Date: Wed, 13 May 2015 10:22:46 -0400
From: Steven Rostedt <rostedt@goodmis.org>
To: "=?UTF-8?B?546L6b6Z?=" <wanglong@laoqinren.net>
Cc: "jkosina" <jkosina@suse.cz>, "paulmck" <paulmck@linux.vnet.ibm.com>,
        "pmladek" <pmladek@suse.cz>, "dzickus" <dzickus@redhat.com>,
        "johannes" <johannes@sipsolutions.net>, "koct9i" <koct9i@gmail.com>,
        "tglx" <tglx@linutronix.de>, "mingo" <mingo@redhat.com>,
        "hpa" <hpa@zytor.com>, "x86" <x86@kernel.org>,
        "atomlin" <atomlin@redhat.com>, "akpm" <akpm@linux-foundation.org>,
        "sasha.levin" <sasha.levin@oracle.com>,
        "linux-kernel" <linux-kernel@vger.kernel.org>,
        "peifeiyue" <peifeiyue@huawei.com>,
        "long.wanglong" <long.wanglong@huawei.com>,
        "morgan.wang" <morgan.wang@huawei.com>
Subject: Re: [RFC] how to perform a safe NMI stack trace on all CPUs on x86?
Message-ID: <20150513102246.344ca5ba@gandalf.local.home>
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References: <tencent_2DEC6ECC6194905D15D8E6D5@qq.com>
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On Wed, 13 May 2015 22:14:54 +0800
"王龙" <wanglong@laoqinren.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
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