linux-kernel - Re: [PATCH printk v5 0/6] printk: reimplement LOG

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Message-ID: <20200915094756.GF11154@alley>
Date:   Tue, 15 Sep 2020 11:47:56 +0200
From:   Petr Mladek <pmladek@...e.com>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     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>,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrea Parri <parri.andrea@...il.com>,
        Paul McKenney <paulmck@...nel.org>, kexec@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH printk v5 0/6] printk: reimplement LOG_CONT handling

On Mon 2020-09-14 14:39:48, John Ogness wrote:
> Hello,
> 
> Here is v5 for the second series to rework the printk subsystem.
> (The v4 is here [0].) This series implements a new ringbuffer
> feature that allows the last record to be extended. Petr Mladek
> provided the initial proof of concept [1] for this.
> 
> Using the record extension feature, LOG_CONT is re-implemented
> in a way that exactly preserves its behavior, but avoids the
> need for an extra buffer. In particular, it avoids the need for
> any synchronization that such a buffer requires.

The series is ready for linux-next from my POV. I am going to push
it there tomorrow if nobody complains.

Best Regards,
Petr