Re: [Xen-devel] [RFC][PATCH]mini-os: big-endian mini-os on ia64

[Dietmar Hahn <dietmar.hahn@xxxxxxxxxxxxxxxxxxx>]

Sorry, this should only go to 
Grzegorz Milos <gm281@xxxxxxxxx>
Thanks.

Dietmar.

Am Donnerstag, 15. März 2007 11:55 schrieb Dietmar Hahn:
> Hi Gregor,
>
> Am Donnerstag, 1. März 2007 23:08 schrieb Grzegorz Milos:
> > One solution to the rotting problem would be write regression tests.
> > High level tests (like for example netfront test) would be quite good at
> > picking missing SWAPs, since they exercise a fair amount of Xen/Dom0
> > interfaces. Still it's quite hard to check the coverage (anybody happens
> > to be an expert on coverage testing?).
> >
> > I too dislike scattering SWAPs all over the code, but I guess having a
> > nice set of wrappers would at least confine the problem. Still ... not
> > that fond of it.
> >
> > Cheers
> > Gregor
>
> I send this as a private mail to you.
> First thanks for opening a possible door to the SWAP stuff.
> I don't full understand your rotting problem.
> With recent binutils (see
> http://sources.redhat.com/ml/binutils/2004-07/msg00110.html) everybody on
> ia64 hardware can build big-endian images on a little-endian linux machine.
> Only some special make flags in mini-os/arch/ia64/arch.mk (and the SWAPs)
> are needed to build a big-endian mini-os on ia64-linux. So a running
> big-endian mini-os on xen-ia64 is already a regression test itself I think.
> So the most currently used interfaces are checked with a running mini-os.
> Maybe for some more interface regression tests are possible/needed.
> What do you think? Where is my mistake in thinking about this?
> Thanks.
>
> Dietmar
>
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