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Date:	Fri, 17 Feb 2006 13:35:12 +0100
From:	Jes Sorensen <jes@sgi.com>
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To:	"Maciej W. Rozycki" <macro@linux-mips.org>
CC:	Ralf Baechle <ralf@linux-mips.org>,
	Martin Michlmayr <tbm@cyrius.com>, linux-mips@linux-mips.org
Subject: Re: Please pull drivers/scsi/dec_esp.c from Linus' git
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Maciej W. Rozycki wrote:
> On Fri, 17 Feb 2006, Jes Sorensen wrote:
> 
> 
>>Just make mmiowb() strong enough on those platforms. There's really no
>>reason to introduce yet another variation at this point.
> 
> 
>  It's just horribly slow and an overkill if it's only ordering of 
> consecutive writes rather than ordering of a read after a write that has 
> to be guaranteed.  But perhaps we could keep abusing wmb() for the 
> former...

Depends on where it's happening. If it's the CPU doing it before it hits
the bus then wmb() would probably be ok.

Jes