diff --git a/[refs] b/[refs]
index 28a5ffe0c86c..c9c5c068e88c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2fae7cdb60240e2e2d9b378afbf6d9fcce8a3890
+refs/heads/master: 813312110bede27bffd082c25cd31730bd567beb
diff --git a/trunk/arch/powerpc/perf/core-book3s.c b/trunk/arch/powerpc/perf/core-book3s.c
index 77b49ddda9d3..7cd2dbd6e4c4 100644
--- a/trunk/arch/powerpc/perf/core-book3s.c
+++ b/trunk/arch/powerpc/perf/core-book3s.c
@@ -1431,7 +1431,7 @@ static void perf_event_interrupt(struct pt_regs *regs)
 		if (!event->hw.idx || is_limited_pmc(event->hw.idx))
 			continue;
 		val = read_pmc(event->hw.idx);
-		if ((int)val < 0) {
+		if (pmc_overflow(val)) {
 			/* event has overflowed */
 			found = 1;
 			record_and_restart(event, val, regs);