Re: [PATCH] compiler.h: Avoid the usage of __typeof_unqual__() when __GENKSYMS__ is defined

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On Fri, Apr 4, 2025 at 4:06 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote:

> > > > Current version of genksyms doesn't know anything about __typeof_unqual__()
> > > > operator.  Avoid the usage of __typeof_unqual__() with genksyms to prevent
> > > > errors when symbols are versioned.
> > > >
> > > > There were no problems with gendwarfksyms.
> > > >
> > > > Signed-off-by: Uros Bizjak <ubizjak@xxxxxxxxx>
> > > > Fixes: ac053946f5c40 ("compiler.h: introduce TYPEOF_UNQUAL() macro")
> > > > Reported-by: Paul Menzel <pmenzel@xxxxxxxxxxxxx>
> > > > Closes: https://lore.kernel.org/lkml/81a25a60-de78-43fb-b56a-131151e1c035@xxxxxxxxxxxxx/
> > > > Cc: Sami Tolvanen <samitolvanen@xxxxxxxxxx>
> > > > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> > > > ---
> > >
> > >
> > > Why don't you add it to the genksyms keyword table?
> >
> > It doesn't work, even if I patch it with an even more elaborate patch
> > (attached).
> >
> > I guess some more surgery will be needed, but for now a fallback works
> > as expected.
> >
> > Uros.
>
> The attached patch looks good to me.

FAOD - do you refer to the submitted one for compiler.h or to the one
for scripts/genksyms/keywords.c? (The latter doesn't fix the warning,
though).

Thanks,
Uros.





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