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Re: [Xen-devel] debuggers and hap_gva_to_gfn() in guest_walk.c

To: <mukesh.rathor@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] debuggers and hap_gva_to_gfn() in guest_walk.c
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Wed, 05 Nov 2008 21:56:37 +0000
Cc: Tim Deegan <tim.deegan@xxxxxxxxxxxxx>
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Thread-topic: [Xen-devel] debuggers and hap_gva_to_gfn() in guest_walk.c
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This looks like a bug in hap_gva_to_gfn(). It should probably be using
gfn_to_mfn() rather than gfn_to_mfn_current(). Tim, can you confirm?

 -- Keir

On 5/11/08 21:44, "Mukesh Rathor" <mukesh.rathor@xxxxxxxxxx> wrote:

> 
> Debugger/s would like to keep it's #ifdefs in xen minimal. Following would
> help...
> 
> hap_gva_to_gfn():
> 
> 
> +   if (v== current)
>         mfn = mfn_x(gfn_to_mfn_current(gpfn, &p2mt));
> +   else
> +      mfn = mfn_x(gfn_to_mfn_foreign(v->domain, gpfn, &p2mt));
> 
> 
> Thanks,
> Mukesh
> 
> 
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