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From: Dan Malek <dan@embeddededge.com>
To: David Gibson <david@gibson.dropbear.id.au>
Cc: linuxppc-embedded@lists.linuxppc.org
Subject: Re: Workaround for USB DMA bugs
Date: Thu, 04 Apr 2002 01:08:41 -0500	[thread overview]
Message-ID: <3CABEDE9.5020404@embeddededge.com> (raw)
In-Reply-To: 20020404052349.GN21034@zax


David Gibson wrote:

> Possibly a better approach would be to make the consistent_sync()
> function be more careful and flush rather than invalidate cachelines

That's basically what this patch does, with the overhead of always
writing instead of just invalidating.  We just went the whole circle
here, as this isn't a logically correct solution :-).


	-- Dan


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2002-04-04  6:08 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-04-03  2:43 Workaround for USB DMA bugs David Gibson
2002-04-03  8:17 ` Armin
2002-04-03 17:39   ` Frank Rowand
2002-04-03 17:49   ` Dan Malek
2002-04-03 20:43     ` David Blythe
2002-04-03 23:34       ` David Gibson
2002-04-03  9:45 ` "David Müller (ELSOFT AG)"
2002-04-03 23:35   ` David Gibson
2002-04-03 17:42 ` Dan Malek
2002-04-03 23:40   ` David Gibson
2002-04-04  2:54     ` Dan Malek
2002-04-04  3:48       ` David Gibson
2002-04-04  4:09         ` Dan Malek
2002-04-04  5:23           ` David Gibson
2002-04-04  6:08             ` Dan Malek [this message]
2002-04-04  6:30               ` David Gibson
2002-04-04 20:21                 ` David Blythe
2002-04-04 12:35       ` Brad Parker
2002-04-04 14:12         ` Dan Malek
  -- strict thread matches above, loose matches on Subject: below --
2002-04-04  4:19 Jeremy Rosen
2002-04-04  6:16 ` Dan Malek
2002-04-04  6:32   ` David Gibson
2002-04-04  6:40 Rosen Jeremy
2002-04-04  6:52 ` David Gibson

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