From: Ingo Molnar <mingo@kernel.org>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: stable kernel team <stable@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [tip:smp/urgent] hotplug: Make register and unregister notifier API symmetric
Date: Tue, 13 Dec 2016 21:50:38 +0100 [thread overview]
Message-ID: <20161213205038.GA13917@gmail.com> (raw)
In-Reply-To: <20161213121855.GA27163@kroah.com>
* Greg KH <gregkh@linuxfoundation.org> wrote:
> On Tue, Dec 13, 2016 at 07:39:58AM +0100, Ingo Molnar wrote:
> >
> > hi Greg,
> >
> > Please apply this fix to v4.9-stable as well, it's now upstream.
>
> Ok, it looks like it belongs in older stable kernels as well, based on
> the fixes: tag, correct?
Yes, indeed - but the testing was v4.9 based and there's been all sorts of changes
in the CPU hotplug machinery.
The fixes tag:
> > Fixes: 47e627bc8c9a ("[PATCH] hotplug: Allow modules to use the cpu hotplug notifiers even if !CONFIG_HOTPLUG_CPU")
Suggests it's an ancient bug and 777c6e0daebb3fce cherry-picks fine as far back as
v4.6.
Thanks,
Ingo
next prev parent reply other threads:[~2016-12-13 20:51 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-13 6:39 [tip:smp/urgent] hotplug: Make register and unregister notifier API symmetric Ingo Molnar
2016-12-13 12:18 ` Greg KH
2016-12-13 20:50 ` Ingo Molnar [this message]
2016-12-13 20:52 ` Thomas Gleixner
2016-12-13 22:25 ` Greg KH
-- strict thread matches above, loose matches on Subject: below --
2016-12-07 13:54 [PATCH] hotplug: make " Michal Hocko
2016-12-08 9:13 ` [tip:smp/urgent] hotplug: Make " tip-bot for Michal Hocko
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