linux-kernel - Re: [tip:x86/pti] x86/speculation, objtool: Annotate indirect calls/jumps for objtool on 32-bit kernels

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Date:   Wed, 14 Mar 2018 08:03:29 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     tip-bot for Andy Whitcroft <tipbot@...or.com>
Cc:     linux-tip-commits@...r.kernel.org, hpa@...or.com,
        dave.hansen@...ux.intel.com, arjan@...ux.intel.com,
        mingo@...nel.org, dwmw@...zon.co.uk, gregkh@...uxfoundation.org,
        torvalds@...ux-foundation.org, apw@...onical.com, bp@...en8.de,
        luto@...nel.org, dan.j.williams@...el.com, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, dwmw2@...radead.org,
        peterz@...radead.org
Subject: Re: [tip:x86/pti] x86/speculation, objtool: Annotate indirect
 calls/jumps for objtool on 32-bit kernels

On Wed, Mar 14, 2018 at 05:28:01AM -0700, tip-bot for Andy Whitcroft wrote:
> Commit-ID:  a14bff131108faf50cc0cf864589fd71ee216c96
> Gitweb:     https://git.kernel.org/tip/a14bff131108faf50cc0cf864589fd71ee216c96
> Author:     Andy Whitcroft <apw@...onical.com>
> AuthorDate: Wed, 14 Mar 2018 11:24:27 +0000
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Wed, 14 Mar 2018 13:24:31 +0100
> 
> x86/speculation, objtool: Annotate indirect calls/jumps for objtool on 32-bit kernels
> 
> In the following commit:
> 
>   9e0e3c5130e9 ("x86/speculation, objtool: Annotate indirect calls/jumps for objtool")
> 
> ... we added annotations for CALL_NOSPEC/JMP_NOSPEC on 64-bit x86 kernels,
> but we did not annotate the 32-bit path.
> 
> Annotate it similarly.

This patch has no effect because objtool only supports 64-bit kernels.

-- 
Josh