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[Xen-devel] [PATCH] avoid gp fault vmexits

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Subject: [Xen-devel] [PATCH] avoid gp fault vmexits
From: "Kamble, Nitin A" <nitin.a.kamble@xxxxxxxxx>
Date: Fri, 5 May 2006 19:01:46 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>
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Thread-topic: [PATCH] avoid gp fault vmexits

Hi Keir, Ian,

    The current Xen code for VMX is setting the gp fault vmexiting in the EXCEPTION_BITMAP vmcs control. There is no need for that as VMM is just plainly re-injecting back to the guest. The attached is a simple patch to set the vmcs control properly.


Signed-Off-By: Nitin A Kamble <nitin.a.kamble@xxxxxxxxx>

Signed-Off-By: Jun Nakajima <jun.nakajima@xxxxxxxxx>


Thanks & Regards,



Open Source Technology Center, Intel Corp


Attachment: avoid_gpfault_vmexit.patch
Description: avoid_gpfault_vmexit.patch

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