Re: [PATCH v8 12/13] module: Move kdb_modules list out of core code

Christophe Leroy
2022-02-22T18:06:02Z

+ Daniel and Jason.

The full series is available at
https://patchwork.kernel.org/project/linux-modules/list/?series=616741&state=*

Le 22/02/2022 à 15:13, Aaron Tomlin a écrit :
> No functional change.
>
> This patch migrates kdb_modules list to core kdb code
> since the list of added/or loaded modules is no longer
> private.
>
> Signed-off-by: Aaron Tomlin <atomlin@redhat.com>

Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>

> ---
> kernel/debug/kdb/kdb_main.c | 5 +++++
> kernel/debug/kdb/kdb_private.h | 4 ----

This patch (and the cover letter) should be copied to KDB maintainers
and KDB list

You can use the following command to findout who they are:

[chleroy@PO20335 linux-powerpc]$ ./scripts/get_maintainer.pl -f
kernel/debug/kdb/kdb_main.c
Jason Wessel <jason.wessel@windriver.com> (maintainer:KGDB / KDB
/debug_core)
Daniel Thompson <daniel.thompson@linaro.org> (maintainer:KGDB / KDB
/debug_core,commit_signer:11/14=79%)
Douglas Anderson <dianders@chromium.org> (reviewer:KGDB / KDB
/debug_core,commit_signer:8/14=57%)
kgdb-bugreport@lists.sourceforge.net (open list:KGDB / KDB /debug_core)
linux-kernel@vger.kernel.org (open list)

> kernel/module/main.c | 4 ----
> 3 files changed, 5 insertions(+), 8 deletions(-)
>
> diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
> index 0852a537dad4..5369bf45c5d4 100644
> --- a/kernel/debug/kdb/kdb_main.c
> +++ b/kernel/debug/kdb/kdb_main.c
> @@ -59,6 +59,11 @@ EXPORT_SYMBOL(kdb_grepping_flag);
> int kdb_grep_leading;
> int kdb_grep_trailing;
>
> +#ifdef CONFIG_MODULES
> +extern struct list_head modules;
> +static struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */
> +#endif /* CONFIG_MODULES */
> +
> /*
> * Kernel debugger state flags
> */
> diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
> index 0d2f9feea0a4..1f8c519a5f81 100644
> --- a/kernel/debug/kdb/kdb_private.h
> +++ b/kernel/debug/kdb/kdb_private.h
> @@ -226,10 +226,6 @@ extern void kdb_kbd_cleanup_state(void);
> #define kdb_kbd_cleanup_state()
> #endif /* ! CONFIG_KDB_KEYBOARD */
>
> -#ifdef CONFIG_MODULES
> -extern struct list_head *kdb_modules;
> -#endif /* CONFIG_MODULES */
> -
> extern char kdb_prompt_str[];
>
> #define KDB_WORD_SIZE ((int)sizeof(unsigned long))
> diff --git a/kernel/module/main.c b/kernel/module/main.c
> index b8a59b5c3e3a..bcc4f7a82649 100644
> --- a/kernel/module/main.c
> +++ b/kernel/module/main.c
> @@ -108,10 +108,6 @@ static void mod_update_bounds(struct module *mod)
> __mod_update_bounds(mod->init_layout.base, mod->init_layout.size);
> }
>
> -#ifdef CONFIG_KGDB_KDB
> -struct list_head *kdb_modules = &modules; /* kdb needs the list of modules */
> -#endif /* CONFIG_KGDB_KDB */
> -
> static void module_assert_mutex_or_preempt(void)
> {
> #ifdef CONFIG_LOCKDEP