From: Christophe Leroy <christophe.leroy@csgroup•eu>
To: Christoph Hellwig <hch@lst•de>,
Frederic Barrat <fbarrat@linux•ibm.com>,
Andrew Donnellan <ajd@linux•ibm.com>,
Maarten Lankhorst <maarten.lankhorst@linux•intel.com>,
Maxime Ripard <mripard@kernel•org>,
Thomas Zimmermann <tzimmermann@suse•de>,
David Airlie <airlied@linux•ie>, Daniel Vetter <daniel@ffwll•ch>,
Jessica Yu <jeyu@kernel•org>,
Josh Poimboeuf <jpoimboe@redhat•com>,
Jiri Kosina <jikos@kernel•org>, Miroslav Benes <mbenes@suse•cz>,
Petr Mladek <pmladek@suse•com>,
Joe Lawrence <joe.lawrence@redhat•com>
Cc: Michal Marek <michal.lkml@markovi•net>,
linux-kbuild@vger•kernel.org,
Masahiro Yamada <masahiroy@kernel•org>,
linux-kernel@vger•kernel.org, dri-devel@lists•freedesktop.org,
live-patching@vger•kernel.org, linuxppc-dev@lists•ozlabs.org
Subject: Re: [PATCH 02/13] module: add a module_loaded helper
Date: Thu, 21 Jan 2021 11:00:20 +0100 [thread overview]
Message-ID: <844a7fc3-2cba-46d2-fd4e-e5fe16b08573@csgroup.eu> (raw)
In-Reply-To: <20210121074959.313333-3-hch@lst.de>
Le 21/01/2021 à 08:49, Christoph Hellwig a écrit :
> Add a helper that takes modules_mutex and uses find_module to check if a
> given module is loaded. This provides a better abstraction for the two
> callers, and allows to unexport modules_mutex and find_module.
>
> Signed-off-by: Christoph Hellwig <hch@lst•de>
> ---
> drivers/gpu/drm/drm_fb_helper.c | 7 +------
> include/linux/module.h | 3 +++
> kernel/module.c | 14 ++++++++++++--
> kernel/trace/trace_kprobe.c | 4 +---
> 4 files changed, 17 insertions(+), 11 deletions(-)
>
> diff --git a/include/linux/module.h b/include/linux/module.h
> index 7a0bcb5b1ffccd..b4654f8a408134 100644
> --- a/include/linux/module.h
> +++ b/include/linux/module.h
> @@ -589,6 +589,9 @@ static inline bool within_module(unsigned long addr, const struct module *mod)
> /* Search for module by name: must hold module_mutex. */
> struct module *find_module(const char *name);
> +/* Check if a module is loaded. */
> +bool module_loaded(const char *name);
Maybe module_is_loaded() would be a better name.
next prev parent reply other threads:[~2021-01-21 10:04 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-21 7:49 module loader dead code removal and cleanusp Christoph Hellwig
2021-01-21 7:49 ` [PATCH 01/13] powerpc/powernv: remove get_cxl_module Christoph Hellwig
2021-01-21 9:09 ` Andrew Donnellan
2021-01-21 7:49 ` [PATCH 02/13] module: add a module_loaded helper Christoph Hellwig
2021-01-21 9:59 ` Christophe Leroy
2021-01-21 10:13 ` David Laight
2021-01-21 10:17 ` Christophe Leroy
2021-01-21 10:00 ` Christophe Leroy [this message]
2021-01-21 17:11 ` Christoph Hellwig
2021-01-21 17:44 ` David Laight
2021-01-21 7:49 ` [PATCH 03/13] livepatch: refactor klp_init_object Christoph Hellwig
2021-01-27 12:58 ` Petr Mladek
2021-01-28 16:22 ` Christoph Hellwig
2021-01-28 16:24 ` Christoph Hellwig
2021-01-21 7:49 ` [PATCH 04/13] livepatch: move klp_find_object_module to module.c Christoph Hellwig
2021-01-21 21:45 ` Josh Poimboeuf
2021-01-26 14:25 ` Jessica Yu
2021-01-27 11:55 ` Petr Mladek
2021-01-21 7:49 ` [PATCH 05/13] kallsyms: refactor {,module_}kallsyms_on_each_symbol Christoph Hellwig
2021-01-21 7:49 ` [PATCH 06/13] kallsyms: only build {, module_}kallsyms_on_each_symbol when required Christoph Hellwig
2021-01-21 7:49 ` [PATCH 07/13] module: mark module_mutex static Christoph Hellwig
2021-01-21 7:49 ` [PATCH 08/13] drm: remove drm_fb_helper_modinit Christoph Hellwig
2021-01-21 8:25 ` Daniel Vetter
2021-01-21 8:28 ` Christoph Hellwig
2021-01-21 8:39 ` Daniel Vetter
2021-01-21 7:49 ` [PATCH 09/13] module: remove each_symbol_in_section Christoph Hellwig
2021-01-21 7:49 ` [PATCH 10/13] module: merge each_symbol_section into find_symbol Christoph Hellwig
2021-01-21 7:49 ` [PATCH 11/13] module: pass struct find_symbol_args to find_symbol Christoph Hellwig
2021-01-21 7:49 ` [PATCH 12/13] module: remove EXPORT_SYMBOL_GPL_FUTURE Christoph Hellwig
2021-01-21 7:49 ` [PATCH 13/13] module: remove EXPORY_UNUSED_SYMBOL* Christoph Hellwig
2021-01-27 13:49 ` Jessica Yu
2021-01-28 16:09 ` Christoph Hellwig
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