5.9.10-rc1 review

This is the start of the stable review cycle for the 5.9.10 release. There are 14 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

Responses should be made by Sun, 22 Nov 2020 10:45:32 +0000. Anything received after that time might be too late.

The whole patch series can be found in one patch at:

	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.9.10-rc1.gz

or in the git tree and branch at:
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.9.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <[email protected]>

    Linux 5.9.10-rc1

Nick Desaulniers <[email protected]>
ACPI: GED: fix -Wformat

David Edmondson <[email protected]>
KVM: x86: clflushopt should be treated as a no-op by emulation

Arnd Bergmann <[email protected]>
perf/x86/intel/uncore: Fix Add BW copypasta

Qian Cai <[email protected]>
powerpc/smp: Call rcu_cpu_starting() earlier

Tommi Rantala <[email protected]>
selftests/harness: prettify SKIP message whitespace again

Zhang Changzhong <[email protected]>
can: proc: can_remove_proc(): silence remove_proc_entry warning

Johannes Berg <[email protected]>
mac80211: always wind down STA state

Dmitry Torokhov <[email protected]>
Input: sunkbd - avoid use-after-free in teardown paths

Gabriel David <[email protected]>
leds: lm3697: Fix out-of-bound access

Daniel Axtens <[email protected]>
selftests/powerpc: entry flush test

Michael Ellerman <[email protected]>
powerpc: Only include kup-radix.h for 64-bit Book3S

Nicholas Piggin <[email protected]>
powerpc/64s: flush L1D after user accesses

Nicholas Piggin <[email protected]>
powerpc/64s: flush L1D on kernel entry

Russell Currey <[email protected]>
selftests/powerpc: rfi_flush: disable entry flush if present

-------------

Diffstat:

 Documentation/admin-guide/kernel-parameters.txt    |   7 +
 Makefile                                           |   4 +-
 arch/powerpc/include/asm/book3s/64/kup-radix.h     |  66 ++++---
 arch/powerpc/include/asm/exception-64s.h           |  12 +-
 arch/powerpc/include/asm/feature-fixups.h          |  19 ++
 arch/powerpc/include/asm/kup.h                     |  26 ++-
 arch/powerpc/include/asm/security_features.h       |   7 +
 arch/powerpc/include/asm/setup.h                   |   4 +
 arch/powerpc/kernel/exceptions-64s.S               |  80 +++++----
 arch/powerpc/kernel/setup_64.c                     | 122 ++++++++++++-
 arch/powerpc/kernel/smp.c                          |   2 +-
 arch/powerpc/kernel/syscall_64.c                   |   2 +-
 arch/powerpc/kernel/vmlinux.lds.S                  |  14 ++
 arch/powerpc/lib/feature-fixups.c                  | 104 +++++++++++
 arch/powerpc/platforms/powernv/setup.c             |  17 ++
 arch/powerpc/platforms/pseries/setup.c             |   8 +
 arch/x86/events/intel/uncore_snb.c                 |   2 +-
 arch/x86/kvm/emulate.c                             |   8 +-
 drivers/acpi/evged.c                               |   2 +-
 drivers/input/keyboard/sunkbd.c                    |  41 ++++-
 drivers/leds/leds-lm3697.c                         |   8 +-
 net/can/proc.c                                     |   6 +-
 net/mac80211/sta_info.c                            |  18 ++
 tools/testing/selftests/kselftest_harness.h        |   2 +-
 .../testing/selftests/powerpc/security/.gitignore  |   1 +
 tools/testing/selftests/powerpc/security/Makefile  |   2 +-
 .../selftests/powerpc/security/entry_flush.c       | 198 +++++++++++++++++++++
 .../testing/selftests/powerpc/security/rfi_flush.c |  35 +++-
 28 files changed, 719 insertions(+), 98 deletions(-)