linux-kernel - Re: [GIT PULL] x86-refcount fix for v4.14-rc3

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Message-ID: <20170927120239.7rac2d77bykitfjy@gmail.com>
Date:   Wed, 27 Sep 2017 14:02:39 +0200
From:   Ingo Molnar <mingo@...nel.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Mike Galbraith <efault@....de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [GIT PULL] x86-refcount fix for v4.14-rc3


* Kees Cook <keescook@...omium.org> wrote:

> On Wed, Sep 27, 2017 at 12:57 PM, Ingo Molnar <mingo@...nel.org> wrote:
> >
> > * Kees Cook <keescook@...omium.org> wrote:
> >
> >> Hi,
> >>
> >> Please pull this x86-refcount fix for v4.14-rc3. This restores the x86
> >> fast-refcount protection after fixing a corner case that was found late
> >> before the merge window opened. This was the only problem seen during
> >> the protection's life in linux-next, so getting this into v4.14 is
> >> highly desired.
> >
> > No, this is clearly v4.15 material.
> 
> Given the long bake time in linux-next (with only the one bug), and
> that the fix was done weeks ago, why the delay?

Because it's essentially enabling a new feature and the merge window is over.
I'll apply them in 1-2 days.

Thanks,

	Ingo