linux-kernel - Re: [PATCH v3] Revert "powerpc: slightly improve cache helpers"

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Date:   Sat, 10 Aug 2019 19:09:02 +1000
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     christophe.leroy@....fr, segher@...nel.crashing.org, arnd@...db.de,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        kbuild test robot <lkp@...el.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com
Subject: Re: [PATCH v3] Revert "powerpc: slightly improve cache helpers"

Nick Desaulniers <ndesaulniers@...gle.com> writes:
> This reverts commit 6c5875843b87c3adea2beade9d1b8b3d4523900a.
>
> Work around Clang bug preventing ppc32 from booting.
>
> Link: https://bugs.llvm.org/show_bug.cgi?id=42762
> Link: https://github.com/ClangBuiltLinux/linux/issues/593
> Debugged-by: Nathan Chancellor <natechancellor@...il.com>
> Reported-by: Nathan Chancellor <natechancellor@...il.com>
> Reported-by: kbuild test robot <lkp@...el.com>
> Suggested-by: Christophe Leroy <christophe.leroy@....fr>
> Signed-off-by: Nick Desaulniers <ndesaulniers@...gle.com>
> ---
> Changes V2 -> V3:
> * Just revert, as per Christophe.
> Changes V1 -> V2:
> * Change to ouput paremeter.

Thanks. I actually already had this revert in my tree since ~10 days
ago, but hadn't pushed it yet because the discussion was ongoing.

So I'll just use that version, and ask Linus to pull it.

cheers