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authorIngo Molnar <mingo@elte.hu>2008-10-20 14:27:43 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-20 14:27:43 +0200
commit0c4b83da58ec2e96ce9c44c211d6eac5f9dae478 (patch)
tree2bd2cfee12c1758fb1a27482b4178f86d538f904 /kernel/sched.c
parentsched: revert back to per-rq vruntime (diff)
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sched: disable the hrtick for now
David Miller reported that hrtick update overhead has tripled the wakeup overhead on Sparc64. That is too much - disable the HRTICK feature for now by default, until a faster implementation is found. Reported-by: David Miller <davem@davemloft.net> Acked-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
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