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Date: Mon, 18 Mar 2013 04:22:05 +0000 From: Ben Hutchings <ben@...adent.org.uk> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: akpm@...ux-foundation.org, Will Deacon <will.deacon@....com>, Christoffer Dall <cdall@...columbia.edu>, Russell King <rmk+kernel@....linux.org.uk> Subject: [ 21/82] ARM: 7663/1: perf: fix ARMv7 EVTYPE_MASK to include NSH bit 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Will Deacon <will.deacon@....com> commit f2fe09b055e2549de41fb107b34c60bac4a1b0cf upstream. 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. Reported-by: Christoffer Dall <cdall@...columbia.edu> Signed-off-by: Will Deacon <will.deacon@....com> Signed-off-by: Russell King <rmk+kernel@....linux.org.uk> Signed-off-by: Ben Hutchings <ben@...adent.org.uk> --- arch/arm/kernel/perf_event_v7.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm/kernel/perf_event_v7.c +++ b/arch/arm/kernel/perf_event_v7.c @@ -720,7 +720,7 @@ static const unsigned armv7_a15_perf_cac /* * 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 */ /* -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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