Re: [Xen-devel] arch_set_info_guest() and cr1

[Mukesh Rathor <mukesh.rathor@xxxxxxxxxx>]

Ah I see it, during save/restore, it is used. 
Well, I'm trying to keep the option of using PV paging with hybrid, so 
I may need to honor that. But that's phase 2.

thanks,
Mukesh

On Fri, 12 Aug 2011 07:16:39 +0100
Keir Fraser <keir.xen@xxxxxxxxx> wrote:

> We stash the user-space CR3 value there (PV x86_64 guests have two
> CR3s). Of course you should need only the guest kernel CR3.
> 
>  K.
> 
> On 12/08/2011 03:03, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:
> 
> > Hi,
> > 
> > Just wondering under what circumstances will cr1 be set in this
> > function?
> > 
> > int arch_set_info_guest(
> >     struct vcpu *v, vcpu_guest_context_u c)
> > {
> > .....
> > 
> > #ifdef __x86_64__
> >         if ( c.nat->ctrlreg[1] )           <------
> >         {
> > .....
> > 
> > 
> > 
> > thanks,
> > Mukesh
> > 
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> 


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