Re: [Xenomai-help] Unexpected switch to secondary mode

[Philippe Gerum <rpm@xenomai.org>]

On Mon, 2007-08-06 at 11:08 +0200, Gilles Chanteperdrix wrote:
> On 8/3/07, Johan Borkhuis <j.borkhuis@domain.hid> wrote:
> > Philippe,
> >
> > (BTW: is this something that should be discussed in the Xenomai group,
> > or would it be better to move this discussion to the Adeos mailing list?)
> >
> > I do have question on this. We already discussed this problem earlier,
> > and I managed to find a very dirty work around for my application: I
> > added a lot of "dummy" functions to my application, which are spread
> > over the whole application. By calling these after the mlockall, but
> > before I switch to RT-mode I manage to eliminate most of the switches.
> 
> Before implementing the nocow patch, I opened /proc/self/maps and
> caused a fault on every writable page, even if ugly, this looks
> simpler than spreading dummy functions over the whole application.
> 
> But I have another question: since the nocow patch is platform
> independent, why not integrating it in the I-pipe patch for power pc ?
> 

It is merged into the latest patches against the powerpc/ tree.

-- 
Philippe.