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arm64: perf: Extend event mask for ARMv8.1

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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>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Jan Glauber 2016-02-18 17:50:14 +01:00 • committed by Will Deacon
parent 7175f0591e
commit c210ae80e4
1 changed files with 2 additions and 2 deletions
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4
arch/arm64/kernel/perf_event.c
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@ -419,8 +419,8 @@ static const struct attribute_group *armv8_pmuv3_attr_groups[] = {
/* /*
* PMXEVTYPER: Event selection reg * PMXEVTYPER: Event selection reg
*/ */
#define ARMV8_EVTYPE_MASK 0xc80003ff /* Mask for writable bits */ #define ARMV8_EVTYPE_MASK 0xc800ffff /* Mask for writable bits */
#define ARMV8_EVTYPE_EVENT 0x3ff /* Mask for EVENT bits */ #define ARMV8_EVTYPE_EVENT 0xffff /* Mask for EVENT bits */
/* /*
* Event filters for PMUv3 * Event filters for PMUv3