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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-08-19 12:33:04 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-19 13:10:10 +0200
commit0b148fa04852859972abbf848177b92daeef138a (patch)
tree12d4b0daa8292fe406871b5aa034d7c9b2fae13d /kernel/sched_rt.c
parent6f0d5c390e4206dcb3804a5072a048fdb7d2b428 (diff)
downloadop-kernel-dev-0b148fa04852859972abbf848177b92daeef138a.zip
op-kernel-dev-0b148fa04852859972abbf848177b92daeef138a.tar.gz
sched: rt-bandwidth group disable fixes
More extensive disable of bandwidth control. It allows sysctl_sched_rt_runtime to disable full group bandwidth control. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched_rt.c')
-rw-r--r--kernel/sched_rt.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 77340b0..94daace 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -386,7 +386,7 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun)
int i, idle = 1;
cpumask_t span;
- if (rt_b->rt_runtime == RUNTIME_INF)
+ if (!rt_bandwidth_enabled() || rt_b->rt_runtime == RUNTIME_INF)
return 1;
span = sched_rt_period_mask();
@@ -484,6 +484,9 @@ static void update_curr_rt(struct rq *rq)
curr->se.exec_start = rq->clock;
cpuacct_charge(curr, delta_exec);
+ if (!rt_bandwidth_enabled())
+ return;
+
for_each_sched_rt_entity(rt_se) {
rt_rq = rt_rq_of_se(rt_se);
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