[PATCH] powerpc: oprofile support for POWER6

Sonny Rao sonny at burdell.org
Sat Jun 10 05:03:30 EST 2006


On Thu, Jun 08, 2006 at 02:29:01PM +1000, Michael Neuling wrote:
> > >  	/*
> > > -	 * SIHV / SIPR bits are only implemented on POWER4+ (GQ) and above.
> > > -	 * However we disable it on all POWER4 until we verify it works
> > > -	 * (I was seeing some strange behaviour last time I tried).
> > > -	 *
> > > -	 * It has been verified to work on POWER5 so we enable it there.
> > > -	 */
> > 
> > The patched code doesn't handle GQ at all.  Is this on purpose?  Add a
> > similar comment to the CPU feature tables perhaps?
> 
> Yeah, those bits are bust on POWER4+.  We didn't touch them previously
> and we still don't with this patch.
> 
> You're right, we should keep that comment. I'll update and retransmit.

I'm pretty sure SIHV is busted on GQ for sure

Sonny



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