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authorIngo Molnar <mingo@elte.hu>2007-10-15 17:00:01 +0200
committerIngo Molnar <mingo@elte.hu>2007-10-15 17:00:01 +0200
commit44142fac3446d08c08c5d717ec11d50a737e8640 (patch)
tree2d1a97a5512e869416b90b32f4e79b11cdd6acf6 /kernel
parent23fd50450a34f2558070ceabb0bfebc1c9604af5 (diff)
sched: fix sysctl_sched_child_runs_first flag
fix the sched_child_runs_first flag: always call into ->task_new() if we are on the same CPU, as SCHED_OTHER tasks depend on it for correct initial setup. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Mike Galbraith <efault@gmx.de> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 6c10fa796ca..2054e557d0d 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1688,10 +1688,8 @@ void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
else
p->sched_class = &fair_sched_class;
- if (!p->sched_class->task_new || !sysctl_sched_child_runs_first ||
- (clone_flags & CLONE_VM) || task_cpu(p) != this_cpu ||
- !current->se.on_rq) {
-
+ if (task_cpu(p) != this_cpu || !p->sched_class->task_new ||
+ !current->se.on_rq) {
activate_task(rq, p, 0);
} else {
/*