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Message-ID: <20090820131521.GP29327@alberich.amd.com> Date: Thu, 20 Aug 2009 15:15:21 +0200 From: Andreas Herrmann <andreas.herrmann3@....com> To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu> CC: linux-kernel@...r.kernel.org Subject: [PATCH 1/15] x86, sched: Add config option for multi-node CPU scheduling I've decided to add this as a subitem of MC scheduling. I think the normal case will be that a multi-node CPU has more than 1 core on each of its nodes. Thus using MN scheduling without MC scheduling does not make much sense. Signed-off-by: Andreas Herrmann <andreas.herrmann3@....com> --- arch/x86/Kconfig | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 65fb791..594e7bc 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -713,6 +713,16 @@ config SCHED_MC 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_MN + def_bool n + prompt "Multi-node CPU scheduler support" + depends on X86_HT && SCHED_MC + ---help--- + Multi-node CPU scheduler support improves the CPU + scheduler's decision making when dealing with multi-node + CPUs (e.g. AMD Magny-Cours) at a cost of slightly increased + overhead in some places. If unsure say N here. + source "kernel/Kconfig.preempt" config X86_UP_APIC -- 1.6.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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