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

From	Jan Glauber <jglauber@cavium.com>
Newsgroups	linux.kernel
Subject	[PATCH v4 5/5] arm64/perf: Extend event mask for ARMv8.1
Date	2016-02-18 18:00 +0100
Message-ID	<r3A5R-8tj-25@gated-at.bofh.it> (permalink)
References	<r3A5R-8tj-13@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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 --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
-- 
1.9.1

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[PATCH v4 5/5] arm64/perf: Extend event mask for ARMv8.1 Jan Glauber <jglauber@cavium.com> - 2016-02-18 18:00 +0100

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