From f1ec3a517b4352e78dbef6b1e591f43202ecb3fe Mon Sep 17 00:00:00 2001 From: Benjamin Thiel Date: Thu, 9 Jan 2020 14:13:51 +0100 Subject: 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 Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://lkml.kernel.org/r/20200109131351.9468-1-b.thiel@posteo.de --- include/linux/perf_event.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 6d4c22aee384..52928e089bc7 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 */ -- cgit v1.2.3