netdev - Re: [PATCH net-next-2.6] pcnet32: Remove pointless memory barriers

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Message-Id: <20090429.171936.91197184.davem@davemloft.net>
Date:	Wed, 29 Apr 2009 17:19:36 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	pcnet32@...izon.net
Cc:	john.dykstra1@...il.com, netdev@...r.kernel.org,
	romieu@...zoreil.com
Subject: Re: [PATCH net-next-2.6] pcnet32: Remove pointless memory barriers

From: Don Fry <pcnet32@...izon.net>
Date: Wed, 29 Apr 2009 17:09:48 -0700

> After going back to my original NAPI changes, email exchanges today with
> Francois and John, and looking through all the architecture
> implementation of mmiowb and locking; I agree that this mmiowb is
> unnecessary since a lock is always released which has all the memory
> barriers needed.  I no longer have access to all the equipment I had
> available at IBM, but it was tested a extensively on Intel and Power
> platforms without the mmiowb.
> 
> Acked-by:  Don Fry <pcnet32@...izon.net>

Looks good to me too, I'll apply this to net-next-2.6

Thanks
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