On 16 June 2011 15:24, Christian Robottom Reis <k...@linaro.org> wrote: > On Thu, Jun 16, 2011 at 10:49:13AM +0200, Vincent Guittot wrote: >> @@ -219,6 +219,24 @@ source "kernel/Kconfig.freezer" >> >> menu "System Type" >> >> +config SCHED_MC >> + bool "Multi-core scheduler support" >> + depends on SMP && ARM_CPU_TOPOLOGY >> + default n >> + help >> + Multi-core scheduler support improves the CPU scheduler's decision >> + making when dealing with multi-core CPU chips at a cost of slightly >> + increased overhead in some places. If unsure say N here. >> + >> +config SCHED_SMT >> + bool "SMT scheduler support" >> + depends on SMP && ARM_CPU_TOPOLOGY >> + default n >> + help >> + Improves the CPU scheduler's decision making when dealing with >> + MultiThreading at a cost of slightly increased overhead in some >> + places. If unsure say N here. >> + > > Quick question: the patch doesn't actually seem to use the SCHED_MC and > SCHED_SMT config bits; is that actually correct?
The default config of the patch is to disable sched_mc and sched_smt. The 1st goal is to let each platform enable and test the feature. According to feedback, we could then change the default state of the configuration > -- > Christian Robottom Reis | [+55] 16 9112 6430 | http://launchpad.net/~kiko > Linaro Engineering VP | [ +1] 612 216 4935 | http://async.com.br/~kiko > _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
