requeue_pi support

[Dinakar Guniguntala]

On Tue, Jul 21, 2009 at 02:56:59PM -0700, Ulrich Drepper wrote:

> > Built and tested the latest glibc git with the prio-wake testcase
> > (Part of the LTP realtime testcases that fails sometimes on SMP without
> > requeue-PI support)
> > 1. 2.6.29.5 - APIs not implemented in kernel, testcase fails sometimes as
> >               expected. (ENOSYS for requeue APIs and fails sometimes on
> >               SMP as expected)
> 
> No idea what's in there.  Somebody who has lots of interest will have to
> figure it out.

These are expected results so no need investigate any further

> 
> > 2. 2.6.29.5-rt22 - APIs implemented in kernel, testcase passes in a 2 hour run
> > 3. 2.6.31-rc3 - APIs implemented in kernel, testcase passes in a 2 hour run
> 
> So this means that the code I committed does work as is?

Yes it does. Though I havent stress tested it so far

	-Dinakar