Re: [Xen-devel] [PATCH 12/17] PVH xen: support invalid op, return PVH features etc...

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 23.04.13 at 23:26, Mukesh Rathor <mukesh.rathor@xxxxxxxxxx> wrote:
> --- a/xen/arch/x86/debug.c
> +++ b/xen/arch/x86/debug.c
> @@ -59,7 +59,9 @@ dbg_hvm_va2mfn(dbgva_t vaddr, struct domain *dp, int toaddr,
>          return INVALID_MFN;
>      }
>  
> -    mfn = mfn_x(get_gfn(dp, *gfn, &gfntype)); 
> +    mfn = mfn_x(get_gfn_query(dp, *gfn, &gfntype));
> +    put_gfn(dp, *gfn);
> +
>      if ( p2m_is_readonly(gfntype) && toaddr )
>      {
>          DBGP2("kdb:p2m_is_readonly: gfntype:%x\n", gfntype);
> @@ -178,9 +180,6 @@ dbg_rw_guest_mem(dbgva_t addr, dbgbyte_t *buf, int len, 
> struct domain *dp,
>          }
>  
>          unmap_domain_page(va);
> -        if ( gfn != INVALID_GFN )
> -            put_gfn(dp, gfn);
> -
>          addr += pagecnt;
>          buf += pagecnt;
>          len -= pagecnt;

How is this change related to PVH? I.e. isn't this a standalone fix/
change?

Jan


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