1b/0x40
__kasan_kmalloc+0x7c/0x90
alloc_ucounts+0x169/0x2b0
set_cred_ucounts+0xbb/0x170
ksys_unshare+0x24c/0x4e0
__x64_sys_unshare+0x16/0x20
do_syscall_64+0x37/0x70
entry_SYSCALL_64_after_hwframe+0x44/0xae
Freed by task 0:
kasan_save_stack+0x1b/0x40
kasan_set_track+0x1c/0x30
kasan_set_free_info+0x20/0x30
__kasan_slab_free+0xeb/0x120
kfree+0xaa/0x460
put_cred_rcu+0xd5/0x190
rcu_core+0x3bf/0xcb0
__do_softirq+0xe3/0x341
The buggy address belongs to the object at ffff8880045f0300
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 28 bytes inside of
192-byte region [ffff8880045f0300, ffff8880045f03c0)
The buggy address belongs to the page:
page:000000008de0a388 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880045f0000 pfn:0x45f0
flags: 0x100000000000200(slab|node=0|zone=1)
raw: 0100000000000200 ffffea00000f4640 0000000a0000000a ffff888001042a00
raw: ffff8880045f0000 000000008010000d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8880045f0200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8880045f0280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff8880045f0300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8880045f0380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff8880045f0400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Disabling lock debugging due to kernel taint
Fixes: d646969055 ("Reimplement RLIMIT_SIGPENDING on top of ucounts")
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Alexey Gladkov <legion@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
a bug fix of IRQs usages and cleanup references to the DRM IRQ midlayer.
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Merge tag 'drm-intel-next-fixes-2021-07-07' of git://anongit.freedesktop.org/drm/drm-intel into drm-next
One fix targeting stable for display DP VSC, plus DG1 display fix and
a bug fix of IRQs usages and cleanup references to the DRM IRQ midlayer.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YOXDp/+CFDgJ2/7f@intel.com
- Fix up the recently added Platform Runtime Mechanism (PRM)
support by correnting a couple of implementation mistakes in it
and adding a Kconfig help text to describe it (Aubrey Li,
Rafael Wysocki).
- Add backlight quirk for Dell Vostro 3350 (Hans de Goede).
- Avoid spurious wakeups from suspend-to-idle on non-Intel platforms
by restricting special EC GPE handling to the Intel ones (Mario
Limonciello).
- Modify the AMBA bus support in ACPI to avoid adding using
resource names in /proc/iomem (Liguang Zhang).
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Merge tag 'acpi-5.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These include fixes of the recently introduced support for the
Platform Runtime Mechanism (PRM) feature, a new backlight quirk, a
suspend-to-idle wakeup fix for non-Intel platforms and a fix for the
AMBA bus resource list in /proc/iomem.
Specifics:
- Fix up the recently added Platform Runtime Mechanism (PRM) support
by correnting a couple of implementation mistakes in it and adding
a Kconfig help text to describe it (Aubrey Li, Rafael Wysocki).
- Add backlight quirk for Dell Vostro 3350 (Hans de Goede).
- Avoid spurious wakeups from suspend-to-idle on non-Intel platforms
by restricting special EC GPE handling to the Intel ones (Mario
Limonciello).
- Modify the AMBA bus support in ACPI to avoid adding using resource
names in /proc/iomem (Liguang Zhang)"
* tag 'acpi-5.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: Do not singal PRM support if not enabled
ACPI: Correct \_SB._OSC bit definition for PRM
ACPI: Kconfig: Provide help text for the ACPI_PRMT option
ACPI: PM: Only mark EC GPE for wakeup on Intel systems
ACPI: video: Add quirk for the Dell Vostro 3350
ACPI: AMBA: Fix resource name in /proc/iomem
- Drop the ->stop_cpu() (not really useful) and ->resolve_freq()
(unused) cpufreq driver callbacks and modify the users of the
former accordingly (Viresh Kumar, Rafael Wysocki).
