[PATCH v5 01/16] dma-buf: introduce initial file I/O infrastructure

Sidong Yang sidong.yang at furiosa.ai
Sat Aug 8 00:42:27 PDT 2026


On 8/1/26 16:46, Pavel Begunkov wrote:
> +	if (dma_resv_wait_timeout(dmabuf->resv, DMA_RESV_USAGE_KERNEL,
> +				  true, 0) < 0) {
> +		dma_resv_unlock(dmabuf->resv);
> +		goto retry;
> +	}

Shouldn't this be <= 0? With a zero timeout dma_resv_wait_timeout()
returns 0 for a still pending fence; only -ERESTARTSYS is negative.

Thanks,
Sidong



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