[PATCH 1/4] perf: Export perf_event_update_userpage

[Ike Panhc]

From: Suzuki K Poulose <suzuki.poulose at arm.com>

Export perf_event_update_userpage() so that PMU driver using them,
can be built as modules.

Acked-by: Peter Zilstra <peterz at infradead.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose at arm.com>
Signed-off-by: Will Deacon <will.deacon at arm.com>
(cherry picked from commit 82975c46da8275a2a212cd94049bbef9bb961da2)
Signed-off-by: Ike Panhc <ike.pan at canonical.com>
---
 kernel/events/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0041bce2cf99..7eeabaebc225 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4958,6 +4958,7 @@ void perf_event_update_userpage(struct perf_event *event)
 unlock:
 	rcu_read_unlock();
 }
+EXPORT_SYMBOL_GPL(perf_event_update_userpage);
 
 static int perf_mmap_fault(struct vm_fault *vmf)
 {
-- 
2.17.1