Hi, On Fri, 9 May 2014 20:12:14 +0200 Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote: > Dear RT folks! > > I'm pleased to announce the v3.14.3-rt5 patch set. > > Changes since v3.14.3-rt4 > - remove one of the two identical rt_mutex_init() definitions. A patch > from Steven Rostedt > - use EXPORT_SYMBOL() on __rt_mutex_init() and > rt_down_write_nested_lock(). The former was dropped accidently and is > needed by some binary only modules, the latter was requsted by the f2fs > module. Patch by Joakim Hernberg. > - during v3.14 porting I accidently dropped preempt_check_resched() in > the non-preempt case which means configs non-preempt configs did not > build. Reported by Yang Honggang. > - NETCONSOLE is no longer disabled on RT. Daniel Bristot de Oliveira did > some testing and did not find anything wrong it. That means it can be > enabled if someone needs/wants it. > - rt_read_lock() uses rwlock_acquire() instead of rwlock_acquire_read() > for lockdep annotation. It was different compared to what the trylock > variant used and on RT both act the same way. Patch by Mike Galbraith. > - the tracing code wrongly disable preemption while shrinking the ring > buffer. Reported by Stanislav Meduna. > > Known issues: > > - bcache is disabled. > > - lazy preempt on x86_64 leads to a crash with some load. > > - CPU hotplug works in general. Steven's test script however > deadlocks usually on the second invocation. > Also SCHED_DEADLINE dies without the following. Thanks, - Juri ---From 3ca5943538c728399037823e5632431bc2da707c Mon Sep 17 00:00:00 2001 From: Juri Lelli <juri.lelli@xxxxxxxxx> Date: Tue, 13 May 2014 15:21:16 +0200 Subject: [PATCH] sched/deadline: dl_task_timer has to be irqsafe As for rt_period_timer, dl_task_timer has to be irqsafe. Signed-off-by: Juri Lelli <juri.lelli@xxxxxxxxx> --- kernel/sched/deadline.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 6e79b3f..48b04ce 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -537,6 +537,7 @@ void init_dl_task_timer(struct sched_dl_entity *dl_se) hrtimer_init(timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); timer->function = dl_task_timer; + timer->irqsafe = 1; } static -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
