| commit | b82d9fdd848abfbe7263a4ecd9bbb55e575100a6 | [log] [tgz] |
|---|---|---|
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | Fri Nov 09 22:39:39 2007 +0100 |
| committer | Ingo Molnar <mingo@elte.hu> | Fri Nov 09 22:39:39 2007 +0100 |
| tree | 7d4c525cc4bd633c84abcfd8d934c84e5dc9ce7c | |
| parent | 3c90e6e99b08f01d5684a3a07cceae6a543e4fa8 [diff] |
sched: avoid large irq-latencies in smp-balancing SMP balancing is done with IRQs disabled and can iterate the full rq. When rqs are large this can cause large irq-latencies. Limit the nr of iterations on each run. This fixes a scheduling latency regression reported by the -rt folks. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Steven Rostedt <rostedt@goodmis.org> Tested-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>