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SubjectRE: [PATCH 22/29] net_dma: poll for a descriptor after allocation failure
Williams, Dan J wrote:
> Handle descriptor allocation failures by polling for a descriptor. The
> driver will force forward progress when polled. In the best case this
> polling interval will be the time it takes for one dma memcpy
> transaction to complete. In the worst case, channel hang, we will need
> to wait 100ms for the cleanup watchdog to fire (ioatdma driver).
> Signed-off-by: Dan Williams <>
> ---

Signed-off-by: Maciej Sosnowski <>

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