Re: [PATCH -tip] cpuacct: Make cpuacct hierarchy walk incpuacct_charge() safe when rcupreempt is used.

[Peter Zijlstra]

On Tue, 2009-03-17 at 18:42 +0530, Balbir Singh wrote:

> I'd like to get the patches in -tip and see the results, I would
> recommend using percpu_counter_sum() while reading the data as an
> enhancement to this patch. If user space does not overwhelm with a lot
> of reads, sum would work out better.

You trust userspace? I'd rather not.

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