linux-kernel - Re: [PATCH 2/3] objtool: Ignore retpoline alternatives

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Message-ID: <1515688058.22302.366.camel@infradead.org>
Date:   Thu, 11 Jan 2018 16:27:38 +0000
From:   David Woodhouse <dwmw2@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
        Andi Kleen <ak@...ux.intel.com>, Paul Turner <pjt@...gle.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...ux-foundation.org>,
        Tim Chen <tim.c.chen@...ux.intel.com>,
        Dave Hansen <dave.hansen@...el.com>,
        Kees Cook <keescook@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...capital.net>,
        Jiri Kosina <jikos@...nel.org>, gnomes@...rguk.ukuu.org.uk
Subject: Re: [PATCH 2/3] objtool: Ignore retpoline alternatives

On Wed, 2018-01-10 at 19:48 -0600, Josh Poimboeuf wrote:
> 
> +#define ANNOTATE_NOSPEC_ALTERNATIVE                            \
> +       "999:\n\t"                                              \
> +       ".pushsection .discard.nospec\n\t"                      \
> +       ".long 999b - .\n\t"                                    \
> +       ".popsection\n\t"
> +

<mode name="peterz">
  Ick, numbers. Use .Lfoo_%= instead.
</mode>
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