From: Nathan Chancellor <nathan@kernel.org> To: kernel test robot <lkp@intel.com> Cc: "Justin M. Forbes" <jforbes@fedoraproject.org>, llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, "Jason A. Donenfeld" <zx2c4@kernel.org> Subject: Re: arch/arm/lib/xor-neon.c:30:2: warning: This code requires at least version 4.6 of GCC Date: Sat, 29 Jan 2022 13:22:57 -0700 [thread overview] Message-ID: <YfWiIZ9QZuWRTYRy@dev-arch.archlinux-ax161> (raw) In-Reply-To: <202201291408.Pkylyt75-lkp@intel.com> On Sat, Jan 29, 2022 at 03:02:58PM +0800, kernel test robot wrote: > Hi Justin, > > First bad commit (maybe != root cause): Yeah, this commit definitely does not introduce this warning, it has been one of our longest tracked warnings. > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 169387e2aa291a4e3cb856053730fe99d6cec06f > commit: e56e18985596617ae426ed5997fb2e737cffb58b lib/crypto: add prompts back to crypto libraries > date: 11 days ago > config: arm-randconfig-r004-20220128 (https://download.01.org/0day-ci/archive/20220129/202201291408.Pkylyt75-lkp@intel.com/config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 33b45ee44b1f32ffdbc995e6fec806271b4b3ba4) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e56e18985596617ae426ed5997fb2e737cffb58b > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout e56e18985596617ae426ed5997fb2e737cffb58b > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@intel.com> > > All warnings (new ones prefixed by >>): > > >> arch/arm/lib/xor-neon.c:30:2: warning: This code requires at least version 4.6 of GCC [-W#warnings] > #warning This code requires at least version 4.6 of GCC > ^ > 1 warning generated. https://github.com/ClangBuiltLinux/linux/issues/496 https://lore.kernel.org/r/20220127081227.2430-3-ardb@kernel.org/ Cheers, Nathan
WARNING: multiple messages have this Message-ID (diff)
From: Nathan Chancellor <nathan@kernel.org> To: kbuild-all@lists.01.org Subject: Re: arch/arm/lib/xor-neon.c:30:2: warning: This code requires at least version 4.6 of GCC Date: Sat, 29 Jan 2022 13:22:57 -0700 [thread overview] Message-ID: <YfWiIZ9QZuWRTYRy@dev-arch.archlinux-ax161> (raw) In-Reply-To: <202201291408.Pkylyt75-lkp@intel.com> [-- Attachment #1: Type: text/plain, Size: 2105 bytes --] On Sat, Jan 29, 2022 at 03:02:58PM +0800, kernel test robot wrote: > Hi Justin, > > First bad commit (maybe != root cause): Yeah, this commit definitely does not introduce this warning, it has been one of our longest tracked warnings. > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 169387e2aa291a4e3cb856053730fe99d6cec06f > commit: e56e18985596617ae426ed5997fb2e737cffb58b lib/crypto: add prompts back to crypto libraries > date: 11 days ago > config: arm-randconfig-r004-20220128 (https://download.01.org/0day-ci/archive/20220129/202201291408.Pkylyt75-lkp(a)intel.com/config) > compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 33b45ee44b1f32ffdbc995e6fec806271b4b3ba4) > reproduce (this is a W=1 build): > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # install arm cross compiling tool for clang build > # apt-get install binutils-arm-linux-gnueabi > # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e56e18985596617ae426ed5997fb2e737cffb58b > git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git fetch --no-tags linus master > git checkout e56e18985596617ae426ed5997fb2e737cffb58b > # save the config file to linux build tree > mkdir build_dir > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@intel.com> > > All warnings (new ones prefixed by >>): > > >> arch/arm/lib/xor-neon.c:30:2: warning: This code requires at least version 4.6 of GCC [-W#warnings] > #warning This code requires at least version 4.6 of GCC > ^ > 1 warning generated. https://github.com/ClangBuiltLinux/linux/issues/496 https://lore.kernel.org/r/20220127081227.2430-3-ardb(a)kernel.org/ Cheers, Nathan
next prev parent reply other threads:[~2022-01-29 20:23 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-29 7:02 arch/arm/lib/xor-neon.c:30:2: warning: This code requires at least version 4.6 of GCC kernel test robot 2022-01-29 7:02 ` kernel test robot 2022-01-29 20:22 ` Nathan Chancellor [this message] 2022-01-29 20:22 ` Nathan Chancellor
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