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Message-ID: <1504024459.6024.8.camel@gmx.de>
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: Ingo Molnar <mingo@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
        Ingo Molnar <mingo@elte.hu>, Josh Poimboeuf <jpoimboe@redhat.com>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Thomas Gleixner <tglx@linutronix.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Elena Reshetova <elena.reshetova@intel.com>,
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Date: Tue, 29 Aug 2017 18:34:19 +0200
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On Tue, 2017-08-29 at 08:39 -0700, Kees Cook wrote:
> 
> Was this the x86 refcount implementation, or a atomic -> refcount conversion?

mmm.... <oija board> yes.

# CONFIG_REFCOUNT_FULL is not set

	-Mike