From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:41216)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1XUdE3-0006ao-38
	for qemu-devel@nongnu.org; Thu, 18 Sep 2014 11:02:33 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <alex.williamson@redhat.com>) id 1XUdDw-0002G5-FQ
	for qemu-devel@nongnu.org; Thu, 18 Sep 2014 11:02:27 -0400
Message-ID: <1411052527.1199.60.camel@ul30vt.home>
From: Alex Williamson <alex.williamson@redhat.com>
Date: Thu, 18 Sep 2014 09:02:07 -0600
In-Reply-To: <541AE43B.5060106@ozlabs.ru>
References: <1410262487-24079-1-git-send-email-aik@ozlabs.ru>
	<1410470418.2982.354.camel@ul30vt.home> <54124C99.8040504@ozlabs.ru>
	<541AE43B.5060106@ozlabs.ru>
Content-Type: text/plain; charset="UTF-8"
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Subject: Re: [Qemu-devel] [PATCH 0/2] vfio: Another try to fix ROM BAR
	endianness
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>, Alexander Graf <agraf@suse.de>

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