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

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On Fri, Nov 15, 2024 at 10:39:36AM -0800, Josh Poimboeuf wrote:
> 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.

Probably, but that's going to be somewhat of a pain. Let me do that at
the end and throw it at an allyesconfig or something.




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