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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: rcochran@linutronix.de,
	Anna-Maria Gleixner <anna-maria@linutronix.de>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org,
	rt@linutronix.de
Subject: Re: [PATCH] s390/cpum_sf: Remove superfluous SMP function call
Date: Tue, 5 Apr 2016 14:19:23 +0200	[thread overview]
Message-ID: <5703AD4B.30903@linutronix.de> (raw)
In-Reply-To: <20160405121155.GF6890@osiris>

On 04/05/2016 02:11 PM, Heiko Carstens wrote:
> I think there is more broken: if I willingly let __cpu_disable() fail and
> try to offline e.g. cpu 2 for the second time chcpu will never return.
> Plus the console contains several "NOHZ: local_softirq_pending 01"
> messages.
> 
> All of this works without problems on vanilla 4.5 kernel.
> 
> I think you can reproduce this on any architecture :)

oh yes.

Sebastian

  reply	other threads:[~2016-04-05 12:19 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-04 10:27 [PATCH] s390/cpum_sf: Remove superfluous SMP function call Anna-Maria Gleixner
2016-04-05 10:49 ` Heiko Carstens
2016-04-05 11:13   ` [PREEMPT-RT] " Sebastian Andrzej Siewior
2016-04-05 11:23     ` Heiko Carstens
2016-04-05 11:36       ` Heiko Carstens
2016-04-05 11:51         ` rcochran
2016-04-05 11:55           ` Heiko Carstens
2016-04-05 11:57           ` Sebastian Andrzej Siewior
2016-04-05 12:11             ` Heiko Carstens
2016-04-05 12:19               ` Sebastian Andrzej Siewior [this message]
2016-04-05 15:59               ` [PATCH] cpu/hotplug: fix rollback during error-out in __cpu_disable() Sebastian Andrzej Siewior
2016-04-06 19:51                 ` Heiko Carstens
2016-04-07 15:14                   ` Sebastian Andrzej Siewior
2016-04-08  6:19                     ` Heiko Carstens
2016-04-08 12:40                       ` [PATCH v2] " Sebastian Andrzej Siewior
2016-04-22  7:54                         ` [tip:smp/urgent] cpu/hotplug: Fix " tip-bot for Sebastian Andrzej Siewior

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