From: Suzuki K Poulose <suzuki.poulose@arm.com>
Date: Tue, 2 Jan 2018 11:25:26 +0000 (+0000)
Subject: perf: Export perf_event_update_userpage
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=82975c46da8275a2a212cd94049bbef9bb961da2;p=openwrt%2Fstaging%2Fblogic.git

perf: Export perf_event_update_userpage

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

Acked-by: Peter Zilstra <peterz@infradead.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 4df5b695bf0d..64ec2c9d2c44 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -4904,6 +4904,7 @@ 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)
 {