From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Subject: Re: [PATCH 0/4] HVM Virtual S3
Date: Fri, 18 May 2007 07:43:54 +0100
Message-ID: <C27309BA.794E%Keir.Fraser@cl.cam.ac.uk>
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To: "Tian, Kevin" <kevin.tian@intel.com>, "Yu, Ke" <ke.yu@intel.com>, xen-devel@lists.xensource.com
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On 18/5/07 03:38, "Tian, Kevin" <kevin.tian@intel.com> wrote:

> I doubt whether this will bring some tricky issues if Qemu happens
> to inject some event after Xen's reset but before Qemu's reset. If
> that event results a stale pending interrupt after Xen resets vPIC or
> vIOAPIC, will that result a spurious interrupt after HVM is resumed?
> By current style, Qemu first reset all virtual devices and thus stop
> interrupt sources. Then it's safe to let Xen do a full reset subsequently.
> 
> Also normally the reason to put Qemu logic into Xen is for performance. For
> virtual S3 interception, it doesn't matter since only resume time is
> the concern.
> 
> Just doubt whether it's worthy of such split anyway. :-)

Okay, let's rename this s3_suspend hypercall to system_reset instead, and
leave it that.

 -- Keir