linux-kernel - Re: [PATCH v2 1/2] printk_ringbuffer: don't needlessly wrap data blocks around

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Message-ID: <aPjSJ80eHQSqvdPx@pathway.suse.cz>
Date: Wed, 22 Oct 2025 14:46:31 +0200
From: Petr Mladek <pmladek@...e.com>
To: Daniil Tatianin <d-tatianin@...dex-team.ru>
Cc: linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	John Ogness <john.ogness@...utronix.de>,
	Sergey Senozhatsky <senozhatsky@...omium.org>
Subject: Re: [PATCH v2 1/2] printk_ringbuffer: don't needlessly wrap data
 blocks around

On Fri 2025-09-05 17:41:51, Daniil Tatianin wrote:
> Previously, data blocks that perfectly fit the data ring buffer would
> get wrapped around to the beginning for no reason since the calculated
> offset of the next data block would belong to the next wrap. Since this
> offset is not actually part of the data block, but rather the offset of
> where the next data block is going to start, there is no reason to
> include it when deciding whether the current block fits the buffer.
> 
> Signed-off-by: Daniil Tatianin <d-tatianin@...dex-team.ru>

JFYI, the patch has been comitted into printk/linux.git,
branch for-6.19.

I have updated the indentation as proposed by John.

Best Regards,
Petr