Commit-ID: b8989b76052eedc99b09322efd6f68816f191a1a
Gitweb: http://git.kernel.org/tip/b8989b76052eedc99b09322efd6f68816f191a1a
Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
AuthorDate: Wed, 3 May 2017 12:28:59 -0700
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
CommitDate: Thu, 8 Jun 2017 18:52:32 -0700
rcu: Move rcu_ftrace_dump() from rcupdate.h to rcu.h
The rcu_ftrace_dump() function is used only internally to RCU. This
commit therefore moves its declaration from include/linux/rcupdate.h
to kernel/rcu/rcu.h.
Reported-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
include/linux/rcupdate.h | 12 ------------
kernel/rcu/rcu.h | 12 ++++++++++++
2 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 0034274..ad5e693 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -884,18 +884,6 @@ static inline void rcu_sysidle_force_exit(void) { }
/*
- * Dump the ftrace buffer, but only one time per callsite per boot.
- */
-#define rcu_ftrace_dump(oops_dump_mode) \
-do { \
- static atomic_t ___rfd_beenhere = ATOMIC_INIT(0); \
- \
- if (!atomic_read(&___rfd_beenhere) && \
- !atomic_xchg(&___rfd_beenhere, 1)) \
- ftrace_dump(oops_dump_mode); \
-} while (0)
-
-/*
* Place this after a lock-acquisition primitive to guarantee that
* an UNLOCK+LOCK pair acts as a full barrier. This guarantee applies
* if the UNLOCK and LOCK are executed by the same CPU or if the
diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h
index 2f34466..cdbaa44 100644
--- a/kernel/rcu/rcu.h
+++ b/kernel/rcu/rcu.h
@@ -212,6 +212,18 @@ int rcu_jiffies_till_stall_check(void);
*/
#define TPS(x) tracepoint_string(x)
+/*
+ * Dump the ftrace buffer, but only one time per callsite per boot.
+ */
+#define rcu_ftrace_dump(oops_dump_mode) \
+do { \
+ static atomic_t ___rfd_beenhere = ATOMIC_INIT(0); \
+ \
+ if (!atomic_read(&___rfd_beenhere) && \
+ !atomic_xchg(&___rfd_beenhere, 1)) \
+ ftrace_dump(oops_dump_mode); \
+} while (0)
+
void rcu_early_boot_tests(void);
void rcu_test_sync_prims(void);
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|