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9b725a90a8
948908 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Shawn Anastasio
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9b725a90a8 |
powerpc/64s: Disallow PROT_SAO in LPARs by default
Since migration of guests using SAO to ISA 3.1 hosts may cause issues, disable PROT_SAO in LPARs by default and introduce a new Kconfig option PPC_PROT_SAO_LPAR to allow users to enable it if desired. Signed-off-by: Shawn Anastasio <shawn@anastas.io> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200821185558.35561-3-shawn@anastas.io |
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Shawn Anastasio
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12564485ed |
Revert "powerpc/64s: Remove PROT_SAO support"
This reverts commit
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Kajol Jain
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64ef8f2c47 |
powerpc/perf/hv-24x7: Move cpumask file to top folder of hv-24x7 driver
Commit |
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Christophe Leroy
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541cebb51f |
powerpc/32s: Fix module loading failure when VMALLOC_END is over 0xf0000000
In is_module_segment(), when VMALLOC_END is over 0xf0000000,
ALIGN(VMALLOC_END, SZ_256M) has value 0.
In that case, addr >= ALIGN(VMALLOC_END, SZ_256M) is always
true then is_module_segment() always returns false.
Use (ALIGN(VMALLOC_END, SZ_256M) - 1) which will have
value 0xffffffff and will be suitable for the comparison.
Fixes:
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Vasant Hegde
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90a9b102ed |
powerpc/pseries: Do not initiate shutdown when system is running on UPS
As per PAPR we have to look for both EPOW sensor value and event modifier to identify the type of event and take appropriate action. In LoPAPR v1.1 section 10.2.2 includes table 136 "EPOW Action Codes": SYSTEM_SHUTDOWN 3 The system must be shut down. An EPOW-aware OS logs the EPOW error log information, then schedules the system to be shut down to begin after an OS defined delay internal (default is 10 minutes.) Then in section 10.3.2.2.8 there is table 146 "Platform Event Log Format, Version 6, EPOW Section", which includes the "EPOW Event Modifier": For EPOW sensor value = 3 0x01 = Normal system shutdown with no additional delay 0x02 = Loss of utility power, system is running on UPS/Battery 0x03 = Loss of system critical functions, system should be shutdown 0x04 = Ambient temperature too high All other values = reserved We have a user space tool (rtas_errd) on LPAR to monitor for EPOW_SHUTDOWN_ON_UPS. Once it gets an event it initiates shutdown after predefined time. It also starts monitoring for any new EPOW events. If it receives "Power restored" event before predefined time it will cancel the shutdown. Otherwise after predefined time it will shutdown the system. Commit |
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Athira Rajeev
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17899eaf88 |
powerpc/perf: Fix soft lockups due to missed interrupt accounting
Performance monitor interrupt handler checks if any counter has overflown and calls record_and_restart() in core-book3s which invokes perf_event_overflow() to record the sample information. Apart from creating sample, perf_event_overflow() also does the interrupt and period checks via perf_event_account_interrupt(). Currently we record information only if the SIAR (Sampled Instruction Address Register) valid bit is set (using siar_valid() check) and hence the interrupt check. But it is possible that we do sampling for some events that are not generating valid SIAR, and hence there is no chance to disable the event if interrupts are more than max_samples_per_tick. This leads to soft lockup. Fix this by adding perf_event_account_interrupt() in the invalid SIAR code path for a sampling event. ie if SIAR is invalid, just do interrupt check and don't record the sample information. Reported-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Tested-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1596717992-7321-1-git-send-email-atrajeev@linux.vnet.ibm.com |
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Frederic Barrat
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e17a7c0e0a |
powerpc/powernv/pci: Fix possible crash when releasing DMA resources
Fix a typo introduced during recent code cleanup, which could lead to
silently not freeing resources or an oops message (on PCI hotplug or
CAPI reset).
Only impacts ioda2, the code path for ioda1 is correct.
Fixes:
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Michael Roth
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801980f649 |
powerpc/pseries/hotplug-cpu: wait indefinitely for vCPU death
For a power9 KVM guest with XIVE enabled, running a test loop
where we hotplug 384 vcpus and then unplug them, the following traces
can be seen (generally within a few loops) either from the unplugged
vcpu:
cpu 65 (hwid 65) Ready to die...
Querying DEAD? cpu 66 (66) shows 2
list_del corruption. next->prev should be c00a000002470208, but was c00a000002470048
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:56!
Oops: Exception in kernel mode, sig: 5 [#1]
LE SMP NR_CPUS=2048 NUMA pSeries
Modules linked in: fuse nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 ...
CPU: 66 PID: 0 Comm: swapper/66 Kdump: loaded Not tainted 4.18.0-221.el8.ppc64le #1
NIP: c0000000007ab50c LR: c0000000007ab508 CTR: 00000000000003ac
REGS: c0000009e5a17840 TRAP: 0700 Not tainted (4.18.0-221.el8.ppc64le)
MSR: 800000000282b033 <SF,VEC,VSX,EE,FP,ME,IR,DR,RI,LE> CR: 28000842 XER: 20040000
...
NIP __list_del_entry_valid+0xac/0x100
LR __list_del_entry_valid+0xa8/0x100
Call Trace:
__list_del_entry_valid+0xa8/0x100 (unreliable)
free_pcppages_bulk+0x1f8/0x940
free_unref_page+0xd0/0x100
xive_spapr_cleanup_queue+0x148/0x1b0
xive_teardown_cpu+0x1bc/0x240
pseries_mach_cpu_die+0x78/0x2f0
cpu_die+0x48/0x70
arch_cpu_idle_dead+0x20/0x40
do_idle+0x2f4/0x4c0
cpu_startup_entry+0x38/0x40
start_secondary+0x7bc/0x8f0
start_secondary_prolog+0x10/0x14
or on the worker thread handling the unplug:
pseries-hotplug-cpu: Attempting to remove CPU <NULL>, drc index: 1000013a
Querying DEAD? cpu 314 (314) shows 2
BUG: Bad page state in process kworker/u768:3 pfn:95de1
cpu 314 (hwid 314) Ready to die...
page:c00a000002577840 refcount:0 mapcount:-128 mapping:0000000000000000 index:0x0
flags: 0x5ffffc00000000()
raw: 005ffffc00000000 5deadbeef0000100 5deadbeef0000200 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffff7f 0000000000000000
page dumped because: nonzero mapcount
Modules linked in: kvm xt_CHECKSUM ipt_MASQUERADE xt_conntrack ...
CPU: 0 PID: 548 Comm: kworker/u768:3 Kdump: loaded Not tainted 4.18.0-224.el8.bz1856588.ppc64le #1
Workqueue: pseries hotplug workque pseries_hp_work_fn
Call Trace:
dump_stack+0xb0/0xf4 (unreliable)
bad_page+0x12c/0x1b0
free_pcppages_bulk+0x5bc/0x940
page_alloc_cpu_dead+0x118/0x120
cpuhp_invoke_callback.constprop.5+0xb8/0x760
_cpu_down+0x188/0x340
cpu_down+0x5c/0xa0
cpu_subsys_offline+0x24/0x40
device_offline+0xf0/0x130
dlpar_offline_cpu+0x1c4/0x2a0
dlpar_cpu_remove+0xb8/0x190
dlpar_cpu_remove_by_index+0x12c/0x150
dlpar_cpu+0x94/0x800
pseries_hp_work_fn+0x128/0x1e0
process_one_work+0x304/0x5d0
worker_thread+0xcc/0x7a0
kthread+0x1ac/0x1c0
ret_from_kernel_thread+0x5c/0x80
The latter trace is due to the following sequence:
page_alloc_cpu_dead
drain_pages
drain_pages_zone
free_pcppages_bulk
where drain_pages() in this case is called under the assumption that
the unplugged cpu is no longer executing. To ensure that is the case,
and early call is made to __cpu_die()->pseries_cpu_die(), which runs a
loop that waits for the cpu to reach a halted state by polling its
status via query-cpu-stopped-state RTAS calls. It only polls for 25
iterations before giving up, however, and in the trace above this
results in the following being printed only .1 seconds after the
hotplug worker thread begins processing the unplug request:
pseries-hotplug-cpu: Attempting to remove CPU <NULL>, drc index: 1000013a
Querying DEAD? cpu 314 (314) shows 2
At that point the worker thread assumes the unplugged CPU is in some
unknown/dead state and procedes with the cleanup, causing the race
with the XIVE cleanup code executed by the unplugged CPU.
Fix this by waiting indefinitely, but also making an effort to avoid
spurious lockup messages by allowing for rescheduling after polling
the CPU status and printing a warning if we wait for longer than 120s.
Fixes:
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Christophe Leroy
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7bee31ad8e |
powerpc/32s: Fix is_module_segment() when MODULES_VADDR is defined
When MODULES_VADDR is defined, is_module_segment() shall check the
address against it instead of checking agains VMALLOC_START.
Fixes:
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Christophe Leroy
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48d2f0407b |
powerpc/kasan: Fix KASAN_SHADOW_START on BOOK3S_32
On BOOK3S_32, when we have modules and strict kernel RWX, modules
are not in vmalloc space but in a dedicated segment that is
below PAGE_OFFSET.
So KASAN_SHADOW_START must take it into account.
MODULES_VADDR can't be used because it is not defined yet
in kasan.h
Fixes:
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Christophe Leroy
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fdc6edbb31 |
powerpc/fixmap: Fix the size of the early debug area
Commit ("03fd42d458fb powerpc/fixmap: Fix FIX_EARLY_DEBUG_BASE when
page size is 256k") reworked the setup of the early debug area and
mistakenly replaced 128 * 1024 by SZ_128.
Change to SZ_128K to restore the original 128 kbytes size of the area.
Fixes:
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Aneesh Kumar K.V
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1e4e4bcaf7 |
powerpc/pkeys: Fix build error with PPC_MEM_KEYS disabled
IS_ENABLED() instead of #ifdef still requires variable declaration.
