Re: 3.0-git15 Atomic scheduling in pidmap_init

["Paul E. McKenney" <paulmck@linux.vnet.ibm.com>]

On Wed, Aug 17, 2011 at 07:17:50PM -0400, Josh Boyer wrote:
> On Thu, Aug 18, 2011 at 01:06:44AM +0200, Frederic Weisbecker wrote:
> > On Wed, Aug 17, 2011 at 07:02:19PM -0400, Josh Boyer wrote:
> > > On Wed, Aug 17, 2011 at 03:49:16PM -0700, Paul E. McKenney wrote:
> > > > On Wed, Aug 17, 2011 at 06:37:35PM -0400, Josh Boyer wrote:
> > > > > On Mon, Aug 15, 2011 at 08:20:52AM -0700, Paul E. McKenney wrote:
> > > > > > On Mon, Aug 15, 2011 at 10:04:17AM -0400, Josh Boyer wrote:
> > > > > > > > Please see the attached.
> > > > > > > 
> > > > > > > Fixed it up quickly to apply on top of -rc2 and it seems to solve the
> > > > > > > problem nicely.  Thanks for the patch.
> > > > > > 
> > > > > > Good to hear!  I guess I should keep it, then.  ;-)
> > > > > 
> > > > > Hey Paul, were you going to send this to Linus for -rc3?  I haven't seen
> > > > > it come across LKML yet.
> > > > 
> > > > I might...  But does it qualify as a regression?  That part of the
> > > > code hasn't changed for some time now.
> > > 
> > > It's a fix for a problem that is newly surfaced in 3.1.  A regression,
> > > likely not since it's been there forever, but new debugging options
> > > uncovered it.  I'm pretty sure the -rc stage takes fixes even if they
> > > aren't regressions.
> > 
> > Nope, after -rc1 only regressions fixes are taken (most of the time).
> 
> Sigh.
> 
> Look, either way I'm carrying this patch in Fedora because it fixes
> a bug that is actually being reported by users (and by abrtd as well).
> If you both want to wait until 3.2 to actually submit it to Linus,
> then OK.
> 
> Honestly, I'm just glad we actually run with the debug options enabled
> (which seems to be a rare thing) so bugs like this are actually found.
> Thanks for the fix.

I am sorry, but I didn't make the rules!  And I must carry the fix
longer as well, if that makes you feel any better.

							Thanx, Paul