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DateFri, 22 Jun 2007 09:43:44 +0200
FromIngo Molnar <>
SubjectRe: [RFC PATCH 1/6] Convert the RCU tasklet into a softirq

* Christoph Hellwig <hch@infradead.org> wrote:

> On Fri, Jun 22, 2007 at 12:00:15AM -0400, Steven Rostedt wrote:
> > I believe this was originally done by Dipankar Sarma. I pulled these
> > changes from the -rt kernel.
> >
> > For better preformance, RCU should use a softirq instead of a
> > tasklet.
>
> I was under the imporession we had merged this a while ago due to
> tasklet bottlenecks on big machines. Any reason why it has been
> delayed so long?

i thought so too, up until a few weeks ago. I think i might have mixed
it up mentally with the scheduler rebalancing tasklet: that was
converted to softirqs on my request and made me forget about the RCU
tasklet thing.

Ingo
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