Re: [PATCH V2 0/5] Huge pages for short descriptors on ARM

Will Deacon
2014-04-24T10:47:26Z

On Thu, Apr 24, 2014 at 11:42:32AM +0100, Russell King - ARM Linux wrote:
> On Thu, Apr 24, 2014 at 11:36:39AM +0100, Will Deacon wrote:
> > I guess I'm after some commitment that this is (a) useful to somebody and
> > (b) going to be tested regularly, otherwise it will go the way of things
> > like big-endian, where we end up carrying around code which is broken more
> > often than not (although big-endian is more self-contained).
>
> It may be something worth considering adding to my nightly builder/boot
> testing, but I suspect that's impractical as it probably requires a BE
> userspace, which would then mean that the platform can't boot LE.
>
> I suspect that we will just have to rely on BE users staying around and
> reporting problems when they occur.

Indeed. Marc and I have BE guests running under kvmtool on an LE host, so
that's what I've been using (then a BE busybox can sit in the host
filesystem and be passed via something like 9pfs).

Will