- Add frequency invariance support to the ACPI CPPC cpufreq driver
again along with the related fixes and cleanups (Viresh Kumar).
- Update the Meditak, qcom and SCMI ARM cpufreq drivers (Fabien
Parent, Seiya Wang, Sibi Sankar, Christophe JAILLET).
- Rename black/white-lists in the DT cpufreq driver (Viresh Kumar).
- Add generic performance domains support to the dvfs DT bindings
(Sudeep Holla).
- Refine locking in the generic power domains (genpd) support code
to avoid lock dependency issues (Stephen Boyd).
- Update the MSM and qcom ARM cpuidle drivers (Bartosz Dudziak).
- Simplify the PM core debug code by using ktime_us_delta() to
compute time interval lengths (Mark-PK Tsai).
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Merge tag 'pm-5.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These include cpufreq core simplifications and fixes, cpufreq driver
updates, cpuidle driver update, a generic power domains (genpd)
locking fix and a debug-related simplification of the PM core.
Specifics:
- Drop the ->stop_cpu() (not really useful) and ->resolve_freq()
(unused) cpufreq driver callbacks and modify the users of the
former accordingly (Viresh Kumar, Rafael Wysocki).
- Add frequency invariance support to the ACPI CPPC cpufreq driver
again along with the related fixes and cleanups (Viresh Kumar).
- Update the Meditak, qcom and SCMI ARM cpufreq drivers (Fabien
Parent, Seiya Wang, Sibi Sankar, Christophe JAILLET).
- Rename black/white-lists in the DT cpufreq driver (Viresh Kumar).
- Add generic performance domains support to the dvfs DT bindings
(Sudeep Holla).
- Refine locking in the generic power domains (genpd) support code to
avoid lock dependency issues (Stephen Boyd).
- Update the MSM and qcom ARM cpuidle drivers (Bartosz Dudziak).
- Simplify the PM core debug code by using ktime_us_delta() to
compute time interval lengths (Mark-PK Tsai)"
* tag 'pm-5.14-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (21 commits)
PM: domains: Shrink locking area of the gpd_list_lock
PM: sleep: Use ktime_us_delta() in initcall_debug_report()
cpufreq: CPPC: Add support for frequency invariance
arch_topology: Avoid use-after-free for scale_freq_data
cpufreq: CPPC: Pass structure instance by reference
cpufreq: CPPC: Fix potential memleak in cppc_cpufreq_cpu_init
cpufreq: Remove ->resolve_freq()
cpufreq: Reuse cpufreq_driver_resolve_freq() in __cpufreq_driver_target()
cpufreq: Remove the ->stop_cpu() driver callback
cpufreq: powernv: Migrate to ->exit() callback instead of ->stop_cpu()
cpufreq: CPPC: Migrate to ->exit() callback instead of ->stop_cpu()
cpufreq: intel_pstate: Combine ->stop_cpu() and ->offline()
cpuidle: qcom: Add SPM register data for MSM8226
dt-bindings: arm: msm: Add SAW2 for MSM8226
dt-bindings: cpufreq: update cpu type and clock name for MT8173 SoC
clk: mediatek: remove deprecated CLK_INFRA_CA57SEL for MT8173 SoC
cpufreq: dt: Rename black/white-lists
cpufreq: scmi: Fix an error message
cpufreq: mediatek: add support for mt8365
dt-bindings: dvfs: Add support for generic performance domains
...
