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Re: [Xen-devel] [PATCH] vmx: correct EIP value of task-state segment

To: Kouya Shimura <kouya@xxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] vmx: correct EIP value of task-state segment
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Fri, 31 Jul 2009 11:17:32 +0100
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On 31/07/2009 10:34, "Kouya Shimura" <kouya@xxxxxxxxxxxxxx> wrote:

>> The reference manuals are sketchy enough you may need to test out some task
>> switches on SVM and VMX hardware to make sure you make patches that really
>> do the right thing.
> Sorry, I don't have much time to test this.
> But the OS works fine with this patch. (of course, the OS is for native)
> I confirmed Windows(XP,2008Server) never use a task switch.

They do on blue screen I believe. OTOH I suppose they don't come back from
it. I'll have to queue this up for testing myself.

Is the "int 2" in that popular proprietary OS "BS2000" perchance? ;-)

 -- Keir

> So I think it's worth to get in the tree.

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