Re: [PATCH] virtio-spec: Define virtio-mmio registers as LE

From: Rusty Russell
Date: Thu Feb 14 2013 - 23:03:06 EST


Pawel Moll <pawel.moll@xxxxxxx> writes:
> To solve the never-ending confusions between hosts and guests
> of different endianess, define all virtio-mmio registers as LE.
>
> This change should be safe at this stage, because no known
> working mixed-endian system exists so there is virtually no
> risk of breaking compatibility.
>
> Signed-off-by: Pawel Moll <pawel.moll@xxxxxxx>

Applied. We could also move device configuration space to LE, if we
wanted. It's a bigger change to the Linux implementation, since we now
need accessors for each width, but it might be a good idea. OTOH,
getting such a change into qemu might be harder...

Cheers,
Rusty.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/