From: Christian König <[email protected]> [ Upstream commit 48afbd70ac7b6aa62e8d452091023941d8085f8a ]
Otherwise it is possible that we will have page table corruption if we change a BOs address multiple times. Signed-off-by: Christian König <[email protected]> CC: [email protected] Signed-off-by: Alex Deucher <[email protected]> Signed-off-by: Sasha Levin <[email protected]> --- drivers/gpu/drm/radeon/radeon_vm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index b0c4958..190eb5be 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -513,6 +513,8 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev, tmp->addr = bo_va->addr; tmp->bo = radeon_bo_ref(bo_va->bo); list_add(&tmp->vm_status, &vm->freed); + + bo_va->addr = 0; } interval_tree_remove(&bo_va->it, &vm->va); -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
