EVENT_COMBINE_MASK 42 arch/powerpc/perf/isa207-common.h #define EVENT_COMBINE(v) (((v) >> EVENT_COMBINE_SHIFT) & EVENT_COMBINE_MASK) EVENT_COMBINE_MASK 60 arch/powerpc/perf/isa207-common.h (EVENT_COMBINE_MASK << EVENT_COMBINE_SHIFT) | \