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    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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