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[Xen-devel] How to modify GUEST_RIP in xen 4.0.1?

To: xen-devel@xxxxxxxxxxxxxxxxxxx
From: "K.C. Lee" <kcl.joseph@xxxxxxxxx>
Date: Tue, 14 Dec 2010 00:38:21 +0800
Delivery-date: Mon, 13 Dec 2010 08:39:15 -0800
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List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi,

I want to change the guest's RIP.

The story is that I change GUEST_SYSENTER_EIP in vmx_vmexit_handler() in order to catch a page_fault and do something in sh_page_fault().
But I need to change GUEST_RIP back after something is done.

I change GUEST_RIP in sh_page_fault(),
but it doesn't work.

What should I do?

Thanks,

K.C.

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