Messages in this thread | | | From | "Sosnowski, Maciej" <> | Date | Mon, 14 Sep 2009 16:00:52 +0100 | Subject | RE: [PATCH 22/29] net_dma: poll for a descriptor after allocation failure |
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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 <dan.j.williams@intel.com> > ---
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
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