linux-kernel - Re: [PATCH v2 04/17] arm64: Add ARCH_WORKAROUND

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Date:   Tue, 29 May 2018 14:39:04 +0100
From:   Suzuki K Poulose <Suzuki.Poulose@....com>
To:     Marc Zyngier <marc.zyngier@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kvmarm@...ts.cs.columbia.edu
Cc:     Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Christoffer Dall <christoffer.dall@....com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Julien Grall <julien.grall@....com>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH v2 04/17] arm64: Add ARCH_WORKAROUND_2 probing

On 29/05/18 13:11, Marc Zyngier wrote:
> As for Spectre variant-2, we rely on SMCCC 1.1 to provide the
> discovery mechanism for detecting the SSBD mitigation.
> 
> A new capability is also allocated for that purpose, and a
> config option.
> 
> Reviewed-by: Julien Grall <julien.grall@....com>
> Reviewed-by: Mark Rutland <mark.rutland@....com>
> Signed-off-by: Marc Zyngier <marc.zyngier@....com>


Reviewed-by: Suzuki K Poulose <suzuki.poulose@....com>