diff options
| author | Will Deacon <will.deacon@arm.com> | 2013-02-28 20:49:11 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-03-04 02:54:17 +0400 |
| commit | f2fe09b055e2549de41fb107b34c60bac4a1b0cf (patch) | |
| tree | 8a611c6c0f6e842a0d7cc1cff8b83f64374f0823 /arch/arm | |
| parent | 1a8e611874da714ee7ef1e92e5160b38dc54959b (diff) | |
| download | linux-f2fe09b055e2549de41fb107b34c60bac4a1b0cf.tar.xz | |
ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK to include NSH bit
Masked out PMXEVTYPER.NSH means that we can't enable profiling at PL2,
regardless of the settings in the HDCR.
This patch fixes the broken mask.
Cc: <stable@vger.kernel.org>
Reported-by: Christoffer Dall <cdall@cs.columbia.edu>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/kernel/perf_event_v7.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/perf_event_v7.c b/arch/arm/kernel/perf_event_v7.c index 8c79a9e70b83..039cffb053a7 100644 --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -774,7 +774,7 @@ static const unsigned armv7_a7_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] /* * PMXEVTYPER: Event selection reg */ -#define ARMV7_EVTYPE_MASK 0xc00000ff /* Mask for writable bits */ +#define ARMV7_EVTYPE_MASK 0xc80000ff /* Mask for writable bits */ #define ARMV7_EVTYPE_EVENT 0xff /* Mask for EVENT bits */ /* |