linux-kernel - Re: [PATCH] docs: gdbmacros: print newest record

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Message-ID: <Y7P4UwjRQG8Tov1D@alley>
Date:   Tue, 3 Jan 2023 10:41:39 +0100
From:   Petr Mladek <pmladek@...e.com>
To:     John Ogness <john.ogness@...utronix.de>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        linux-kernel@...r.kernel.org, Baoquan He <bhe@...hat.com>,
        Vivek Goyal <vgoyal@...hat.com>,
        Dave Young <dyoung@...hat.com>,
        Jonathan Corbet <corbet@....net>, kexec@...ts.infradead.org,
        linux-doc@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] docs: gdbmacros: print newest record

On Thu 2022-12-29 14:49:39, John Ogness wrote:
> @head_id points to the newest record, but the printing loop
> exits when it increments to this value (before printing).
> 
> Exit the printing loop after the newest record has been printed.
> 
> The python-based function in scripts/gdb/linux/dmesg.py already
> does this correctly.
> 
> Fixes: e60768311af8 ("scripts/gdb: update for lockless printk ringbuffer")
> Cc: stable@...r.kernel.org
> Signed-off-by: John Ogness <john.ogness@...utronix.de>

Great catch!

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

Best Regards,
Petr