In this specific case, default_uamor is declared in asm/pkeys.h which
is only included if PPC_MEM_KEYS is enabled.
arch/powerpc/mm/book3s64/hash_utils.c: In function ‘hash__early_init_mmu_secondary’:
arch/powerpc/mm/book3s64/hash_utils.c:1119:21: error: ‘default_uamor’ undeclared (first use in this function)
1119 | mtspr(SPRN_UAMOR, default_uamor);
| ^~~~~~~~~~~~~
Fixes:
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Madhavan Srinivasan
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388692e943 |
powerpc/kernel: Cleanup machine check function declarations
__machine_check_early_realmode_p*() are currently declared as extern
in cputable.c and because of this when compiled with "C=1" (which
enables semantic checker) produces these warnings.
CHECK arch/powerpc/kernel/mce_power.c
arch/powerpc/kernel/mce_power.c:709:6: warning: symbol '__machine_check_early_realmode_p7' was not declared. Should it be static?
arch/powerpc/kernel/mce_power.c:717:6: warning: symbol '__machine_check_early_realmode_p8' was not declared. Should it be static?
arch/powerpc/kernel/mce_power.c:722:6: warning: symbol '__machine_check_early_realmode_p9' was not declared. Should it be static?
arch/powerpc/kernel/mce_power.c:740:6: warning: symbol '__machine_check_early_realmode_p10' was not declared. Should it be static?
Patch here moves the declaration to asm/mce.h and includes the same in
cputable.c
Fixes:
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Madhavan Srinivasan
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327da008e6 |
powerpc: Add POWER10 raw mode cputable entry
Add a raw mode cputable entry for POWER10. Copies most of the fields from commit |
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Athira Rajeev
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d735599a06 |
powerpc/perf: Add extended regs support for power10 platform
Include capability flag PERF_PMU_CAP_EXTENDED_REGS for power10 and expose MMCR3, SIER2, SIER3 registers as part of extended regs. Also introduce PERF_REG_PMU_MASK_31 to define extended mask value at runtime for power10. Suggested-by: Ryan Grimm <grimm@linux.ibm.com> Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Tested-by: Nageswara R Sastry <nasastry@in.ibm.com> Reviewed-by: Kajol Jain <kjain@linux.ibm.com> Reviewed-and-tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1596794701-23530-3-git-send-email-atrajeev@linux.vnet.ibm.com |
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Anju T Sudhakar
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781fa4811d |
powerpc/perf: Add support for outputting extended regs in perf intr_regs
Add support for perf extended register capability in powerpc. The capability flag PERF_PMU_CAP_EXTENDED_REGS, is used to indicate the PMU which support extended registers. The generic code define the mask of extended registers as 0 for non supported architectures. Patch adds extended regs support for power9 platform by exposing MMCR0, MMCR1 and MMCR2 registers. REG_RESERVED mask needs update to include extended regs. PERF_REG_EXTENDED_MASK, contains mask value of the supported registers, is defined at runtime in the kernel based on platform since the supported registers may differ from one processor version to another and hence the MASK value. With the patch: available registers: r0 r1 r2 r3 r4 r5 r6 r7 r8 r9 r10 r11 r12 r13 r14 r15 r16 r17 r18 r19 r20 r21 r22 r23 r24 r25 r26 r27 r28 r29 r30 r31 nip msr orig_r3 ctr link xer ccr softe trap dar dsisr sier mmcra mmcr0 mmcr1 mmcr2 PERF_RECORD_SAMPLE(IP, 0x1): 4784/4784: 0 period: 1 addr: 0 ... intr regs: mask 0xffffffffffff ABI 64-bit .... r0 0xc00000000012b77c .... r1 0xc000003fe5e03930 .... r2 0xc000000001b0e000 .... r3 0xc000003fdcddf800 .... r4 0xc000003fc7880000 .... r5 0x9c422724be .... r6 0xc000003fe5e03908 .... r7 0xffffff63bddc8706 .... r8 0x9e4 .... r9 0x0 .... r10 0x1 .... r11 0x0 .... r12 0xc0000000001299c0 .... r13 0xc000003ffffc4800 .... r14 0x0 .... r15 0x7fffdd8b8b00 .... r16 0x0 .... r17 0x7fffdd8be6b8 .... r18 0x7e7076607730 .... r19 0x2f .... r20 0xc00000001fc26c68 .... r21 0xc0002041e4227e00 .... r22 0xc00000002018fb60 .... r23 0x1 .... r24 0xc000003ffec4d900 .... r25 0x80000000 .... r26 0x0 .... r27 0x1 .... r28 0x1 .... r29 0xc000000001be1260 .... r30 0x6008010 .... r31 0xc000003ffebb7218 .... nip 0xc00000000012b910 .... msr 0x9000000000009033 .... orig_r3 0xc00000000012b86c .... ctr 0xc0000000001299c0 .... link 0xc00000000012b77c .... xer 0x0 .... ccr 0x28002222 .... softe 0x1 .... trap 0xf00 .... dar 0x0 .... dsisr 0x80000000000 .... sier 0x0 .... mmcra 0x80000000000 .... mmcr0 0x82008090 .... mmcr1 0x1e000000 .... mmcr2 0x0 ... thread: perf:4784 Signed-off-by: Anju T Sudhakar <anju@linux.vnet.ibm.com> Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Tested-by: Nageswara R Sastry <nasastry@in.ibm.com> Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Reviewed-by: Kajol Jain <kjain@linux.ibm.com> Reviewed-and-tested-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1596794701-23530-2-git-send-email-atrajeev@linux.vnet.ibm.com |
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Michael Neuling
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030a2c689f |
powerpc: Fix P10 PVR revision in /proc/cpuinfo for SMT4 cores
On POWER10 bit 12 in the PVR indicates if the core is SMT4 or SMT8.
Bit 12 is set for SMT4.
Without this patch, /proc/cpuinfo on a SMT4 DD1 POWER10 looks like
this:
cpu : POWER10, altivec supported
revision : 17.0 (pvr 0080 1100)
Fixes:
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Linus Torvalds
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9123e3a74e | Linux 5.9-rc1 | ||
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Linus Torvalds
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2cc3c4b3c2 |
io_uring-5.9-2020-08-15
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Mike Rapoport
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6f6aea7e96 |
parisc: fix PMD pages allocation by restoring pmd_alloc_one()
Commit |
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Linus Torvalds
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4b6c093e21 |
block-5.9-2020-08-14
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Merge tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes on the block side of things:
- Discard granularity fix (Coly)
- rnbd cleanups (Guoqing)
- md error handling fix (Dan)
- md sysfs fix (Junxiao)
- Fix flush request accounting, which caused an IO slowdown for some
configurations (Ming)
- Properly propagate loop flag for partition scanning (Lennart)"
* tag 'block-5.9-2020-08-14' of git://git.kernel.dk/linux-block:
block: fix double account of flush request's driver tag
loop: unset GENHD_FL_NO_PART_SCAN on LOOP_CONFIGURE
rnbd: no need to set bi_end_io in rnbd_bio_map_kern
rnbd: remove rnbd_dev_submit_io
md-cluster: Fix potential error pointer dereference in resize_bitmaps()
block: check queue's limits.discard_granularity in __blkdev_issue_discard()
md: get sysfs entry after redundancy attr group create
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Linus Torvalds
|
d84835b118 |
A RISC-V Fix for 5.9
I collected a single fix during the merge window: we managed to break the early trap setup on !MMU, this patch fixes it. The power keeps going on here so I haven't have a chance to give this the testing I usually would, but I don't have a Kendryte anyway so I doubt I'd pick up anything subtle even if I was to test. The patch seems pretty safe and it's still early, so I don't see any reason to let it sit around. It's fairly late so if it misses the merge window that's not a big deal. I'll definately have stuff for next week, so I'll just start from whenever this lands. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAl84Y58THHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYiVs8D/9blga759Z5w71l3wQ7htZnYuw2bJPw 9vp+TgRBsdBFpVvVR/81E3deLnEk0WaYt+kg3b1SJRcYCeXpfOGofrLx/u1/pFM4 Tpl2CTQOTumPBYEQLzUEIBxTNbusHDR4s0H3FVzJ6mwhGQk8YAaeD0Vs7CjxASoq ZI4JrHBo042vFV85gLqVV9q2oGjRC/kqqep2Utq7HRL2hov/A9IU1A5V7FylPn9+ CysVEicue3IalHX3ZuTNctzHGnrnyO33gnbihrxh1c7MvVQdeI4BAFpwPR/hTMwa cg3DFnQQ5TYT8BkYssNrikgkzGuPzuYMpntP9CrR4zpWu8hEZJv4h0c+hu3OcLoJ zDwAuQu9m/iZ98LPev1IMXrComlUb5jUJgRR9HAazUQhsVlj1jXPmFiyHtKsFJ3m zfGyrUklTAm2XRhfbM3kiW9c+qrnc/L9qZaLp4JxgPLj8wBYJBOH/XpaasLbR+Tz 8XNtJ8yfCOHY8srQI752v1vFcF7V4mFKPUu8XJZuZbs/IX+8dH0b5ki6vdPZ5oiS sOlDnjTLY3s7uM8Lh2KE/DKMKyJ160F80pzr6QfD45h5qINOZp+9TntA+KE2hvZ8 1yJd0R27Pc6HOwgv95q9W93St2pA/oC24kKr5OLHjjf5I3Q4vZiLet3sIw1SFViF u/+W+oKP1Lo6qQ== =+8KT -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-5.9-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fix from Palmer Dabbelt: "I collected a single fix during the merge window: we managed to break the early trap setup on !MMU, this fixes it" * tag 'riscv-for-linus-5.9-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Setup exception vector for nommu platform |
||
|
Linus Torvalds
|
5bbec3cfe3 |
Cleanup, SECCOMP_FILTER support, message printing fixes, and other
changes to arch/sh. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJfODUiAAoJELcQ+SIFb8Hau0wH/iPeZyv0EhIwL41OPrWhm5wb 26MNWPvPjYIpKVpr0HMXiffILv595ntvrH0Ujnh1+e8J2kRj0eT+T91UkoyGSfav oWmjgcG3NRK6p9882Oo8Xavjr1cTTclOmmDInR4lpAcfIBXkeq2eX0R1h2IuGdNM idGlXhJMkgV+xTlgZy7pYmw5pvFMqL5j7fAUQxm0UoY9kbu8Ac4bOR5WrqtFpkjt xTh9141YvSSfpRx9uMzrQLuUYGzGePhnjUGSUf/b1deYG/33lNtzhHr+QMK6BpXr zdhFalJP40+m+2tG0nCBpAIZcWiOLGb23in5n/trFx3BGZfUf5EKnhZEGUYeE7Q= =XWDn -----END PGP SIGNATURE----- Merge tag 'sh-for-5.9' of git://git.libc.org/linux-sh Pull arch/sh updates from Rich Felker: "Cleanup, SECCOMP_FILTER support, message printing fixes, and other changes to arch/sh" * tag 'sh-for-5.9' of git://git.libc.org/linux-sh: (34 commits) sh: landisk: Add missing initialization of sh_io_port_base sh: bring syscall_set_return_value in line with other architectures sh: Add SECCOMP_FILTER sh: Rearrange blocks in entry-common.S sh: switch to copy_thread_tls() sh: use the generic dma coherent remap allocator sh: don't allow non-coherent DMA for NOMMU dma-mapping: consolidate the NO_DMA definition in kernel/dma/Kconfig sh: unexport register_trapped_io and match_trapped_io_handler sh: don't include <asm/io_trapped.h> in <asm/io.h> sh: move the ioremap implementation out of line sh: move ioremap_fixed details out of <asm/io.h> sh: remove __KERNEL__ ifdefs from non-UAPI headers sh: sort the selects for SUPERH alphabetically sh: remove -Werror from Makefiles sh: Replace HTTP links with HTTPS ones arch/sh/configs: remove obsolete CONFIG_SOC_CAMERA* sh: stacktrace: Remove stacktrace_ops.stack() sh: machvec: Modernize printing of kernel messages sh: pci: Modernize printing of kernel messages ... |
||
|
Jens Axboe
|
f91daf565b |
io_uring: short circuit -EAGAIN for blocking read attempt
One case was missed in the short IO retry handling, and that's hitting
-EAGAIN on a blocking attempt read (eg from io-wq context). This is a
problem on sockets that are marked as non-blocking when created, they
don't carry any REQ_F_NOWAIT information to help us terminate them
instead of perpetually retrying.
