Re: [patch] drivers/zram: Don't disable preemption in zcomp_stream_get/put()

[ANNOUNCE] 4.8-rt1 · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-06
[patch] ftrace: Fix latency trace header alignment · Mike Galbraith <hidden> · 2016-10-16
Re: [patch] ftrace: Fix latency trace header alignment · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-17
[patch] drivers,connector: Protect send_msg() with a local lock for RT · Mike Galbraith <hidden> · 2016-10-16
Re: [patch] drivers,connector: Protect send_msg() with a local lock for RT · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-17
[patch] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Mike Galbraith <hidden> · 2016-10-16
Re: [patch] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-17
Re: [patch] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Mike Galbraith <hidden> · 2016-10-17
Re: [patch] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-17
Re: [patch] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Mike Galbraith <hidden> · 2016-10-17
Re: [patch] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Mike Galbraith <hidden> · 2016-10-17
[patch v2] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Mike Galbraith <hidden> · 2016-10-19
Re: [patch v2] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-19
Re: [patch v2] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Mike Galbraith <hidden> · 2016-10-20
Re: [patch v2] drivers/zram: Don't disable preemption in zcomp_stream_get/put() · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-20
[patch ]mm/zs_malloc: Fix bit spinlock replacement · Mike Galbraith <hidden> · 2016-10-16
Re: [patch ]mm/zs_malloc: Fix bit spinlock replacement · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-17
Re: [patch ]mm/zs_malloc: Fix bit spinlock replacement · Mike Galbraith <hidden> · 2016-10-17
[patch v2 ] mm/zs_malloc: Fix bit spinlock replacement · Mike Galbraith <hidden> · 2016-10-19
Re: [patch v2 ] mm/zs_malloc: Fix bit spinlock replacement · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-20
[rfc patch] hotplug: Call mmdrop_delayed() in sched_cpu_dying() if PREEMPT_RT_FULL · Mike Galbraith <hidden> · 2016-10-20
Re: [rfc patch] hotplug: Call mmdrop_delayed() in sched_cpu_dying() if PREEMPT_RT_FULL · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2016-10-20

From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: 2016-10-17 16:29:09
Also in: lkml

On 2016-10-17 18:19:00 [+0200], Mike Galbraith wrote:

I used a local lock first, but lockdep was unhappy with it.  Ok, back
to the drawing board.  Seems to work, but...

locallock can be taken recursively so unless preemption was already
disabled, lockdep shouldn't complain. But then from the small context
it should not be taken recursively.

	-Mike

Sebastian

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