linux-hardening - Re: [RFC][PATCH 07/10] printk: export symbols for buffer address and length functions

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Message-ID: <20250218-175733-neomutt-senozhatsky@chromium.org>
Date: Tue, 18 Feb 2025 17:58:26 +0900
From: Sergey Senozhatsky <senozhatsky@...omium.org>
To: Christoph Hellwig <hch@...radead.org>
Cc: Eugen Hristev <eugen.hristev@...aro.org>, 
	linux-arm-msm@...r.kernel.org, linux-hardening@...r.kernel.org, kees@...nel.org, 
	linux-kernel@...r.kernel.org, johannes@...solutions.net, gregkh@...uxfoundation.org, 
	rafael@...nel.org, dakr@...nel.org, andersson@...nel.org, konradybcio@...nel.org, 
	tony.luck@...el.com, gpiccoli@...lia.com, pmladek@...e.com, rostedt@...dmis.org, 
	john.ogness@...utronix.de, senozhatsky@...omium.org, quic_mojha@...cinc.com, 
	linux-arm-kernel@...ts.infradead.org, kernel@...cinc.com
Subject: Re: [RFC][PATCH 07/10] printk: export symbols for buffer address and
 length functions

On (25/02/18 00:26), Christoph Hellwig wrote:
> On Mon, Feb 17, 2025 at 12:17:03PM +0200, Eugen Hristev wrote:
> > log_buf_addr_get() and log_buf_len_get() can be reused in another module,
> > export the symbols.
> 
> Err, no way.

Yeah I think we've been there before [1]

[1] https://lore.kernel.org/all/20230905081902.321778-1-hch@lst.de/