Re: [Qemu-devel] [PATCH 0/2] vfio: Another try to fix ROM BAR endianness

[Alex Williamson <alex.williamson@redhat.com>]

On Thu, 2014-09-18 at 23:55 +1000, Alexey Kardashevskiy wrote:
> On 09/12/2014 11:30 AM, Alexey Kardashevskiy wrote:
> > On 09/12/2014 07:20 AM, Alex Williamson wrote:
> >> On Tue, 2014-09-09 at 21:34 +1000, Alexey Kardashevskiy wrote:
> >>> I did some tests on LE/BE guest/host combinations and came up with
> >>> these 2 patches. Please comment. Thanks.
> >>
> >> Have you tried BE guest/LE host?  
> > 
> > Yes.
> 
> Double checked, LE-BE host-guest work in any combination.
> 
> 
> >> IIRC, the g3beige tcg guest on x86
> >> host used to work with a vfio-pci NIC.  The ROM is of course typically
> >> useless in this mode, but it would be nice to make sure we haven't
> >> broken BAR access for that combination.  Do we have any better BE tcg
> >> targets with PCI support these days?  Thanks,
> > 
> > pseries? PPC64 TCG can do VFIO.
> 
> And checked this too, VFIO works in BE TCG PPC64 guest running on PPC64 LE
> host.

Thanks for the additional testing.  Greg had some comments on patch 1/2,
perhaps you could address them or update the comments.  Thanks,

Alex