On Thu, Jul 02, 2009 at 08:13:13AM +1000, Benjamin Herrenschmidt wrote: >On Tue, 2009-06-30 at 05:55 -0700, Felix Radensky wrote: >> Hi, >> >> Preemption is disabled on the vast majority of powerpc >> targets. Are there any known problems in this area ? >> I'd like to enable CONFIG_PREEMPT_VOLUNTARY on >> AMCC 405EX target, to increase application responsiveness. >> Is it a bad idea ? > >In theory it should work, but as you may have noticed, it's generally >disabled and thus not very well tested. > >It would be a good idea for us, some of the core devs, to turn that on >in our usual test configs in fact.
I've toyed with that idea myself. I keep coming back to the fact that you need a workload that would really leverage it, and I don't have one at the moment. josh _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev