Re: [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI

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Subject: Re: [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
From: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>
Date: Fri, 29 Jun 2018 19:01:29 +0900
Cc: Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, stable@xxxxxxxxxxxxxxx
In-reply-to: <20180629072507.lroaj34gxl2d5bze@pathway.suse.cz>
User-agent: Mutt/1.10.0 (2018-05-17)

On (06/29/18 09:25), Petr Mladek wrote:
> > So I summon Mr. Rostedt!
> > 
> > Does schedule_console_output() look bad?
> > What about defer_console_output()?
> 
> I am fine with both. I slightly prefer defer_console_output()

I am fine with defer_console_output().

	-ss

References:
- [PATCH v2 0/3] printk: Deadlock in NMI regression
  - From: Petr Mladek
- [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
  - From: Petr Mladek
- Re: [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
  - From: Sergey Senozhatsky
- Re: [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
  - From: Petr Mladek
- Re: [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
  - From: Sergey Senozhatsky
- Re: [PATCH v2 3/3] printk/nmi: Prevent deadlock when accessing the main log buffer in NMI
  - From: Petr Mladek

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