sched: default to n for GROUP_SCHED and FAIR_GROUP_SCHED
GROUP_SCHED is confirmed to cause unacceptable latencies, see: http://lkml.org/lkml/2008/5/2/370. Mark it EXPERIMENTAL and default to no for now. Signed-off-by: Parag Warudkar <parag.warudkar@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -324,7 +324,8 @@ config HAVE_UNSTABLE_SCHED_CLOCK
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config GROUP_SCHED
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bool "Group CPU scheduler"
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default y
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depends on EXPERIMENTAL
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default n
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help
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This feature lets CPU scheduler recognize task groups and control CPU
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bandwidth allocation to such task groups.
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@ -332,7 +333,7 @@ config GROUP_SCHED
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config FAIR_GROUP_SCHED
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bool "Group scheduling for SCHED_OTHER"
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depends on GROUP_SCHED
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default y
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default GROUP_SCHED
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config RT_GROUP_SCHED
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bool "Group scheduling for SCHED_RR/FIFO"
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