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.... 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 gregkh@linuxfoundation.org Linux 5.4.79-rc1

Nick Desaulniers ndesaulniers@google.com ACPI: GED: fix -Wformat

David Edmondson david.edmondson@oracle.com KVM: x86: clflushopt should be treated as a no-op by emulation

Zhang Changzhong zhangchangzhong@huawei.com can: proc: can_remove_proc(): silence remove_proc_entry warning

Johannes Berg johannes.berg@intel.com mac80211: always wind down STA state

Dmitry Torokhov dmitry.torokhov@gmail.com Input: sunkbd - avoid use-after-free in teardown paths

Hauke Mehrtens hauke@hauke-m.de net: lantiq: Add locking for TX DMA channel

Christophe Leroy christophe.leroy@csgroup.eu powerpc/8xx: Always fault when _PAGE_ACCESSED is not set

Eran Ben Elisha eranbe@nvidia.com net/mlx5: Add retry mechanism to the command entry index allocation

Eran Ben Elisha eranbe@mellanox.com net/mlx5: Fix a race when moving command interface to events mode

Eran Ben Elisha eranbe@mellanox.com net/mlx5: poll cmd EQ in case of command timeout

Parav Pandit parav@mellanox.com net/mlx5: Use async EQ setup cleanup helpers for multiple EQs

Sudip Mukherjee sudipm.mukherjee@gmail.com MIPS: PCI: Fix MIPS build

Daniel Axtens dja@axtens.net selftests/powerpc: entry flush test

Michael Ellerman mpe@ellerman.id.au powerpc: Only include kup-radix.h for 64-bit Book3S

Nicholas Piggin npiggin@gmail.com powerpc/64s: flush L1D after user accesses

Nicholas Piggin npiggin@gmail.com powerpc/64s: flush L1D on kernel entry

Russell Currey ruscur@russell.cc 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(-)