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

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Message-ID: <57753B8F.9020302@marvell.com>
Date:	Thu, 30 Jun 2016 17:32:31 +0200
From:	Lino Sanfilippo <lsanfil@...vell.com>
To:	Sony Chacko <sony.chacko@...gic.com>, <davem@...emloft.net>
CC:	<netdev@...r.kernel.org>, <Dept_NX_Linux_NIC_Driver@...gic.com>
Subject: Re: [PATCH 1/1] qlcnic: add wmb() call in transmit data path.

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