[RFC PATCH v9 4/7] perf: export perf_event_update_userpage()

Jan Glauber
2017-08-29T13:14:15Z

Export perf_event_update_userpage(). This change is needed to allow
building a PMU driver as a kernel module.

Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>

Signed-off-by: Jan Glauber <jglauber@cavium.com>
---
kernel/events/core.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 3504125..639bbf5 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4977,6 +4977,7 @@ 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)
{
--
2.9.0.rc0.21.g7777322