- add tracepoints for callbacks and for client creation and
destruction
- cache the mounts used for server-to-server copies
- expose callback information in /proc/fs/nfsd/clients/*/info
- don't hold locks unnecessarily while waiting for commits
- update NLM to use xdr_stream, as we have for NFSv2/v3/v4
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Merge tag 'nfsd-5.14' of git://linux-nfs.org/~bfields/linux
Pull nfsd updates from Bruce Fields:
- add tracepoints for callbacks and for client creation and destruction
- cache the mounts used for server-to-server copies
- expose callback information in /proc/fs/nfsd/clients/*/info
- don't hold locks unnecessarily while waiting for commits
- update NLM to use xdr_stream, as we have for NFSv2/v3/v4
* tag 'nfsd-5.14' of git://linux-nfs.org/~bfields/linux: (69 commits)
nfsd: fix NULL dereference in nfs3svc_encode_getaclres
NFSD: Prevent a possible oops in the nfs_dirent() tracepoint
nfsd: remove redundant assignment to pointer 'this'
nfsd: Reduce contention for the nfsd_file nf_rwsem
lockd: Update the NLMv4 SHARE results encoder to use struct xdr_stream
lockd: Update the NLMv4 nlm_res results encoder to use struct xdr_stream
lockd: Update the NLMv4 TEST results encoder to use struct xdr_stream
lockd: Update the NLMv4 void results encoder to use struct xdr_stream
lockd: Update the NLMv4 FREE_ALL arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 SHARE arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 SM_NOTIFY arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 nlm_res arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 UNLOCK arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 CANCEL arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 LOCK arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 TEST arguments decoder to use struct xdr_stream
lockd: Update the NLMv4 void arguments decoder to use struct xdr_stream
lockd: Update the NLMv1 SHARE results encoder to use struct xdr_stream
lockd: Update the NLMv1 nlm_res results encoder to use struct xdr_stream
lockd: Update the NLMv1 TEST results encoder to use struct xdr_stream
...
The pointer pwm 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.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Summary of modules changes for the 5.14 merge window:
- Fix incorrect logic in module_kallsyms_on_each_symbol()
- Fix for a Coccinelle warning
Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
Pull module updates from Jessica Yu:
- Fix incorrect logic in module_kallsyms_on_each_symbol()
- Fix for a Coccinelle warning
* tag 'modules-for-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
module: correctly exit module_kallsyms_on_each_symbol when fn() != 0
kernel/module: Use BUG_ON instead of if condition followed by BUG
* acpi-misc:
ACPI: AMBA: Fix resource name in /proc/iomem
* acpi-video:
ACPI: video: Add quirk for the Dell Vostro 3350
* acpi-prm:
ACPI: Do not singal PRM support if not enabled
ACPI: Correct \_SB._OSC bit definition for PRM
ACPI: Kconfig: Provide help text for the ACPI_PRMT option
* pm-cpuidle:
cpuidle: qcom: Add SPM register data for MSM8226
dt-bindings: arm: msm: Add SAW2 for MSM8226
* pm-sleep:
PM: sleep: Use ktime_us_delta() in initcall_debug_report()
* pm-domains:
PM: domains: Shrink locking area of the gpd_list_lock
- Prevent sigaltstack out of bounds writes. The kernel unconditionally
writes the FPU state to the alternate stack without checking whether
the stack is large enough to accomodate it.
Check the alternate stack size before doing so and in case it's too
small force a SIGSEGV instead of silently corrupting user space data.
- MINSIGSTKZ and SIGSTKSZ are constants in signal.h and have never been
updated despite the fact that the FPU state which is stored on the
signal stack has grown over time which causes trouble in the field
when AVX512 is available on a CPU. The kernel does not expose the
minimum requirements for the alternate stack size depending on the
available and enabled CPU features.
ARM already added an aux vector AT_MINSIGSTKSZ for the same reason.
Add it to x86 as well
- A major cleanup of the x86 FPU code. The recent discoveries of XSTATE
related issues unearthed quite some inconsistencies, duplicated code
and other issues.
The fine granular overhaul addresses this, makes the code more robust
and maintainable, which allows to integrate upcoming XSTATE related
features in sane ways.
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Merge tag 'x86-fpu-2021-07-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fpu updates from Thomas Gleixner:
"Fixes and improvements for FPU handling on x86:
- Prevent sigaltstack out of bounds writes.
