[PATCH 4.14 00/27] 4.14.275-rc1 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

This is the start of the stable review cycle for the 4.14.275 release.
There are 27 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, 03 Apr 2022 06:36:16 +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/v4.x/stable-review/patch-4.14.275-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-4.14.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 4.14.275-rc1

James Morse <james.morse@arm.com>
    arm64: Use the clearbhb instruction in mitigations

James Morse <james.morse@arm.com>
    arm64: add ID_AA64ISAR2_EL1 sys register

James Morse <james.morse@arm.com>
    KVM: arm64: Allow SMCCC_ARCH_WORKAROUND_3 to be discovered and migrated

James Morse <james.morse@arm.com>
    arm64: Mitigate spectre style branch history side channels

James Morse <james.morse@arm.com>
    KVM: arm64: Add templates for BHB mitigation sequences

James Morse <james.morse@arm.com>
    arm64: proton-pack: Report Spectre-BHB vulnerabilities as part of Spectre-v2

James Morse <james.morse@arm.com>
    arm64: Add percpu vectors for EL1

James Morse <james.morse@arm.com>
    arm64: entry: Add macro for reading symbol addresses from the trampoline

James Morse <james.morse@arm.com>
    arm64: entry: Add vectors that have the bhb mitigation sequences

James Morse <james.morse@arm.com>
    arm64: entry: Add non-kpti __bp_harden_el1_vectors for mitigations

James Morse <james.morse@arm.com>
    arm64: entry: Allow the trampoline text to occupy multiple pages

James Morse <james.morse@arm.com>
    arm64: entry: Make the kpti trampoline's kpti sequence optional

James Morse <james.morse@arm.com>
    arm64: entry: Move trampoline macros out of ifdef'd section

James Morse <james.morse@arm.com>
    arm64: entry: Don't assume tramp_vectors is the start of the vectors

James Morse <james.morse@arm.com>
    arm64: entry: Allow tramp_alias to access symbols after the 4K boundary

James Morse <james.morse@arm.com>
    arm64: entry: Move the trampoline data page before the text page

James Morse <james.morse@arm.com>
    arm64: entry: Free up another register on kpti's tramp_exit path

James Morse <james.morse@arm.com>
    arm64: entry: Make the trampoline cleanup optional

James Morse <james.morse@arm.com>
    arm64: entry.S: Add ventry overflow sanity checks

Anshuman Khandual <anshuman.khandual@arm.com>
    arm64: Add Cortex-X2 CPU part definition

Suzuki K Poulose <suzuki.poulose@arm.com>
    arm64: Add Neoverse-N2, Cortex-A710 CPU part definition

Rob Herring <robh@kernel.org>
    arm64: Add part number for Arm Cortex-A77

Marc Zyngier <marc.zyngier@arm.com>
    arm64: Add part number for Neoverse N1

Marc Zyngier <marc.zyngier@arm.com>
    arm64: Make ARM64_ERRATUM_1188873 depend on COMPAT

Marc Zyngier <marc.zyngier@arm.com>
    arm64: Add silicon-errata.txt entry for ARM erratum 1188873

Arnd Bergmann <arnd@arndb.de>
    arm64: arch_timer: avoid unused function warning

Marc Zyngier <marc.zyngier@arm.com>
    arm64: arch_timer: Add workaround for ARM erratum 1188873


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

Diffstat:

 Documentation/arm64/silicon-errata.txt |   1 +
 Makefile                               |   4 +-
 arch/arm/include/asm/kvm_host.h        |   6 +
 arch/arm64/Kconfig                     |  24 ++
 arch/arm64/include/asm/assembler.h     |  34 +++
 arch/arm64/include/asm/cpu.h           |   1 +
 arch/arm64/include/asm/cpucaps.h       |   4 +-
 arch/arm64/include/asm/cpufeature.h    |  39 ++++
 arch/arm64/include/asm/cputype.h       |  20 ++
 arch/arm64/include/asm/fixmap.h        |   6 +-
 arch/arm64/include/asm/kvm_host.h      |   5 +
 arch/arm64/include/asm/kvm_mmu.h       |   2 +-
 arch/arm64/include/asm/mmu.h           |   8 +-
 arch/arm64/include/asm/sections.h      |   6 +
 arch/arm64/include/asm/sysreg.h        |   5 +
 arch/arm64/include/asm/vectors.h       |  74 ++++++
 arch/arm64/kernel/bpi.S                |  55 +++++
 arch/arm64/kernel/cpu_errata.c         | 395 ++++++++++++++++++++++++++++++++-
 arch/arm64/kernel/cpufeature.c         |  21 ++
 arch/arm64/kernel/cpuinfo.c            |   1 +
 arch/arm64/kernel/entry.S              | 196 ++++++++++++----
 arch/arm64/kernel/vmlinux.lds.S        |   2 +-
 arch/arm64/kvm/hyp/hyp-entry.S         |   4 +
 arch/arm64/kvm/hyp/switch.c            |   9 +-
 arch/arm64/mm/mmu.c                    |  11 +-
 drivers/clocksource/arm_arch_timer.c   |  15 ++
 include/linux/arm-smccc.h              |   7 +
 virt/kvm/arm/psci.c                    |  12 +
 28 files changed, 909 insertions(+), 58 deletions(-)