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arm64: perf: fix ARMv8 EVTYPE_MASK to include NSH bit

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commit 178cd9ce37 upstream.

This is a port of f2fe09b055 ("ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK
to include NSH bit") to arm64, which fixes the broken evtype mask to
include the NSH bit, allowing profiling at EL2.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Will Deacon
2013-08-20 11:47:42 +01:00
committed by Greg Kroah-Hartman
parent 1f96d83b38
commit 0fe9a0dc92
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/kernel/perf_event.c
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@@ -784,7 +784,7 @@ static const unsigned armv8_pmuv3_perf_cache_map[PERF_COUNT_HW_CACHE_MAX]
/*
* PMXEVTYPER: Event selection reg
*/
#define ARMV8_EVTYPE_MASK 0xc00000ff /* Mask for writable bits */
#define ARMV8_EVTYPE_MASK 0xc80000ff /* Mask for writable bits */
#define ARMV8_EVTYPE_EVENT 0xff /* Mask for EVENT bits */
/*