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    SubjectRe: [PATCH 0/4] RCU: various merge candidates
    On Tue, 29 Aug 2006 00:46:42 +0530
    Dipankar Sarma <dipankar@in.ibm.com> wrote:

    > srcu (sleepable rcu) patches independent of the core RCU implementation
    > changes in the patchset. You can queue these up either before
    > or after srcu.
    >
    > ...
    >
    > rcutorture fix patches independent of rcu implementation changes
    > in this patchset.

    So this patchset is largely orthogonal to the presently-queued stuff?

    > >
    > > Now what?
    >
    > Heh. I can always re-submit against -mm after I wait for a day or two
    > for comments :)

    That would be good, thanks. We were seriously considering merging all the
    SRCU stuff for 2.6.18, because
    cpufreq-make-the-transition_notifier-chain-use-srcu.patch fixes a cpufreq
    down()-in-irq-disabled warning at suspend time.

    But that's a lot of new stuff just to fix a warning about something which
    won't actually cause any misbehaviour. We could just as well do

    if (irqs_disabled())
    down_read_trylock(...); /* suspend */
    else
    down_read(...);

    in cpufreq to temporarily shut the thing up.


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