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Re: [Xen-devel] [PATCH v5 04/11] x86/physdev: enable PHYSDEVOP_pci_mmcfg_reserved for PVH Dom0



On Tue, Sep 05, 2017 at 08:57:54AM -0600, Jan Beulich wrote:
> >>> On 14.08.17 at 16:28, <roger.pau@xxxxxxxxxx> wrote:
> > --- a/xen/arch/x86/physdev.c
> > +++ b/xen/arch/x86/physdev.c
> > @@ -559,6 +559,15 @@ ret_t do_physdev_op(int cmd, 
> > XEN_GUEST_HANDLE_PARAM(void) arg)
> >  
> >          ret = pci_mmcfg_reserved(info.address, info.segment,
> >                                   info.start_bus, info.end_bus, info.flags);
> > +        if ( ret || !is_hvm_domain(currd) )
> > +            break;
> 
> Don't you also want to check has_vpci() here?

I don't think the also is needed here, just checking for has_vpci
should be fine (PV guests will not have the vpci flag set in any
case).

Thanks, Roger.

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