linux-kernel - Re: [RFC] how to perform a safe NMI stack trace on all CPUs on x86?

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Message-ID: <555483C8.9060603@huawei.com>
Date:	Thu, 14 May 2015 19:15:20 +0800
From:	"long.wanglong" <long.wanglong@...wei.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	王龙 <wanglong@...qinren.net>,
	jkosina <jkosina@...e.cz>, paulmck <paulmck@...ux.vnet.ibm.com>,
	pmladek <pmladek@...e.cz>, dzickus <dzickus@...hat.com>,
	johannes <johannes@...solutions.net>, koct9i <koct9i@...il.com>,
	tglx <tglx@...utronix.de>, mingo <mingo@...hat.com>,
	hpa <hpa@...or.com>, x86 <x86@...nel.org>,
	atomlin <atomlin@...hat.com>, akpm <akpm@...ux-foundation.org>,
	"sasha.levin" <sasha.levin@...cle.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	peifeiyue <peifeiyue@...wei.com>,
	"morgan.wang" <morgan.wang@...wei.com>
Subject: Re: [RFC] how to perform a safe NMI stack trace on all CPUs on x86?

On 2015/5/13 22:22, Steven Rostedt wrote:
> On Wed, 13 May 2015 22:14:54 +0800
> "王龙" <wanglong@...qinren.net> wrote:
> 
> 
>> context. But how do we fix this problem in older version of kernel(eg, 3.10 stable)? 
>> The 3.10 stable has no "switch printk routine" and "seq_buf" infrastructures.
>>
>> Could anyone give me some ideas?
>>
> 
> Backport the necessary patches.
> 
> -- Steve
> 
Hi Steve,

Thank you for your reply, I will backport necessary patches to 3.10 stable.
Welcome you to review my backport patches.

Best Regards
Wang Long
> .
> 


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