Messages in this thread | | | Date | Mon, 20 Jan 2020 16:31:25 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] kernel/events: Add a missing prototype for arch_perf_update_userpage() |
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On Thu, Jan 09, 2020 at 02:13:51PM +0100, Benjamin Thiel wrote: > ... in order to fix a -Wmissing-prototype warning. > > No functional changes. > > Signed-off-by: Benjamin Thiel <b.thiel@posteo.de> > --- > include/linux/perf_event.h | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h > index 6d4c22aee384..de3874271814 100644 > --- a/include/linux/perf_event.h > +++ b/include/linux/perf_event.h > @@ -1544,4 +1544,7 @@ int perf_event_exit_cpu(unsigned int cpu); > #define perf_event_exit_cpu NULL > #endif > > +void __weak arch_perf_update_userpage( > + struct perf_event *event, struct perf_event_mmap_page *userpg, u64 now); > +
Indeed so, I've slightly changed to:
+extern void __weak arch_perf_update_userpage(struct perf_event *event, + struct perf_event_mmap_page *userpg, + u64 now);
Thanks!
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