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Message-ID: <tip-e9e7cb38c21c80c82af4b16608bb4c8c5ec6a28e@git.kernel.org>
Date: Fri, 21 Feb 2014 12:31:52 -0800
From: tip-bot for Juri Lelli <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, mingo@...hat.com, hpa@...or.com,
mingo@...nel.org, peterz@...radead.org, tglx@...utronix.de,
juri.lelli@...il.com
Subject: [tip:sched/urgent] sched/core: Fix sched_rt_global_validate
Commit-ID: e9e7cb38c21c80c82af4b16608bb4c8c5ec6a28e
Gitweb: http://git.kernel.org/tip/e9e7cb38c21c80c82af4b16608bb4c8c5ec6a28e
Author: Juri Lelli <juri.lelli@...il.com>
AuthorDate: Tue, 11 Feb 2014 09:24:26 +0100
Committer: Thomas Gleixner <tglx@...utronix.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@...hat.com>
Signed-off-by: Juri Lelli <juri.lelli@...il.com>
Signed-off-by: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/1392107067-19907-2-git-send-email-juri.lelli@gmail.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.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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