pfm_write_ibrs   3850 arch/ia64/kernel/perfmon.c 	return pfm_write_ibrs(ctx, req, nreq, regs);
pfm_write_ibrs   4597 arch/ia64/kernel/perfmon.c /* 32 */PFM_CMD(pfm_write_ibrs, PFM_CMD_PCLRWS, PFM_CMD_ARG_MANY, pfarg_dbreg_t, NULL),