Messages in this thread Patch in this message | | | Date | Fri, 21 Feb 2014 12:31:52 -0800 | From | tip-bot for Juri Lelli <> | Subject | [tip:sched/urgent] sched/core: Fix sched_rt_global_validate |
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Commit-ID: e9e7cb38c21c80c82af4b16608bb4c8c5ec6a28e Gitweb: http://git.kernel.org/tip/e9e7cb38c21c80c82af4b16608bb4c8c5ec6a28e Author: Juri Lelli <juri.lelli@gmail.com> AuthorDate: Tue, 11 Feb 2014 09:24:26 +0100 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Fri, 21 Feb 2014 21:27:10 +0100
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> --- kernel/sched/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 2491448..98d33c1 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;
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