Messages in this thread Patch in this message | | | From | Jan Glauber <> | Subject | [PATCH v4 5/5] arm64/perf: Extend event mask for ARMv8.1 | Date | Thu, 18 Feb 2016 17:50:14 +0100 |
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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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