The kernel unconditionally writes the FPU state to the alternate
stack without checking whether the stack is large enough to
accomodate it.
Check the alternate stack size before doing so and in case it's too
small force a SIGSEGV instead of silently corrupting user space
data.
- MINSIGSTKZ and SIGSTKSZ are constants in signal.h and have never
been updated despite the fact that the FPU state which is stored on
the signal stack has grown over time which causes trouble in the
field when AVX512 is available on a CPU. The kernel does not expose
the minimum requirements for the alternate stack size depending on
the available and enabled CPU features.
ARM already added an aux vector AT_MINSIGSTKSZ for the same reason.
Add it to x86 as well.
- A major cleanup of the x86 FPU code. The recent discoveries of
XSTATE related issues unearthed quite some inconsistencies,
duplicated code and other issues.
The fine granular overhaul addresses this, makes the code more
robust and maintainable, which allows to integrate upcoming XSTATE
related features in sane ways"
* tag 'x86-fpu-2021-07-07' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (74 commits)
x86/fpu/xstate: Clear xstate header in copy_xstate_to_uabi_buf() again
x86/fpu/signal: Let xrstor handle the features to init
x86/fpu/signal: Handle #PF in the direct restore path
x86/fpu: Return proper error codes from user access functions
x86/fpu/signal: Split out the direct restore code
x86/fpu/signal: Sanitize copy_user_to_fpregs_zeroing()
x86/fpu/signal: Sanitize the xstate check on sigframe
x86/fpu/signal: Remove the legacy alignment check
x86/fpu/signal: Move initial checks into fpu__restore_sig()
x86/fpu: Mark init_fpstate __ro_after_init
x86/pkru: Remove xstate fiddling from write_pkru()
x86/fpu: Don't store PKRU in xstate in fpu_reset_fpstate()
x86/fpu: Remove PKRU handling from switch_fpu_finish()
x86/fpu: Mask PKRU from kernel XRSTOR[S] operations
x86/fpu: Hook up PKRU into ptrace()
x86/fpu: Add PKRU storage outside of task XSAVE buffer
x86/fpu: Dont restore PKRU in fpregs_restore_userspace()
x86/fpu: Rename xfeatures_mask_user() to xfeatures_mask_uabi()
x86/fpu: Move FXSAVE_LEAK quirk info __copy_kernel_to_fpregs()
x86/fpu: Rename __fpregs_load_activate() to fpregs_restore_userregs()
...
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Merge tag 'for-linus-5.14-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
"Only two minor patches this time: one cleanup patch and one patch
refreshing a Xen header"
* tag 'for-linus-5.14-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: sync include/xen/interface/io/ring.h with Xen's newest version
xen: Use DEVICE_ATTR_*() macro
Hi Linus,
Please, pull the following patches that fix many fall-through warnings
when building with Clang 12.0.0 and this[1] change reverted. Notice
that in order to enable -Wimplicit-fallthrough for Clang, such change[1]
is meant to be reverted at some point. So, these patches help to move
in that direction.
Thanks!
[1] commit e2079e93f5 ("kbuild: Do not enable -Wimplicit-fallthrough for clang for now")
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Merge tag 'Wimplicit-fallthrough-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux
Pull more fallthrough fixes from Gustavo Silva:
"Fix maore fall-through warnings when building the kernel with clang
and '-Wimplicit-fallthrough'"
* tag 'Wimplicit-fallthrough-clang-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
Input: Fix fall-through warning for Clang
scsi: aic94xx: Fix fall-through warning for Clang
i3c: master: cdns: Fix fall-through warning for Clang
net/mlx4: Fix fall-through warning for Clang
This adds a driver for the hardware spinlock in Allwinner sun6i.
