Hi Iouri, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v5.16 next-20220113] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Iouri-Tarassov/drivers-hv-dxgkrnl-Driver-overview/20220113-035836 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git e3084ed48fd6b661fe434da0cb36d7d6706cf27f config: arm64-randconfig-r032-20220113 (https://download.01.org/0day-ci/archive/20220113/202201131642.1nercfCr-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d1021978b8e7e35dcc30201ca1731d64b5a602a8) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu # https://github.com/0day-ci/linux/commit/a2aa8c606c48a4e6bf8a7a51e2e4e5738e35da32 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Iouri-Tarassov/drivers-hv-dxgkrnl-Driver-overview/20220113-035836 git checkout a2aa8c606c48a4e6bf8a7a51e2e4e5738e35da32 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/hv/dxgkrnl/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from drivers/hv/dxgkrnl/ioctl.c:21: drivers/hv/dxgkrnl/dxgvmbus.h:867:26: warning: implicit conversion from enumeration type 'enum dxgkvmb_commandtype' to different enumeration type 'enum dxgkvmb_commandtype_global' [-Wenum-conversion] command->command_type = DXGK_VMBCOMMAND_INVALID; ~ ^~~~~~~~~~~~~~~~~~~~~~~ >> drivers/hv/dxgkrnl/ioctl.c:1245:5: warning: no previous prototype for function 'validate_alloc' [-Wmissing-prototypes] int validate_alloc(struct dxgallocation *alloc0, ^ drivers/hv/dxgkrnl/ioctl.c:1245:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int validate_alloc(struct dxgallocation *alloc0, ^ static 2 warnings generated. -- In file included from drivers/hv/dxgkrnl/dxgvmbus.c:23: drivers/hv/dxgkrnl/dxgvmbus.h:867:26: warning: implicit conversion from enumeration type 'enum dxgkvmb_commandtype' to different enumeration type 'enum dxgkvmb_commandtype_global' [-Wenum-conversion] command->command_type = DXGK_VMBCOMMAND_INVALID; ~ ^~~~~~~~~~~~~~~~~~~~~~~ drivers/hv/dxgkrnl/dxgvmbus.c:151:5: warning: no previous prototype for function 'ntstatus2int' [-Wmissing-prototypes] int ntstatus2int(struct ntstatus status) ^ drivers/hv/dxgkrnl/dxgvmbus.c:151:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int ntstatus2int(struct ntstatus status) ^ static drivers/hv/dxgkrnl/dxgvmbus.c:254:6: warning: no previous prototype for function 'process_inband_packet' [-Wmissing-prototypes] void process_inband_packet(struct dxgvmbuschannel *channel, ^ drivers/hv/dxgkrnl/dxgvmbus.c:254:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void process_inband_packet(struct dxgvmbuschannel *channel, ^ static drivers/hv/dxgkrnl/dxgvmbus.c:272:6: warning: no previous prototype for function 'process_completion_packet' [-Wmissing-prototypes] void process_completion_packet(struct dxgvmbuschannel *channel, ^ drivers/hv/dxgkrnl/dxgvmbus.c:272:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void process_completion_packet(struct dxgvmbuschannel *channel, ^ static drivers/hv/dxgkrnl/dxgvmbus.c:398:5: warning: no previous prototype for function 'dxgvmb_send_async_msg' [-Wmissing-prototypes] int dxgvmb_send_async_msg(struct dxgvmbuschannel *channel, ^ drivers/hv/dxgkrnl/dxgvmbus.c:398:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int dxgvmb_send_async_msg(struct dxgvmbuschannel *channel, ^ static >> drivers/hv/dxgkrnl/dxgvmbus.c:909:5: warning: no previous prototype for function 'create_existing_sysmem' [-Wmissing-prototypes] int create_existing_sysmem(struct dxgdevice *device, ^ drivers/hv/dxgkrnl/dxgvmbus.c:909:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int create_existing_sysmem(struct dxgdevice *device, ^ static drivers/hv/dxgkrnl/dxgvmbus.c:234:20: warning: unused function 'command_vm_to_host_init0' [-Wunused-function] static inline void command_vm_to_host_init0(struct dxgkvmb_command_vm_to_host ^ 7 warnings generated. vim +/validate_alloc +1245 drivers/hv/dxgkrnl/ioctl.c 1244 > 1245 int validate_alloc(struct dxgallocation *alloc0, 1246 struct dxgallocation *alloc, 1247 struct dxgdevice *device, 1248 struct d3dkmthandle alloc_handle) 1249 { 1250 u32 fail_reason; 1251 1252 if (alloc == NULL) { 1253 fail_reason = 1; 1254 goto cleanup; 1255 } 1256 if (alloc->resource_owner != alloc0->resource_owner) { 1257 fail_reason = 2; 1258 goto cleanup; 1259 } 1260 if (alloc->resource_owner) { 1261 if (alloc->owner.resource != alloc0->owner.resource) { 1262 fail_reason = 3; 1263 goto cleanup; 1264 } 1265 if (alloc->owner.resource->device != device) { 1266 fail_reason = 4; 1267 goto cleanup; 1268 } 1269 if (alloc->owner.resource->shared_owner) { 1270 fail_reason = 5; 1271 goto cleanup; 1272 } 1273 } else { 1274 if (alloc->owner.device != device) { 1275 fail_reason = 6; 1276 goto cleanup; 1277 } 1278 } 1279 return 0; 1280 cleanup: 1281 pr_err("Alloc validation failed: reason: %d %x", 1282 fail_reason, alloc_handle.v); 1283 return -EINVAL; 1284 } 1285 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
