Re: [PATCH 1/1] qlcnic: add wmb() call in transmit data path.
From: Lino Sanfilippo <hidden>
Date: 2016-06-30 15:41:53
From: Lino Sanfilippo <hidden>
Date: 2016-06-30 15:41:53
On 30.06.2016 17:32, Lino Sanfilippo wrote:
Hi, On 29.06.2016 23:51, Sony Chacko wrote:quoted
+ /* Ensure writes are complete before HW fetches Tx descriptors */ + wmb(); qlcnic_update_cmd_producer(tx_ring); return NETDEV_TX_OK;Would not an mmiowb be more appropriate in this case? Regards, Lino
Sorry, this was nonsense. This should be "dma_wmb" not "mmiowb". Regards, Lino