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Date: Mon, 3 Jun 2024 14:42:44 +0200
From: Petr Mladek <pmladek@suse.com>
To: "gxxa03070307@gmail.com" <gxxa03070307@gmail.com>
Cc: "john.ogness" <john.ogness@linutronix.de>,
	rostedt <rostedt@goodmis.org>,
	senozhatsky <senozhatsky@chromium.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	fengqi <fengqi@xiaomi.com>,
	=?utf-8?B?6auY57+U?= <gaoxiang19870307@163.com>
Subject: Re: [PATCH] printk: Increase PRINTK_PREFIX_MAX and the buf size in
 print_caller.
Message-ID: <Zl26LDOV_v946kOv@pathway.suse.cz>
References: <20240527091929.316471-1-gxxa03070307@gmail.com>
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 <87y17tktze.fsf@jogness.linutronix.de>
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On Mon 2024-06-03 16:47:01, gxxa03070307@gmail.com wrote:
> I need to populate the temporary variable "caller" in "print_caller" func with the additional information. And it's no use defining a buf in out-of-tree patch.
> In out-of-tree patch, I can only add hooks (special cases), I can't change anything else, because it needs to be consistent with mainline linux.
> caller buf in mainline linux is it better to make the buf bigger and leave some space?

I do not understand. Why the buffer size has to be consistent with
mainline linux?

Really, it does not make much sense to upstream just this part
of your out-of-tree patch?

Best Regards,
Petr