tree 2bd2cfee12c1758fb1a27482b4178f86d538f904
parent f9c0b0950d5fd8c8c5af39bc061f27ea8fddcac3
author Ingo Molnar <mingo@elte.hu> 1224505663 +0200
committer Ingo Molnar <mingo@elte.hu> 1224505663 +0200

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>