From: David Woodhouse <David.Woodhouse@intel.com>
To: "Williams, Dan J" <dan.j.williams@intel.com>
Cc: Chris Li <lkml@chrisli.org>, linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: BUG in drivers/dma/ioat/dma_v2.c:314
Date: Thu, 01 Jul 2010 07:21:04 +0100 [thread overview]
Message-ID: <1277965264.18854.16.camel@localhost> (raw)
In-Reply-To: <4C2BBACF.3080405@intel.com>
On Wed, 2010-06-30 at 22:44 +0100, Williams, Dan J wrote:
> I don't see a way around this beyond blacklisting this (platform, vt-d
> setting, driver) combination. Is there a quirk infrastructure for this
> sort of problem?
Yeah, kind of. If the IOAT PCI device _always_ has its own IOMMU, we
could have a quirk for it which says it must _never_ be matched by a
catch-all IOMMU. That would probably solve it?
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@intel.com Intel Corporation
next prev parent reply other threads:[~2010-07-01 6:21 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-28 23:50 BUG in drivers/dma/ioat/dma_v2.c:314 Chris Li
2010-06-29 0:45 ` Dan Williams
2010-06-29 7:17 ` Chris Li
2010-06-29 23:20 ` Chris Li
2010-06-29 23:57 ` Dan Williams
2010-06-30 1:07 ` Chris Li
2010-06-30 4:17 ` Dan Williams
2010-06-30 18:26 ` Chris Li
2010-06-30 18:43 ` Chris Li
2010-06-30 18:43 ` David Woodhouse
2010-06-30 19:40 ` Dan Williams
2010-06-30 20:02 ` David Woodhouse
2010-06-30 21:44 ` Dan Williams
2010-06-30 21:59 ` Chris Li
2010-06-30 22:04 ` Dan Williams
2010-07-01 6:21 ` David Woodhouse [this message]
2010-07-01 6:51 ` Dan Williams
2010-07-01 7:12 ` David Woodhouse
2010-07-01 7:26 ` Dan Williams
2010-07-01 8:15 ` David Woodhouse
2010-07-01 17:20 ` Dan Williams
2010-07-01 17:58 ` Chris Li
2010-07-02 19:00 ` Chris Li
2010-07-05 10:16 ` David Woodhouse
2010-07-06 23:40 ` Chris Li
2010-07-07 0:51 ` Dan Williams
2010-07-07 0:51 ` Chris Li
2010-07-07 0:58 ` Dan Williams
2010-07-07 1:03 ` Chris Li
2010-07-07 3:22 ` David Woodhouse
2010-07-07 3:40 ` David Woodhouse
2010-07-07 17:47 ` Dan Williams
2010-07-07 18:07 ` David Woodhouse
2010-07-07 21:56 ` Chris Li
2010-07-09 21:28 ` Dan Williams
2010-07-09 22:00 ` Chris Li
2010-07-10 0:09 ` David Woodhouse
2010-07-15 5:41 ` Dan Williams
2010-07-16 21:29 ` Chris Li
2010-07-16 22:12 ` David Woodhouse
2010-07-16 22:40 ` Chris Li
2010-07-22 1:15 ` Dan Williams
2010-07-22 21:39 ` Chris Li
2010-07-22 22:00 ` Dan Williams
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