From: Alexey Kardashevskiy <aik@ozlabs.ru>
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>
Subject: Re: [Qemu-devel] [PATCH 0/2] vfio: Another try to fix ROM BAR endianness
Date: Thu, 18 Sep 2014 23:55:07 +1000 [thread overview]
Message-ID: <541AE43B.5060106@ozlabs.ru> (raw)
In-Reply-To: <54124C99.8040504@ozlabs.ru>
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
next prev parent reply other threads:[~2014-09-18 13:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-09 11:34 [Qemu-devel] [PATCH 0/2] vfio: Another try to fix ROM BAR endianness Alexey Kardashevskiy
2014-09-09 11:34 ` [Qemu-devel] [PATCH 1/2] Revert "vfio: Make BARs native endian" Alexey Kardashevskiy
2014-09-11 12:16 ` [Qemu-devel] [Qemu-ppc] " Greg Kurz
2014-09-09 11:34 ` [Qemu-devel] [PATCH 2/2] vfio: make rom read endian sensitive Alexey Kardashevskiy
2014-09-09 21:19 ` [Qemu-devel] [PATCH 0/2] vfio: Another try to fix ROM BAR endianness Alexander Graf
2014-09-11 21:20 ` Alex Williamson
2014-09-12 1:30 ` Alexey Kardashevskiy
2014-09-18 13:55 ` Alexey Kardashevskiy [this message]
2014-09-18 15:02 ` Alex Williamson
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