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authorWill Deacon <will.deacon@arm.com>2013-02-28 17:49:11 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-03-03 22:54:17 +0000
commitf2fe09b055e2549de41fb107b34c60bac4a1b0cf (patch)
tree8a611c6c0f6e842a0d7cc1cff8b83f64374f0823 /arch/arm/kernel/perf_event_v7.c
parent1a8e611874da714ee7ef1e92e5160b38dc54959b (diff)
downloadvexpress-lsk-f2fe09b055e2549de41fb107b34c60bac4a1b0cf.tar.gz
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/kernel/perf_event_v7.c')
-rw-r--r--arch/arm/kernel/perf_event_v7.c2
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 8c79a9e70b8..039cffb053a 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 */
/*