From: Greg KH <gregkh@linuxfoundation.org>
To: Ingo Molnar <mingo@kernel.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 14:25:21 -0800 [thread overview]
Message-ID: <20161213222521.GA28477@kroah.com> (raw)
In-Reply-To: <20161213205038.GA13917@gmail.com>
On Tue, Dec 13, 2016 at 09:50:38PM +0100, Ingo Molnar wrote:
>
> * 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.
As 47e627bc8c9a was in 2.6.21, I did the trivial fixup and applied it to
4.4-stable as well.
thanks,
greg k-h
prev parent reply other threads:[~2016-12-13 22:37 UTC|newest]
Thread overview: 5+ 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
2016-12-13 20:52 ` Thomas Gleixner
2016-12-13 22:25 ` Greg KH [this message]
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