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[188.22.218.164]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-57aae20238asm2696643a12.73.2024.06.07.05.37.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 07 Jun 2024 05:37:19 -0700 (PDT) Message-ID: <0bfc6b38-8bc5-4971-b6fb-dc642a73fbfe@gmail.com> Date: Fri, 7 Jun 2024 14:37:19 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US From: Christian Schrefl Subject: [Bug] Failing kunit test on ARCH=arm and LLVM=1 To: llvm@lists.linux.dev, linux-kernel@vger.kernel.org Cc: kunit-dev@googlegroups.com, Andrew Morton Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Greetings, when trying to port Rust to ARM I noticed that the DEFINE_FLEX_test kunit test in lib/overflow_kunit.c:1188 fails when combining LLVM=1 and ARCH=arm. I have reproduced this on v6.10-rc1 and next-20240606. Here is the clang/llvm version I'm using: clang version 18.1.6 (Fedora 18.1.6-3.fc40) Target: x86_64-redhat-linux-gnu Thread model: posix InstalledDir: /usr/bin Configuration file: /etc/clang/x86_64-redhat-linux-gnu-clang.cfg I have not looked closer at the failure so I'm unsure if this is a problem with LLVM or if the test case is to speciffic. Let me know if I should open a issue at https://github.com/ClangBuiltLinux/linux/issues instead. Cheers, Christian