Re: [RFC PATCH 00/17][request for stable 3.10 inclusion] x86/nmi: Print all cpu stacks from NMI safely

[Steven Rostedt]

On Thu, 14 May 2015 11:34:47 +0000
Wang Long <long.wanglong@xxxxxxxxxx> 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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