tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1ae78a14516b9372e4c90a89ac21b259339a3a3a commit: ff17b8df224b98e282ec39a9949a3672fa3dbe93 fsdax: introduce dax_iomap_cow_copy() date: 10 months ago config: s390-randconfig-s041-20230430 (https://download.01.org/0day-ci/archive/20230430/202304300917.nn0VclKO-lkp@xxxxxxxxx/config) compiler: s390-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff17b8df224b98e282ec39a9949a3672fa3dbe93 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ff17b8df224b98e282ec39a9949a3672fa3dbe93 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=s390 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202304300917.nn0VclKO-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) fs/dax.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, include/trace/events/fs_dax.h): include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:10:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:10:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:10:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t include/trace/events/fs_dax.h:153:1: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned long mask @@ got restricted vm_fault_t @@ include/trace/events/fs_dax.h:153:1: sparse: expected unsigned long mask include/trace/events/fs_dax.h:153:1: sparse: got restricted vm_fault_t fs/dax.c:658:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long v @@ got restricted vm_fault_t @@ fs/dax.c:658:39: sparse: expected unsigned long v fs/dax.c:658:39: sparse: got restricted vm_fault_t fs/dax.c:660:39: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long v @@ got restricted vm_fault_t @@ fs/dax.c:660:39: sparse: expected unsigned long v fs/dax.c:660:39: sparse: got restricted vm_fault_t fs/dax.c:664:31: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned long v @@ got restricted vm_fault_t @@ fs/dax.c:664:31: sparse: expected unsigned long v fs/dax.c:664:31: sparse: got restricted vm_fault_t >> fs/dax.c:1087:23: sparse: sparse: Using plain integer as NULL pointer fs/dax.c:1139:41: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [assigned] [usertype] ret @@ fs/dax.c:1139:41: sparse: expected int result fs/dax.c:1139:41: sparse: got restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:1580:46: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [usertype] ret @@ fs/dax.c:1580:46: sparse: expected int result fs/dax.c:1580:46: sparse: got restricted vm_fault_t [usertype] ret fs/dax.c:1596:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted vm_fault_t [assigned] [usertype] ret @@ got unsigned long @@ fs/dax.c:1596:21: sparse: expected restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:1596:21: sparse: got unsigned long fs/dax.c:1637:51: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [assigned] [usertype] ret @@ fs/dax.c:1637:51: sparse: expected int result fs/dax.c:1637:51: sparse: got restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:1815:55: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t @@ fs/dax.c:1815:55: sparse: expected int result fs/dax.c:1815:55: sparse: got restricted vm_fault_t fs/dax.c:1830:58: sparse: sparse: incorrect type in argument 3 (different base types) @@ expected int result @@ got restricted vm_fault_t [assigned] [usertype] ret @@ fs/dax.c:1830:58: sparse: expected int result fs/dax.c:1830:58: sparse: got restricted vm_fault_t [assigned] [usertype] ret fs/dax.c:257:13: sparse: sparse: context imbalance in 'wait_entry_unlocked' - unexpected unlock fs/dax.c:439:49: sparse: sparse: context imbalance in 'dax_lock_page' - different lock contexts for basic block fs/dax.c:506:17: sparse: sparse: context imbalance in 'dax_lock_mapping_entry' - different lock contexts for basic block fs/dax.c:930:9: sparse: sparse: context imbalance in 'dax_writeback_one' - unexpected unlock vim +1087 fs/dax.c 1064 1065 /** 1066 * dax_iomap_cow_copy - Copy the data from source to destination before write 1067 * @pos: address to do copy from. 1068 * @length: size of copy operation. 1069 * @align_size: aligned w.r.t align_size (either PMD_SIZE or PAGE_SIZE) 1070 * @srcmap: iomap srcmap 1071 * @daddr: destination address to copy to. 1072 * 1073 * This can be called from two places. Either during DAX write fault (page 1074 * aligned), to copy the length size data to daddr. Or, while doing normal DAX 1075 * write operation, dax_iomap_actor() might call this to do the copy of either 1076 * start or end unaligned address. In the latter case the rest of the copy of 1077 * aligned ranges is taken care by dax_iomap_actor() itself. 1078 */ 1079 static int dax_iomap_cow_copy(loff_t pos, uint64_t length, size_t align_size, 1080 const struct iomap *srcmap, void *daddr) 1081 { 1082 loff_t head_off = pos & (align_size - 1); 1083 size_t size = ALIGN(head_off + length, align_size); 1084 loff_t end = pos + length; 1085 loff_t pg_end = round_up(end, align_size); 1086 bool copy_all = head_off == 0 && end == pg_end; > 1087 void *saddr = 0; 1088 int ret = 0; 1089 1090 ret = dax_iomap_direct_access(srcmap, pos, size, &saddr, NULL); 1091 if (ret) 1092 return ret; 1093 1094 if (copy_all) { 1095 ret = copy_mc_to_kernel(daddr, saddr, length); 1096 return ret ? -EIO : 0; 1097 } 1098 1099 /* Copy the head part of the range */ 1100 if (head_off) { 1101 ret = copy_mc_to_kernel(daddr, saddr, head_off); 1102 if (ret) 1103 return -EIO; 1104 } 1105 1106 /* Copy the tail part of the range */ 1107 if (end < pg_end) { 1108 loff_t tail_off = head_off + length; 1109 loff_t tail_len = pg_end - end; 1110 1111 ret = copy_mc_to_kernel(daddr + tail_off, saddr + tail_off, 1112 tail_len); 1113 if (ret) 1114 return -EIO; 1115 } 1116 return 0; 1117 } 1118 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
