Re: [RFC PATCH 2/7] printk: Simple implementation for NMI backtracing

From: Daniel Thompson
Date: Mon Mar 23 2015 - 10:52:05 EST

On 19/03/15 19:01, Steven Rostedt wrote:
On Thu, 19 Mar 2015 18:48:10 +0000
Daniel Thompson <daniel.thompson@xxxxxxxxxx> 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.

Agreed. I'll respin the patchset with the barrier removed.

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