[ANNOUNCE] 3.8.11-rt8

[ANNOUNCE] 3.8.11-rt8

[Sebastian Andrzej Siewior]

Dear RT Folks,

I'm pleased to announce the 3.8.11-rt8 release.

changes since v3.8.11-rt7:
- suspend / resume related fix has been fixed
- don't wakeup blocked workers (Steven Rostedt) 

Known issues:

    - SLxB is broken on PowerPC, e500 based cpus. Can't repdroduce the
      problem on mpc5200 based board.

The delta patch against v3.8.11-rt7 is appended below and can be found here:

  https://www.kernel.org/pub/linux/kernel/projects/rt/3.8/incr/patch-3.8.11-rt7-rt8.patch.xz

The RT patch against 3.8.11 can be found here:

  https://www.kernel.org/pub/linux/kernel/projects/rt/3.8/patch-3.8.11-rt8.patch.xz

The split quilt queue is available at:

  https://www.kernel.org/pub/linux/kernel/projects/rt/3.8/patches-3.8.11-rt8.tar.xz

Sebastian

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 1ec9d1f..505e08f 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3144,8 +3144,10 @@ static void __sched __schedule(void)
 			 * If a worker went to sleep, notify and ask workqueue
 			 * whether it wants to wake up a task to maintain
 			 * concurrency.
+			 * Only call wake up if prev isn't blocked on a sleeping
+			 * spin lock.
 			 */
-			if (prev->flags & PF_WQ_WORKER) {
+			if (prev->flags & PF_WQ_WORKER && !prev->saved_state) {
 				struct task_struct *to_wakeup;
 
 				to_wakeup = wq_worker_sleeping(prev, cpu);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 99f943b..ea93e56 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -776,7 +776,7 @@ static void timekeeping_resume(void)
 		__timekeeping_inject_sleeptime(tk, &ts);
 	}
 	/* re-base the last cycle value */
-	tk->clock->cycle_last = tk->clock->read(tk->clock);
+	tk->cycle_last = tk->clock->cycle_last = tk->clock->read(tk->clock);
 	tk->ntp_error = 0;
 	timekeeping_suspended = 0;
 	timekeeping_update(tk, false, true);
diff --git a/localversion-rt b/localversion-rt
index 0454789..700c857 100644
--- a/localversion-rt
+++ b/localversion-rt
@@ -1 +1 @@
--rt7
+-rt8

Re: [ANNOUNCE] 3.8.11-rt8

[Paul Gortmaker]

On Mon, May 6, 2013 at 6:25 AM, Sebastian Andrzej Siewior
<bigeasy@linutronix.de> wrote:
> Dear RT Folks,
>
> I'm pleased to announce the 3.8.11-rt8 release.
>
> changes since v3.8.11-rt7:
> - suspend / resume related fix has been fixed
> - don't wakeup blocked workers (Steven Rostedt)

As per the 3.6.x RT releases[1], there was value in tracking the
per release changes for those people who were using the plain old
linear patch queues, and integrating that into their work.

So this repo continues that for the v3.8.x RT patch queue.  This is
done in the same way that the stable releases have been done,
which is also done in the same way as I did the 3.6.x-RT git
tracking repo.  Meaning that it tracks the changes within a
repository of patches.

You can see the per-release changes in RT-3.8.x by browsing the
history in this patch repository:

http://git.kernel.org/cgit/linux/kernel/git/paulg/3.8-rt-patches.git/

The idea is that you can get the 3.8.x updates by cloning this
repo, and then issuing a "git pull" on it as updates are added by
Sebastian (and hence mirrored to this kernel.org repo by me)

Paul.
--

[1]  http://git.kernel.org/cgit/linux/kernel/git/paulg/3.6-rt-patches.git/