SPRN_TBWU 132 arch/powerpc/include/asm/time.h mtspr(SPRN_TBWU, upper); SPRN_TBWU 91 arch/powerpc/kvm/emulate.c case SPRN_TBWU: break; SPRN_TBWU 153 arch/powerpc/kvm/emulate.c case SPRN_TBWU: SPRN_TBWU 32 arch/powerpc/platforms/86xx/common.c mtspr(SPRN_TBWU, 0);