Commit 178cd9ce authored Aug 20, 2013 by Will Deacon Committed by Catalin Marinas Aug 20, 2013

arm64: perf: fix ARMv8 EVTYPE_MASK to include NSH bit



This is a port of f2fe09b0 ("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.

Cc: <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

parent 8455e6ec

arch/arm64/kernel/perf_event.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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 */

		/*