Re: [Qemu-devel] [PATCH 1/7] virtio: allow byte swapping for vring and config access

[Daniel P. Berrange]

On Thu, Aug 08, 2013 at 10:40:28AM -0500, Anthony Liguori wrote:
> Andreas Färber <address@hidden> 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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