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Date: Thu, 18 Sep 2014 23:55:07 +1000
From: Alexey Kardashevskiy <aik@ozlabs.ru>
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Subject: Re: [Qemu-devel] [PATCH 0/2] vfio: Another try to fix ROM BAR
	endianness
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To: Alex Williamson <alex.williamson@redhat.com>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>, Alexander Graf <agraf@suse.de>

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.


-- 
Alexey