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: sparc-allyesconfig (attached as .config) compiler: sparc64-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=sparc All error/warnings (new ones prefixed by >>): In file included from include/video/vga.h:22:0, from include/linux/vgaarb.h:34, from drivers/gpu//drm/amd/amdgpu/amdgpu_device.c:35: arch/sparc/include/asm/vga.h: In function 'scr_memsetw': >> arch/sparc/include/asm/vga.h:39:11: error: 's' undeclared (first use in this function) memset16(s, cpu_to_le16(v), n / 2); ^ arch/sparc/include/asm/vga.h:39:11: note: each undeclared identifier is reported only once for each function it appears in -- In file included from include/video/vga.h:22:0, from include/linux/vgaarb.h:34, from drivers/gpu//drm/nouveau/nouveau_vga.c:1: arch/sparc/include/asm/vga.h: In function 'scr_memsetw': >> arch/sparc/include/asm/vga.h:39:2: error: implicit declaration of function 'memset16' [-Werror=implicit-function-declaration] memset16(s, cpu_to_le16(v), n / 2); ^~~~~~~~ >> arch/sparc/include/asm/vga.h:39:11: error: 's' undeclared (first use in this function) memset16(s, cpu_to_le16(v), n / 2); ^ arch/sparc/include/asm/vga.h:39:11: note: each undeclared identifier is reported only once for each function it appears in arch/sparc/include/asm/vga.h: In function 'scr_memcpyw': >> arch/sparc/include/asm/vga.h:46:2: error: implicit declaration of function 'memcpy' [-Werror=implicit-function-declaration] memcpy(d, s, n); ^~~~~~ >> arch/sparc/include/asm/vga.h:46:2: warning: incompatible implicit declaration of built-in function 'memcpy' arch/sparc/include/asm/vga.h:46:2: note: include '<string.h>' or provide a declaration of 'memcpy' arch/sparc/include/asm/vga.h: In function 'scr_memmovew': >> arch/sparc/include/asm/vga.h:53:2: error: implicit declaration of function 'memmove' [-Werror=implicit-function-declaration] memmove(d, s, n); ^~~~~~~ >> arch/sparc/include/asm/vga.h:53:2: warning: incompatible implicit declaration of built-in function 'memmove' arch/sparc/include/asm/vga.h:53:2: note: include '<string.h>' or provide a declaration of 'memmove' In file included from include/uapi/linux/uuid.h:21:0, from include/linux/uuid.h:19, from include/linux/mod_devicetable.h:12, from include/linux/i2c.h:29, from include/uapi/linux/fb.h:5, from include/linux/fb.h:5, from include/linux/vga_switcheroo.h:34, from drivers/gpu//drm/nouveau/nouveau_vga.c:2: include/linux/string.h: At top level: >> 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/video/vga.h:22:0, from include/linux/vgaarb.h:34, from drivers/gpu//drm/nouveau/nouveau_vga.c:1: arch/sparc/include/asm/vga.h:39:2: note: previous implicit declaration of 'memset16' was here memset16(s, cpu_to_le16(v), n / 2); ^~~~~~~~ cc1: some warnings being treated as errors vim +/s +39 arch/sparc/include/asm/vga.h 33 } 34 35 static inline void scr_memsetw(u16 *p, u16 v, unsigned int n) 36 { 37 BUG_ON((long) p >= 0); 38 > 39 memset16(s, cpu_to_le16(v), n / 2); 40 } 41 42 static inline void scr_memcpyw(u16 *d, u16 *s, unsigned int n) 43 { 44 BUG_ON((long) d >= 0); 45 > 46 memcpy(d, s, n); 47 } 48 49 static inline void scr_memmovew(u16 *d, u16 *s, unsigned int n) 50 { 51 BUG_ON((long) d >= 0); 52 > 53 memmove(d, s, n); 54 } 55 56 #define VGA_MAP_MEM(x,s) (x) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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