[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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




> -----Original Message-----
> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
> Sent: Wednesday, August 12, 2015 4:43 PM
> To: Wu, Feng
> Cc: stefano.stabellini@xxxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx;
> qemu-devel@xxxxxxxxxx
> 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, <feng.wu@xxxxxxxxx> wrote:
> 
> >
> >> -----Original Message-----
> >> From: qemu-devel-bounces+feng.wu=intel.com@xxxxxxxxxx
> >> [mailto:qemu-devel-bounces+feng.wu=intel.com@xxxxxxxxxx] On Behalf Of
> >> Jan Beulich
> >> Sent: Wednesday, August 12, 2015 2:59 PM
> >> To: Wu, Feng
> >> Cc: xen-devel@xxxxxxxxxxxxxxxxxxx; qemu-devel@xxxxxxxxxx;
> >> stefano.stabellini@xxxxxxxxxxxxx
> >> 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, <feng.wu@xxxxxxxxx> 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


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel


 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.