Hi Daniel, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20191209] [also build test WARNING on linus/master v5.5-rc1] [cannot apply to powerpc/next asm-generic/master v5.4] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Daniel-Axtens/KASAN-for-powerpc64-radix-plus-generic-mm-change/20191210-171342 base: 6cf8298daad041cd15dc514d8a4f93ca3636c84e config: i386-tinyconfig (attached as .config) compiler: gcc-7 (Debian 7.5.0-1) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from arch/x86/include/asm/pgtable_types.h:359:0, from arch/x86/include/asm/processor.h:20, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: >> include/asm-generic/pgtable-nopud.h:22:0: warning: "MAX_PTRS_PER_PUD" redefined #define MAX_PTRS_PER_PUD 1 In file included from arch/x86/include/asm/processor.h:20:0, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: arch/x86/include/asm/pgtable_types.h:261:0: note: this is the location of the previous definition #define MAX_PTRS_PER_PUD PTRS_PER_PUD In file included from arch/x86/include/asm/pgtable_types.h:385:0, from arch/x86/include/asm/processor.h:20, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: >> include/asm-generic/pgtable-nopmd.h:21:0: warning: "MAX_PTRS_PER_PMD" redefined #define MAX_PTRS_PER_PMD 1 In file included from arch/x86/include/asm/processor.h:20:0, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: arch/x86/include/asm/pgtable_types.h:262:0: note: this is the location of the previous definition #define MAX_PTRS_PER_PMD PTRS_PER_PMD -- In file included from arch/x86/include/asm/pgtable_types.h:359:0, from arch/x86/include/asm/processor.h:20, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: >> include/asm-generic/pgtable-nopud.h:22:0: warning: "MAX_PTRS_PER_PUD" redefined #define MAX_PTRS_PER_PUD 1 In file included from arch/x86/include/asm/processor.h:20:0, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: arch/x86/include/asm/pgtable_types.h:261:0: note: this is the location of the previous definition #define MAX_PTRS_PER_PUD PTRS_PER_PUD In file included from arch/x86/include/asm/pgtable_types.h:385:0, from arch/x86/include/asm/processor.h:20, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: >> include/asm-generic/pgtable-nopmd.h:21:0: warning: "MAX_PTRS_PER_PMD" redefined #define MAX_PTRS_PER_PMD 1 In file included from arch/x86/include/asm/processor.h:20:0, from arch/x86/include/asm/cpufeature.h:5, from arch/x86/include/asm/thread_info.h:53, from include/linux/thread_info.h:38, from arch/x86/include/asm/preempt.h:7, from include/linux/preempt.h:78, from include/linux/spinlock.h:51, from include/linux/mmzone.h:8, from include/linux/gfp.h:6, from include/linux/slab.h:15, from include/linux/crypto.h:19, from arch/x86/kernel/asm-offsets.c:9: arch/x86/include/asm/pgtable_types.h:262:0: note: this is the location of the previous definition #define MAX_PTRS_PER_PMD PTRS_PER_PMD 5 real 3 user 2 sys 114.30% cpu make prepare vim +/MAX_PTRS_PER_PUD +22 include/asm-generic/pgtable-nopud.h 20 21 #define PUD_SHIFT P4D_SHIFT > 22 #define MAX_PTRS_PER_PUD 1 23 #define PTRS_PER_PUD 1 24 #define PUD_SIZE (1UL << PUD_SHIFT) 25 #define PUD_MASK (~(PUD_SIZE-1)) 26 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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