linux-kernel - Re: [PATCH 12/27] mailbox: zynqmp-ipi: remove MODULE

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Date:   Mon, 27 Feb 2023 12:52:02 +0100
From:   Michal Simek <michal.simek@....com>
To:     Nick Alcock <nick.alcock@...cle.com>, <mcgrof@...nel.org>
CC:     <linux-modules@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Hitomi Hasegawa <hasegawa-hitomi@...itsu.com>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Michal Simek <michal.simek@...inx.com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 12/27] mailbox: zynqmp-ipi: remove MODULE_LICENSE in
 non-modules



On 2/24/23 16:07, Nick Alcock wrote:
> Since commit 8b41fc4454e ("kbuild: create modules.builtin without
> Makefile.modbuiltin or tristate.conf"), MODULE_LICENSE declarations
> are used to identify modules. As a consequence, uses of the macro
> in non-modules will cause modprobe to misidentify their containing
> object file as a module when it is not (false positives), and modprobe
> might succeed rather than failing with a suitable error message.
> 
> So remove it in the files in this commit, none of which can be built as
> modules.
> 
> Signed-off-by: Nick Alcock <nick.alcock@...cle.com>
> Suggested-by: Luis Chamberlain <mcgrof@...nel.org>
> Cc: Luis Chamberlain <mcgrof@...nel.org>
> Cc: linux-modules@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Cc: Hitomi Hasegawa <hasegawa-hitomi@...itsu.com>
> Cc: Jassi Brar <jassisinghbrar@...il.com>
> Cc: Michal Simek <michal.simek@...inx.com>
> Cc: linux-arm-kernel@...ts.infradead.org
> ---
>   drivers/mailbox/zynqmp-ipi-mailbox.c | 1 -
>   1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/zynqmp-ipi-mailbox.c
> index 12e004ff1a14..c4619d31477e 100644
> --- a/drivers/mailbox/zynqmp-ipi-mailbox.c
> +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c
> @@ -718,6 +718,5 @@ static void __exit zynqmp_ipi_exit(void)
>   }
>   module_exit(zynqmp_ipi_exit);
> 
> -MODULE_LICENSE("GPL v2");
>   MODULE_DESCRIPTION("Xilinx ZynqMP IPI Mailbox driver");
>   MODULE_AUTHOR("Xilinx Inc.");
> --
> 2.39.1.268.g9de2f9a303
> 

It is the same case as 24/27. Prefer to change Kconfig from bool to tristate.

Thanks,
Michal