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sched: Remove short cut from select_task_rq_fair() 

select_task_rq_fair() incorrectly skips the wake_affine()
logic, remove this.

When prev_cpu == this_cpu, the code jumps straight to the
wake_idle() logic, this doesn't give the wake_affine() logic
the chance to pin the task to this cpu.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Peter Zijlstra 2009-09-07 18:12:06 +02:00 committed by Ingo Molnar
parent 840a065310
commit cdd2ab3de4
1 changed files with 0 additions and 2 deletions
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2
kernel/sched_fair.c
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@ -1305,8 +1305,6 @@ static int select_task_rq_fair(struct task_struct *p, int sync)
this_rq = cpu_rq(this_cpu); this_rq = cpu_rq(this_cpu);
new_cpu = prev_cpu; new_cpu = prev_cpu;
if (prev_cpu == this_cpu)
goto out;
/* /*
* 'this_sd' is the first domain that both * 'this_sd' is the first domain that both
* this_cpu and prev_cpu are present in: * this_cpu and prev_cpu are present in: