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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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