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kfd_ioctl_get_dmabuf use the amdgpu bo xcp_id to get the gpu_id of the KFD node from the exported dmabuf_adev, and then create kfd bo on the correct adev and KFD node when importing the amdgpu bo to KFD. Remove function kfd_device_by_adev, it is not needed as it is the same result as dmabuf_adev->kfd.dev->nodes[0]->id. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>