Fixes:
|
||
|
Jens Axboe
|
d4e7cd36a9 |
io_uring: sanitize double poll handling
There's a bit of confusion on the matching pairs of poll vs double poll,
depending on if the request is a pure poll (IORING_OP_POLL_ADD) or
poll driven retry.
Add io_poll_get_double() that returns the double poll waitqueue, if any,
and io_poll_get_single() that returns the original poll waitqueue. With
that, remove the argument to io_poll_remove_double().
Finally ensure that wait->private is cleared once the double poll handler
has run, so that remove knows it's already been seen.
Cc: stable@vger.kernel.org # v5.8
Reported-by: syzbot+7f617d4a9369028b8a2c@syzkaller.appspotmail.com
Fixes:
|
||
|
Linus Torvalds
|
713eee8472 |
perf tools changes for v5.9: 2nd batch
Fixes:
- Fixes for 'perf bench numa'.
- Always memset source before memcpy in 'perf bench mem'.
- Quote CC and CXX for their arguments to fix build in environments using
those variables to pass more than just the compiler names.
- Fix module symbol processing, addressing regression detected via "perf test".
- Allow multiple probes in record+script_probe_vfs_getname.sh 'perf test' entry.
Improvements:
- Add script to autogenerate socket family name id->string table from copy of
kernel header, used so far in 'perf trace'.
- 'perf ftrace' improvements to provide similar options for this utility so
that one can go from 'perf record', 'perf trace', etc to 'perf ftrace' just
by changing the name of the subcommand.
- Prefer new "sched:sched_waking" trace event when it exists in 'perf sched'
post processing.
- Update POWER9 metrics to utilize other metrics.
- Fall back to querying debuginfod if debuginfo not found locally.
Miscellaneous:
- Sync various kvm headers with kernel sources.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Test results:
The first ones are container based builds of tools/perf with and without libelf
support. Where clang is available, it is also used to build perf with/without
libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
when clang and its devel libraries are installed.
The objtool and samples/bpf/ builds are disabled now that I'm switching from
using the sources in a local volume to fetching them from a http server to
build it inside the container, to make it easier to build in a container cluster.
Those will come back later.
Several are cross builds, the ones with -x-ARCH and the android one, and those
may not have all the features built, due to lack of multi-arch devel packages,
available and being used so far on just a few, like
debian:experimental-x-{arm64,mipsel}.
The 'perf test' one will perform a variety of tests exercising
tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
with a variety of command line event specifications to then intercept the
sys_perf_event syscall to check that the perf_event_attr fields are set up as
expected, among a variety of other unit tests.
Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
with a variety of feature sets, exercising the build with an incomplete set of
features as well as with a complete one. It is planned to have it run on each
of the containers mentioned above, using some container orchestration
infrastructure. Get in contact if interested in helping having this in place.
fedora:rawhide with python3 and gcc 10.1.1-2 is failing (10.1.1-1 on fedora:32
works), fixes will be provided soon.
clearlinux:latest is failing on libbpf, there is a fix already in the bpf tree.
# export PERF_TARBALL=http://192.168.124.1/perf/perf-5.8.0.tar.xz
# dm
1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
4 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
5 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
6 alpine:3.9 : Ok gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
7 alpine:3.10 : Ok gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
8 alpine:3.11 : Ok gcc (Alpine 9.2.0) 9.2.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
9 alpine:3.12 : Ok gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
10 alpine:edge : Ok gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (git://git.alpinelinux.org/aports 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
11 alt:p8 : Ok x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
12 alt:p9 : Ok x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 7.0.1
13 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 9.2.1 20200123 (ALT Sisyphus 9.2.1-alt3), clang version 10.0.0
14 amazonlinux:1 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
15 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-9), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
16 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
17 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
18 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
19 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
20 centos:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 9.0.1 (Red Hat 9.0.1-2.module_el8.2.0+309+0c7b6b03)
21 clearlinux:latest : FAIL gcc (Clear Linux OS for Intel Architecture) 10.2.1 20200723 releases/gcc-10.2.0-3-g677b80db41, clang version 10.0.1
22 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
23 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
24 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8 (tags/RELEASE_701/final)
25 debian:experimental : Ok gcc (Debian 10.2.0-3) 10.2.0, Debian clang version 11.0.0-+rc1-1
26 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 9.3.0-8) 9.3.0
27 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
28 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
29 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
30 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
31 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
32 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
33 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
34 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
35 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
36 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
37 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
38 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
39 fedora:29 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
40 fedora:30 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
41 fedora:30-x-ARC-glibc : Ok arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
42 fedora:30-x-ARC-uClibc : Ok arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
43 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-2.fc31)
44 fedora:32 : Ok gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1), clang version 10.0.0 (Fedora 10.0.0-2.fc32)
45 fedora:rawhide : FAIL gcc (GCC) 10.2.1 20200804 (Red Hat 10.2.1-2), clang version 10.0.0 (Fedora 10.0.0-11.fc33)
util/scripting-engines/trace-event-python.c: In function 'python_start_script':
util/scripting-engines/trace-event-python.c:1595:2: error: 'visibility' attribute ignored [-Werror=attributes]
1595 | PyMODINIT_FUNC (*initfunc)(void);
| ^~~~~~~~~~~~~~
46 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 9.3.0-r1 p3) 9.3.0
47 mageia:5 : Ok gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
48 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
49 mageia:7 : Ok gcc (Mageia 8.3.1-0.20190524.1.mga7) 8.3.1 20190524, clang version 8.0.0 (Mageia 8.0.0-1.mga7)
50 manjaro:latest : Ok gcc (GCC) 9.2.0, clang version 9.0.0 (tags/RELEASE_900/final)
51 openmandriva:cooker : Ok gcc (GCC) 10.0.0 20200502 (OpenMandriva), clang version 10.0.1
52 opensuse:15.0 : Ok gcc (SUSE Linux) 7.4.1 20190424 [gcc-7-branch revision 270538], clang version 5.0.1 (tags/RELEASE_501/final 312548)
53 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
54 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0, clang version 9.0.1
55 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
56 opensuse:tumbleweed : Ok gcc (SUSE Linux) 10.2.1 20200728 [revision c0438ced53bcf57e4ebb1c38c226e41571aca892], clang version 10.0.1
57 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
58 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.5)
59 oraclelinux:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.3), clang version 9.0.1 (Red Hat 9.0.1-2.0.1.module+el8.2.0+5599+9ed9ef6d)
60 ubuntu:12.04 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
61 ubuntu:14.04 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
62 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
63 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
64 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
65 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
66 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
67 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
68 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
69 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
70 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
71 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
72 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
73 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
74 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
75 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
76 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
77 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
78 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
79 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
80 ubuntu:18.10 : Ok gcc (Ubuntu 8.3.0-6ubuntu1~18.10.1) 8.3.0, clang version 7.0.0-3 (tags/RELEASE_700/final)
81 ubuntu:19.04 : Ok gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0, clang version 8.0.0-3 (tags/RELEASE_800/final)
82 ubuntu:19.04-x-alpha : Ok alpha-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
83 ubuntu:19.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 8.3.0-6ubuntu1) 8.3.0
84 ubuntu:19.04-x-hppa : Ok hppa-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
85 ubuntu:19.10 : Ok gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 8.0.1-3build1 (tags/RELEASE_801/final)
86 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0, clang version 10.0.0-4ubuntu1
#
# git log --oneline -1
|
||
|
Linus Torvalds
|
50f6c7dbd9 |
Misc fixes and small updates all around the place:
- Fix mitigation state sysfs output
- Fix an FPU xstate/sxave code assumption bug triggered by Architectural LBR support
- Fix Lightning Mountain SoC TSC frequency enumeration bug
- Fix kexec debug output
- Fix kexec memory range assumption bug
- Fix a boundary condition in the crash kernel code
- Optimize porgatory.ro generation a bit
- Enable ACRN guests to use X2APIC mode
- Reduce a __text_poke() IRQs-off critical section for the benefit of PREEMPT_RT
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar:
"Misc fixes and small updates all around the place:
- Fix mitigation state sysfs output
- Fix an FPU xstate/sxave code assumption bug triggered by
Architectural LBR support
- Fix Lightning Mountain SoC TSC frequency enumeration bug
- Fix kexec debug output
- Fix kexec memory range assumption bug
- Fix a boundary condition in the crash kernel code
- Optimize porgatory.ro generation a bit
- Enable ACRN guests to use X2APIC mode
- Reduce a __text_poke() IRQs-off critical section for the benefit of
PREEMPT_RT"
* tag 'x86-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/alternatives: Acquire pte lock with interrupts enabled
x86/bugs/multihit: Fix mitigation reporting when VMX is not in use
x86/fpu/xstate: Fix an xstate size check warning with architectural LBRs
x86/purgatory: Don't generate debug info for purgatory.ro
x86/tsr: Fix tsc frequency enumeration bug on Lightning Mountain SoC
kexec_file: Correctly output debugging information for the PT_LOAD ELF header
kexec: Improve & fix crash_exclude_mem_range() to handle overlapping ranges
x86/crash: Correct the address boundary of function parameters
x86/acrn: Remove redundant chars from ACRN signature
x86/acrn: Allow ACRN guest to use X2APIC mode
|
||
|
Linus Torvalds
|
1195d58f00 |
Two fixes: fix a new tracepoint's output value, and fix the formatting of show-state syslog printouts.
Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAl83xXMRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1hwRQ/+LC7yzLFMy+OpvuRp/ZY02VtL7oZdCVAS QFYrvmelsPrfbOzfuevGEg5jCHfJ6sL6Q4O06O/ktMUSsQ1HNc+esbTpbea9L/8X ynpujYXDm2AwiYQS2Bh/jDQVIUqJRfyNVpYWgIWTUq4QULh248vx4LGGYk/LQJtD FmuHT/Hc2xIPc01gAY24npSrPOlTJEm9HsfSpFqinXkNFlyocvRc2VwBnI1q/Dxt NVT18/8gb5dpaB3kRJyjuyNz88wJj7Rh65I/NebW9vvWincQzt7OJOutjnx/BzGG k5hMo/oPwCBRlPZ5X1fbsEjv/vXsXYtByNtNMljP3yFaR42F+pZ+5ySYNTtzyya8 BuicHMlrj+kueEXzfYIxcFaI0u0zZV9OCxNQI7T86j5YJyKj2c5xIvkj20r+4U3N 4biuCawvGNyfbw5X8se9yy1EEsw36UaeKNpoMQKcdpGDVskj2POMcyC06qMqahXX /LcIwKyXDwCKbJOz+NOQNY4ZvJSS3kcCYfTmEcaBs7UR6gFRAlwfrh54SDGLp8au t6MEj5GI51RWjo8S0KFBhqg+1sNqdRw2mvcabeRX1vHb/ter3AcHi2of4bSoAF4E GRKK2gfAkmvGc7cLjHEWvSjUPBS/gQgzNMhnyyFL8fEiL/juY5fCLnamuajWEmnF k6LA71AwkNY= =ffEv -----END PGP SIGNATURE----- Merge tag 'sched-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "Two fixes: fix a new tracepoint's output value, and fix the formatting of show-state syslog printouts" * tag 'sched-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/debug: Fix the alignment of the show-state debug output sched: Fix use of count for nr_running tracepoint |
||
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Linus Torvalds
|
7f5faaaa59 |
Misc fixes, an expansion of perf syscall access to CAP_PERFMON privileged tools,
plus a RAPL HW-enablement for Intel SPR platforms. Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAl83xBQRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1gb9RAArM0jJemRPHv1a/xLhrRo/cKURrOWpNl0 OQtgppEv9axkavYL34eyoax4LTDCFXxE+NDClSC16abFEVPNriGODNE+CMbFgMbW AyDfP+AsDdNExwl+JWR+J37KIpEIzWLqtjzEjVxZqsuov3C+EaLU4gv947UFohxM QE93d8q3znBSdMjeC/aZyL8iX4aCB0oMjrP7BMXo9a61/oseKLnvE8Zu/ESFDe1S TYZ+VlCxyaZOUBkEyd8+h/CBL8kOvQ2ObBEBxmyQQdGuRZ20BcJRodk3g+mOdnHJ zeohRcXvIHskHTEVeQv+Eh4EitFT3bEFrbk0LwMhKubIhFTKIB42sAzyeC6iUGc/ O5+Qe+bn3kYMynMHNo1yfh0s0S3cU3cfBnC1I2A/NyAn49H0UPr+rjynuKHtCA1+ S36Q9BydZegU/jyhbbDs+h/cdOiKY2F3MPEAZg3u/7EM+NIrmvuQoA7+C33fmLA+ tZzpeDpqNKz65JgYDQ2sZdghyVp41KTogeTm6Xu5O3sLhCnATiyqL2z2LCoWj+yZ KuZ+zHtV8ajRwt1bhq7qFUIyQLsHHUlz5z7TiUC7qqB48LpxO7LiTZ7CxUDY432N Xz8QPD/D71HAWmbkAXUih+JXG0nQSdlF6Xpwquczqc/8odJ46xdQ+i5wIgBOcudP A+kEXRqz5rA= =NsxB -----END PGP SIGNATURE----- Merge tag 'perf-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Misc fixes, an expansion of perf syscall access to CAP_PERFMON privileged tools, plus a RAPL HW-enablement for Intel SPR platforms" * tag 'perf-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/rapl: Add support for Intel SPR platform perf/x86/rapl: Support multiple RAPL unit quirks perf/x86/rapl: Fix missing psys sysfs attributes hw_breakpoint: Remove unused __register_perf_hw_breakpoint() declaration kprobes: Remove show_registers() function prototype perf/core: Take over CAP_SYS_PTRACE creds to CAP_PERFMON capability |
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|
Linus Torvalds
|
eb1319af41 |
A documentation fix and a 'fallthrough' macro update.
Signed-off-by: Ingo Molnar <mingo@kernel.org> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAl83wioRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1jBcw/+NyKjKj9wm07DaFl66YjlqWridTfl6sBT tS2lNMNO8PXVIzNj3GgFTJNQPHz5whQ5tQzufOD2gSw5TyK3m7uzlPiI8EOuEQs3 p4KsUr72BN5WUoBw8CH1IRYNGTedqEEjs2D8rEsAzl2yFMPyRwlekmieVu0kg+JK y64a41+4B7Lg1OlUWgOBpqm/3+Tn7AKoOHPCBRW0Rr45fU8IGqLbzXCHd0zkg/7f 8goPbM0dBZd8ILcI2YA9KlLujLk0lVRmLlVRBWdlj5KqP/k6+GrOfJxSUA02fpta X71U7wmcpKJX412ANZmzyJnJdCSirMTvcP4ICp0LgK1vqeNeNg03kF7sXyDwiRBk CefH37Yjwu65ZQpKV67BCtukNy7gyjKuCFetDcwUsKjKMZ5ULEWSN69ciliOQRbz P4j0Wv8g9i2JztsR+LobuPv4eGwjwo0gDioW5giu8qfUeGsCmQC3X1X3PhiceZOV xOtJLUhkqPXjdujjdxf/vYyQtVRHZH8hJdTYd9XM0UeEZzTsAjlyQ/uq/dGMbwLH Wd5v3uS5VOU69Zp5CaaNEby64QaF3lXKA6HtogZNkbqlnZ3WugfNC5C/qNWtmqat 6dSwDOFcd4yzRD3ogA/G9DL9OLAcmj5QN4NeksSIeMy/QsP+u/bBoIRlPhDe6dcl K+pxW0RmbBY= =T2pv -----END PGP SIGNATURE----- Merge tag 'locking-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixlets from Ingo Molnar: "A documentation fix and a 'fallthrough' macro update" * tag 'locking-urgent-2020-08-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: futex: Convert to use the preferred 'fallthrough' macro Documentation/locking/locktypes: Fix a typo |
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|
Linus Torvalds
|
410520d07f |
9p pull request for inclusion in 5.9
- some code cleanup - a couple of static analysis fixes - setattr: try to pick a fid associated with the file rather than the dentry, which might sometimes matter -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE/IPbcYBuWt0zoYhOq06b7GqY5nAFAl83dvkACgkQq06b7GqY 5nDk4g/+KNpbIFHhDyhCzmZ1WbaUYlZseFm8VBR9dzwOkXCuVl+WQd9ducYlEifT cZ29xmEuom01LhFOs6VzC+IODQq3h1WvEbVRfCSlLEWvfHyPODSDY8mrn+1TdOZL UOOP1wUjaDqmAcBQ4PSDNmj2cONNWPqkgnuyswjsBpabOY/U8FxG9J/QiPfC12zs QoF5800OiuLYS5SefI9kKJ47DkTLpm/aq7/Z1liAxJBzHrguORjg16cssXhWeysD jEMD3pIrsqMDX/vNkAO0DaR8FWvxTFZR1Bza1ylJiUy3K3rLXKfo+42jiCnuo5e9 uhA012RfiCZB3kIsLe5hCPXUWz0MhizaJAPkceHsgUtkuiU2qXyY05HEvS2HHl0s inqR8gRkZ2NhROx1R/0q+Wu2posCBderDwg7Mkzt/7j5Ue3cTIKvbeBxH9iLLaK+ rHp0NbfP6wYN5qKjH1rru1IOmaUCV2HHV6x/alnwaVBfZqg5HYKkzlS7M+5hAbtb niLFXXCtPBGqS+u9w7sruj6utuiJjXBfB1ejaawY+frS41+v3NkHjjUWCH67u8I9 u3pmPpvm5o7gRoRmvmxEdSb+jAYZwLTcbkUhRMHLQOHCBZXtcul41p2BUpoBm0zw 42mlMMMBAjaxtzLlryvACg5lx6x7ykE4pExKAc0dzrzWfgzwEZQ= =hwGq -----END PGP SIGNATURE----- Merge tag '9p-for-5.9-rc1' of git://github.com/martinetd/linux Pull 9p updates from Dominique Martinet: - some code cleanup - a couple of static analysis fixes - setattr: try to pick a fid associated with the file rather than the dentry, which might sometimes matter * tag '9p-for-5.9-rc1' of git://github.com/martinetd/linux: 9p: Remove unneeded cast from memory allocation 9p: remove unused code in 9p net/9p: Fix sparse endian warning in trans_fd.c 9p: Fix memory leak in v9fs_mount 9p: retrieve fid from file when file instance exist. |
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Linus Torvalds
|
f6513bd39c |
3 small cifs/smb3 fixes, one for stable fixing mkdir path with idsfromsid mount option
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAl83ch8ACgkQiiy9cAdy T1ExdAwAqHLP2o4lADcHsACPWxswMwuSwMpNQhSOV4bnRaVGkh3EGbvFZ8dmop1u XrEyppM8TlbMUzIW6OO/Rntbl91Ll4Mi7d+15vdBgwOSKS2dJ+tkbV1iWQoJffUv cxfPSLlnAe8dFaitRky3HWcYi4+vwY/TksaaQpdbVFVGJpvdKG8zu/wYmJEZ57TD 0Hjy4BhbGH1iu6X7mutslRCJlx1kOw5jyvqsECXqhF80+tKze4QlC5dZ6hjMPb+6 C9sp03/KMe84/1GNDbsTxc0Vjd0K0+1E+lgDl2N7XVC6HNTg47Smzm7X+SgOc7J9 rF2keAadbvD+prNx52nojI27y4JW99mGwuSpjZBIFJrJ6hq2ukbH7DBOQXSJ7Ovt +0OgreUDlZS2FuLaVAIQak5lQbQ34xd/zIrQ1bQHefkmGuAE+2Dm86GIP4/WUSlY RTNzvUrCq0EnVQncMlG0pPiZg6Yiz3ie3nSI9MohYl+niqhpsd3M/uFh68CNnSgV aZovWPp4 =FHq0 -----END PGP SIGNATURE----- Merge tag '5.9-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs fixes from Steve French: "Three small cifs/smb3 fixes, one for stable fixing mkdir path with the 'idsfromsid' mount option" * tag '5.9-rc-smb3-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6: SMB3: Fix mkdir when idsfromsid configured on mount cifs: Convert to use the fallthrough macro cifs: Fix an error pointer dereference in cifs_mount() |
