tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 91265a6da44d13296bdb5b3fbafa19d06be462f2 commit: d58b8a99cbb84c1eb3b3613d23c1a328695a9455 [9920/10468] drm/amdkfd: Add SMI add event helper config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220304/202203040158.VxdsrLv2-lkp@xxxxxxxxx/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=d58b8a99cbb84c1eb3b3613d23c1a328695a9455 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout d58b8a99cbb84c1eb3b3613d23c1a328695a9455 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c: In function 'kfd_smi_event_add': >> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c:192:2: warning: function 'kfd_smi_event_add' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 192 | len += vsnprintf(fifo_in + len, sizeof(fifo_in) - len, fmt, args); | ^~~ vim +192 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_smi_events.c 178 179 static void kfd_smi_event_add(struct kfd_dev *dev, unsigned int event, 180 char *fmt, ...) 181 { 182 char fifo_in[KFD_SMI_EVENT_MSG_SIZE]; 183 int len; 184 va_list args; 185 186 if (list_empty(&dev->smi_clients)) 187 return; 188 189 len = snprintf(fifo_in, sizeof(fifo_in), "%x ", event); 190 191 va_start(args, fmt); > 192 len += vsnprintf(fifo_in + len, sizeof(fifo_in) - len, fmt, args); 193 va_end(args); 194 195 add_event_to_kfifo(dev, event, fifo_in, len); 196 } 197 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
