From: Jes Sorensen <jes@sgi.com>
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
Date: Fri, 17 Feb 2006 13:35:12 +0100 [thread overview]
Message-ID: <43F5C300.10108@sgi.com> (raw)
In-Reply-To: <Pine.LNX.4.64N.0602171039320.7169@blysk.ds.pg.gda.pl>
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
next prev parent reply other threads:[~2006-02-17 12:32 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-13 22:53 Please pull drivers/scsi/dec_esp.c from Linus' git Martin Michlmayr
2006-02-15 15:08 ` Ralf Baechle
2006-02-16 10:17 ` Maciej W. Rozycki
2006-02-16 14:59 ` Ralf Baechle
2006-02-16 15:48 ` Maciej W. Rozycki
2006-02-17 9:12 ` Jes Sorensen
2006-02-17 10:45 ` Maciej W. Rozycki
2006-02-17 12:35 ` Jes Sorensen [this message]
2006-02-17 12:51 ` Maciej W. Rozycki
2006-02-17 15:17 ` Jes Sorensen
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