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Merge tag 'hwlock-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull hwspinlock updates from Bjorn Andersson:
"This adds a driver for the hardware spinlock in Allwinner sun6i"
* tag 'hwlock-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc:
dt-bindings: hwlock: sun6i: Fix various warnings in binding
hwspinlock: add sun6i hardware spinlock support
dt-bindings: hwlock: add sun6i_hwspinlock
This adds support for controlling the PRU and R5F clusters on the TI
AM64x, the remote processor in i.MX7ULP, i.MX8MN/P and i.MX8ULP NXP and
the audio, compute and modem remoteprocs in the Qualcomm SC8180x
platform.
It fixes improper ordering of cdev and device creation of the remoteproc
control interface and it fixes resource leaks in the error handling path
of rproc_add() and the Qualcomm modem and wifi remoteproc drivers.
Lastly it fixes a few build warnings and replace the dummy parameter
passed in the mailbox api of the stm32 driver to something not living on
the stack.
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Merge tag 'rproc-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This adds support for controlling the PRU and R5F clusters on the TI
AM64x, the remote processor in i.MX7ULP, i.MX8MN/P and i.MX8ULP NXP
and the audio, compute and modem remoteprocs in the Qualcomm SC8180x
platform.
It fixes improper ordering of cdev and device creation of the
remoteproc control interface and it fixes resource leaks in the error
handling path of rproc_add() and the Qualcomm modem and wifi
remoteproc drivers.
Lastly it fixes a few build warnings and replace the dummy parameter
passed in the mailbox api of the stm32 driver to something not living
on the stack"
* tag 'rproc-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc: (32 commits)
remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss
dt-bindings: remoteproc: qcom: pas: Add SC8180X adsp, cdsp and mpss
remoteproc: imx_rproc: support i.MX8ULP
dt-bindings: remoteproc: imx_rproc: support i.MX8ULP
remoteproc: stm32: fix mbox_send_message call
remoteproc: core: Cleanup device in case of failure
remoteproc: core: Fix cdev remove and rproc del
remoteproc: core: Move validate before device add
remoteproc: core: Move cdev add before device add
remoteproc: pru: Add support for various PRU cores on K3 AM64x SoCs
dt-bindings: remoteproc: pru: Update bindings for K3 AM64x SoCs
remoteproc: qcom_wcnss: Use devm_qcom_smem_state_get()
remoteproc: qcom_q6v5: Use devm_qcom_smem_state_get() to fix missing put()
soc: qcom: smem_state: Add devm_qcom_smem_state_get()
dt-bindings: remoteproc: qcom: pas: Fix indentation warnings
remoteproc: imx-rproc: Fix IMX_REMOTEPROC configuration
remoteproc: imx_rproc: support i.MX8MN/P
remoteproc: imx_rproc: support i.MX7ULP
remoteproc: imx_rproc: make clk optional
remoteproc: imx_rproc: initial support for mutilple start/stop method
...
In error cases the dentry may be NULL.
Before 20798dfe24, the encoder also checked dentry and
d_really_is_positive(dentry), but that looks like overkill to me--zero
status should be enough to guarantee a positive dentry.
This isn't the first time we've seen an error-case NULL dereference
hidden in the initialization of a local variable in an xdr encoder. But
I went back through the other recent rewrites and didn't spot any
similar bugs.
Reported-by: JianHong Yin <jiyin@redhat.com>
Reviewed-by: Chuck Lever III <chuck.lever@oracle.com>
Fixes: 20798dfe24 ("NFSD: Update the NFSv3 GETACL result encoder...")
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
The double copy of the string is a mistake, plus __assign_str()
uses strlen(), which is wrong to do on a string that isn't
guaranteed to be NUL-terminated.
Fixes: 6019ce0742 ("NFSD: Add a tracepoint to record directory entry encoding")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
The pointer 'this' 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.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
When flushing out the unstable file writes as part of a COMMIT call, try
to perform most of of the data writes and waits outside the semaphore.
This means that if the client is sending the COMMIT as part of a memory
reclaim operation, then it can continue performing I/O, with contention
for the lock occurring only once the data sync is finished.
Fixes: 5011af4c69 ("nfsd: Fix stable writes")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
