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SubjectRe: [PATCH tip/core/rcu 18/18] rcu: Better hotplug handling for synchronize_sched_expedited()
On Thu, Oct 08, 2015 at 05:11:11PM -0700, Paul E. McKenney wrote:
> On Thu, Oct 08, 2015 at 11:01:14AM -0700, Josh Triplett wrote:
> > On Thu, Oct 08, 2015 at 08:19:03AM -0700, Paul E. McKenney wrote:
> > > On Thu, Oct 08, 2015 at 05:12:42PM +0200, Peter Zijlstra wrote:
> > > > On Thu, Oct 08, 2015 at 08:06:39AM -0700, Paul E. McKenney wrote:
> > > > > Please see below for the fixed version. Thoughts?
> > > >
> > > > > + __releases(rnp->lock) /* But leaves rrupts disabled. */
> > > > > + raw_spin_unlock(&rnp->lock); /* rrupts remain disabled. */
> > > > > + raw_spin_lock(&rnp->lock); /* rrupts already disabled. */
> > > >
> > > > What them 'rrupts' about? ;-)
> > >
> > > Interrupts when it won't fit. I suppose I could use IRQs instead. ;-)
> >
> > In this particular case, "IRQs" works just as well; however, in general,
> > this seems like an excellent example of when to ignore the 80-column
> > guideline. :)
>
> But but but... You are talking to someone who used actual PUNCHED CARDS
> in real life in a paying job!!! ;-)

And I learned on a DOS system with 80x25 text mode. Let us revel in
wonderment at the capabilities of modern systems. :)

- Josh Triplett


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