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Mon, 09 Jun 2025 09:43:18 -0700 (PDT) Received: from visitorckw-System-Product-Name ([140.113.216.168]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2360340fe73sm56130675ad.198.2025.06.09.09.43.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Jun 2025 09:43:17 -0700 (PDT) Date: Tue, 10 Jun 2025 00:43:14 +0800 From: Kuan-Wei Chiu To: kernel test robot Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Andrew Morton , Linux Memory Management List , Yu-Chun Lin , Tal Zussman , jserv@ccns.ncku.edu.tw Subject: Re: [akpm-mm:mm-nonmm-unstable 32/32] ({ BUILDclang diag: _include/linux/compiler_attributes.h:138:56: warning: attribute 'error' is already applied with different arguments [-Wignored-attributes]B Message-ID: References: <202506090716.JryOipkx-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202506090716.JryOipkx-lkp@intel.com> X-Rspamd-Queue-Id: 678622000B X-Stat-Signature: qbb1dgy81nnb4k8yzucxgb817nhskkzz X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1749487399-265293 X-HE-Meta: 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 H77ypTtV 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, Jun 09, 2025 at 07:48:46AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable > head: 8172857ac52869c411762ce86802d127b0bb7546 > commit: 8172857ac52869c411762ce86802d127b0bb7546 [32/32] riscv: optimize gcd() performance on RISC-V without Zbb extension > config: x86_64-buildonly-randconfig-001-20250609 (https://download.01.org/0day-ci/archive/20250609/202506090716.JryOipkx-lkp@intel.com/config) > compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) > rustc: rustc 1.78.0 (9b00956e5 2024-04-29) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250609/202506090716.JryOipkx-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202506090716.JryOipkx-lkp@intel.com/ > I wasn't able to reproduce the issue on the latest mm-nonmm-unstable branch. However, after I manually applied the patch "[PATCH] compiler_types: Remove unnecessary indirection in compiletime_assert()" [1] on top of it, the issue appeared. Since the patch pointed out by the test robot only touches RISC-V code, and the issue shows up on x86, I believe it's reasonable to conclude that the dropped compiler_types patch was the cause, rather than the RISC-V gcd patch. [1]: https://lore.kernel.org/lkml/20250607-compiletime_assert-v1-1-a8991a9be729@columbia.edu/ Regards, Kuan-Wei