On Mon, 18 Aug 2008, Mathieu Desnoyers wrote: > > > > > > > > > > Argh. See text_poke(). It's there exactly for this purpose on x86. > > > > Ouch, I just did. text_poke is quite heavy. It would be interesting to see > > that performed on 20,000 locations at one time. I could play with it, but > > I'm a bit nervous. > > > > It's alread used to modify the LOCK prefixes in alternative.c and did > not seem to be too slow for that.. it should therefore be ok.
There's a lot more functions than locks ;-) Anyway, this is only needed after system boot up. But then we do it ever time we start or stop tracing. I'll try it out and see if it is noticable. -- Steve _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev