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Re: [Xen-devel] hvm_domain_use_pirq() breaks device passthru on xen-4.1

To: <wei.huang2@xxxxxxx>, "Stefano Stabellini" <stefano.stabellini@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] hvm_domain_use_pirq() breaks device passthru on xen-4.1
From: "Jan Beulich" <JBeulich@xxxxxxxxxx>
Date: Mon, 08 Aug 2011 08:36:58 +0100
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>>> On 04.08.11 at 20:44, Wei Huang <wei.huang2@xxxxxxx> wrote:
> Hi Stefano,
> 
> The recent patch you put into xen-4.1-testing.hg broke device passthru 
> on Windows. I bisected the changesets and it turned out to be 23092. The 
> NIC can't get the IP address correctly. Changset 23091 worked fine.

With that I'm not really certain whether I should push the merge fix for
my mis-merge of what became 23573:584c2e5e03d9 and the prior
23550:fb5f0febeddc.

Thoughts?

Jan

> Regarding your patch, do we need to differentiate pv-on-hvm guests from 
> others? The Windows VM I used is unmodified. I think 
> hvm_domain_use_pirq() returned an incorrect answer for such guests.
> 
> Thanks,
> -Wei
> 
> 
> 
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