linux-kernel - Re: [patch V2 1/2] sysfs/cpu: Add vulnerability folder

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Date:   Mon, 8 Jan 2018 07:53:49 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...uxfoundation.org>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Borislav Petkov <bp@...en8.de>,
        David Woodhouse <dwmw@...zon.co.uk>,
        Dave Hansen <dave.hansen@...el.com>,
        Will Deacon <will.deacon@....com>
Subject: Re: [patch V2 1/2] sysfs/cpu: Add vulnerability folder

On Sun, Jan 07, 2018 at 10:48:00PM +0100, Thomas Gleixner wrote:
> As the meltdown/spectre problem affects several CPU architectures, it makes
> sense to have common way to express whether a system is affected by a
> particular vulnerability or not. If affected the way to express the
> mitigation should be common as well.
> 
> Create /sys/devices/system/cpu/vulnerabilities folder and files for
> meltdown, spectre_v1 and spectre_v2.
> 
> Allow architectures to override the show function.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Thanks for the documentation update, looks good to me:

Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>