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SubjectRe: [PATCH 8/8] scripts/min-tool-version.sh: raise minimum clang version to 14.0.0 for s390
On Wed, May 11, 2022 at 12:56:27PM -0700, Nick Desaulniers wrote:
> On Wed, May 11, 2022 at 12:27 PM Nick Desaulniers
> <ndesaulniers@google.com> wrote:
> >
> > On Wed, May 11, 2022 at 5:05 AM Heiko Carstens <hca@linux.ibm.com> wrote:
> > >
> > > Before version 14.0.0 llvm's integrated assembler fails to handle some
> > > displacement variants:
> > >
> > > arch/s390/purgatory/head.S:108:10: error: invalid operand for instruction
> > > lg %r11,kernel_type-.base_crash(%r13)
> > >
> > > Instead of working around this and given that this is already fixed
> > > raise the minimum clang version from 13.0.0 to 14.0.0.
> >
> > Do you have the commit in LLVM that fixed this? Might be nice to link
>
> Maybe it's
> https://reviews.llvm.org/D113341?

Yes, looks like it.

> Also, these are the open issues we had for the integrated assembler.
> https://github.com/ClangBuiltLinux/linux/issues?q=is%3Aopen+is%3Aissue+label%3A%22%5BARCH%5D+s390%22+label%3A%22%5BTOOL%5D+integrated-as%22
>
> Any chance you could include relevant Link tags on your commit
> messages for patches that address these? It makes it easier to track
> when/where things land if we ever intend to backport anything to
> stable.

Sure, will do.

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