linux-kernel - Re: linux-next: manual merge of the modules tree with the kbuild tree

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Message-ID: <20231103092419.5eb5fcdd@canb.auug.org.au>
Date:   Fri, 3 Nov 2023 09:24:19 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     Luis Chamberlain <mcgrof@...nel.org>,
        Jack Brennen <jbrennen@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>
Subject: Re: linux-next: manual merge of the modules tree with the kbuild
 tree

Hi all,

On Wed, 4 Oct 2023 11:43:54 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> Today's linux-next merge of the modules tree got a conflict in:
> 
>   scripts/mod/modpost.c
> 
> between commit:
> 
>   4074532758c5 ("modpost: Optimize symbol search from linear to binary search")
> 
> from the kbuild tree and commit:
> 
>   dc95e422c283 ("module: Make is_valid_name() return bool")
> 
> from the modules tree.
> 
> I fixed it up (I used the former version of this files and applied the
> following merge resolution patch) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging.  You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
> 
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> Date: Wed, 4 Oct 2023 11:39:03 +1100
> Subject: [PATCH] fix up for "module: Make is_valid_name() return bool"
> 
> interacting with commit
> 
>   4074532758c5 ("modpost: Optimize symbol search from linear to binary search")
> 
> from the kbuild tree.
> 
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> ---
>  scripts/mod/modpost.h | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
> index 6413f26fcb6b..5a0324f3257f 100644
> --- a/scripts/mod/modpost.h
> +++ b/scripts/mod/modpost.h
> @@ -163,12 +163,12 @@ static inline unsigned int get_secindex(const struct elf_info *info,
>   *
>   * Internal symbols created by tools should be ignored by modpost.
>   */
> -static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)
> +static inline bool is_valid_name(struct elf_info *elf, Elf_Sym *sym)
>  {
>  	const char *name = elf->strtab + sym->st_name;
>  
>  	if (!name || !strlen(name))
> -		return 0;
> +		return false;
>  	return !is_mapping_symbol(name);
>  }

This is now a conflict between the kbuild tree and Linus' tree.

-- 
Cheers,
Stephen Rothwell

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