linux-kernel - Re: [PATCH v2 16/16] arm64: Add ARM_SMCCC_ARCH_WORKAROUND

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Message-ID: <27fb84a6-d2a0-2d49-0e99-4a8bb8b32ac9@arm.com>
Date:   Tue, 30 Jan 2018 12:10:38 +0000
From:   Marc Zyngier <marc.zyngier@....com>
To:     Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        kvmarm <kvmarm@...ts.cs.columbia.edu>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Peter Maydell <peter.maydell@...aro.org>,
        Christoffer Dall <christoffer.dall@...aro.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Mark Rutland <mark.rutland@....com>,
        Robin Murphy <robin.murphy@....com>,
        Jon Masters <jcm@...hat.com>
Subject: Re: [PATCH v2 16/16] arm64: Add ARM_SMCCC_ARCH_WORKAROUND_1 BP
 hardening support

On 29/01/18 19:41, Ard Biesheuvel wrote:
> On 29 January 2018 at 17:45, Marc Zyngier <marc.zyngier@....com> wrote:
>> Add the detection and runtime code for ARM_SMCCC_ARCH_WORKAROUND_1.
>> It is lovely. Really.
>>
>> Signed-off-by: Marc Zyngier <marc.zyngier@....com>
>> ---
>>  arch/arm64/include/asm/kvm_psci.h | 63 ++++++++++++++++++++++++++++++++++++
>>  arch/arm64/kernel/bpi.S           | 20 ++++++++++++
>>  arch/arm64/kernel/cpu_errata.c    | 68 ++++++++++++++++++++++++++++++++++++++-
>>  3 files changed, 150 insertions(+), 1 deletion(-)
>>  create mode 100644 arch/arm64/include/asm/kvm_psci.h
>>
>> diff --git a/arch/arm64/include/asm/kvm_psci.h b/arch/arm64/include/asm/kvm_psci.h
> 
> Did you mean to add this file? It is mostly identical to include/kvm/arm_psci.h

No, that's yet another patch splitting mistake. I'll drop it.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...