From mboxrd@z Thu Jan  1 00:00:00 1970
From: daniel.thompson@linaro.org (Daniel Thompson)
Date: Mon, 23 Mar 2015 14:51:56 +0000
Subject: [RFC PATCH 2/7] printk: Simple implementation for NMI backtracing
In-Reply-To: <20150319150111.778d21d3@gandalf.local.home>
References: <1426688428-3150-1-git-send-email-daniel.thompson@linaro.org>	<1426688428-3150-3-git-send-email-daniel.thompson@linaro.org>	<20150319133958.4821493e@gandalf.local.home>	<20150319183037.GT23123@twins.programming.kicks-ass.net>	<550B19EA.6000202@linaro.org>
 <20150319150111.778d21d3@gandalf.local.home>
Message-ID: <5510288C.3020702@linaro.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 19/03/15 19:01, Steven Rostedt wrote:
> On Thu, 19 Mar 2015 18:48:10 +0000
> Daniel Thompson <daniel.thompson@linaro.org> 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:
>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=554ec063982752e9a569ab9189eeffa3d96731b2
>>
>> 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.


Daniel.