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Re: [Xen-devel] [PATCH] VT-d/ATS: misc fixes

To: Jan Beulich <JBeulich@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] VT-d/ATS: misc fixes
From: Joanna Rutkowska <joanna@xxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 18 Jan 2011 22:19:48 +0100
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On 01/18/11 12:32, Jan Beulich wrote:
> First of all there were three places potentially de-referencing NULL
> (two after an allocation failure, and one after a failed lookup).
> Second, if ATS_ENABLE was already set, the device would not have got
> added to the ats_devices list, potentially resulting in
> dev_invalidate_iotlb() doing an incomplete job.
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>


Please excuse the slightly off-topic question, but I'm very curious to
know where one can find ATS-enabled hardware? Is it the new Sandy Bridge
platforms that support ATS, or is it some developers hardware (i.e. not
available for mere mortals)?


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