From: Michael Ellerman <mpe@ellerman.id.au>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Nathan Chancellor <nathan@kernel.org>,
kernel test robot <lkp@intel.com>
Subject: Re: [linuxppc:next-test 85/129] arch/powerpc/xmon/xmon.c:489:12: error: stack frame size (2160) exceeds limit (2048) in 'xmon_core'
Date: Sun, 27 Aug 2023 21:32:00 +1000 [thread overview]
Message-ID: <874jkkvhzj.fsf@mail.lhotse> (raw)
In-Reply-To: <CAKwvOdk=UvBxv7a2cV-Z_zK0CwzPSjBnQ0SQHaVAEUodA=hfQQ@mail.gmail.com>
Nick Desaulniers <ndesaulniers@google.com> writes:
> On Fri, Aug 25, 2023 at 12:17 PM kernel test robot <lkp@intel.com> wrote:
>>
>> tree: https://github.com/linuxppc/linux next-test
>> head: c37b6908f7b2bd24dcaaf14a180e28c9132b9c58
>> commit: 7f3c5d099b6f8452dc4dcfe4179ea48e6a13d0eb [85/129] Revert "powerpc/xmon: Relax frame size for clang"
>> config: powerpc64-randconfig-r006-20230825 (https://download.01.org/0day-ci/archive/20230826/202308260344.Vc4Giuk7-lkp@intel.com/config)
>> compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
>
> Hi Michael,
> Given this report and
> https://github.com/ClangBuiltLinux/linux/issues/252#issuecomment-1690371256,
> it seems that it's still possible to trigger this warning (and build
> failure with CONFIG_WERROR). Is it possible to drop my patch at this
> point?
It's too late to drop it, so we'd need to do a revert.
But rather than just a straight revert maybe we can do something that's
more tightly focused, ie. just to specific Clang versions?
> I'll need to go back to the drawing board with these configs +
> specific versions of clang to better understand what's going wrong
> here. Sorry for the trouble.
No worries.
cheers
next prev parent reply other threads:[~2023-08-27 11:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-25 19:16 [linuxppc:next-test 85/129] arch/powerpc/xmon/xmon.c:489:12: error: stack frame size (2160) exceeds limit (2048) in 'xmon_core' kernel test robot
2023-08-25 20:09 ` Nick Desaulniers
2023-08-27 11:32 ` Michael Ellerman [this message]
2023-08-28 17:39 ` Nick Desaulniers
2023-08-29 23:29 ` Michael Ellerman
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