Hi Jason, I love your patch! Perhaps something to improve: [auto build test WARNING on vhost/linux-next] [also build test WARNING on linux/master linus/master v5.5-rc6 next-20200117] [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/Jason-Wang/vDPA-support/20200117-170243 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next config: sh-randconfig-a001-20200117 (attached as .config) compiler: sh4-linux-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=sh If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/vhost/vringh.c: In function 'copy_from_iotlb': >> drivers/vhost/vringh.c:1110:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ret = iotlb_translate(vrh, (u64)src, len, iov, 16, VHOST_MAP_RO); ^ drivers/vhost/vringh.c: In function 'copy_to_iotlb': drivers/vhost/vringh.c:1128:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ret = iotlb_translate(vrh, (u64)dst, len, iov, 16, VHOST_MAP_WO); ^ drivers/vhost/vringh.c: In function 'getu16_iotlb': drivers/vhost/vringh.c:1145:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ret = iotlb_translate(vrh, (u64)p, sizeof(*p), ^ drivers/vhost/vringh.c: In function 'putu16_iotlb': drivers/vhost/vringh.c:1166:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] ret = iotlb_translate(vrh, (u64)p, sizeof(*p), ^ vim +1110 drivers/vhost/vringh.c 1102 1103 static inline int copy_from_iotlb(const struct vringh *vrh, void *dst, 1104 void *src, size_t len) 1105 { 1106 struct iov_iter iter; 1107 struct bio_vec iov[16]; 1108 int ret; 1109 > 1110 ret = iotlb_translate(vrh, (u64)src, len, iov, 16, VHOST_MAP_RO); 1111 if (ret < 0) 1112 return ret; 1113 1114 iov_iter_bvec(&iter, READ, iov, ret, len); 1115 1116 ret = copy_from_iter(dst, len, &iter); 1117 1118 return ret; 1119 } 1120 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel Corporation
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