Hi Huacai, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.13 next-20170908] [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/Huacai-Chen/mm-dmapool-Align-to-ARCH_DMA_MINALIGN-in-non-coherent-DMA-mode/20170909-230504 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-randconfig-x000-201736 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All error/warnings (new ones prefixed by >>): In file included from include/linux/linkage.h:4:0, from include/linux/fs.h:4, from include/linux/highmem.h:4, from include/linux/bio.h:21, from drivers/scsi/scsi_lib.c:11: drivers/scsi/scsi_lib.c: In function '__scsi_init_queue': >> drivers/scsi/scsi_lib.c:2139:6: error: implicit declaration of function 'plat_device_is_coherent' [-Werror=implicit-function-declaration] if (plat_device_is_coherent(dev)) ^ include/linux/compiler.h:156:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> drivers/scsi/scsi_lib.c:2139:2: note: in expansion of macro 'if' if (plat_device_is_coherent(dev)) ^~ drivers/scsi/scsi_lib.c: At top level: include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:451:2: note: in expansion of macro 'if' if (dest_len > count) { ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:449:2: note: in expansion of macro 'if' if (dest_size < dest_len) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:446:8: note: in expansion of macro 'if' else if (src_size < dest_len && src_size < count) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:444:3: note: in expansion of macro 'if' if (dest_size < dest_len && dest_size < count) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memcpy_and_pad' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:443:2: note: in expansion of macro 'if' if (__builtin_constant_p(dest_len) && __builtin_constant_p(count)) { ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'strcpy' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:421:2: note: in expansion of macro 'if' if (p_size == (size_t)-1 && q_size == (size_t)-1) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:411:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'kmemdup' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:409:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:400:2: note: in expansion of macro 'if' if (p_size < size) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr_inv' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:398:2: note: in expansion of macro 'if' if (__builtin_constant_p(size) && p_size < size) ^~ include/linux/compiler.h:162:4: warning: '______f' is static but declared in inline function 'memchr' which is not static ______f = { \ ^ include/linux/compiler.h:154:23: note: in expansion of macro '__trace_if' #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) ) ^~~~~~~~~~ include/linux/string.h:389:2: note: in expansion of macro 'if' vim +/plat_device_is_coherent +2139 drivers/scsi/scsi_lib.c 2103 2104 void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q) 2105 { 2106 struct device *dev = shost->dma_dev; 2107 2108 queue_flag_set_unlocked(QUEUE_FLAG_SCSI_PASSTHROUGH, q); 2109 2110 /* 2111 * this limit is imposed by hardware restrictions 2112 */ 2113 blk_queue_max_segments(q, min_t(unsigned short, shost->sg_tablesize, 2114 SG_MAX_SEGMENTS)); 2115 2116 if (scsi_host_prot_dma(shost)) { 2117 shost->sg_prot_tablesize = 2118 min_not_zero(shost->sg_prot_tablesize, 2119 (unsigned short)SCSI_MAX_PROT_SG_SEGMENTS); 2120 BUG_ON(shost->sg_prot_tablesize < shost->sg_tablesize); 2121 blk_queue_max_integrity_segments(q, shost->sg_prot_tablesize); 2122 } 2123 2124 blk_queue_max_hw_sectors(q, shost->max_sectors); 2125 blk_queue_bounce_limit(q, scsi_calculate_bounce_limit(shost)); 2126 blk_queue_segment_boundary(q, shost->dma_boundary); 2127 dma_set_seg_boundary(dev, shost->dma_boundary); 2128 2129 blk_queue_max_segment_size(q, dma_get_max_seg_size(dev)); 2130 2131 if (!shost->use_clustering) 2132 q->limits.cluster = 0; 2133 2134 /* 2135 * set a reasonable default alignment on word/cacheline boundaries: 2136 * the host and device may alter it using 2137 * blk_queue_update_dma_alignment() later. 2138 */ > 2139 if (plat_device_is_coherent(dev)) 2140 blk_queue_dma_alignment(q, 0x04 - 1); 2141 else 2142 blk_queue_dma_alignment(q, dma_get_cache_alignment() - 1); 2143 } 2144 EXPORT_SYMBOL_GPL(__scsi_init_queue); 2145 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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