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authorDave Jiang2016-01-08 09:51:05 -0700
committerJon Mason2016-01-11 10:01:27 -0500
commit8c874cc140d667f84ae4642bb5b5e0d6396d2ca4 (patch)
treeb162c9510698f9a293424232aaa958b4b8353088 /drivers/ntb/test
parent703872c2c53b57ac14563e64c2df086ef57690f9 (diff)
NTB: Address out of DMA descriptor issue with NTB
The transport right now does not handle the case where we run out of DMA descriptors. We just fail when we do not succeed. Adding code to retry for a bit attempting to use the DMA engine instead of instantly fail to CPU copy. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/ntb/test')
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