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authorJuri Lelli <juri.lelli@gmail.com>2014-02-11 09:24:26 +0100
committerThomas Gleixner <tglx@linutronix.de>2014-02-21 21:27:10 +0100
commite9e7cb38c21c80c82af4b16608bb4c8c5ec6a28e (patch)
tree008372d34fb9a1f45f2b177704668c54a71e8c95 /kernel
parent4df1638cfaf9b2b7ad993979a41965acab9cd156 (diff)
downloadlinux-e9e7cb38c21c80c82af4b16608bb4c8c5ec6a28e.tar.gz
sched/core: Fix sched_rt_global_validate
Don't compare sysctl_sched_rt_runtime against sysctl_sched_rt_period if the former is equal to RUNTIME_INF, otherwise disabling -rt bandwidth management (with CONFIG_RT_GROUP_SCHED=n) fails. Cc: Ingo Molnar <mingo@redhat.com> Signed-off-by: Juri Lelli <juri.lelli@gmail.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1392107067-19907-2-git-send-email-juri.lelli@gmail.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/sched/core.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 24914488da4..98d33c10525 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7475,7 +7475,8 @@ static int sched_rt_global_validate(void)
if (sysctl_sched_rt_period <= 0)
return -EINVAL;
- if (sysctl_sched_rt_runtime > sysctl_sched_rt_period)
+ if ((sysctl_sched_rt_runtime != RUNTIME_INF) &&
+ (sysctl_sched_rt_runtime > sysctl_sched_rt_period))
return -EINVAL;
return 0;