Acked-by: Alex Deucher <[email protected]> ________________________________ From: amd-gfx <[email protected]> on behalf of Christian König <[email protected]> Sent: Thursday, October 25, 2018 10:38 AM To: [email protected] Subject: [PATCH] drm/amdgpu: fix VM leaf walking
Make sure we don't try to go down further after the leave walk already ended. This fixes a crash with a new VM test. Signed-off-by: Christian König <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index db0cbf8d219d..352b30409060 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -542,7 +542,8 @@ static void amdgpu_vm_pt_next_leaf(struct amdgpu_device *adev, struct amdgpu_vm_pt_cursor *cursor) { amdgpu_vm_pt_next(adev, cursor); - while (amdgpu_vm_pt_descendant(adev, cursor)); + if (cursor->pfn != ~0ll) + while (amdgpu_vm_pt_descendant(adev, cursor)); } /** -- 2.17.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
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