linux-kernel - Re: [PATCH] printk/nmi: Prevent deadlock when serializing NMI backtraces

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Message-ID: <20180619082716.GD405@jagdpanzerIV>
Date:   Tue, 19 Jun 2018 17:27:16 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
        linux-kernel@...r.kernel.org, "4 . 13+" <stable@...r.kernel.org>
Subject: Re: [PATCH] printk/nmi: Prevent deadlock when serializing NMI
 backtraces

On (06/19/18 09:52), Petr Mladek wrote:
> On Mon 2018-06-18 19:07:18, Sergey Senozhatsky wrote:
> > On (06/18/18 11:39), Petr Mladek wrote:
> > [..]
> > 
> > Hmm. Can't answer right now :)
> 
> Please, let me know what name you would like ;-)

:) Wow, it's hard. Maybe we can derive some bits from the ftrace_dump()
function name? Dunno... Does printk_dump_nmi_enter() sound terrible?

Maybe Steven has some opinions on this?

	-ss