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|
Linus Torvalds
|
37711e5e23 |
NFS client updates for Linux 5.9
Highlights include: Stable fixes: - pNFS: Don't return layout segments that are being used for I/O - pNFS: Don't move layout segments off the active list when being used for I/O Features: - NFS: Add support for user xattrs through the NFSv4.2 protocol - NFS: Allow applications to speed up readdir+statx() using AT_STATX_DONT_SYNC - NFSv4.0 allow nconnect for v4.0 Bugfixes and cleanups: - nfs: ensure correct writeback errors are returned on close() - nfs: nfs_file_write() should check for writeback errors - nfs: Fix getxattr kernel panic and memory overflow - NFS: Fix the pNFS/flexfiles mirrored read failover code - SUNRPC: dont update timeout value on connection reset - freezer: Add unsafe versions of freezable_schedule_timeout_interruptible for NFS - sunrpc: destroy rpc_inode_cachep after unregister_filesystem -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEESQctxSBg8JpV8KqEZwvnipYKAPIFAl83CYEACgkQZwvnipYK APLx4g/9EQNTG5VkUToElRHs4b3vFxbmh9Odnk/JwPHxY5GQ8/AyGqwWHBgMZc7/ 2AV/C83pk7pJsDNsKbVAaFCT1cwjmItHM63vKJYGBYbE8LhkZ/1sYkdtPBYwHoVl 7CWfpVY/4NjYw5GJfrVA5Y0m7lrQInRtIMzfaENw2tpw+/cKUpadxgEJltzFNvpa Ploinr1ZRBl1tvfeHNRP5ZMPk2AfgGWtQKQ/b2UWUk5tXALoQm2Eu+/oku39uqhy hW5tCbU2BzR91gg5JwF9n7VowkCHXfe7lMzDBTVfwZOELOmoyys/1wKv550FWcWi yymljWiPGZOnXGT1vfKptPESQjdtElMfanvEZ0BzS+yNR0HZGnIupaxGlYlG9ZGU 2sXHQPp3mk2Q+L1IgbTSCnSju0YlZo32JQpYCZiROjIXnPWPQ50YNhr8GL18M1FW hTeShg2avWH+59GB6moEBmsuvui7Dy1jkimblToLEoGJ4kbvEl72FYSqTCkAXXbB rVUzhmJFgfk/EOS4d+QKJoBqNzw3aw79wyT7PLkoCYBqPZBHQexlmI+ktMbgUEdw c/fM7l5/Vcb9weIHKzul2Jbk5q6bFME/xPnIkr3v/oKIFlLFwQ04BX6R/42AMJHw V5Q9Wp81Vy6RXQMn8P0ZMeY0WQC/rhpijOEVMUC+Ni+spz44AdM= =k4pE -----END PGP SIGNATURE----- Merge tag 'nfs-for-5.9-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Pull NFS client updates from Trond Myklebust: "Stable fixes: - pNFS: Don't return layout segments that are being used for I/O - pNFS: Don't move layout segments off the active list when being used for I/O Features: - NFS: Add support for user xattrs through the NFSv4.2 protocol - NFS: Allow applications to speed up readdir+statx() using AT_STATX_DONT_SYNC - NFSv4.0 allow nconnect for v4.0 Bugfixes and cleanups: - nfs: ensure correct writeback errors are returned on close() - nfs: nfs_file_write() should check for writeback errors - nfs: Fix getxattr kernel panic and memory overflow - NFS: Fix the pNFS/flexfiles mirrored read failover code - SUNRPC: dont update timeout value on connection reset - freezer: Add unsafe versions of freezable_schedule_timeout_interruptible for NFS - sunrpc: destroy rpc_inode_cachep after unregister_filesystem" * tag 'nfs-for-5.9-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (32 commits) NFS: Fix flexfiles read failover fs: nfs: delete repeated words in comments rpc_pipefs: convert comma to semicolon nfs: Fix getxattr kernel panic and memory overflow NFS: Don't return layout segments that are in use NFS: Don't move layouts to plh_return_segs list while in use NFS: Add layout segment info to pnfs read/write/commit tracepoints NFS: Add tracepoints for layouterror and layoutstats. NFS: Report the stateid + status in trace_nfs4_layoutreturn_on_close() SUNRPC dont update timeout value on connection reset nfs: nfs_file_write() should check for writeback errors nfs: ensure correct writeback errors are returned on close() NFSv4.2: xattr cache: get rid of cache discard work queue NFS: remove redundant initialization of variable result NFSv4.0 allow nconnect for v4.0 freezer: Add unsafe versions of freezable_schedule_timeout_interruptible for NFS sunrpc: destroy rpc_inode_cachep after unregister_filesystem NFSv4.2: add client side xattr caching. NFSv4.2: hook in the user extended attribute handlers NFSv4.2: add the extended attribute proc functions. ... |
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Linus Torvalds
|
6ffdcde4ee |
Fixes for ie31200 driver that missed the first pull
-----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQQW3WBGcnu5yJnSXn0kTJLX0iGMLAUCXzcrQRQcdG9ueS5sdWNr QGludGVsLmNvbQAKCRAkTJLX0iGMLHeUAP9mEdU4W+7STNaXuzJ/5PyWbDIHPB3m X/KXBlPRyQ5lXgD6A+IRTY3Ob7fBjs9i+sTuH5yMY6oi9YneC4lt1uqmmQc= =fg/o -----END PGP SIGNATURE----- Merge tag 'edac_updates_for_5.9_pt2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull edac fix from Tony Luck: "Fix for the ie31200 driver that missed the first pull" * tag 'edac_updates_for_5.9_pt2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/ie31200: Fallback if host bridge device is already initialized |
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Linus Torvalds
|
b07175dc41 |
Devicetree fixes for v5.9:
Another round of 'allOf' removals and whitespace clean-ups of schemas. -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAl825dIQHHJvYmhAa2Vy bmVsLm9yZwAKCRD6+121jbxhw793EACDXwtLbcIzcJgM1r7es23hSlVMvHoNHFaV Hkg7GJ8ZCuaHXtXFiEzPvxKTb9CmEgDEDrGRXZDmv2MsaQ1wS7YjG1TW/jL+JVP+ KsAJNwOklK6qyJ3AeX01T6pG1hZf5+2OVyuCKryE2PY8EE+2ZweW+Yoz9ivuy1L0 PokTc9SPc3sm85Ex3BhzzXNTMa1efzWcj6lrxTFsLywuc5msEhLkYRR76jx21xBP Rs49KxlPozVFTtk9dIWhybXu6VHJ/jCPn9ubv/bKPAZZbqMjVc1KRpTuHxzUW0Ew 2xNEhYdp76GfhaTHrTe9v65DNe6a2xpsQbmlRnZC7ASovjqM1JOb44tt1QFEyI/M 0hIf+nqhgiUpm2+UZcLmJaDmoIbmc10DROsIrtavSCBjPFjLS3ocN2LbKiLJj1rT lc9XvvXGHFKB8O/RBqTKrmv/crNwQYDLirHvlcvJTAa3LBOCLrnQL/d5aRP9ShJ3 S/gORXg0ggCdi0WFSpQxpRKInJu1GFkzDqRRSXMFADnnHZtJBYWXihE6L48XIqXP 9XREitC6BOgQrc4nZzZnEwgt3TkVw7kZJvOBS9Y2yk+EK4zMTwaPdZ/sa5Xwx/J7 JEznSK27PHr3QVRmwPQPBFu+B8c7S2TuY/Z4k5744dn4T9d7cG0BOSzABOyuA1cx lPRW0frbjw== =G4/5 -----END PGP SIGNATURE----- Merge tag 'devicetree-fixes-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: "Another round of 'allOf' removals and whitespace clean-ups of schemas" * tag 'devicetree-fixes-for-5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: dt-bindings: Remove more cases of 'allOf' containing a '$ref' dt-bindings: Whitespace clean-ups in schema files |
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Linus Torvalds
|
341323fa0e |
More ACPI updates for 5.9-rc1
