PVR_REV          1238 arch/powerpc/include/asm/reg.h #define PVR_REV(pvr)	(((pvr) >>   0) & 0xFFFF)	/* Revison field */
PVR_REV            17 tools/perf/arch/powerpc/util/header.c #define PVR_REV(pvr)    (((pvr) >>   0) & 0xFFFF) /* Revison field */