On Thu, 12 Dec 2013, Christoph Hellwig wrote:
> On Wed, Dec 11, 2013 at 08:06:37PM -0500, Paul Gortmaker wrote:
> > From: Thomas Gleixner <t...@linutronix.de>
> >
> > The wait_queue is a swiss army knife and in most of the cases the
> > full complexity is not needed. Here we provide a slim version, as
> > it lowers memory consumption and runtime overhead.
>
> Might it make more sense to just make the simple one the default and use
> the complex one in the few cases that need it?
Sure.
> It would also be good to enumerate those cases. The wake callbacks come
> to mind, but I guess there are more?
You can convert everything which uses default_wake_function and does
not use the exclusive wait trickery.
Thanks,
tglx
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