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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>
This commit is contained in:
Juri Lelli 2014-02-11 09:24:26 +01:00 committed by Thomas Gleixner
parent 4df1638cfa
commit e9e7cb38c2
1 changed files with 2 additions and 1 deletions
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3
kernel/sched/core.c
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@ -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;