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RE: [Xen-devel] [patch 2/2] Preserve correct PIC vectors across Xenvmxas

To: "Stephen C. Tweedie" <sct@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] [patch 2/2] Preserve correct PIC vectors across Xenvmxassist 16/32-bit transitions
From: "Li, Xin B" <xin.b.li@xxxxxxxxx>
Date: Thu, 7 Jun 2007 00:33:35 +0800
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Thread-index: AceciA/cQldfqgKNTrqF9f27exDVaQLz1Nhg
Thread-topic: [Xen-devel] [patch 2/2] Preserve correct PIC vectors across Xenvmxassist 16/32-bit transitions
>This code teaches vmxassist:
>
>1) to remember how the guest has set up the virtual PIC interrupt
>vectors; and
>2) to reprogram the vPIC to point to the true guest vector 
>when entering
>32-bit mode, and to point back to the vmxassist bounce-irq traps when
>reentering 16-bit mode.
>

In Dec 2006, I created a patch to fix this issue, and may be better.
I didn't send it out just because some other critical issue in
VMXassist, hopefully the emulation way will be done soon.
thanks
-Xin 

Attachment: gfxboot_vmxassist_fix.patch
Description: gfxboot_vmxassist_fix.patch

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