hw-breakpoints: Add two reserved fields for future extensions

Add two reserved fields for future extensions in the hardware
breakpoints interface. Further needs may arise.

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

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 43adbd7..a61e4de 100644 (file)
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -220,6 +220,8 @@ struct perf_event_attr {
                        __u64           bp_addr;
                        __u32           bp_type;
                        __u32           bp_len;
+                       __u64           __bp_reserved_1;
+                       __u64           __bp_reserved_2;
                };
        };