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From: Dario Faggioli <dario.faggioli@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: Keir Fraser <keir@xen.org>,
	wei.huang2@amd.com, Tim Deegan <tim@xen.org>,
	xen-devel <xen-devel@lists.xen.org>,
	weiwang.dd@gmail.com, xiantao.zhang@intel.com
Subject: Re: [PATCH, v2] IOMMU: don't immediately disable bus mastering on faults
Date: Thu, 8 Nov 2012 19:07:44 +0100	[thread overview]
Message-ID: <1352398064.2774.2.camel@Abyss> (raw)
In-Reply-To: <509A94F002000078000A702A@nat28.tlf.novell.com>


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On Wed, 2012-11-07 at 16:05 +0000, Jan Beulich wrote: 
> Instead, give the owning domain at least a small opportunity of fixing
> things up, and allow for rare faults to not bring down the device at
> all. The amount of faults tolerated within a given time period (all
> numbers are made up with no specific rationale) is higher for Dom0 than
> for DomU-s.
> 
> Signed-off-by: Jan Beulich <jbeulich@suse.com>
> 
(For what it's worth)

Acked-by: Dario Faggioli <dario.faggioli@citrix.com>

I don't really have a strong opinion about Dom0 and Xen needing special
treatment or not, so the above applies to whatever solution you decide
to go for. :-)

Thanks and Regards,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://retis.sssup.it/people/faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)



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  parent reply	other threads:[~2012-11-08 18:07 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-11-05 16:53 [PATCH] IOMMU: don't disable bus mastering on faults for devices used by Xen or Dom0 Jan Beulich
2012-11-05 17:15 ` Keir Fraser
2012-11-06  9:08   ` Jan Beulich
2012-11-06  9:44     ` Tim Deegan
2012-11-06 10:19       ` Jan Beulich
2012-11-06 12:08         ` Dario Faggioli
2012-11-06 12:38           ` Jan Beulich
2012-11-06 12:06       ` Dario Faggioli
2012-11-06 12:51         ` Jan Beulich
2012-11-06 13:58           ` Tim Deegan
2012-11-06 14:16             ` Dario Faggioli
2012-11-06 14:17             ` Jan Beulich
2012-11-06 14:29               ` Dario Faggioli
2012-11-08 12:42                 ` Tim Deegan
2012-11-06 14:24           ` Dario Faggioli
2012-11-07 16:05       ` [PATCH, v2] IOMMU: don't immediately disable bus mastering on faults Jan Beulich
2012-11-08 12:46         ` Tim Deegan
2012-11-08 13:46           ` Jan Beulich
2012-11-08 14:23             ` Tim Deegan
2012-11-08 18:07         ` Dario Faggioli [this message]
2012-11-30  9:42 ` [PATCH] IOMMU: don't disable bus mastering on faults for devices used by Xen or Dom0 Keir Fraser
2012-11-30  9:50   ` Jan Beulich
2012-12-03  6:08     ` Zhang, Xiantao
2012-12-03  7:36       ` Jan Beulich
2012-12-04  0:55         ` Zhang, Xiantao
2012-12-04  8:19           ` Jan Beulich

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