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Re: [Xen-devel] [RFC][PATCH] Emulate instructions in vm86 mode

To: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] [RFC][PATCH] Emulate instructions in vm86 mode
From: Bastian Blank <bastian@xxxxxxxxxxxx>
Date: Sat, 9 Sep 2006 00:04:09 +0200
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On Fri, Sep 08, 2006 at 11:28:25PM +0200, Bastian Blank wrote:
> On Fri, Sep 08, 2006 at 10:11:11PM +0100, Keir Fraser wrote:
> > That is only on the 'failsafe' stackframe path. It is okay to write zero
> > values there because we already wrote the real values lower down on the
> > stack frame (at labels FLT7 to FLT10). In fact you probably shouldn't end up
> > taking the 'failsafe' path anyway, so the code you remove wouldn't normally
> > be executed at all unless something in the guest is buggy.
> 
> Yep, saw that. So I have to recheck that.

It works correctly with the patch but not without. Can't say why.

Bastian

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