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SubjectRe: [PREEMPT-RT] [PATCH] s390/cpum_sf: Remove superfluous SMP function call
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

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