linux-kernel - Re: [PATCH v4 3/4] Revert "printk: lock/unlock console only for new logbuf entries"

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Message-ID: <20200708143425.GD4751@alley>
Date:   Wed, 8 Jul 2020 16:34:25 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andrea Parri <parri.andrea@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Paul McKenney <paulmck@...nel.org>, kexec@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/4] Revert "printk: lock/unlock console only for new
 logbuf entries"

On Tue 2020-07-07 17:05:31, John Ogness wrote:
> This reverts commit 3ac37a93fa9217e576bebfd4ba3e80edaaeb2289.
> 
> This optimization will not apply once the transition to a lockless
> printk is complete. Rather than porting this optimization through
> the transition only to remove it anyway, just revert it now to
> simplify the transition.
> 
> Signed-off-by: John Ogness <john.ogness@...utronix.de>

Reviewed-by: Petr Mladek <pmladek@...e.com>

Best Regards,
Petr