Re: [PATCH] lib/mpi: Fix building for powerpc with clang

From: Nathan Chancellor
Date: Fri Apr 24 2020 - 04:13:44 EST


On Fri, Apr 24, 2020 at 01:23:37PM +1000, Michael Ellerman wrote:
> Nathan Chancellor <natechancellor@xxxxxxxxx> writes:
> > On Tue, Apr 14, 2020 at 11:57:31PM +1000, Herbert Xu wrote:
> >> On Mon, Apr 13, 2020 at 12:50:42PM -0700, Nathan Chancellor wrote:
> >> > 0day reports over and over on an powerpc randconfig with clang:
> >> >
> >> > lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a
> >> > inline asm context requiring an l-value: remove the cast or build with
> >> > -fheinous-gnu-extensions
> >> >
> >> > Remove the superfluous casts, which have been done previously for x86
> >> > and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and
> >> > commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit
> >> > x86").
> >> >
> >> > Reported-by: kbuild test robot <lkp@xxxxxxxxx>
> >> > Link: https://github.com/ClangBuiltLinux/linux/issues/991
> >> > Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> >>
> >> Acked-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> >> --
> >> Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
> >> Home Page: http://gondor.apana.org.au/~herbert/
> >> PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
> >
> > Might be better for you to take this instead. 0day just tripped over
> > this again.
>
> Sorry I missed the ack. Will pick it up today.
>
> cheers

Thank you!

Cheers,
Nathan