Add new hardware support to the ACPI driver for AMD SoCs, the x86 clk driver and the Designware i2c driver (changes from Akshu Agrawal and Pu Wen). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl820JQSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxy2wP/jXaIw3YtMhDeu0V9qsODq4BuDEW4wV+ ZaKny6fz1AVekhdH/0BUh4GdgSJQMyuKpL3i0SPJamkykwQSxQnGo6X8g7NWwjQF d0HPNW7QOJE1B9gyLKj7zI5RRVwXSAHJxO3651QH+0CUcNHggFRGEXYGCEukvJBz CM5ZxMRaFOTvqHVu38cmL7LFNveO8dO1V4SKAQzsOpipW8//noxC/eaE86Rg2Zk/ 1x3F5jBv07Cdt7JJOO44PEKyH6uNU7tkfkfGKeEiWxi+b+CiSpvJPMCgOS6eb/gS mBTVMXvB5IuLcXvG3ftr2gVbl87bh27wUmcQyJuLNfj6tEsVwz3rvPd6aRpXmu1R xnto4R8FPnIGb5XFKU1fbOgQwueliKAVt0mhfi8AYJUshpC3jtPtfJeH8dumPBp4 ZfBu8h7uk77mpunQ8B8VL/+Kj5f7kiQ5hRWRBxv2KPQMdljy1ufeQbWAgc+XY/EG eSzo8qxdRs6PGWfXVDVZu3hCMJ+nSzY/GsBJ0z/p7+29HGczQZdYPMU0iWoM6DMS dSq8/+4m1JReA3HGdgbgBVs3EH0V/zReCAR6bdAFvFuAAubm2mXQfliVzhdNVDQ2 7MVxuhU11p7CEwp5i+UZNvJ11KT2oyqHtboLkqNBHMm2fnRZBTUL05wLEP35adj9 WwK7n2XpSKc0 =D9q+ -----END PGP SIGNATURE----- Merge tag 'acpi-5.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull more ACPI updates from Rafael Wysocki: "Add new hardware support to the ACPI driver for AMD SoCs, the x86 clk driver and the Designware i2c driver (changes from Akshu Agrawal and Pu Wen)" * tag 'acpi-5.9-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: clk: x86: Support RV architecture ACPI: APD: Add a fmw property is_raven clk: x86: Change name from ST to FCH ACPI: APD: Change name from ST to FCH i2c: designware: Add device HID for Hygon I2C controller |
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Linus Torvalds
|
1a5d9dbbaf |
One more power management update for 5.9-rc1
Modify the intel_pstate driver to allow it to work in the passive mode with hardware-managed P-states (HWP) enabled. -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl82z44SHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxYZYP/0fkFE/WJyWeak8oQy7xW7noOgMztBxj SI+GVVoVwdB4+PBa1YMBRMYgpjTIxmzHmubhHJKEvOEzZoaJQ6myBwFaASfkF3MF ptAG+3pbXw9DSexCxo8Uj2VH1OaNUwoLg8hqqJfeaL3V1/5Fs+r/v4HmqS2Lb+CR qToLVIYOk6OkwZ0nRzxu0RpF51AAKrRwTkEWy376/K1Buqj/139/uP4zkLArO7XT 5CSpCdowibvYsU4TIg2ff29PzTpMXKqjB8EiBc1/dwg/0dAmhVqDknGt4TkNTult L9GtlMNwXt17VeQL9Yg3N4wY2WWP+V9lKk/87p2hd0zuIMRBbi4k+CD/bGGlmZby CT26zOpw6MIh2nTS1GB+YDQegRUdzfBIA6kAN4RVLMrGNpxBk7lYsv81YeUJCGdg CM5wFYx96TmsCQqN88bXkZhhVZJiaa53WUhRwyzcUcY3QWq5+R92i3yLL+7t2lLD LoG6S1y+MEEprNl/SNqtvHdz17h1JGZ6PGL26dV4gLh8cJqh92ficZ3l4yZXSV2S 3aa3REMpRJlBHsLhp4ihV9yIpafCyLlVBoX85N2Ip6JCHaXEnH5yjDB+R7Ir0CSk F7wXbCtoTxtRIB3ZBF+/J2VlBCyKDSn56JNsLZxJsV+dE48MxjFKc+Jzy5y7e2ny KlW8X/iy33Ts =U2D3 -----END PGP SIGNATURE----- Merge tag 'pm-5.9-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull one more power management update from Rafael Wysocki: "Modify the intel_pstate driver to allow it to work in the passive mode with hardware-managed P-states (HWP) enabled" * tag 'pm-5.9-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: intel_pstate: Implement passive mode with HWP enabled |
||
|
Linus Torvalds
|
884e0d3dd5 |
- Core Frameworks
- Make better attempt at matching device with the correct OF node
- Allow batch removal of hierarchical sub-devices
- New Drivers
- Add STM32 Clocksource driver
- Add support for Khadas System Control Microcontroller
- Driver Removal
- Remove unused driver for TI's SMSC ECE1099
- New Device Support
- Add support for Intel Emmitsburg PCH to Intel LPSS PCI
- Add support for Intel Tiger Lake PCH-H to Intel LPSS PCI
- Add support for Dialog DA revision to Dialog DA9063
- New Functionality
- Add support for AXP803 to be probed by I2C
- Fix-ups
- Numerous W=1 warning fixes
- Device Tree changes; stm32-lptimer, gateworks-gsc, khadas,mcu, stmfx, cros-ec, j721e-system-controller
- Enabled Regmap 'fast I/O'; stm32-lptimer
- Change BUG_ON to WARN_ON; arizona-core
- Remove superfluous code/initialisation; madera, max14577
- Trivial formatting/spelling issues; madera-core, madera-i2c, da9055, max77693-private
- Switch to of_platform_populate(); sprd-sc27xx-spi
- Expand out set/get brightness/pwm macros; lm3533-ctrlbank
- Disable IRQs on suspend; motorola-cpcap
- Clean-up error handling; intel_soc_pmic_mrfld
- Ensure correct removal order of sub-devices; madera
- Many s/HTTP/HTTPS/ link changes
- Ensure name used with Regmap is unique; syscon
- Bug Fixes
- Properly 'put' clock on unbind and error; arizona-core
- Fix revision handling; da9063
- Fix 'assignment of read-only location' error; kempld-core
- Avoid using the Regmap API when atomic; rn5t618
- Redefine volatile register description; rn5t618
- Use locking to protect event handler; dln2
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Merge tag 'mfd-next-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks
- Make better attempt at matching device with the correct OF node
- Allow batch removal of hierarchical sub-devices
New Drivers
- Add STM32 Clocksource driver
- Add support for Khadas System Control Microcontroller
Driver Removal
- Remove unused driver for TI's SMSC ECE1099
New Device Support
- Add support for Intel Emmitsburg PCH to Intel LPSS PCI
- Add support for Intel Tiger Lake PCH-H to Intel LPSS PCI
- Add support for Dialog DA revision to Dialog DA9063
New Functionality
- Add support for AXP803 to be probed by I2C
Fix-ups
- Numerous W=1 warning fixes
- Device Tree changes (stm32-lptimer, gateworks-gsc, khadas,mcu, stmfx, cros-ec, j721e-system-controller)
- Enabled Regmap 'fast I/O' in stm32-lptimer
- Change BUG_ON to WARN_ON in arizona-core
- Remove superfluous code/initialisation (madera, max14577)
- Trivial formatting/spelling issues (madera-core, madera-i2c, da9055, max77693-private)
- Switch to of_platform_populate() in sprd-sc27xx-spi
- Expand out set/get brightness/pwm macros in lm3533-ctrlbank
- Disable IRQs on suspend in motorola-cpcap
- Clean-up error handling in intel_soc_pmic_mrfld
- Ensure correct removal order of sub-devices in madera
- Many s/HTTP/HTTPS/ link changes
- Ensure name used with Regmap is unique in syscon
Bug Fixes
- Properly 'put' clock on unbind and error in arizona-core
- Fix revision handling in da9063
- Fix 'assignment of read-only location' error in kempld-core
- Avoid using the Regmap API when atomic in rn5t618
- Redefine volatile register description in rn5t618
- Use locking to protect event handler in dln2"
* tag 'mfd-next-5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (76 commits)
mfd: syscon: Use a unique name with regmap_config
mfd: Replace HTTP links with HTTPS ones
mfd: dln2: Run event handler loop under spinlock
mfd: madera: Improve handling of regulator unbinding
mfd: mfd-core: Add mechanism for removal of a subset of children
mfd: intel_soc_pmic_mrfld: Simplify the return expression of intel_scu_ipc_dev_iowrite8()
mfd: max14577: Remove redundant initialization of variable current_bits
mfd: rn5t618: Fix caching of battery related registers
mfd: max77693-private: Drop a duplicated word
mfd: da9055: pdata.h: Drop a duplicated word
mfd: rn5t618: Make restart handler atomic safe
mfd: kempld-core: Fix 'assignment of read-only location' error
mfd: axp20x: Allow the AXP803 to be probed by I2C
mfd: da9063: Add support for latest DA silicon revision
mfd: da9063: Fix revision handling to correctly select reg tables
dt-bindings: mfd: st,stmfx: Remove I2C unit name
dt-bindings: mfd: ti,j721e-system-controller.yaml: Add J721e system controller
mfd: motorola-cpcap: Disable interrupt for suspend
mfd: smsc-ece1099: Remove driver
mfd: core: Add OF_MFD_CELL_REG() helper
...
