SYS_PMBSR_EL1_BUF_BSC_SHIFT  309 arch/arm64/include/asm/sysreg.h #define SYS_PMBSR_EL1_BUF_BSC_FULL	(0x1UL << SYS_PMBSR_EL1_BUF_BSC_SHIFT)
SYS_PMBSR_EL1_BUF_BSC_SHIFT  586 drivers/perf/arm_spe_pmu.c 		(SYS_PMBSR_EL1_BUF_BSC_MASK << SYS_PMBSR_EL1_BUF_BSC_SHIFT)) {