Re: [PATCH 1/3] wait-simple: Introduce the simple waitqueueimplementation

[Thomas Gleixner]

On Thu, 12 Dec 2013, Christoph Hellwig wrote:

> On Wed, Dec 11, 2013 at 08:06:37PM -0500, Paul Gortmaker wrote:
> > From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > 
> > 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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/