ARMV7_PMNC_E     1017 arch/arm/kernel/perf_event_v7.c 	armv7_pmnc_write(armv7_pmnc_read() | ARMV7_PMNC_E);
ARMV7_PMNC_E     1028 arch/arm/kernel/perf_event_v7.c 	armv7_pmnc_write(armv7_pmnc_read() & ~ARMV7_PMNC_E);