netdev - Re: [PATCH] SMSC LAN911x and LAN921x vendor driver

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Message-ID: <OFE56EBEC8.1BEEC22C-ON8025731E.0057D9A8-8025731E.0059FE8A@smsc.com>
Date:	Fri, 20 Jul 2007 17:22:58 +0100
From:	Steve.Glendinning@...c.com
To:	Jeff Garzik <jeff@...zik.org>
Cc:	Bahadir Balban <Bahadir.Balban@....com>,
	Bill Gatliff <bgat@...lgatliff.com>,
	Dustin Mcintire <dustin@...soria.com>, ian.saturley@...c.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH] SMSC LAN911x and LAN921x vendor driver

Hi Jeff,

> Where is the hard_start_xmit/TX-completion locking?

The entire PIO Tx operation is performed within hard_start_xmit, so should 
be covered by netif_tx_lock.

Regards,
--
Steve Glendinning
SMSC GmbH
m: +44 777 933 9124
e: steve.glendinning@...c.com

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