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authorChristian König <christian.koenig@amd.com>2019-12-04 13:29:49 +0100
committerAlex Deucher <alexander.deucher@amd.com>2019-12-09 17:02:26 -0500
commitb4ff0f8a85f3c523942e57b716e8722e7f6799cc (patch)
treecc5be8d2b48a5aec50e0fc4813e26b3429da88b2 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
parent90b69cdc5f159be09d799257661e119a26ea4233 (diff)
drm/amdgpu: add VM eviction lock v3
This allows to invalidate VM entries without taking the reservation lock. v3: use -EBUSY Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 6c2124b10820..7e0eb36da27d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -239,6 +239,10 @@ struct amdgpu_vm {
/* tree of virtual addresses mapped */
struct rb_root_cached va;
+ /* Lock to prevent eviction while we are updating page tables */
+ struct mutex eviction_lock;
+ bool evicting;
+
/* BOs who needs a validation */
struct list_head evicted;