On 27.04.2015 17:04, Christian König wrote:
From: Christian König christian.koenig@amd.com
If we unmap BOs before releasing them them the intervall tree locks up because we try to remove an entry not inside the tree.
Signed-off-by: Christian König christian.koenig@amd.com CC: stable@vger.kernel.org
Somehow forgot to mention that Michel is the original author of this patch, I just fixed two additional lines which caused list corruption.
Regards, Christian.
drivers/gpu/drm/radeon/radeon_vm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index 2a5a4a9..16d8e95 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -1107,7 +1107,8 @@ void radeon_vm_bo_rmv(struct radeon_device *rdev, list_del(&bo_va->bo_list);
mutex_lock(&vm->mutex);
- interval_tree_remove(&bo_va->it, &vm->va);
- if (bo_va->it.start || bo_va->it.last)
interval_tree_remove(&bo_va->it, &vm->va);