MMCR0_BHRBA       841 arch/powerpc/include/asm/reg.h #define   MMCR0_BHRBA	0x00200000UL /* BHRB Access allowed in userspace */
MMCR0_BHRBA        88 arch/powerpc/perf/core-book3s.c #define MMCR0_BHRBA		0