Commit 1098d658 authored by Eric Huang's avatar Eric Huang Committed by Alex Deucher
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drm/amdkfd: Add heavy-weight TLB flush after unmapping 



It is a part of memory mapping optimization.

Signed-off-by: default avatarEric Huang <jinhuieric.huang@amd.com>
Reviewed-by: default avatarFelix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3543b055

drivers/gpu/drm/amd/amdkfd/kfd_chardev.c

+1 −0
Original line number Diff line number Diff line
@@ -1563,6 +1563,7 @@ static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep, 
			       i, args->n_devices);

			goto unmap_memory_from_gpu_failed;

		}

		kfd_flush_tlb(peer_pdd, TLB_FLUSH_HEAVYWEIGHT);

		args->n_success = i+1;

	}

	kfree(devices_arr);