perf: Remove pointless union that wraps the hw breakpoint fields

It stands to anonymize a structure, but structures can already
anonymize by themselves.

Reported-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: "K. Prasad" <prasad@linux.vnet.ibm.com>

1 files changed, 6 insertions, 8 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index a61e4de3448b..53230e99e9ea 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -215,14 +215,12 @@ struct perf_event_attr {
                 __u32           wakeup_watermark; /* bytes before wakeup   */
         };
 
-        union {
-                struct { /* Hardware breakpoint info */
-                        __u64           bp_addr;
-                        __u32           bp_type;
-                        __u32           bp_len;
-                        __u64           __bp_reserved_1;
-                        __u64           __bp_reserved_2;
-                };
+        struct { /* Hardware breakpoint info */
+                __u64           bp_addr;
+                __u32           bp_type;
+                __u32           bp_len;
+                __u64           __bp_reserved_1;
+                __u64           __bp_reserved_2;
         };
 
         __u32                   __reserved_2;