2.6.24.7-rt18

2.6.24.7-rt18

[Steven Rostedt]

We are pleased to announce the 2.6.24.7-rt18 tree, which can be
downloaded from the location:

  http://rt.et.redhat.com/download/

Information on the RT patch can be found at:

  http://rt.wiki.kernel.org/index.php/Main_Page

Changes since 2.6.24.7-rt17

  - seqlock serialize writes (Gregory Haskins)

  - Fix above patch that broke non PREEMPT_RT (Steven Rostedt)

  - Add sysctl to warn on RT task using non PI futex (Steven Rostedt)

  - lockdep debug fix int/atomic_t compile error (Steven Rostedt)

to build a 2.6.24.7-rt18 tree, the following patches should be applied:

  http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.24.tar.bz2
  http://kernel.org/pub/linux/kernel/v2.6/patch-2.6.24.7.bz2
  http://rt.et.redhat.com/download/patch-2.6.24.7-rt18.bz2


And like always, my RT version of Matt Mackall's ketchup will get this
for you nicely:

  http://people.redhat.com/srostedt/rt/tools/ketchup-0.9.8-rt3


The broken out patches are also available.



-- Steve

Re: 2.6.24.7-rt18

[Ankita Garg]

Hi Steven,

On Tue, Sep 09, 2008 at 11:44:42PM -0400, Steven Rostedt wrote:
> We are pleased to announce the 2.6.24.7-rt18 tree, which can be
> downloaded from the location:
> 
>   http://rt.et.redhat.com/download/
> 
> Information on the RT patch can be found at:
> 
>   http://rt.wiki.kernel.org/index.php/Main_Page
> 
> Changes since 2.6.24.7-rt17
> 
>   - seqlock serialize writes (Gregory Haskins)
> 
>   - Fix above patch that broke non PREEMPT_RT (Steven Rostedt)
> 
>   - Add sysctl to warn on RT task using non PI futex (Steven Rostedt)
>

A trivial patch to remove the hard coded value of MAX_RT_PRIO in the
above patch.
 
Signed-off-by: Ankita Garg <ankita@in.ibm.com> 

Index: linux-2.6.26.5/kernel/futex.c
===================================================================
--- linux-2.6.26.5.orig/kernel/futex.c	2008-09-09 22:58:19.000000000 -0700
+++ linux-2.6.26.5/kernel/futex.c	2008-09-09 22:58:38.000000000 -0700
@@ -1241,7 +1241,7 @@
 			       "RT task %s:%d with priority %d"
 			       " using non PI futex\n",
 			       current->comm, current->pid,
-			       100 - current->prio);
+			       MAX_RT_PRIO - current->prio);
 		}
 	}
 
-- 
Regards,
Ankita Garg (ankita@in.ibm.com)
Linux Technology Center
IBM India Systems & Technology Labs, 
Bangalore, India   

Re: 2.6.24.7-rt18

[Steven Rostedt]

On Wed, 10 Sep 2008, Ankita Garg wrote:

> Hi Steven,
> 
> On Tue, Sep 09, 2008 at 11:44:42PM -0400, Steven Rostedt wrote:
> > We are pleased to announce the 2.6.24.7-rt18 tree, which can be
> > downloaded from the location:
> > 
> >   http://rt.et.redhat.com/download/
> > 
> > Information on the RT patch can be found at:
> > 
> >   http://rt.wiki.kernel.org/index.php/Main_Page
> > 
> > Changes since 2.6.24.7-rt17
> > 
> >   - seqlock serialize writes (Gregory Haskins)
> > 
> >   - Fix above patch that broke non PREEMPT_RT (Steven Rostedt)
> > 
> >   - Add sysctl to warn on RT task using non PI futex (Steven Rostedt)
> >
> 
> A trivial patch to remove the hard coded value of MAX_RT_PRIO in the
> above patch.

Thanks, I pulled it into the queue.

-- Steve