Hi Matthew, [auto build test ERROR on linus/master] [also build test ERROR on v4.11-rc3 next-20170324] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Matthew-Wilcox/Add-memsetN-functions/20170326-140108 config: mips-defconfig (attached as .config) compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=mips All errors (new ones prefixed by >>): In file included from include/linux/selection.h:11:0, from drivers/video/console/newport_con.c:16: include/linux/vt_buffer.h: In function 'scr_memsetw': >> include/linux/vt_buffer.h:34:2: error: implicit declaration of function 'memset16' [-Werror=implicit-function-declaration] memset16(s, c, count / 2); ^~~~~~~~ include/linux/vt_buffer.h: In function 'scr_memcpyw': >> include/linux/vt_buffer.h:47:2: error: implicit declaration of function 'memcpy' [-Werror=implicit-function-declaration] memcpy(d, s, count); ^~~~~~ include/linux/vt_buffer.h: In function 'scr_memmovew': >> include/linux/vt_buffer.h:66:2: error: implicit declaration of function 'memmove' [-Werror=implicit-function-declaration] memmove(d, s, count); ^~~~~~~ In file included from include/linux/string.h:18:0, from include/linux/bitmap.h:8, from include/linux/cpumask.h:11, from arch/mips/include/asm/processor.h:15, from arch/mips/include/asm/thread_info.h:15, from include/linux/thread_info.h:25, from include/asm-generic/preempt.h:4, from ./arch/mips/include/generated/asm/preempt.h:1, from include/linux/preempt.h:80, from include/linux/spinlock.h:50, from include/linux/wait.h:8, from include/linux/fs.h:5, from include/linux/tty.h:4, from include/linux/vt_kern.h:11, from drivers/video/console/newport_con.c:18: arch/mips/include/asm/string.h: At top level: >> arch/mips/include/asm/string.h:138:14: error: conflicting types for 'memcpy' extern void *memcpy(void *__to, __const__ void *__from, size_t __n); ^~~~~~ In file included from include/linux/selection.h:11:0, from drivers/video/console/newport_con.c:16: include/linux/vt_buffer.h:47:2: note: previous implicit declaration of 'memcpy' was here memcpy(d, s, count); ^~~~~~ In file included from include/linux/string.h:18:0, from include/linux/bitmap.h:8, from include/linux/cpumask.h:11, from arch/mips/include/asm/processor.h:15, from arch/mips/include/asm/thread_info.h:15, from include/linux/thread_info.h:25, from include/asm-generic/preempt.h:4, from ./arch/mips/include/generated/asm/preempt.h:1, from include/linux/preempt.h:80, from include/linux/spinlock.h:50, from include/linux/wait.h:8, from include/linux/fs.h:5, from include/linux/tty.h:4, from include/linux/vt_kern.h:11, from drivers/video/console/newport_con.c:18: >> arch/mips/include/asm/string.h:141:14: error: conflicting types for 'memmove' extern void *memmove(void *__dest, __const__ void *__src, size_t __n); ^~~~~~~ In file included from include/linux/selection.h:11:0, from drivers/video/console/newport_con.c:16: include/linux/vt_buffer.h:66:2: note: previous implicit declaration of 'memmove' was here memmove(d, s, count); ^~~~~~~ In file included from include/linux/bitmap.h:8:0, from include/linux/cpumask.h:11, from arch/mips/include/asm/processor.h:15, from arch/mips/include/asm/thread_info.h:15, from include/linux/thread_info.h:25, from include/asm-generic/preempt.h:4, from ./arch/mips/include/generated/asm/preempt.h:1, from include/linux/preempt.h:80, from include/linux/spinlock.h:50, from include/linux/wait.h:8, from include/linux/fs.h:5, from include/linux/tty.h:4, from include/linux/vt_kern.h:11, from drivers/video/console/newport_con.c:18: include/linux/string.h:104:14: error: conflicting types for 'memset16' extern void *memset16(uint16_t *, uint16_t, __kernel_size_t); ^~~~~~~~ In file included from include/linux/selection.h:11:0, from drivers/video/console/newport_con.c:16: include/linux/vt_buffer.h:34:2: note: previous implicit declaration of 'memset16' was here memset16(s, c, count / 2); ^~~~~~~~ cc1: some warnings being treated as errors vim +/memset16 +34 include/linux/vt_buffer.h 28 { 29 #ifdef VT_BUF_HAVE_RW 30 count /= 2; 31 while (count--) 32 scr_writew(c, s++); 33 #else > 34 memset16(s, c, count / 2); 35 #endif 36 } 37 #endif 38 39 #ifndef VT_BUF_HAVE_MEMCPYW 40 static inline void scr_memcpyw(u16 *d, const u16 *s, unsigned int count) 41 { 42 #ifdef VT_BUF_HAVE_RW 43 count /= 2; 44 while (count--) 45 scr_writew(scr_readw(s++), d++); 46 #else > 47 memcpy(d, s, count); 48 #endif 49 } 50 #endif 51 52 #ifndef VT_BUF_HAVE_MEMMOVEW 53 static inline void scr_memmovew(u16 *d, const u16 *s, unsigned int count) 54 { 55 #ifdef VT_BUF_HAVE_RW 56 if (d < s) 57 scr_memcpyw(d, s, count); 58 else { 59 count /= 2; 60 d += count; 61 s += count; 62 while (count--) 63 scr_writew(scr_readw(--s), --d); 64 } 65 #else > 66 memmove(d, s, count); 67 #endif 68 } 69 #endif --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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