Re: [PATCH 4/4] modules: Add missing entry for __ex_table

From: Luis Chamberlain <mcgrof@kernel.org>
To: deller@kernel.org
Cc: linux-kernel@vger.kernel.org,
	Masahiro Yamada <masahiroy@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>,
	linux-modules@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 4/4] modules: Add missing entry for __ex_table
Date: Mon, 29 Jan 2024 10:50:49 -0800	[thread overview]
Message-ID: <ZbfziYbsRtIleZzQ@bombadil.infradead.org> (raw)
In-Reply-To: <20231122221814.139916-5-deller@kernel.org>

On Wed, Nov 22, 2023 at 11:18:14PM +0100, deller@kernel.org wrote:
> From: Helge Deller <deller@gmx.de>
> 
> The entry for __ex_table was missing, which may make __ex_table
> become 1- or 2-byte aligned in modules.
> Add the entry to ensure it gets 32-bit aligned.
> 
> Signed-off-by: Helge Deller <deller@gmx.de>
> Cc: <stable@vger.kernel.org> # v6.0+

Cc'ing stable was overkill, I'll remove it.

  Luis

> ---
>  scripts/module.lds.S | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/scripts/module.lds.S b/scripts/module.lds.S
> index b00415a9ff27..488f61b156b2 100644
> --- a/scripts/module.lds.S
> +++ b/scripts/module.lds.S
> @@ -26,6 +26,7 @@ SECTIONS {
>  	.altinstructions	0 : ALIGN(8) { KEEP(*(.altinstructions)) }
>  	__bug_table		0 : ALIGN(8) { KEEP(*(__bug_table)) }
>  	__jump_table		0 : ALIGN(8) { KEEP(*(__jump_table)) }
> +	__ex_table		0 : ALIGN(4) { KEEP(*(__ex_table)) }
>  
>  	__patchable_function_entries : { *(__patchable_function_entries) }
>  
> -- 
> 2.41.0
> 
> 