tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 7800ca95d0ed11b492962dc3abc2181c9d5f7f82 commit: 670e71ded7495930883f17a604b1f3ad90bf1d2f [11802/12015] Merge remote-tracking branch 'amdgpu/drm-next' config: x86_64-randconfig-a001-20210906 (attached as .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=670e71ded7495930883f17a604b1f3ad90bf1d2f 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 670e71ded7495930883f17a604b1f3ad90bf1d2f # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c: In function 'kfd_ioctl_alloc_memory_of_gpu': >> drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c:1254:25: error: unused variable 'svms' [-Werror=unused-variable] 1254 | struct svm_range_list *svms = &p->svms; | ^~~~ cc1: all warnings being treated as errors vim +/svms +1254 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1246 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1247 static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep, 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1248 struct kfd_process *p, void *data) 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1249 { 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1250 struct kfd_ioctl_alloc_memory_of_gpu_args *args = data; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1251 struct kfd_process_device *pdd; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1252 void *mem; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1253 struct kfd_dev *dev; 4a4e5b957c8f91 Alex Sierra 2021-06-07 @1254 struct svm_range_list *svms = &p->svms; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1255 int idr_handle; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1256 long err; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1257 uint64_t offset = args->mmap_offset; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1258 uint32_t flags = args->flags; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1259 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1260 if (args->size == 0) 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1261 return -EINVAL; 5ec7e02854b3b9 Felix Kuehling 2018-03-15 1262 :::::: The code at line 1254 was first introduced by commit :::::: 4a4e5b957c8f9132989df0fa8a864f47688159f1 drm/amdkfd: avoid conflicting address mappings :::::: TO: Alex Sierra :::::: CC: Alex Deucher --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org