RE: [PATCH] Hook up getcpu system call for IA64

From: Yu, Fenghua <fenghua.yu_at_intel.com>
Date: 2007-02-07 08:32:02
>I know it's trivial to wire up sys_getcpu, but please take this
seriously,
>it should be implemented as assembly fsys call.

Ken,

Could you please explain why fsys call? Sys_getcpu takes about 600cycles
on 1.6GHz Montecito. Do we need to save these cycles?

Thanks.

-Fenghua
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Received on Wed Feb 07 08:32:27 2007

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