linux-kernel - Re: [PATCH] objtool: Fix switch-table detection

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Message-ID: <CA+55aFzxm2CdhhJME8C-aC1MhU1ovTV0A9BZe2V-xw_oyktJiA@mail.gmail.com>
Date:   Thu, 8 Feb 2018 09:34:16 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Josh Poimboeuf <jpoimboe@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Borislav Petkov <bp@...en8.de>
Subject: Re: [PATCH] objtool: Fix switch-table detection

On Thu, Feb 8, 2018 at 5:02 AM, Peter Zijlstra <peterz@...radead.org> wrote:
>
> Fix this by creating a 'jump-stack' which we can 'unwind' during
> reversal, thereby skipping over much of the in-between code.

I'm assuming this will come through the normal tip trees, since that's
where objtool stuff generally comes from, and this is not very high
priority.

> Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>

And assuming it's the same patch, just with the extra comment and
jump_orig -> first_jump_src rename (and MAINTAINERS update), that can
be a

  Reported-and-tested-by: Linus Torvalds <torvalds@...ux-foundation.org>

since the previous version worked fine for me.

Thanks,

                Linus