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
next prev parent reply other threads:[~2016-04-05 12:19 UTC|newest]
Thread overview: 15+ 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
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