This is the start of the stable review cycle for the 5.4.186 release. There are 43 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 Sat, 19 Mar 2022 12:45:16 +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/v5.x/stable-review/patch-5.4.186-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 5.4.186-rc1

Chengming Zhou zhouchengming@bytedance.com kselftest/vm: fix tests build with old libc

Christophe JAILLET christophe.jaillet@wanadoo.fr bnx2: Fix an error message

Niels Dossche dossche.niels@gmail.com sfc: extend the locking on mcdi->seqno

Eric Dumazet edumazet@google.com tcp: make tcp_read_sock() more robust

Sreeramya Soratkal quic_ssramya@quicinc.com nl80211: Update bss channel on channel switch for P2P_CLIENT

Manasi Navare manasi.d.navare@intel.com drm/vrr: Set VRR capable prop only if it is attached to connector

Golan Ben Ami golan.ben.ami@intel.com iwlwifi: don't advertise TWT support

Jia-Ju Bai baijiaju1990@gmail.com atm: firestream: check the return value of ioremap() in fs_init()

Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com can: rcar_canfd: rcar_canfd_channel_probe(): register the CAN device when fully ready

Julian Braha julianbraha@gmail.com ARM: 9178/1: fix unmet dependency on BITREVERSE for HAVE_ARCH_BITREVERSE

Alexander Lobakin alobakin@pm.me MIPS: smp: fill in sibling and core maps earlier

Johannes Berg johannes.berg@intel.com mac80211: refuse aggregations sessions before authorized

Corentin Labbe clabbe@baylibre.com ARM: dts: rockchip: fix a typo on rk3288 crypto-controller

Sascha Hauer s.hauer@pengutronix.de ARM: dts: rockchip: reorder rk322x hmdi clocks

Dinh Nguyen dinguyen@kernel.org arm64: dts: agilex: use the compatible "intel,socfpga-agilex-hsotg"

Sascha Hauer s.hauer@pengutronix.de arm64: dts: rockchip: reorder rk3399 hdmi clocks

Jakob Unterwurzacher jakob.unterwurzacher@theobroma-systems.com arm64: dts: rockchip: fix rk3399-puma eMMC HS400 signal integrity

Yan Yan evitayan@google.com xfrm: Fix xfrm migrate issues when address family changes

Yan Yan evitayan@google.com xfrm: Check if_id in xfrm_migrate

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

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

Joey Gouly joey.gouly@arm.com arm64: add ID_AA64ISAR2_EL1 sys register

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

Xin Long lucien.xin@gmail.com sctp: fix the processing for INIT chunk

Kai Lueke kailueke@linux.microsoft.com Revert "xfrm: state and policy should fail if XFRMA_IF_ID 0"

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

Diffstat:

Makefile | 4 +- arch/arm/boot/dts/rk322x.dtsi | 4 +- arch/arm/boot/dts/rk3288.dtsi | 2 +- arch/arm/include/asm/kvm_host.h | 7 + arch/arm/include/uapi/asm/kvm.h | 6 + arch/arm64/Kconfig | 9 + arch/arm64/boot/dts/intel/socfpga_agilex.dtsi | 4 +- arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 6 + arch/arm64/boot/dts/rockchip/rk3399.dtsi | 6 +- arch/arm64/include/asm/assembler.h | 33 ++ arch/arm64/include/asm/cpu.h | 1 + arch/arm64/include/asm/cpucaps.h | 3 +- arch/arm64/include/asm/cpufeature.h | 40 +++ arch/arm64/include/asm/cputype.h | 16 + arch/arm64/include/asm/fixmap.h | 6 +- arch/arm64/include/asm/kvm_host.h | 5 + arch/arm64/include/asm/kvm_mmu.h | 6 +- arch/arm64/include/asm/mmu.h | 8 +- arch/arm64/include/asm/sections.h | 5 + arch/arm64/include/asm/sysreg.h | 17 + arch/arm64/include/asm/vectors.h | 73 ++++ arch/arm64/include/uapi/asm/kvm.h | 5 + arch/arm64/kernel/cpu_errata.c | 385 ++++++++++++++++++++- arch/arm64/kernel/cpufeature.c | 21 ++ arch/arm64/kernel/cpuinfo.c | 1 + arch/arm64/kernel/entry.S | 213 +++++++++--- arch/arm64/kernel/vmlinux.lds.S | 2 +- arch/arm64/kvm/hyp/hyp-entry.S | 64 ++++ arch/arm64/kvm/hyp/switch.c | 8 +- arch/arm64/kvm/sys_regs.c | 2 +- arch/arm64/mm/mmu.c | 12 +- arch/mips/kernel/smp.c | 6 +- drivers/atm/firestream.c | 2 + drivers/gpu/drm/drm_connector.c | 3 + drivers/net/can/rcar/rcar_canfd.c | 6 +- drivers/net/ethernet/broadcom/bnx2.c | 2 +- drivers/net/ethernet/sfc/mcdi.c | 2 +- drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c | 3 +- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 1 - include/linux/arm-smccc.h | 5 + include/net/xfrm.h | 5 +- lib/Kconfig | 1 - net/ipv4/tcp.c | 10 +- net/key/af_key.c | 2 +- net/mac80211/agg-tx.c | 10 +- net/sctp/sm_statefuns.c | 71 ++-- net/wireless/nl80211.c | 3 +- net/xfrm/xfrm_policy.c | 14 +- net/xfrm/xfrm_state.c | 15 +- net/xfrm/xfrm_user.c | 27 +- tools/testing/selftests/vm/userfaultfd.c | 1 + virt/kvm/arm/psci.c | 34 +- 52 files changed, 1037 insertions(+), 160 deletions(-)