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[Xen-devel] why xen use x86_emulation() in page_fault
| To: | xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] why xen use x86_emulation() in page_fault |
| From: | cc Luit <universalbillow@xxxxxxxxx> |
| Date: | Tue, 11 Oct 2011 09:39:17 +0800 |
| Delivery-date: | Mon, 10 Oct 2011 18:40:40 -0700 |
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Hi, everyone, I have a question,
in the shadow_page_fault or ept mechanism, xen will use the x86_emulation for some instructions, I'm wondering why it must use it, if after we fix the SPT or EPT table, just VMEntry to HVM to re-excute this instruction but not emulate in xen, is there some problems?
can sb. tell me why?
thanks:)
-- - Luit @ Parallel Processing Institute, Fudan University _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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