5.4.79-rc1 review

This is the start of the stable review cycle for the 5.4.79 release. There are 17 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-5.4.79-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-5.4.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <[email protected]>

    Linux 5.4.79-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

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

Hauke Mehrtens <[email protected]>
net: lantiq: Add locking for TX DMA channel

Christophe Leroy <[email protected]>
powerpc/8xx: Always fault when _PAGE_ACCESSED is not set

Eran Ben Elisha <[email protected]>
net/mlx5: Add retry mechanism to the command entry index allocation

Eran Ben Elisha <[email protected]>
net/mlx5: Fix a race when moving command interface to events mode

Eran Ben Elisha <[email protected]>
net/mlx5: poll cmd EQ in case of command timeout

Parav Pandit <[email protected]>
net/mlx5: Use async EQ setup cleanup helpers for multiple EQs

Sudip Mukherjee <[email protected]>
MIPS: PCI: Fix MIPS build

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/mips/pci/pci-xtalk-bridge.c                   |   2 +-
 arch/powerpc/include/asm/book3s/64/kup-radix.h     |  29 ++--
 arch/powerpc/include/asm/exception-64s.h           |  12 +-
 arch/powerpc/include/asm/feature-fixups.h          |  19 +++
 arch/powerpc/include/asm/kup.h                     |  27 +++-
 arch/powerpc/include/asm/security_features.h       |   7 +
 arch/powerpc/include/asm/setup.h                   |   4 +
 arch/powerpc/kernel/exceptions-64s.S               |  88 +++++------
 arch/powerpc/kernel/head_8xx.S                     |  14 +-
 arch/powerpc/kernel/setup_64.c                     | 122 ++++++++++++++-
 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/kvm/emulate.c                             |   8 +-
 drivers/acpi/evged.c                               |   2 +-
 drivers/input/keyboard/sunkbd.c                    |  41 +++++-
 drivers/net/ethernet/lantiq_xrx200.c               |   2 +
 drivers/net/ethernet/mellanox/mlx5/core/cmd.c      | 109 ++++++++++++--
 drivers/net/ethernet/mellanox/mlx5/core/eq.c       | 157 +++++++++++---------
 drivers/net/ethernet/mellanox/mlx5/core/lib/eq.h   |   2 +
 include/linux/mlx5/driver.h                        |   6 +
 net/can/proc.c                                     |   6 +-
 net/mac80211/sta_info.c                            |  18 +++
 .../testing/selftests/powerpc/security/.gitignore  |   1 +
 tools/testing/selftests/powerpc/security/Makefile  |   2 +-
 .../selftests/powerpc/security/entry_flush.c       | 163 +++++++++++++++++++++
 .../testing/selftests/powerpc/security/rfi_flush.c |  35 ++++-
 30 files changed, 857 insertions(+), 173 deletions(-)