On 5/18/25 18:26, Yiwei Zhang wrote:
> +#if VIRGL_VERSION_MAJOR >= 1
> +static void virgl_write_context_fence(void *opaque, uint32_t ctx_id,
> + uint32_t ring_idx, uint64_t fence_id) {
> + VirtIOGPU *g = opaque;
> + struct virtio_gpu_ctrl_command *cmd, *tmp;
> +
> + QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) {
> + if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_INFO_RING_IDX &&
What if guest kernel version is very old and doesn't support ring_idx?
Wouldn't this write_context_fence() cb be used by vrend for signalling
fences without ring_idx info?
--
Best regards,
Dmitry
