arm64: perf: Extend event mask for ARMv8.1

ARMv8.1 increases the PMU event number space to 16 bit so increase the EVTYPE mask. Signed-off-by: Jan Glauber <[email protected]> Signed-off-by: Will Deacon <[email protected]>
Leo-Yan · Feb 18, 2016 · c210ae8 · c210ae8
1 parent 7175f05
commit c210ae8
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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