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Wed, 05 Apr 2023 01:29:52 +0000 Date: Wed, 5 Apr 2023 09:29:25 +0800 From: kernel test robot To: Masahiro Yamada Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Nathan Chancellor , Nick Desaulniers Subject: arch/powerpc/kvm/../kernel/head_booke.h:20:6: warning: "THREAD_SHIFT" is not defined, evaluates to 0 Message-ID: <202304050954.yskLdczH-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Masahiro, FYI, the error/warning still remains. tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 76f598ba7d8e2bfb4855b5298caedd5af0c374a8 commit: 80b6093b55e31c2c40ff082fb32523d4e852954f kbuild: add -Wundef to KBUILD_CPPFLAGS for W=1 builds date: 4 months ago config: powerpc-buildonly-randconfig-r003-20230405 (https://download.01.org/0day-ci/archive/20230405/202304050954.yskLdczH-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=80b6093b55e31c2c40ff082fb32523d4e852954f git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 80b6093b55e31c2c40ff082fb32523d4e852954f # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/ arch/powerpc/kvm/ virt/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304050954.yskLdczH-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from arch/powerpc/kvm/bookehv_interrupts.S:26: >> arch/powerpc/kvm/../kernel/head_booke.h:20:6: warning: "THREAD_SHIFT" is not defined, evaluates to 0 [-Wundef] 20 | #if (THREAD_SHIFT < 15) | ^~~~~~~~~~~~ vim +/THREAD_SHIFT +20 arch/powerpc/kvm/../kernel/head_booke.h 1a4b739bbb4f88 Christophe Leroy 2019-04-30 10 63dafe5728e735 Becky Bruce 2006-01-14 11 /* 63dafe5728e735 Becky Bruce 2006-01-14 12 * Macros used for common Book-e exception handling 63dafe5728e735 Becky Bruce 2006-01-14 13 */ 63dafe5728e735 Becky Bruce 2006-01-14 14 63dafe5728e735 Becky Bruce 2006-01-14 15 #define SET_IVOR(vector_number, vector_label) \ 63dafe5728e735 Becky Bruce 2006-01-14 16 li r26,vector_label@l; \ 63dafe5728e735 Becky Bruce 2006-01-14 17 mtspr SPRN_IVOR##vector_number,r26; \ 63dafe5728e735 Becky Bruce 2006-01-14 18 sync 63dafe5728e735 Becky Bruce 2006-01-14 19 e12401222f749c Yuri Tikhonov 2009-01-29 @20 #if (THREAD_SHIFT < 15) e12401222f749c Yuri Tikhonov 2009-01-29 21 #define ALLOC_STACK_FRAME(reg, val) \ e12401222f749c Yuri Tikhonov 2009-01-29 22 addi reg,reg,val e12401222f749c Yuri Tikhonov 2009-01-29 23 #else e12401222f749c Yuri Tikhonov 2009-01-29 24 #define ALLOC_STACK_FRAME(reg, val) \ e12401222f749c Yuri Tikhonov 2009-01-29 25 addis reg,reg,val@ha; \ e12401222f749c Yuri Tikhonov 2009-01-29 26 addi reg,reg,val@l e12401222f749c Yuri Tikhonov 2009-01-29 27 #endif e12401222f749c Yuri Tikhonov 2009-01-29 28 :::::: The code at line 20 was first introduced by commit :::::: e12401222f749c37277a313d631dc024bbfd3b00 powerpc/44x: Support for 256KB PAGE_SIZE :::::: TO: Yuri Tikhonov :::::: CC: Josh Boyer -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests