Il 14/10/2013 16:52, Marc Zyngier ha scritto: > > > Sure. And I imagine this traps back into the kernel to read some > > > register and find out what the endianness of the accessing CPU is? > > > > Not yet. To be exact, it does the below today. But all virtio device > > emulation is 100% guest endianness unaware. This helper is the only > > piece of code where it gets any idea what endianness the guest has. So > > by checking for references to it in the code you know where endianness > > is an issue. And that's only in the config space. > > Only config space? How do you deal with virtio ring descriptors, for > example? They also use guest endianness, but do not use virtio_is_big_endian() (yet?) so Alex missed them. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html