From: Lino Sanfilippo <lsanfil@marvell.com>
To: Sony Chacko <sony.chacko@qlogic.com>, <davem@davemloft.net>
Cc: <netdev@vger.kernel.org>, <Dept_NX_Linux_NIC_Driver@qlogic.com>
Subject: Re: [PATCH 1/1] qlcnic: add wmb() call in transmit data path.
Date: Thu, 30 Jun 2016 17:41:47 +0200 [thread overview]
Message-ID: <57753DBB.9010608@marvell.com> (raw)
In-Reply-To: <57753B8F.9020302@marvell.com>
On 30.06.2016 17:32, Lino Sanfilippo wrote:
> Hi,
>
> On 29.06.2016 23:51, Sony Chacko wrote:
>
>> + /* 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
next prev parent reply other threads:[~2016-06-30 15:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-29 21:51 [PATCH 0/1] qlcnic: add wmb() call in transmit data path Sony Chacko
2016-06-29 21:51 ` [PATCH 1/1] " Sony Chacko
2016-06-30 15:32 ` Lino Sanfilippo
2016-06-30 15:41 ` Lino Sanfilippo [this message]
2016-06-30 18:48 ` Sony Chacko
2016-07-01 9:00 ` David Miller
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