linux-kernel - Re: [PATCH] printk: Add caller information to printk() output.

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Date:   Wed, 12 Dec 2018 11:25:26 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>
Cc:     Petr Mladek <pmladek@...e.com>, Dmitry Vyukov <dvyukov@...gle.com>,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        syzkaller <syzkaller@...glegroups.com>
Subject: Re: [PATCH] printk: Add caller information to printk() output.

On (12/11/18 19:26), Tetsuo Handa wrote:
> @@ -688,12 +701,21 @@ static ssize_t msg_print_ext_header(char *buf, size_t size,
>  				    struct printk_log *msg, u64 seq)
>  {
>  	u64 ts_usec = msg->ts_nsec;
> +	char from[18];

[..]

> +#ifdef CONFIG_PRINTK_FROM
> +static size_t print_from(u32 id, char *buf)
> +{
> +	char from[12];

Are those supposed to be of different sizes: 18 and 12?

	-ss