on 18/03/2011 15:56 Kostik Belousov said the following: > On Fri, Mar 18, 2011 at 05:26:53PM +1100, Bruce Evans wrote: > ... >> - set cputicker() has some design bugs. It assumes that the tick frequency >> is the same across all CPUs, but the TSC is per-CPU. I have an old SMP >> system with CPUs of different frequency that can demonstrate bugs from >> this. > We definitely do not support configurations with different models of > CPUs in SMP, this is what Simmetric is about. Different as in frequency > or stepping.
Are there any fundamental reasons for us to not support that configuration in situations where hardware and BIOS (in x86 case) happen to support it? I am personally more interested in non-uniform topologies like one package having two cores and another having four. -- Andriy Gapon _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
