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SubjectRe: [RFC] Add Arm cpu topology definition
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?
--
Christian Robottom Reis | [+55] 16 9112 6430 | http://launchpad.net/~kiko
Linaro Engineering VP | [ +1] 612 216 4935 | http://async.com.br/~kiko


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