On Sun 2009-08-09 15:22:02, Rafael J. Wysocki wrote: > On Sunday 09 August 2009, Pavel Machek wrote: > > Hi! > > > > > > Also, approaches such as [1] can make use of this > > > > extended infrastructure instead of putting the CPU to an arbitrary > > > > C-state > > > > when it is offlined, thereby providing the system administrator a rope > > > > to hang > > > > himself with should he feel the need to do so. > > > I didn't see the reason why administrator needs to know which state > > > offline cpu > > > should stay. Don't know about powerpc side, but in x86 side, it appears > > > deepest > > > C-state is already preferred. > > > > > > > Agreed, deepest c-state is always best, there's no need to make it > > configurable. > > Unless it doesn't work.
If it does not work, machine will not boot. We already have max_cstate= kernel command line option to work around that... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev