linux-kernel - Re: [GIT pull] x86/asm for 5.1

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Message-ID: <CAHk-=whDF_R4PyzrPio5PQoUWAzNki1g-1xeB0Q2tSEju4NSrg@mail.gmail.com>
Date:   Mon, 11 Mar 2019 14:04:28 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        "the arch/x86 maintainers" <x86@...nel.org>
Subject: Re: [GIT pull] x86/asm for 5.1

On Mon, Mar 11, 2019 at 1:36 PM Kees Cook <keescook@...omium.org> wrote:
>
> Oh! I see what you mean -- separate the or and test.

Yeah. You'll obviously need to or in the bits at run-time then if the
test ever _fails_ and you warn about an attack and do the fixup, but
that's a separate path.

              Linus