diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index e5a5ba869eb4..a21cf84b882c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1190,6 +1190,9 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( return -EINVAL; } + if (!down_read_trylock(&adev->reset_sem)) + return -EIO; + *mem = kzalloc(sizeof(struct kgd_mem), GFP_KERNEL); if (!*mem) { ret = -ENOMEM; @@ -1256,6 +1259,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( if (offset) *offset = amdgpu_bo_mmap_offset(bo); + up_read(&adev->reset_sem); return 0; allocate_init_user_pages_failed: @@ -1273,6 +1277,9 @@ err: sg_free_table(sg); kfree(sg); } + + up_read(&adev->reset_sem); + return ret; } |