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authorPeter Zijlstra <peterz@infradead.org>2016-09-20 22:34:51 +0200
committerIngo Molnar <mingo@kernel.org>2016-09-30 11:03:29 +0200
commit9148a3a10e0b74c5722174a0bbef16d821f8a48b (patch)
tree7852c5c88abeccb66167da1c4dc4da8e4633be67 /kernel/sched/sched.h
parent49bd21efe7fc84f9c82c8475b8ff6f8b865b1692 (diff)
downloadop-kernel-dev-9148a3a10e0b74c5722174a0bbef16d821f8a48b.zip
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sched/debug: Add SCHED_WARN_ON()
Provide SCHED_WARN_ON as wrapper for WARN_ON_ONCE() to avoid CONFIG_SCHED_DEBUG wrappery. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/sched.h')
-rw-r--r--kernel/sched/sched.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index fc6ae04..5489d07 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -15,6 +15,12 @@
#include "cpudeadline.h"
#include "cpuacct.h"
+#ifdef CONFIG_SCHED_DEBUG
+#define SCHED_WARN_ON(x) WARN_ONCE(x, #x)
+#else
+#define SCHED_WARN_ON(x) ((void)(x))
+#endif
+
struct rq;
struct cpuidle_state;
@@ -1309,7 +1315,7 @@ static inline void idle_set_state(struct rq *rq,
static inline struct cpuidle_state *idle_get_state(struct rq *rq)
{
- WARN_ON(!rcu_read_lock_held());
+ SCHED_WARN_ON(!rcu_read_lock_held());
return rq->idle_state;
}
#else
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