linux-kernel - Re: [PATCH v2] mmc: sdhci: Stop advertising the driver in dmesg

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <82b1d733-df39-4f20-8f69-69b34bfac3b5@intel.com>
Date: Thu, 9 Oct 2025 09:11:05 +0300
From: Adrian Hunter <adrian.hunter@...el.com>
To: Linus Walleij <linus.walleij@...aro.org>, Ulf Hansson
	<ulf.hansson@...aro.org>
CC: <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] mmc: sdhci: Stop advertising the driver in dmesg

On 08/10/2025 01:04, Linus Walleij wrote:
> As much as we have grown used to seeing this message on
> every kernel boot, it does not add any technical value.
> 
> Drop all messages from sdhci_drv_init().
> 
> We need to keep the module_init/exit() calls to stub
> functions for the module to work according to
> <linux/module.h>.

But is that true?

> 
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
> ---
> Changes in v2:
> - Drop all the messages instead of demoting.
> - Link to v1: https://lore.kernel.org/r/20251007-mmc-no-advert-v1-1-0e16989d28ef@linaro.org
> ---
>  drivers/mmc/host/sdhci.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index ac7e11f37af71fa5a70eb579fd812227b9347f83..2025b33bd6bfb51fc3116148299807054179b2e2 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -4999,10 +4999,6 @@ EXPORT_SYMBOL_GPL(sdhci_remove_host);
>  
>  static int __init sdhci_drv_init(void)
>  {
> -	pr_info(DRIVER_NAME
> -		": Secure Digital Host Controller Interface driver\n");
> -	pr_info(DRIVER_NAME ": Copyright(c) Pierre Ossman\n");
> -
>  	return 0;
>  }
>  
> 
> ---
> base-commit: fd94619c43360eb44d28bd3ef326a4f85c600a07
> change-id: 20251007-mmc-no-advert-8f5646c44dd6
> 
> Best regards,