Date: Thu, 14 May 2015 09:55:04 -0400
From: Steven Rostedt <rostedt@goodmis.org>
To: Wang Long <long.wanglong@huawei.com>
Cc: <jkosina@suse.cz>, <gregkh@linuxfoundation.org>, <stable@vger.kernel.org>,
        <wanglong@laoqinren.net>, <peifeiyue@huawei.com>,
        <linux-kernel@vger.kernel.org>, <morgan.wang@huawei.com>,
        <paulmck@linux.vnet.ibm.com>, <pmladek@suse.cz>, <dzickus@redhat.com>,
        <x86@kernel.org>, <sasha.levin@oracle.com>
Subject: Re: [RFC PATCH 00/17][request for stable 3.10 inclusion] x86/nmi:
 Print all cpu stacks from NMI safely
Message-ID: <20150514095504.3076310c@gandalf.local.home>
In-Reply-To: <1431603304-162571-1-git-send-email-long.wanglong@huawei.com>
References: <1431603304-162571-1-git-send-email-long.wanglong@huawei.com>
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On Thu, 14 May 2015 11:34:47 +0000
Wang Long <long.wanglong@huawei.com> wrote:

> The patch 1-13 backport the "seq_buf" infrastructures. in detail, patch 1, 2
> and 6 only backport "seq_buf" related code.
> 

Ah, so basically you just backported the seq_buf.c code without
modifying the trace_seq code. That's a good approach. I don't have much
time to look at these but I'll try to skim them to see if I find
anything broken.

I may pull all of them into a test branch and run my tests to make sure
they don't break anything else.

-- Steve


>  arch/x86/kernel/apic/hw_nmi.c |  86 +++++++++-
>  include/linux/percpu.h        |   4 +
>  include/linux/printk.h        |   2 +
>  include/linux/seq_buf.h       | 136 ++++++++++++++++
>  kernel/printk.c               |  41 +++--
>  lib/Makefile                  |   2 +-
>  lib/seq_buf.c                 | 359 ++++++++++++++++++++++++++++++++++++++++++
>  7 files changed, 617 insertions(+), 13 deletions(-)
>  create mode 100644 include/linux/seq_buf.h
>  create mode 100644 lib/seq_buf.c
> 

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