Re: [Qemu-devel] [Xen-devel] [PATCH v1] xenpt: Properly handle 64-bit bar with more than 4G size

[Wu, Feng]

> -----Original Message-----
> From: Jan Beulich [mailto:address@hidden
> Sent: Wednesday, August 12, 2015 4:43 PM
> To: Wu, Feng
> Cc: address@hidden; address@hidden;
> address@hidden
> Subject: RE: [Qemu-devel] [Xen-devel] [PATCH v1] xenpt: Properly handle 64-bit
> bar with more than 4G size
> 
> >>> On 12.08.15 at 09:10, <address@hidden> wrote:
> 
> >
> >> -----Original Message-----
> >> From: address@hidden
> >> [mailto:address@hidden On Behalf Of
> >> Jan Beulich
> >> Sent: Wednesday, August 12, 2015 2:59 PM
> >> To: Wu, Feng
> >> Cc: address@hidden; address@hidden;
> >> address@hidden
> >> Subject: Re: [Qemu-devel] [Xen-devel] [PATCH v1] xenpt: Properly handle
> 64-bit
> >> bar with more than 4G size
> >>
> >> >>> On 05.08.15 at 04:02, <address@hidden> wrote:
> >> > @@ -491,8 +474,9 @@ static int
> >> xen_pt_bar_reg_write(XenPCIPassthroughState *s, XenPTReg *cfg_entry,
> >> >          bar_ro_mask = XEN_PT_BAR_IO_RO_MASK | (r_size - 1);
> >> >          break;
> >> >      case XEN_PT_BAR_FLAG_UPPER:
> >> > +        r = &d->io_regions[index-1];
> >>
> >> Perhaps worth an assert(index > 0)?
> >
> > No problem, I will add it. BTW, do you have any other comments about this
> > patch? If no, I am
> > going to send out the new version with this changes.
> 
> No - everything else looks to make sense (but continues to need
> testing).
> 

I don't have such a device in hand. Can anybody who has such a device help to 
test this
patch? It would be highly appreciated!

Thanks,
Feng

> Jan