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

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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 <samitolvanen@xxxxxxxxxx>

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

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

-- 
Kees Cook



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