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From: Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] Re: Compile files only once: some planning
Date: Wed, 24 Mar 2010 23:05:42 +0000
References: <f43fc5581003231443x5492dd7eve541fd8104170a60@mail.gmail.com>
	<201003242233.46516.paul@codesourcery.com>
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To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Blue Swirl <blauwirbel@gmail.com>, qemu-devel@nongnu.org, "Michael S. Tsirkin" <mst@redhat.com>

> On 03/24/2010 05:33 PM, Paul Brook wrote:
> >> But now there is a bigger problem, how to pass the property to the
> >> device. It's not fair to require the user to remember to set it.
> >
> > It should not be a property of the device. All devices have a native
> > endianness (for PCI this is little-endian), and the intermediate
> > busses/interconnects should determine whether byteswapping occurs.
> 
> Right, the byte swapping needs to happen at the bus level which requires
> that the PCI regions use a different callback mechanism (and don't
> register directly with the cpu).

Not necessarily a different callback mechanism, but probably a different 
registration mechanism.

Paul