Re: [PATCH v2 03/12] objtool: Convert ANNOTATE_RETPOLINE_SAFE to ANNOTATE

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On Mon, Nov 11, 2024 at 12:59:38PM +0100, Peter Zijlstra wrote:
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
> ---
>  arch/x86/include/asm/nospec-branch.h |   13 +-------
>  include/linux/objtool_types.h        |    1 
>  tools/include/linux/objtool_types.h  |    1 
>  tools/objtool/check.c                |   52 ++++++++++++-----------------------
>  4 files changed, 22 insertions(+), 45 deletions(-)
> 
> --- a/arch/x86/include/asm/nospec-branch.h
> +++ b/arch/x86/include/asm/nospec-branch.h
> @@ -193,12 +193,7 @@
>   * objtool the subsequent indirect jump/call is vouched safe for retpoline
>   * builds.
>   */
> -.macro ANNOTATE_RETPOLINE_SAFE
> -.Lhere_\@:
> -	.pushsection .discard.retpoline_safe
> -	.long .Lhere_\@
> -	.popsection
> -.endm
> +#define ANNOTATE_RETPOLINE_SAFE	ANNOTATE type=ANNOTYPE_RETPOLINE_SAFE

I'm thinking it would be nice to put all the ANNOTATE_* definitions
in objtool.h so we can have all the annotations and their descriptions
in one place.

-- 
Josh




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