Thread (6 messages) 6 messages, 3 authors, 2016-07-01

Re: [PATCH 1/1] qlcnic: add wmb() call in transmit data path.

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
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