PM_GRS_MSK        575 arch/powerpc/perf/power5+-pmu.c 			grsel = (event[i] >> PM_GRS_SH) & PM_GRS_MSK;
PM_GRS_MSK        520 arch/powerpc/perf/power5-pmu.c 			grsel = (event[i] >> PM_GRS_SH) & PM_GRS_MSK;