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Linus Torvalds deacdb3e39 powerpc fixes for 5.8 #8 
Fix a bug introduced by the changes we made to lockless page table walking this
 cycle. When using the hash MMU, and perf with callchain recording, we can
 deadlock if the PMI interrupts a hash fault, and the callchain recording then
 takes a hash fault on the same page.
 
 Thanks to:
   Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, Athira Rajeev.
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Merge tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Michael Ellerman:
 "Fix a bug introduced by the changes we made to lockless page table
  walking this cycle.

  When using the hash MMU, and perf with callchain recording, we can
  deadlock if the PMI interrupts a hash fault, and the callchain
  recording then takes a hash fault on the same page.

  Thanks to Nicholas Piggin, Aneesh Kumar K.V, Anton Blanchard, and
  Athira Rajeev"

* tag 'powerpc-5.8-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s/hash: Fix hash_preload running with interrupts enabled
2020-07-31 09:38:39 -07:00
..
alpha Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
arc ARCv2: support loop buffer (LPB) disabling 2020-06-18 13:07:24 -07:00
arm ARM fixes for 5.8: 2020-07-31 09:33:45 -07:00
arm64 arm64 fixes for -rc8 2020-07-31 09:36:03 -07:00
c6x This time around we have 4 lines of diff in the core framework, removing a 2020-06-10 11:42:19 -07:00
csky maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
h8300 This time around we have 4 lines of diff in the core framework, removing a 2020-06-10 11:42:19 -07:00
hexagon treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ia64 Merge branch 'hch' (maccess patches from Christoph Hellwig) 2020-06-18 12:35:51 -07:00
m68k m68k: mm: fix node memblock init 2020-06-29 23:58:05 +10:00
microblaze mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
mips Two fixes for the interrupt subsystem: 2020-07-19 11:53:08 -07:00
nds32 maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
nios2 nios2 update for v5.8-rc1 2020-06-12 11:55:11 -07:00
openrisc openrisc: fix boot oops when DEBUG_VM is enabled 2020-06-26 00:27:36 -07:00
parisc parisc: Add atomic64_set_release() define to avoid CPU soft lockups 2020-07-21 17:16:37 +02:00
powerpc powerpc/64s/hash: Fix hash_preload running with interrupts enabled 2020-07-27 17:02:09 +10:00
riscv riscv: Parse all memory blocks to remove unusable memory 2020-07-24 22:08:25 -07:00
s390 s390/cpum_cf,perf: change DFLT_CCERROR counter name 2020-07-21 13:53:56 +02:00
sh sh: Fix validation of system call number 2020-07-27 16:12:49 -04:00
sparc treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
um maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
unicore32 This time around we have 4 lines of diff in the core framework, removing a 2020-06-10 11:42:19 -07:00
x86 Misc fixes: 2020-07-25 14:25:47 -07:00
xtensa Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs into master 2020-07-24 14:19:00 -07:00
.gitignore
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00