From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH v4 02/27] hardirq/nmi: Allow nested nmi_enter()
Date: Thu, 27 Feb 2020 10:10:42 +0100
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To: Frederic Weisbecker <frederic@kernel.org>
Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, rostedt@goodmis.org, mingo@kernel.org, joel@joelfernandes.org, gregkh@linuxfoundation.org, gustavo@embeddedor.com, tglx@linutronix.de, paulmck@kernel.org, josh@joshtriplett.org, mathieu.desnoyers@efficios.com, jiangshanlai@gmail.com, luto@kernel.org, tony.luck@intel.com, dan.carpenter@oracle.com, mhiramat@kernel.org, Will Deacon <will@kernel.org>, Petr Mladek <pmladek@suse.com>, Marc Zyngier <maz@kernel.org>

On Tue, Feb 25, 2020 at 11:10:32PM +0100, Frederic Weisbecker wrote:
> So here is my previous proposal, based on a simple counter, this time
> with comments and a few fixes:

I've presumed your SoB and made this your patch.