diff mbox

[v4,5/5] arm64/perf: Extend event mask for ARMv8.1

Message ID 028b5d83ded39048ec996fe4d4912702704f156b.1455810755.git.jglauber@cavium.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jan Glauber Feb. 18, 2016, 4:50 p.m. UTC 
ARMv8.1 increases the PMU event number space to 16 bit so increase
the EVTYPE mask.

Signed-off-by: Jan Glauber <jglauber@cavium.com>
---
 arch/arm64/kernel/perf_event.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index c68fa98..8746781 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -419,8 +419,8 @@  static const struct attribute_group *armv8_pmuv3_attr_groups[] = {
 /*
  * PMXEVTYPER: Event selection reg
  */
-#define	ARMV8_EVTYPE_MASK	0xc80003ff	/* Mask for writable bits */
-#define	ARMV8_EVTYPE_EVENT	0x3ff		/* Mask for EVENT bits */
+#define	ARMV8_EVTYPE_MASK	0xc800ffff	/* Mask for writable bits */
+#define	ARMV8_EVTYPE_EVENT	0xffff		/* Mask for EVENT bits */
 
 /*
  * Event filters for PMUv3