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authorIngo Molnar <mingo@kernel.org>2017-08-21 09:45:19 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-21 09:45:19 +0200
commit94edf6f3c20c9c8ee301bde04150a91bab4bf32c (patch)
tree4a2af658258cf42fde24c1224e44c3e6a18c2792 /include/trace
parentd5da6457bfadf64ff78f1816ae8329dbbba19513 (diff)
parent656e7c0c0a2e8d899f87fd7f081ea7a711146604 (diff)
Merge branch 'for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu into core/rcu
Pull RCU updates from Paul E. McKenney: - Removal of spin_unlock_wait() - SRCU updates - Torture-test updates - Documentation updates - Miscellaneous fixes - CPU-hotplug fixes - Miscellaneous non-RCU fixes Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/rcu.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 91dc089d65b7..e91ae1f2290d 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -703,6 +703,7 @@ TRACE_EVENT(rcu_batch_end,
* at the beginning and end of the read, respectively. Note that the
* callback address can be NULL.
*/
+#define RCUTORTURENAME_LEN 8
TRACE_EVENT(rcu_torture_read,
TP_PROTO(const char *rcutorturename, struct rcu_head *rhp,
@@ -711,7 +712,7 @@ TRACE_EVENT(rcu_torture_read,
TP_ARGS(rcutorturename, rhp, secs, c_old, c),
TP_STRUCT__entry(
- __field(const char *, rcutorturename)
+ __field(char, rcutorturename[RCUTORTURENAME_LEN])
__field(struct rcu_head *, rhp)
__field(unsigned long, secs)
__field(unsigned long, c_old)
@@ -719,7 +720,9 @@ TRACE_EVENT(rcu_torture_read,
),
TP_fast_assign(
- __entry->rcutorturename = rcutorturename;
+ strncpy(__entry->rcutorturename, rcutorturename,
+ RCUTORTURENAME_LEN);
+ __entry->rcutorturename[RCUTORTURENAME_LEN - 1] = 0;
__entry->rhp = rhp;
__entry->secs = secs;
__entry->c_old = c_old;