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Date:	Thu, 19 Mar 2015 15:01:11 -0400
From:	Steven Rostedt <>
To:	Daniel Thompson <>
Cc:	Peter Zijlstra <>,,
	Catalin Marinas <>,
	Will Deacon <>,,,,
	John Stultz <>,
	Sumit Semwal <>,
	Marc Zyngier <>,
	Andrew Thoelke <>,
	Dongdong Deng <>
Subject: Re: [RFC PATCH 2/7] printk: Simple implementation for NMI

On Thu, 19 Mar 2015 18:48:10 +0000
Daniel Thompson <> wrote:
> The barrier was not intended to have anything to do with put_cpu() 
> either though since the barrier was added before put_cpu() arrived:
> There's nothing in the commit comment explaining the barrier and I 
> really can't see what it is for.

Looks like it wasn't needed then either.

-- Steve
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