|
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Linus Torvalds
|
18737f4243 |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: "Subsystems affected by this patch series: mm/hotfixes, lz4, exec, mailmap, mm/thp, autofs, sysctl, mm/kmemleak, mm/misc and lib" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (35 commits) virtio: pci: constify ioreadX() iomem argument (as in generic implementation) ntb: intel: constify ioreadX() iomem argument (as in generic implementation) rtl818x: constify ioreadX() iomem argument (as in generic implementation) iomap: constify ioreadX() iomem argument (as in generic implementation) sh: use generic strncpy() sh: clkfwk: remove r8/r16/r32 include/asm-generic/vmlinux.lds.h: align ro_after_init mm: annotate a data race in page_zonenum() mm/swap.c: annotate data races for lru_rotate_pvecs mm/rmap: annotate a data race at tlb_flush_batched mm/mempool: fix a data race in mempool_free() mm/list_lru: fix a data race in list_lru_count_one mm/memcontrol: fix a data race in scan count mm/page_counter: fix various data races at memsw mm/swapfile: fix and annotate various data races mm/filemap.c: fix a data race in filemap_fault() mm/swap_state: mark various intentional data races mm/page_io: mark various intentional data races mm/frontswap: mark various intentional data races mm/kmemleak: silence KCSAN splats in checksum ... |
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Krzysztof Kozlowski
|
fe0580ac5c |
virtio: pci: constify ioreadX() iomem argument (as in generic implementation)
The ioreadX() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Allen Hubbe <allenbh@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Helge Deller <deller@gmx.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jakub Kicinski <kuba@kernel.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200709072837.5869-5-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Krzysztof Kozlowski
|
58184e95e9 |
ntb: intel: constify ioreadX() iomem argument (as in generic implementation)
The ioreadX() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Dave Jiang <dave.jiang@intel.com> Cc: Allen Hubbe <allenbh@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Helge Deller <deller@gmx.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jakub Kicinski <kuba@kernel.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200709072837.5869-4-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Krzysztof Kozlowski
|
5ca6ad7dce |
rtl818x: constify ioreadX() iomem argument (as in generic implementation)
The ioreadX() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Kalle Valo <kvalo@codeaurora.org> Cc: Allen Hubbe <allenbh@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Helge Deller <deller@gmx.de> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Jakub Kicinski <kuba@kernel.org> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Matt Turner <mattst88@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Rich Felker <dalias@libc.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200709072837.5869-3-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Krzysztof Kozlowski
|
8f28ca6bd8 |
iomap: constify ioreadX() iomem argument (as in generic implementation)
Patch series "iomap: Constify ioreadX() iomem argument", v3. The ioread8/16/32() and others have inconsistent interface among the architectures: some taking address as const, some not. It seems there is nothing really stopping all of them to take pointer to const. This patch (of 4): The ioreadX() and ioreadX_rep() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. [krzk@kernel.org: sh: clk: fix assignment from incompatible pointer type for ioreadX()] Link: http://lkml.kernel.org/r/20200723082017.24053-1-krzk@kernel.org [akpm@linux-foundation.org: fix drivers/mailbox/bcm-pdc-mailbox.c] Link: http://lkml.kernel.org/r/202007132209.Rxmv4QyS%25lkp@intel.com Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com> Cc: Helge Deller <deller@gmx.de> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: Kalle Valo <kvalo@codeaurora.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Dave Jiang <dave.jiang@intel.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: Allen Hubbe <allenbh@gmail.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Link: http://lkml.kernel.org/r/20200709072837.5869-1-krzk@kernel.org Link: http://lkml.kernel.org/r/20200709072837.5869-2-krzk@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Kuninori Morimoto
|
f9e7ff9c6f |
sh: use generic strncpy()
Current SH will get below warning at strncpy()
In file included from ${LINUX}/arch/sh/include/asm/string.h:3,
from ${LINUX}/include/linux/string.h:20,
from ${LINUX}/include/linux/bitmap.h:9,
from ${LINUX}/include/linux/nodemask.h:95,
from ${LINUX}/include/linux/mmzone.h:17,
from ${LINUX}/include/linux/gfp.h:6,
from ${LINUX}/innclude/linux/slab.h:15,
from ${LINUX}/linux/drivers/mmc/host/vub300.c:38:
${LINUX}/drivers/mmc/host/vub300.c: In function 'new_system_port_status':
${LINUX}/arch/sh/include/asm/string_32.h:51:42: warning: array subscript\
80 is above array bounds of 'char[26]' [-Warray-bounds]
: "0" (__dest), "1" (__src), "r" (__src+__n)
~~~~~^~~~
In general, strncpy() should behave like below.
char dest[10];
char *src = "12345";
strncpy(dest, src, 10);
// dest = {'1', '2', '3', '4', '5',
'\0','\0','\0','\0','\0'}
But, current SH strnpy() has 2 issues.
1st is it will access to out-of-memory (= src + 10).
2nd is it needs big fixup for it, and maintenance __asm__
code is difficult.
To solve these issues, this patch simply uses generic strncpy()
instead of architecture specific one.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alan Modra <amodra@gmail.com>
Cc: Bin Meng <bin.meng@windriver.com>
Cc: Chen Zhou <chenzhou10@huawei.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Romain Naour <romain.naour@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Link: https://marc.info/?l=linux-renesas-soc&m=157664657013309
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Kuninori Morimoto
|
a8e3943b58 |
sh: clkfwk: remove r8/r16/r32
SH will get below warning
${LINUX}/drivers/sh/clk/cpg.c: In function 'r8':
${LINUX}/drivers/sh/clk/cpg.c:41:17: warning: passing argument 1 of 'ioread8'
discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
return ioread8(addr);
^~~~
In file included from ${LINUX}/arch/sh/include/asm/io.h:21,
from ${LINUX}/include/linux/io.h:13,
from ${LINUX}/drivers/sh/clk/cpg.c:14:
${LINUX}/include/asm-generic/iomap.h:29:29: note: expected 'void *' but
argument is of type 'const void *'
extern unsigned int ioread8(void __iomem *);
^~~~~~~~~~~~~~
We don't need "const" for r8/r16/r32. And we don't need r8/r16/r32
themselvs. This patch cleanup these.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Alan Modra <amodra@gmail.com>
Cc: Bin Meng <bin.meng@windriver.com>
Cc: Chen Zhou <chenzhou10@huawei.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Romain Naour <romain.naour@gmail.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
X-MARC-Message: https://marc.info/?l=linux-renesas-soc&m=157852973916903
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Romain Naour
|
7f897acbe5 |
include/asm-generic/vmlinux.lds.h: align ro_after_init
Since the patch [1], building the kernel using a toolchain built with binutils 2.33.1 prevents booting a sh4 system under Qemu. Apply the patch provided by Alan Modra [2] that fix alignment of rodata. [1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ebd2263ba9a9124d93bbc0ece63d7e0fae89b40e [2] https://www.sourceware.org/ml/binutils/2019-12/msg00112.html Signed-off-by: Romain Naour <romain.naour@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Alan Modra <amodra@gmail.com> Cc: Bin Meng <bin.meng@windriver.com> Cc: Chen Zhou <chenzhou10@huawei.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Cc: Rich Felker <dalias@libc.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Arnd Bergmann <arnd@arndb.de> Cc: <stable@vger.kernel.org> Link: https://marc.info/?l=linux-sh&m=158429470221261 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Qian Cai
|
c403f6a3a7 |
mm: annotate a data race in page_zonenum()
