[ANNOUNCE] 3.8.11-rt8

From: Sebastian Andrzej Siewior
Date: Mon May 06 2013 - 06:25:40 EST


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
--
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