linux-kernel - Re: [PATCH] printk/kdb: Redirect printk messages into kdb in any context

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Message-ID: <20200515163638.GI42471@jagdpanzerIV.localdomain>
Date:   Sat, 16 May 2020 01:36:38 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Sumit Garg <sumit.garg@...aro.org>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Petr Mladek <pmladek@...e.com>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jason Wessel <jason.wessel@...driver.com>,
        Douglas Anderson <dianders@...omium.org>,
        kgdb-bugreport@...ts.sourceforge.net,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        John Ogness <john.ogness@...utronix.de>
Subject: Re: [PATCH] printk/kdb: Redirect printk messages into kdb in any
 context

On (20/05/15 17:32), Sumit Garg wrote:
> > Can I please have some context what problem does this solve?
> 
> You can find the problem description here [1] which leads to this fix.

[..]

> [1] https://lkml.org/lkml/2020/5/12/213

Thanks for the link. I'm slightly surprised it took so many years
to notice the addition of printk_nmi/printk_safe :)

	-ss