From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca,
josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de,
peterz@infradead.org, rostedt@goodmis.org,
Valdis.Kletnieks@vt.edu, dhowells@redhat.com,
edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com,
sbw@mit.edu, patches@linaro.org,
"Paul E. McKenney" <paul.mckenney@linaro.org>
Subject: [PATCH tip/core/rcu 1/3] tracing: Export trace_clock_local()
Date: Sat, 5 Jan 2013 09:04:17 -0800 [thread overview]
Message-ID: <1357405459-13675-1-git-send-email-paulmck@linux.vnet.ibm.com> (raw)
In-Reply-To: <20130105170356.GA13534@linux.vnet.ibm.com>
From: "Paul E. McKenney" <paul.mckenney@linaro.org>
The rcutorture tests need to be able to trace the time of the
beginning of an RCU read-side critical section, and thus need access
to trace_clock_local(). This commit therefore adds a the needed
EXPORT_SYMBOL_GPL().
Signed-off-by: Paul E. McKenney <paul.mckenney@linaro.org>
---
kernel/trace/trace_clock.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
index 3947835..1bbb1b2 100644
--- a/kernel/trace/trace_clock.c
+++ b/kernel/trace/trace_clock.c
@@ -44,6 +44,7 @@ u64 notrace trace_clock_local(void)
return clock;
}
+EXPORT_SYMBOL_GPL(trace_clock_local);
/*
* trace_clock(): 'between' trace clock. Not completely serialized,
--
1.7.8
next prev parent reply other threads:[~2013-01-05 17:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-05 17:03 [PATCH tip/core/rcu 0/3] Documentation and rcutorture changes for 3.9 Paul E. McKenney
2013-01-05 17:04 ` Paul E. McKenney [this message]
2013-01-05 17:04 ` [PATCH tip/core/rcu 2/3] rcu: Reduce rcutorture tracing Paul E. McKenney
2013-01-05 17:04 ` [PATCH tip/core/rcu 3/3] Documentation: Memory barrier semantics of atomic_xchg() Paul E. McKenney
2013-01-07 16:02 ` [PATCH tip/core/rcu 0/3] Documentation and rcutorture changes for 3.9 Josh Triplett
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