linux-kernel - [PATCH stable 4.19 v2 0/2] arm64: entry: Place an SB sequence following an ERET instruction

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Message-Id: <1598294112-19197-1-git-send-email-f.fainelli@gmail.com>
Date:   Mon, 24 Aug 2020 11:35:10 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Greg KH <gregkh@...uxfoundation.org>,
        Will Deacon <will@...nel.org>, stable@...r.kernel.org,
        Catalin Marinas <catalin.marinas@....com>,
        Marc Zyngier <maz@...nel.org>,
        James Morse <james.morse@....com>,
        Julien Thierry <julien.thierry.kdev@...il.com>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mark Rutland <mark.rutland@....com>,
        Mark Brown <broonie@...nel.org>,
        Kristina Martsenko <kristina.martsenko@....com>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Andrew Jones <drjones@...hat.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Fangrui Song <maskray@...gle.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)" 
        <kvmarm@...ts.cs.columbia.edu>
Subject: [PATCH stable 4.19 v2 0/2] arm64: entry: Place an SB sequence following an ERET instruction

Changes in v2:

- included missing preliminary patch to define the SB barrier instruction

Will Deacon (2):
  arm64: Add support for SB barrier and patch in over DSB; ISB sequences
  arm64: entry: Place an SB sequence following an ERET instruction

 arch/arm64/include/asm/assembler.h  | 13 +++++++++++++
 arch/arm64/include/asm/barrier.h    |  4 ++++
 arch/arm64/include/asm/cpucaps.h    |  3 ++-
 arch/arm64/include/asm/sysreg.h     |  6 ++++++
 arch/arm64/include/asm/uaccess.h    |  3 +--
 arch/arm64/include/uapi/asm/hwcap.h |  1 +
 arch/arm64/kernel/cpufeature.c      | 12 ++++++++++++
 arch/arm64/kernel/cpuinfo.c         |  1 +
 arch/arm64/kernel/entry.S           |  2 ++
 arch/arm64/kvm/hyp/entry.S          |  1 +
 arch/arm64/kvm/hyp/hyp-entry.S      |  4 ++++
 11 files changed, 47 insertions(+), 3 deletions(-)

-- 
2.7.4