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RE: [Xen-devel] [PATCH][VMX] a small clean to vmx_world_restore


  • To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Li, Xin B" <xin.b.li@xxxxxxxxx>
  • Date: Sat, 13 Oct 2007 18:49:45 +0800
  • Delivery-date: Sat, 13 Oct 2007 03:50:30 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcgNfqFRSPZ6n/dbRgWjVrQ0bynVxQACBJIHAAAUspA=
  • Thread-topic: [Xen-devel] [PATCH][VMX] a small clean to vmx_world_restore

If guest exits real mode, in vmx_world_restore, c->cr0 is equal to
guest_cr0.
-Xin 

>I think it's correct as is and changing it in this way could break it.
>Whether a reference is acquired depends on new CR0.PG. Whether 
>a reference
>is dropped depends on old CR0.PG. Which is how the code 
>currently works.
>
> -- Keir
>
>On 13/10/07 10:51, "Li, Xin B" <xin.b.li@xxxxxxxxx> wrote:
>
>> a small clean to vmx_world_restore.
>> Signed-off-by: Xin Li <xin.b.li@xxxxxxxxx>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>

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