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Subject: Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm:
 Implement fast refcount overflow protection
From: Mike Galbraith <efault@gmx.de>
To: Kees Cook <keescook@chromium.org>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
        "Reshetova, Elena" <elena.reshetova@intel.com>
Date: Tue, 29 Aug 2017 20:10:07 +0200
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On Tue, 2017-08-29 at 18:55 +0200, Mike Galbraith wrote:
> On Tue, 2017-08-29 at 08:58 -0700, Kees Cook wrote:
> > 
> > Ah-ha, found the tip-bot commit now that disables the x86 refcount
> > implementation. Can you boot with CONFIG_REFCOUNT_FULL=y?
> 
> Will do in the A.M.

(It's A.M. somewhere..)  That boots fine.

	-Mike