From: "Daniel P. Berrange" <berrange@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: "Peter Maydell" <peter.maydell@linaro.org>,
"Rusty Russell" <rusty@rustcorp.com.au>,
"Andreas Färber" <afaerber@suse.de>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/7] virtio: allow byte swapping for vring and config access
Date: Thu, 8 Aug 2013 16:45:08 +0100 [thread overview]
Message-ID: <20130808154507.GX14664@redhat.com> (raw)
In-Reply-To: <87r4e4p4wj.fsf@codemonkey.ws>
On Thu, Aug 08, 2013 at 10:40:28AM -0500, Anthony Liguori wrote:
> Andreas Färber <afaerber@suse.de> writes:
> >> We have a mechanism to do weak functions via stubs/. I think it would
> >> be better to do cpu_get_byteswap() as a stub function and then overload
> >> it in the ppc64 code.
> >
> > If this as your name indicates is a per-CPU function then it should go
> > into CPUClass. Interesting question is, what is virtio supposed to do if
> > we have two ppc CPUs, one is Big Endian, the other is Little Endian.
>
> PPC64 is big endian. AFAIK, there is no such thing as a little endian
> PPC64 processor.
Unless I'm misunderstanding, this thread seems to suggest otherwise:
"[Qemu-devel] [PATCH 0/5] 64bit PowerPC little endian support"
https://lists.nongnu.org/archive/html/qemu-devel/2013-08/msg00813.html
Daniel
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next prev parent reply other threads:[~2013-08-08 15:45 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-08 5:15 [Qemu-devel] [PATCH 0/7] Virtio support for endian-curious guests Rusty Russell
2013-08-08 5:15 ` [Qemu-devel] [PATCH 1/7] virtio: allow byte swapping for vring and config access Rusty Russell
2013-08-08 13:31 ` Anthony Liguori
2013-08-08 14:28 ` Andreas Färber
2013-08-08 15:40 ` Anthony Liguori
2013-08-08 15:45 ` Daniel P. Berrange [this message]
2013-08-08 16:07 ` Anthony Liguori
2013-08-08 16:14 ` Peter Maydell
2013-08-08 16:25 ` Anthony Liguori
2013-08-08 16:30 ` Peter Maydell
2013-08-09 2:58 ` Rusty Russell
2013-08-09 4:39 ` Anton Blanchard
2013-08-09 8:05 ` Peter Maydell
2013-08-09 14:16 ` Anthony Liguori
2013-08-08 15:48 ` Peter Maydell
2013-08-08 16:11 ` Anthony Liguori
2013-08-08 16:24 ` Andreas Färber
2013-08-09 7:35 ` Rusty Russell
2013-08-09 7:42 ` Peter Maydell
2013-08-12 7:49 ` Rusty Russell
2013-08-09 7:49 ` Benjamin Herrenschmidt
2013-08-12 0:28 ` Rusty Russell
2013-08-12 0:49 ` Benjamin Herrenschmidt
2013-08-09 15:15 ` Andreas Färber
2013-08-09 0:08 ` Rusty Russell
2013-08-09 7:00 ` Rusty Russell
2013-08-09 14:24 ` Andreas Färber
2013-08-09 6:40 ` Rusty Russell
2013-08-09 14:10 ` Anthony Liguori
2013-08-11 23:46 ` Rusty Russell
2013-08-08 5:15 ` [Qemu-devel] [PATCH 2/7] target-ppc: ppc64 targets can be either endian Rusty Russell
2013-08-08 5:15 ` [Qemu-devel] [PATCH 3/7] hw/net/virtio-net: use virtio wrappers to access headers Rusty Russell
2013-08-08 13:32 ` Anthony Liguori
2013-08-08 5:15 ` [Qemu-devel] [PATCH 4/7] hw/net/virtio-balloon: use virtio wrappers to access page frame numbers Rusty Russell
2013-08-08 13:32 ` Anthony Liguori
2013-08-08 5:15 ` [Qemu-devel] [PATCH 5/7] hw/block/virtio-blk: use virtio wrappers to access headers Rusty Russell
2013-08-08 9:57 ` Peter Maydell
2013-08-08 13:32 ` Anthony Liguori
2013-08-08 5:15 ` [Qemu-devel] [PATCH 6/7] hw/scsi/virtio-scsi: " Rusty Russell
2013-08-08 13:33 ` Anthony Liguori
2013-08-08 5:15 ` [Qemu-devel] [PATCH 7/7] hw/char/virtio-serial-bus: " Rusty Russell
2013-08-08 13:34 ` Anthony Liguori
2013-08-08 5:15 ` [Qemu-devel] [PATCH 7/7] patch virtio-serial-biendian.patch Rusty Russell
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