Re: [Xen-devel] code question xen/arch/x86/vmx.c

[Jerone Young <jyoung5@xxxxxxxxxx>]

On Thu, 2005-08-11 at 22:47 +0100, Keir Fraser wrote:
> On 11 Aug 2005, at 22:48, Jerone Young wrote:
> 
> > In function vmx_dr_access in xen/arch/x86/vmx.c there is a long pointer
> > named "reg_p". reg_p is assigned to
> >
> > v->arch.guest_context.debugreg[reg] = *reg_p;
> >
> > in the switch case  TYPE_MOV_TO_DR.
> >
> > yet it has no assignment before this? What is the intent of reg_p?
> >
> > It also is assigned in the switch case TYPE_MOVE_FROM_DR...yet it's not
> > used for anything ?
> 
> It's assigned to in the macro CASE_GET_REG_P.

doh! it's sitting right above the function :-)
> 
>   -- Keir
> 
> 
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-- 
Jerone Young
IBM Linux Technology Center
jyoung5@xxxxxxxxxx
512-838-1157 (T/L: 678-1157)


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