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From: Naresh Kamboju <naresh.kamboju@linaro.org>
To: open list <linux-kernel@vger.kernel.org>,
	linux-mm <linux-mm@kvack.org>,
	 Linux Regressions <regressions@lists.linux.dev>,
	lkft-triage@lists.linaro.org,
	 clang-built-linux <llvm@lists.linux.dev>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Nathan Chancellor <nathan@kernel.org>,
	 Nick Desaulniers <ndesaulniers@google.com>,
	Baolin Wang <baolin.wang@linux.alibaba.com>,
	 willy@infradead.org, David Hildenbrand <david@redhat.com>
Subject: next: x86_64 defconfig with clang-17 failed
Date: Thu, 28 Mar 2024 19:05:51 +0530	[thread overview]
Message-ID: <CA+G9fYvbFMMCmk91vzVXcS5T2Ezkwg8tQDgt_TfF-8Q=c0B0PQ@mail.gmail.com> (raw)

While building x86_64 defconfig with clang-17 the following build warnings /
errors noticed on Linux next-20240328 tag.

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Build error:
---------
mm/memory.c:5094:25: error: variable 'pte' is uninitialized when used
here [-Werror,-Wuninitialized]
 5094 |                         writable = pte_write(pte);
      |                                              ^~~
mm/memory.c:5083:3: note: variable 'pte' is declared here
 5083 |                 pte_t pte, old_pte;
      |                 ^
1 error generated.

steps to reproduce:
----------
# tuxmake --runtime podman --target-arch x86_64 --toolchain clang-17
--kconfig x86_64_defconfig LLVM=1 LLVM_IAS=1


Links:
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240328/testrun/23230289/suite/build/test/clang-17-x86_64_defconfig/log
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20240328/testrun/23230289/suite/build/test/clang-17-x86_64_defconfig/details/
 - https://storage.tuxsuite.com/public/linaro/lkft/builds/2eIseG3mebbz7v0HESNW2YOTmiu/

--
Linaro LKFT
https://lkft.linaro.org


             reply	other threads:[~2024-03-28 13:36 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-28 13:35 Naresh Kamboju [this message]
2024-03-28 18:50 ` Andrew Morton

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