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Tue, 16 Aug 2022 22:08:02 +0000 Date: Wed, 17 Aug 2022 06:07:31 +0800 From: kernel test robot To: Thomas Gleixner Cc: kbuild-all@lists.01.org, Ammar Faizi , GNU/Weeb Mailing List , linux-kernel@vger.kernel.org Subject: [ammarfaizi2-block:tglx/devel/depthtracking 9/59] arch/x86/include/asm/linkage.h:20:3: error: #error Unsupported function alignment Message-ID: <202208170630.b7YljGAi-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 tree: https://github.com/ammarfaizi2/linux-block tglx/devel/depthtracking head: 9bbf33b92f4c755dd56f4d9bc1b40e94fdd1fff7 commit: bf8d55ad26e37b4ebef53eab531481e6e35d36a2 [9/59] x86/asm: Ensure proper function alignment config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220817/202208170630.b7YljGAi-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-5) 11.3.0 reproduce (this is a W=1 build): # https://github.com/ammarfaizi2/linux-block/commit/bf8d55ad26e37b4ebef53eab531481e6e35d36a2 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block tglx/devel/depthtracking git checkout bf8d55ad26e37b4ebef53eab531481e6e35d36a2 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=um SUBARCH=i386 prepare If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot All errors (new ones prefixed by >>): arch/x86/um/user-offsets.c:17:6: warning: no previous prototype for 'foo' [-Wmissing-prototypes] 17 | void foo(void) | ^~~ In file included from include/linux/linkage.h:8, from include/linux/printk.h:8, from include/asm-generic/bug.h:22, from ./arch/um/include/generated/asm/bug.h:1, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/x86/include/asm/linkage.h:15:5: warning: "CONFIG_FUNCTION_ALIGNMENT" is not defined, evaluates to 0 [-Wundef] 15 | #if CONFIG_FUNCTION_ALIGNMENT == 8 | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/x86/include/asm/linkage.h:17:7: warning: "CONFIG_FUNCTION_ALIGNMENT" is not defined, evaluates to 0 [-Wundef] 17 | #elif CONFIG_FUNCTION_ALIGNMENT == 16 | ^~~~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/include/asm/linkage.h:20:3: error: #error Unsupported function alignment 20 | # error Unsupported function alignment | ^~~~~ In file included from include/linux/printk.h:8, from include/asm-generic/bug.h:22, from ./arch/um/include/generated/asm/bug.h:1, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: include/linux/linkage.h:73: warning: "__ALIGN_STR" redefined 73 | #define __ALIGN_STR ".align 4,0x90" | In file included from include/linux/linkage.h:8, from include/linux/printk.h:8, from include/asm-generic/bug.h:22, from ./arch/um/include/generated/asm/bug.h:1, from include/linux/bug.h:5, from include/linux/page-flags.h:10, from kernel/bounds.c:10: arch/x86/include/asm/linkage.h:23: note: this is the location of the previous definition 23 | #define __ALIGN_STR __stringify(__ALIGN) | make[2]: *** [scripts/Makefile.build:117: kernel/bounds.s] Error 1 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:1207: prepare0] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:222: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +20 arch/x86/include/asm/linkage.h 14 15 #if CONFIG_FUNCTION_ALIGNMENT == 8 16 #define __ALIGN .p2align 3, 0x90; 17 #elif CONFIG_FUNCTION_ALIGNMENT == 16 18 #define __ALIGN .p2align 4, 0x90; 19 #else > 20 # error Unsupported function alignment 21 #endif 22 -- 0-DAY CI Kernel Test Service https://01.org/lkp