linux-kernel - Re: [PATCH v5 1/1] x86/cpufeatures: Implement Predictive Store Forwarding control.

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Date:   Tue, 11 May 2021 00:15:32 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Kees Cook <keescook@...omium.org>
Cc:     "Saripalli\, RK" <rsaripal@....com>, linux-kernel@...r.kernel.org,
        x86@...nel.org, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        Jonathan Corbet <corbet@....net>, bsd@...hat.com,
        Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [PATCH v5 1/1] x86/cpufeatures: Implement Predictive Store Forwarding control.

On Mon, May 10 2021 at 15:09, Kees Cook wrote:
> On Mon, May 10, 2021 at 11:44:03PM +0200, Thomas Gleixner wrote:
>> Kees, any opinions?
>
> I agree: if PSF is a subset of SSBD, there's no need for the additional
> machinery.
>
> On a related topic, what happened to Andi's patch to switch the seccomp
> defaults? I can't find it now...

You mean this one:

  https://lore.kernel.org/r/20200312231222.81861-1-andi@firstfloor.org

If so, then it has lacks a follow up.

Thanks,

        tglx