linux-kernel - Re: [patch RFC 10/29] kgbd: Pretend that console list walk is safe

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Date:   Thu, 15 Sep 2022 00:03:07 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        John Ogness <john.ogness@...utronix.de>,
        Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...nel.org>,
        Daniel Vetter <daniel@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Helge Deller <deller@....de>,
        Jason Wessel <jason.wessel@...driver.com>,
        Daniel Thompson <daniel.thompson@...aro.org>
Subject: Re: [patch RFC 10/29] kgbd: Pretend that console list walk is safe

On (22/09/11 00:27), Thomas Gleixner wrote:
> Provide a special list iterator macro for KGDB to allow unprotected list
> walks and add a few comments to explain the hope based approach.
> 
> Preperatory change for changing the console list to hlist and adding
> lockdep asserts to regular list walks.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Reviewed-by: Sergey Senozhatsky <senozhatsky@...omium.org>

[..]
> -	for_each_console(c) {
> +	/*
> +	 * This is a completely unprotected list walk designed by the
> +	 * wishful thinking departement. See the oops_inprogress comment

s/oops_inprogress/oops_in_progress/