From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: rcochran@linutronix.de
Cc: Sebastian Andrzej Siewior <sebastian.siewior@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: [PREEMPT-RT] [PATCH] s390/cpum_sf: Remove superfluous SMP function call
Date: Tue, 5 Apr 2016 13:55:43 +0200 [thread overview]
Message-ID: <20160405115543.GE6890@osiris> (raw)
In-Reply-To: <20160405115129.GE30124@linutronix.de>
On Tue, Apr 05, 2016 at 01:51:29PM +0200, rcochran@linutronix.de wrote:
> On Tue, Apr 05, 2016 at 01:36:38PM +0200, Heiko Carstens wrote:
> > On Tue, Apr 05, 2016 at 01:23:36PM +0200, Heiko Carstens wrote:
> > > Subsequently, in this case, the setup_pmc_cpu() call will be executed on
> > > the wrong cpu.
> >
> > .. or to illustrate this behaviour: the following patch (white space
> > damaged due to copy-paste) results in the following:
>
> I guess you are missing the following commit?
>
>
> commit 1cf4f629d9d246519a1e76c021806f2a51ddba4d
> Author: Thomas Gleixner <tglx@linutronix.de>
> Date: Fri Feb 26 18:43:39 2016 +0000
>
> cpu/hotplug: Move online calls to hotplugged cpu
No. It's included. I'm using latest Linus' master tree with git head being
1e1e5ce78ff0 "Merge tag 'linux-kselftest-4.6-rc3' of
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest"
# uname -a
Linux p2345007 4.6.0-rc2-00042-g1e1e5ce78ff0-dirty #3 SMP PREEMPT Tue Apr 5 13:30:02 CEST 2016 s390x s390x s390x GNU/Linux
next prev parent reply other threads:[~2016-04-05 11:55 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 [this message]
2016-04-05 11:57 ` Sebastian Andrzej Siewior
2016-04-05 12:11 ` Heiko Carstens
2016-04-05 12:19 ` Sebastian Andrzej Siewior
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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