BUG: KCSAN: data-race in page_cpupid_xchg_last / put_page write (marked) to 0xfffffc0d48ec1a00 of 8 bytes by task 91442 on cpu 3: page_cpupid_xchg_last+0x51/0x80 page_cpupid_xchg_last at mm/mmzone.c:109 (discriminator 11) wp_page_reuse+0x3e/0xc0 wp_page_reuse at mm/memory.c:2453 do_wp_page+0x472/0x7b0 do_wp_page at mm/memory.c:2798 __handle_mm_fault+0xcb0/0xd00 handle_pte_fault at mm/memory.c:4049 (inlined by) __handle_mm_fault at mm/memory.c:4163 handle_mm_fault+0xfc/0x2f0 handle_mm_fault at mm/memory.c:4200 do_page_fault+0x263/0x6f9 do_user_addr_fault at arch/x86/mm/fault.c:1465 (inlined by) do_page_fault at arch/x86/mm/fault.c:1539 page_fault+0x34/0x40 read to 0xfffffc0d48ec1a00 of 8 bytes by task 94817 on cpu 69: put_page+0x15a/0x1f0 page_zonenum at include/linux/mm.h:923 (inlined by) is_zone_device_page at include/linux/mm.h:929 (inlined by) page_is_devmap_managed at include/linux/mm.h:948 (inlined by) put_page at include/linux/mm.h:1023 wp_page_copy+0x571/0x930 wp_page_copy at mm/memory.c:2615 do_wp_page+0x107/0x7b0 __handle_mm_fault+0xcb0/0xd00 handle_mm_fault+0xfc/0x2f0 do_page_fault+0x263/0x6f9 page_fault+0x34/0x40 Reported by Kernel Concurrency Sanitizer on: CPU: 69 PID: 94817 Comm: systemd-udevd Tainted: G W O L 5.5.0-next-20200204+ #6 Hardware name: HPE ProLiant DL385 Gen10/ProLiant DL385 Gen10, BIOS A40 07/10/2019 A page never changes its zone number. The zone number happens to be stored in the same word as other bits which are modified, but the zone number bits will never be modified by any other write, so it can accept a reload of the zone bits after an intervening write and it don't need to use READ_ONCE(). Thus, annotate this data race using ASSERT_EXCLUSIVE_BITS() to also assert that there are no concurrent writes to it. Suggested-by: Marco Elver <elver@google.com> Signed-off-by: Qian Cai <cai@lca.pw> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Paul E. McKenney <paulmck@kernel.org> Cc: David Hildenbrand <david@redhat.com> Cc: Jan Kara <jack@suse.cz> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Link: http://lkml.kernel.org/r/1581619089-14472-1-git-send-email-cai@lca.pw Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Qian Cai
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7e0cc01ea1 |
mm/swap.c: annotate data races for lru_rotate_pvecs
Read to lru_add_pvec->nr could be interrupted and then write to the same variable. The write has local interrupt disabled, but the plain reads result in data races. However, it is unlikely the compilers could do much damage here given that lru_add_pvec->nr is a "unsigned char" and there is an existing compiler barrier. Thus, annotate the reads using the data_race() macro. The data races were reported by KCSAN, BUG: KCSAN: data-race in lru_add_drain_cpu / rotate_reclaimable_page write to 0xffff9291ebcb8a40 of 1 bytes by interrupt on cpu 23: rotate_reclaimable_page+0x2df/0x490 pagevec_add at include/linux/pagevec.h:81 (inlined by) rotate_reclaimable_page at mm/swap.c:259 end_page_writeback+0x1b5/0x2b0 end_swap_bio_write+0x1d0/0x280 bio_endio+0x297/0x560 dec_pending+0x218/0x430 [dm_mod] clone_endio+0xe4/0x2c0 [dm_mod] bio_endio+0x297/0x560 blk_update_request+0x201/0x920 scsi_end_request+0x6b/0x4a0 scsi_io_completion+0xb7/0x7e0 scsi_finish_command+0x1ed/0x2a0 scsi_softirq_done+0x1c9/0x1d0 blk_done_softirq+0x181/0x1d0 __do_softirq+0xd9/0x57c irq_exit+0xa2/0xc0 do_IRQ+0x8b/0x190 ret_from_intr+0x0/0x42 delay_tsc+0x46/0x80 __const_udelay+0x3c/0x40 __udelay+0x10/0x20 kcsan_setup_watchpoint+0x202/0x3a0 __tsan_read1+0xc2/0x100 lru_add_drain_cpu+0xb8/0x3f0 lru_add_drain+0x25/0x40 shrink_active_list+0xe1/0xc80 shrink_lruvec+0x766/0xb70 shrink_node+0x2d6/0xca0 do_try_to_free_pages+0x1f7/0x9a0 try_to_free_pages+0x252/0x5b0 __alloc_pages_slowpath+0x458/0x1290 __alloc_pages_nodemask+0x3bb/0x450 alloc_pages_vma+0x8a/0x2c0 do_anonymous_page+0x16e/0x6f0 __handle_mm_fault+0xcd5/0xd40 handle_mm_fault+0xfc/0x2f0 do_page_fault+0x263/0x6f9 page_fault+0x34/0x40 read to 0xffff9291ebcb8a40 of 1 bytes by task 37761 on cpu 23: lru_add_drain_cpu+0xb8/0x3f0 lru_add_drain_cpu at mm/swap.c:602 lru_add_drain+0x25/0x40 shrink_active_list+0xe1/0xc80 shrink_lruvec+0x766/0xb70 shrink_node+0x2d6/0xca0 do_try_to_free_pages+0x1f7/0x9a0 try_to_free_pages+0x252/0x5b0 __alloc_pages_slowpath+0x458/0x1290 __alloc_pages_nodemask+0x3bb/0x450 alloc_pages_vma+0x8a/0x2c0 do_anonymous_page+0x16e/0x6f0 __handle_mm_fault+0xcd5/0xd40 handle_mm_fault+0xfc/0x2f0 do_page_fault+0x263/0x6f9 page_fault+0x34/0x40 2 locks held by oom02/37761: #0: ffff9281e5928808 (&mm->mmap_sem#2){++++}, at: do_page_fault #1: ffffffffb3ade380 (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part irq event stamp: 1949217 trace_hardirqs_on_thunk+0x1a/0x1c __do_softirq+0x2e7/0x57c __do_softirq+0x34c/0x57c irq_exit+0xa2/0xc0 Reported by Kernel Concurrency Sanitizer on: CPU: 23 PID: 37761 Comm: oom02 Not tainted 5.6.0-rc3-next-20200226+ #6 Hardware name: HP ProLiant BL660c Gen9, BIOS I38 10/17/2018 Signed-off-by: Qian Cai <cai@lca.pw> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Marco Elver <elver@google.com> Link: http://lkml.kernel.org/r/20200228044018.1263-1-cai@lca.pw Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Qian Cai
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9c1177b62a |
mm/rmap: annotate a data race at tlb_flush_batched
mm->tlb_flush_batched could be accessed concurrently as noticed by KCSAN, BUG: KCSAN: data-race in flush_tlb_batched_pending / try_to_unmap_one write to 0xffff93f754880bd0 of 1 bytes by task 822 on cpu 6: try_to_unmap_one+0x59a/0x1ab0 set_tlb_ubc_flush_pending at mm/rmap.c:635 (inlined by) try_to_unmap_one at mm/rmap.c:1538 rmap_walk_anon+0x296/0x650 rmap_walk+0xdf/0x100 try_to_unmap+0x18a/0x2f0 shrink_page_list+0xef6/0x2870 shrink_inactive_list+0x316/0x880 shrink_lruvec+0x8dc/0x1380 shrink_node+0x317/0xd80 balance_pgdat+0x652/0xd90 kswapd+0x396/0x8d0 kthread+0x1e0/0x200 ret_from_fork+0x27/0x50 read to 0xffff93f754880bd0 of 1 bytes by task 6364 on cpu 4: flush_tlb_batched_pending+0x29/0x90 flush_tlb_batched_pending at mm/rmap.c:682 change_p4d_range+0x5dd/0x1030 change_pte_range at mm/mprotect.c:44 (inlined by) change_pmd_range at mm/mprotect.c:212 (inlined by) change_pud_range at mm/mprotect.c:240 (inlined by) change_p4d_range at mm/mprotect.c:260 change_protection+0x222/0x310 change_prot_numa+0x3e/0x60 task_numa_work+0x219/0x350 task_work_run+0xed/0x140 prepare_exit_to_usermode+0x2cc/0x2e0 ret_from_intr+0x32/0x42 Reported by Kernel Concurrency Sanitizer on: CPU: 4 PID: 6364 Comm: mtest01 Tainted: G W L 5.5.0-next-20200210+ #5 Hardware name: HPE ProLiant DL385 Gen10/ProLiant DL385 Gen10, BIOS A40 07/10/2019 flush_tlb_batched_pending() is under PTL but the write is not, but mm->tlb_flush_batched is only a bool type, so the value is unlikely to be shattered. Thus, mark it as an intentional data race by using the data race macro. Signed-off-by: Qian Cai <cai@lca.pw> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Marco Elver <elver@google.com> Link: http://lkml.kernel.org/r/1581450783-8262-1-git-send-email-cai@lca.pw Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Qian Cai
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abe1de4209 |
mm/mempool: fix a data race in mempool_free()
mempool_t pool.curr_nr could be accessed concurrently as noticed by
KCSAN,
BUG: KCSAN: data-race in mempool_free / remove_element
write to 0xffffffffa937638c of 4 bytes by task 6359 on cpu 113:
remove_element+0x4a/0x1c0
remove_element at mm/mempool.c:132
mempool_alloc+0x102/0x210
(inlined by) mempool_alloc at mm/mempool.c:399
bio_alloc_bioset+0x106/0x2c0
get_swap_bio+0x49/0x230
__swap_writepage+0x680/0xc30
swap_writepage+0x9c/0xf0
pageout+0x33e/0xae0
shrink_page_list+0x1f57/0x2870
shrink_inactive_list+0x316/0x880
shrink_lruvec+0x8dc/0x1380
shrink_node+0x317/0xd80
do_try_to_free_pages+0x1f7/0xa10
try_to_free_pages+0x26c/0x5e0
__alloc_pages_slowpath+0x458/0x1290
<snip>
read to 0xffffffffa937638c of 4 bytes by interrupt on cpu 64:
mempool_free+0x3e/0x150
mempool_free at mm/mempool.c:492
bio_free+0x192/0x280
bio_put+0x91/0xd0
end_swap_bio_write+0x1d8/0x280
bio_endio+0x2c2/0x5b0
dec_pending+0x22b/0x440 [dm_mod]
clone_endio+0xe4/0x2c0 [dm_mod]
bio_endio+0x2c2/0x5b0
blk_update_request+0x217/0x940
scsi_end_request+0x6b/0x4d0
scsi_io_completion+0xb7/0x7e0
scsi_finish_command+0x223/0x310
scsi_softirq_done+0x1d5/0x210
blk_mq_complete_request+0x224/0x250
scsi_mq_done+0xc2/0x250
pqi_raid_io_complete+0x5a/0x70 [smartpqi]
pqi_irq_handler+0x150/0x1410 [smartpqi]
__handle_irq_event_percpu+0x90/0x540
handle_irq_event_percpu+0x49/0xd0
handle_irq_event+0x85/0xca
handle_edge_irq+0x13f/0x3e0
do_IRQ+0x86/0x190
<snip>
Since the write is under pool->lock but the read is done as lockless.
Even though the commit
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