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From: Nicolas Schier <nicolas@fjasle.eu>
To: Masahiro Yamada <masahiroy@kernel.org>
Cc: linux-s390@vger.kernel.org, Kees Cook <keescook@chromium.org>,
	linux-kbuild@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	linux-um@lists.infradead.org, linux-kernel@vger.kernel.org,
	clang-built-linux@googlegroups.com,
	Luis Chamberlain <mcgrof@kernel.org>,
	Sami Tolvanen <samitolvanen@google.com>,
	linuxppc-dev@lists.ozlabs.org, Ard Biesheuvel <ardb@kernel.org>
Subject: Re: [PATCH v3 12/15] modpost: simplify the ->is_static initialization
Date: Thu, 5 May 2022 22:27:04 +0200	[thread overview]
Message-ID: <YnQzGMfWqnP6CMir@fjasle.eu> (raw)
In-Reply-To: <20220505072244.1155033-13-masahiroy@kernel.org>

On Thu, May 05, 2022 at 04:22:41PM +0900 Masahiro Yamada wrote:
> ->is_static is set to true at allocation, then to false if the symbol
> comes from the dump file.
> 
> It is simpler to use !mod->from_dump as the init value.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
> ---
> 
> (no changes since v2)
> 
> Changes in v2:
>   - New patch
> 
>  scripts/mod/modpost.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index e07542a90fc6..4edd5b223f49 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -242,7 +242,7 @@ static struct symbol *alloc_symbol(const char *name)
>  
>  	memset(s, 0, sizeof(*s));
>  	strcpy(s->name, name);
> -	s->is_static = true;
> +
>  	return s;
>  }
>  
> @@ -376,6 +376,7 @@ static struct symbol *sym_add_exported(const char *name, struct module *mod,
>  
>  	s = alloc_symbol(name);
>  	s->module = mod;
> +	s->is_static = !mod->from_dump;
>  	s->is_gpl_only = gpl_only;
>  	list_add_tail(&s->list, &mod->exported_symbols);
>  	hash_add_symbol(s);
> @@ -2523,7 +2524,6 @@ static void read_dump(const char *fname)
>  			mod->from_dump = true;
>  		}
>  		s = sym_add_exported(symname, mod, gpl_only);
> -		s->is_static = false;
>  		sym_set_crc(s, crc);
>  		sym_update_namespace(symname, namespace);
>  	}
> -- 
> 2.32.0

Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>

  reply	other threads:[~2022-05-05 21:59 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-05  7:22 [PATCH v3 00/15] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS) Masahiro Yamada
2022-05-05  7:22 ` [PATCH v3 01/15] modpost: mitigate false-negatives for static EXPORT_SYMBOL checks Masahiro Yamada
2022-05-05 19:25   ` Nicolas Schier
2022-05-05  7:22 ` [PATCH v3 02/15] modpost: change the license of EXPORT_SYMBOL to bool type Masahiro Yamada
2022-05-05 13:48   ` Masahiro Yamada
2022-05-05 19:53     ` Nicolas Schier
2022-05-05  7:22 ` [PATCH v3 03/15] modpost: merge add_{intree_flag, retpoline, staging_flag} to add_header Masahiro Yamada
2022-05-05 19:58   ` [PATCH v3 03/15] modpost: merge add_{intree_flag,retpoline,staging_flag} " Nicolas Schier
2022-05-05  7:22 ` [PATCH v3 04/15] modpost: move *.mod.c generation to write_mod_c_files() Masahiro Yamada
2022-05-05 20:06   ` Nicolas Schier
2022-05-05  7:22 ` [PATCH v3 05/15] kbuild: generate a list of objects in vmlinux Masahiro Yamada
2022-05-05  7:22 ` [PATCH v3 06/15] kbuild: record symbol versions in *.cmd files Masahiro Yamada
2022-05-05  7:22 ` [PATCH v3 07/15] modpost: extract symbol versions from " Masahiro Yamada
2022-05-05 20:09   ` Nicolas Schier
2022-05-05  7:22 ` [PATCH v3 08/15] kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS Masahiro Yamada
2022-05-05  7:22 ` [PATCH v3 09/15] kbuild: stop merging *.symversions Masahiro Yamada
2022-05-05 20:19   ` Nicolas Schier
2022-05-05  7:22 ` [PATCH v3 10/15] genksyms: adjust the output format to modpost Masahiro Yamada
2022-05-05 20:22   ` Nicolas Schier
2022-05-05  7:22 ` [PATCH v3 11/15] kbuild: do not create *.prelink.o for Clang LTO or IBT Masahiro Yamada
2022-05-05  7:22 ` [PATCH v3 12/15] modpost: simplify the ->is_static initialization Masahiro Yamada
2022-05-05 20:27   ` Nicolas Schier [this message]
2022-05-05  7:22 ` [PATCH v3 13/15] modpost: use hlist for hash table implementation Masahiro Yamada
2022-05-05  7:22 ` [PATCH v3 14/15] kbuild: make built-in.a rule robust against too long argument error Masahiro Yamada
2022-05-05 20:29   ` Nicolas Schier
2022-05-05 20:31   ` Nick Desaulniers
2022-05-05  7:22 ` [PATCH v3 15/15] kbuild: make *.mod " Masahiro Yamada
2022-05-05 20:31   ` Nicolas Schier
2022-05-05 16:49 ` [PATCH v3 00/15] kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS) Masahiro Yamada
2022-05-06 22:45 ` Nathan Chancellor
2022-05-08 18:28 ` Masahiro Yamada

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