<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial">Hi,&nbsp;God<br><br>I'm&nbsp;doing&nbsp;some&nbsp;experiment&nbsp;on&nbsp;Linux&nbsp;to&nbsp;isolate&nbsp;an&nbsp;hardware&nbsp;for&nbsp;one&nbsp;particular&nbsp;process&nbsp;to&nbsp;use,<br>and&nbsp;at&nbsp;the&nbsp;same&nbsp;time&nbsp;preventing&nbsp;other&nbsp;process&nbsp;to&nbsp;use&nbsp;it.<br>As&nbsp;far&nbsp;as&nbsp;my&nbsp;understanding,&nbsp;cgroup&nbsp;could&nbsp;archive&nbsp;cpu/mem/sched&nbsp;control&nbsp;at&nbsp;process&nbsp;unit,<br>then&nbsp;how&nbsp;to&nbsp;provide&nbsp;such&nbsp;control&nbsp;on&nbsp;some&nbsp;other&nbsp;hardware&nbsp;like&nbsp;serial&nbsp;port/nic&nbsp;?<br>Is&nbsp;there&nbsp;any&nbsp;mechanism&nbsp;in&nbsp;linux&nbsp;enables&nbsp;me&nbsp;to&nbsp;do&nbsp;so? <br><br>thanks<br><br><br><br>bill</div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>