Subject: Re: [PATCH v6 22/25] x86/asm: annotate indirect jumps

From: Kees Cook <[email-masked]>
Date: Wed, 14 Oct 2020 15:46:59 -0700

On Mon, Oct 12, 2020 at 05:32:00PM -0700, Sami Tolvanen wrote:
> Running objtool --vmlinux --duplicate on vmlinux.o produces a few
> warnings about indirect jumps with retpoline:
> 
>   vmlinux.o: warning: objtool: wakeup_long64()+0x61: indirect jump
>   found in RETPOLINE build
>   ...
> 
> This change adds ANNOTATE_RETPOLINE_SAFE annotations to the jumps
> in assembly code to stop the warnings.
> 
> Signed-off-by: Sami Tolvanen <[email-masked]>

Reviewed-by: Kees Cook <[email-masked]>

This looks like it's an independent fix -- can an x86 maintainer pick
up this patch directly?

-- 
Kees Cook

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