linux-kernel - Re: [PATCH] printk: Remove no longer used LOG

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Date:   Mon, 4 Mar 2019 11:22:29 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] printk: Remove no longer used LOG_PREFIX.

On (02/22/19 18:59), Tetsuo Handa wrote:
> When commit 5becfb1df5ac8e49 ("kmsg: merge continuation records while
> printing") introduced LOG_PREFIX, we used KERN_DEFAULT etc. as a flag
> for setting LOG_PREFIX in order to tell whether to call cont_add()
> (i.e. whether to append the message to "struct cont").
> 
> But since commit 4bcc595ccd80decb ("printk: reinstate KERN_CONT for
> printing continuation lines") inverted the behavior (i.e. don't append
> the message to "struct cont" unless KERN_CONT is specified) and commit
> 5aa068ea4082b39e ("printk: remove games with previous record flags")
> removed the last LOG_PREFIX check, setting LOG_PREFIX via KERN_DEFAULT
> etc. is no longer meaningful.
> 
> Therefore, we can remove LOG_PREFIX and make KERN_DEFAULT empty string.
> 
> Signed-off-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>

Looks good to me. Well, at least I don't see any problems with the patch.
We can do a tree-wide KERN_DEFAULT removal later.

Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@...il.com>

	-ss