powerpc: perf_event: Log invalid data addresses as all 1s

When we take an exception and the SDAR isn't synchronised we currently
log 0 as the address.  Unfortunately this is a pretty common value, so
use ~0UL instead.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index bbcbae183e92..73c3b73bf009 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1162,7 +1162,7 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
          */
         if (record) {
                 struct perf_sample_data data = {
-                        .addr   = 0,
+                        .addr   = ~0ULL,
                         .period = event->hw.last_period,
                 };