netdev - Re: [PATCH 1/4] bnx2x: use smp_mb() to keep ordering of read write operations

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Message-ID: <1268236784.30985.0.camel@lb-tlvb-eilong.il.broadcom.com>
Date:	Wed, 10 Mar 2010 17:59:44 +0200
From:	"Eilon Greenstein" <eilong@...adcom.com>
To:	"Stanislaw Gruszka" <sgruszka@...hat.com>
cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Vladislav Zolotarov" <vladz@...adcom.com>,
	"Michael Chan" <mchan@...adcom.com>
Subject: Re: [PATCH 1/4] bnx2x: use smp_mb() to keep ordering of read
 write operations

On Tue, 2010-03-09 at 08:55 -0800, Stanislaw Gruszka wrote:
> Since we want to keep ordering of write to fp->bd_tx_cons and
> netif_tx_queue_stopped(txq), what is read of txq->state, we have to use
> general memory barrier.
> 
> Signed-off-by: Stanislaw Gruszka <sgruszka@...hat.com>
Singed-of-by: Eilon Greenstein <eilong@...adcom.com>


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