Re: [Xen-devel] [PATCH 3/5] xen: create wrappers for all other uses of xc_hvm_XXX() functions

[Anthony PERARD <anthony.perard@xxxxxxxxxx>]

On Wed, Mar 01, 2017 at 04:16:32PM +0000, Paul Durrant wrote:
> > -----Original Message-----
> > From: Anthony PERARD [mailto:anthony.perard@xxxxxxxxxx]
> > Sent: 01 March 2017 16:14
> > To: Paul Durrant <Paul.Durrant@xxxxxxxxxx>
> > Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx; qemu-devel@xxxxxxxxxx; Stefano
> > Stabellini <sstabellini@xxxxxxxxxx>; Paolo Bonzini <pbonzini@xxxxxxxxxx>;
> > Richard Henderson <rth@xxxxxxxxxxx>; Eduardo Habkost
> > <ehabkost@xxxxxxxxxx>; Michael S. Tsirkin <mst@xxxxxxxxxx>
> > Subject: Re: [PATCH 3/5] xen: create wrappers for all other uses of
> > xc_hvm_XXX() functions
> > 
> > On Thu, Feb 23, 2017 at 02:53:53PM +0000, Paul Durrant wrote:
> > > This patch creates inline wrapper functions in xen_common.h for all open
> > > coded calls to xc_hvm_XXX() functions outside of xen_common.h so that
> > use
> > > of xen_xc can be made implicit. This again is in preparation for the move
> > > to using libxendevicemodel.
> > >
> > > Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> > > ---
> > > diff --git a/include/hw/xen/xen_common.h
> > b/include/hw/xen/xen_common.h
> > > index 1e08b98..31cf25f 100644
> > > --- a/include/hw/xen/xen_common.h
> > > +++ b/include/hw/xen/xen_common.h
> > > @@ -26,6 +26,50 @@ extern xc_interface *xen_xc;
> > >   * We don't support Xen prior to 4.2.0.
> > >   */
> > >
> > > +static inline int xen_set_mem_type(domid_t domid, hvmmem_type_t
> > type,
> > > +                                   uint64_t first_pfn, uint32_t nr)
> > > +{
> > 
> > I don't know if it matters from where the functions are called, but
> > here, xc_hvm_set_mem_type takes a "uint64_t nr" (and not uint32_t).
> 
> Yes, the old APIs were wrong and discarded the upper 32 bits, so limiting 
> here is correct. Moving to the new API fixes the issue.

OK, thanks.

In that case:
Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

-- 
Anthony PERARD

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