IBS_OP_MAX_CNT_EXT_MASK
new_config = period & IBS_OP_MAX_CNT_EXT_MASK;
period &= ~IBS_OP_MAX_CNT_EXT_MASK;
perf_ibs_op.max_period |= IBS_OP_MAX_CNT_EXT_MASK;
perf_ibs_op.config_mask |= IBS_OP_MAX_CNT_EXT_MASK;
perf_ibs_op.cnt_mask |= (IBS_OP_MAX_CNT_EXT_MASK |
period |= config & IBS_OP_MAX_CNT_EXT_MASK;
config |= period & IBS_OP_MAX_CNT_EXT_MASK;
period &= ~IBS_OP_MAX_CNT_EXT_MASK;