netdev - Re: [RFC PATCH net-next 1/3] ixgbe: support netdev_ops->ndo_xmit

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Message-Id: <20140824.225551.720302228613030489.davem@davemloft.net>
Date:	Sun, 24 Aug 2014 22:55:51 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	dborkman@...hat.com
Cc:	netdev@...r.kernel.org
Subject: Re: [RFC PATCH net-next 1/3] ixgbe: support
 netdev_ops->ndo_xmit_flush()

From: Daniel Borkmann <dborkman@...hat.com>
Date: Sun, 24 Aug 2014 15:42:16 +0200

> +	/* we need this if more than one processor can write to our tail
> +	 * at a time, it synchronizes IO on IA64/Altix systems
> +	 */
> +	mmiowb();

Unlike for IGB, this doesn't exist in the IXGBE driver, please do not add
it.
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