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patch/drivers?id=fd263fb6e718c5bdf35cbc1de4f781c71794d2a4'>patch) tree8569adf9d2f8d2ebc2db0fb5cd109127ec08d129 /drivers parentf2f3e210bffe5c8f8b30d0b0c7b0f733ff5db334 (diff)
sunvnet: add memory barrier before check for tx enable
In order to allow the underlying LDC and outstanding memory operations to potentially catch up with the driver's Tx requests, add a memory barrier before checking again for available tx descriptors. Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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