From: Rob Herring <robh@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org> Cc: kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 0/3] Cortex-A77 erratum 1508412 workaround Date: Fri, 17 Jul 2020 14:52:30 -0600 [thread overview] Message-ID: <20200717205233.903344-1-robh@kernel.org> (raw) This series implements the work-around for Cortex-A77 erratum 1508412. KVM guests which don't implement the workaround can still deadlock the system. This is also the case with the existing Cortex-A57 erratum 832075, so we add a warning message if an erratum can cause deadlock. Changes detailed in patches. Rob v2: https://lore.kernel.org/linux-arm-kernel/20200701215308.3715856-1-robh@kernel.org/ v1: https://lore.kernel.org/linux-arm-kernel/20200629213321.2953022-1-robh@kernel.org/ Rob Herring (3): KVM: arm64: Print warning when cpu erratum can cause guests to deadlock arm64: Add part number for Arm Cortex-A77 arm64: Add workaround for Arm Cortex-A77 erratum 1508412 Documentation/arm64/silicon-errata.rst | 2 ++ arch/arm64/Kconfig | 19 +++++++++++++++++++ arch/arm64/include/asm/cpucaps.h | 3 ++- arch/arm64/include/asm/cputype.h | 2 ++ arch/arm64/include/asm/kvm_hyp.h | 11 +++++++++++ arch/arm64/kernel/cpu_errata.c | 10 ++++++++++ arch/arm64/kvm/arm.c | 5 +++++ arch/arm64/kvm/hyp/switch.c | 7 ++++--- arch/arm64/kvm/hyp/sysreg-sr.c | 2 +- arch/arm64/kvm/sys_regs.c | 8 +++++++- arch/arm64/mm/fault.c | 10 ++++++++++ 11 files changed, 73 insertions(+), 6 deletions(-) -- 2.25.1 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Marc Zyngier <maz@kernel.org> Cc: kvmarm@lists.cs.columbia.edu, James Morse <james.morse@arm.com>, Julien Thierry <julien.thierry.kdev@gmail.com>, linux-arm-kernel@lists.infradead.org, Suzuki K Poulose <suzuki.poulose@arm.com> Subject: [PATCH v3 0/3] Cortex-A77 erratum 1508412 workaround Date: Fri, 17 Jul 2020 14:52:30 -0600 [thread overview] Message-ID: <20200717205233.903344-1-robh@kernel.org> (raw) This series implements the work-around for Cortex-A77 erratum 1508412. KVM guests which don't implement the workaround can still deadlock the system. This is also the case with the existing Cortex-A57 erratum 832075, so we add a warning message if an erratum can cause deadlock. Changes detailed in patches. Rob v2: https://lore.kernel.org/linux-arm-kernel/20200701215308.3715856-1-robh@kernel.org/ v1: https://lore.kernel.org/linux-arm-kernel/20200629213321.2953022-1-robh@kernel.org/ Rob Herring (3): KVM: arm64: Print warning when cpu erratum can cause guests to deadlock arm64: Add part number for Arm Cortex-A77 arm64: Add workaround for Arm Cortex-A77 erratum 1508412 Documentation/arm64/silicon-errata.rst | 2 ++ arch/arm64/Kconfig | 19 +++++++++++++++++++ arch/arm64/include/asm/cpucaps.h | 3 ++- arch/arm64/include/asm/cputype.h | 2 ++ arch/arm64/include/asm/kvm_hyp.h | 11 +++++++++++ arch/arm64/kernel/cpu_errata.c | 10 ++++++++++ arch/arm64/kvm/arm.c | 5 +++++ arch/arm64/kvm/hyp/switch.c | 7 ++++--- arch/arm64/kvm/hyp/sysreg-sr.c | 2 +- arch/arm64/kvm/sys_regs.c | 8 +++++++- arch/arm64/mm/fault.c | 10 ++++++++++ 11 files changed, 73 insertions(+), 6 deletions(-) -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-07-17 20:52 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-17 20:52 Rob Herring [this message] 2020-07-17 20:52 ` [PATCH v3 0/3] Cortex-A77 erratum 1508412 workaround Rob Herring 2020-07-17 20:52 ` [PATCH v3 1/3] KVM: arm64: Print warning when cpu erratum can cause guests to deadlock Rob Herring 2020-07-17 20:52 ` Rob Herring 2020-07-17 20:52 ` [PATCH v3 2/3] arm64: Add part number for Arm Cortex-A77 Rob Herring 2020-07-17 20:52 ` Rob Herring 2020-07-17 20:52 ` [PATCH v3 3/3] arm64: Add workaround for Arm Cortex-A77 erratum 1508412 Rob Herring 2020-07-17 20:52 ` Rob Herring 2020-07-27 15:52 ` Andrew Scull 2020-07-27 15:52 ` Andrew Scull 2020-07-29 16:38 ` Catalin Marinas 2020-07-29 16:38 ` Catalin Marinas 2020-07-30 8:22 ` Will Deacon 2020-07-30 8:22 ` Will Deacon 2020-07-31 22:55 ` Rob Herring 2020-07-31 22:55 ` Rob Herring 2020-08-03 15:03 ` Will Deacon 2020-08-03 15:03 ` Will Deacon 2020-07-31 23:21 ` Rob Herring 2020-07-31 23:21 ` Rob Herring
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