From: Benjamin Thiel <b.thiel@posteo.de>
Date: Thu, 9 Jan 2020 13:13:51 +0000 (+0100)
Subject: kernel/events: Add a missing prototype for arch_perf_update_userpage()
X-Git-Tag: v5.6-rc1~8^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f1ec3a517b4352e78dbef6b1e591f43202ecb3fe;p=thirdparty%2Flinux.git

kernel/events: Add a missing prototype for arch_perf_update_userpage()

... in order to fix a -Wmissing-prototype warning.

No functional changes.

Signed-off-by: Benjamin Thiel <b.thiel@posteo.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lkml.kernel.org/r/20200109131351.9468-1-b.thiel@posteo.de
---

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 6d4c22aee3848..52928e089bc7f 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1544,4 +1544,8 @@ int perf_event_exit_cpu(unsigned int cpu);
 #define perf_event_exit_cpu	NULL
 #endif
 
+extern void __weak arch_perf_update_userpage(struct perf_event *event,
+					     struct perf_event_mmap_page *userpg,
+					     u64 now);
+
 #endif /* _LINUX_PERF_EVENT_H */