perf auxtrace: Remove auxtrace_mmap__read_snapshot_head()

[linux-2.6-microblaze.git] / tools / perf / util / auxtrace.h

diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 4f91763..d68a5e8 100644 (file)
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -440,16 +440,6 @@ struct auxtrace_cache;
 
 #ifdef HAVE_AUXTRACE_SUPPORT
 
-static inline u64 auxtrace_mmap__read_snapshot_head(struct auxtrace_mmap *mm)
-{
-       struct perf_event_mmap_page *pc = mm->userpg;
-       u64 head = READ_ONCE(pc->aux_head);
-
-       /* Ensure all reads are done after we read the head */
-       smp_rmb();
-       return head;
-}
-
 static inline u64 auxtrace_mmap__read_head(struct auxtrace_mmap *mm)
 {
        struct perf_event_mmap_page *pc = mm->userpg;