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[98.38.17.99]) by smtp.googlemail.com with ESMTPSA id 586e51a60fabf-41cc7760c08sm3075171fac.4.2026.03.26.11.54.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Mar 2026 11:54:38 -0700 (PDT) From: Jim Cromie To: linux-kernel@vger.kernel.org, airlied@gmail.com, simona@ffwll.ch, jbaron@akamai.com, gregkh@linuxfoundation.org Cc: jim.cromie@gmail.com, mripard@kernel.org, tzimmermann@suse.de, maarten.lankhorst@linux.intel.com, jani.nikula@intel.com, ville.syrjala@linux.intel.com, christian.koenig@amd.com, matthew.auld@intel.com, arunpravin.paneerselvam@amd.com, louis.chauvet@bootlin.com, skhan@linuxfoundation.org, pmladek@suse.com, ukaszb@chromium.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, amd-gfx@lists.freedesktop.org Subject: [PATCH v12 06/69] dyndbg: add stub macro for DECLARE_DYNDBG_CLASSMAP Date: Thu, 26 Mar 2026 12:53:10 -0600 Message-ID: <20260326185413.1205870-7-jim.cromie@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260326185413.1205870-1-jim.cromie@gmail.com> References: <20260326185413.1205870-1-jim.cromie@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the stub macro for !DYNAMIC_DEBUG builds, after moving the original macro-defn down under the big ifdef. Do it now so future changes have a cleaner starting point. Signed-off-by: Jim Cromie --- include/linux/dynamic_debug.h | 43 ++++++++++++++++++----------------- 1 file changed, 22 insertions(+), 21 deletions(-) diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index 05743900a116..a10adac8e8f0 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -93,27 +93,6 @@ struct ddebug_class_map { enum class_map_type map_type; }; =20 -/** - * DECLARE_DYNDBG_CLASSMAP - declare classnames known by a module - * @_var: a struct ddebug_class_map, passed to module_param_cb - * @_type: enum class_map_type, chooses bits/verbose, numeric/symbolic - * @_base: offset of 1st class-name. splits .class_id space - * @classes: class-names used to control class'd prdbgs - */ -#define DECLARE_DYNDBG_CLASSMAP(_var, _maptype, _base, ...) \ - static const char *_var##_classnames[] =3D { __VA_ARGS__ }; \ - static struct ddebug_class_map __aligned(8) __used \ - __section("__dyndbg_classes") _var =3D { \ - .mod =3D THIS_MODULE, \ - .mod_name =3D KBUILD_MODNAME, \ - .base =3D _base, \ - .map_type =3D _maptype, \ - .length =3D NUM_TYPE_ARGS(char*, __VA_ARGS__), \ - .class_names =3D _var##_classnames, \ - } -#define NUM_TYPE_ARGS(eltype, ...) \ - (sizeof((eltype[]){__VA_ARGS__}) / sizeof(eltype)) - /* encapsulate linker provided built-in (or module) dyndbg data */ struct _ddebug_info { struct _ddebug *descs; @@ -138,6 +117,27 @@ struct ddebug_class_param { #if defined(CONFIG_DYNAMIC_DEBUG) || \ (defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE)) =20 +/** + * DECLARE_DYNDBG_CLASSMAP - declare classnames known by a module + * @_var: a struct ddebug_class_map, passed to module_param_cb + * @_type: enum class_map_type, chooses bits/verbose, numeric/symbolic + * @_base: offset of 1st class-name. splits .class_id space + * @classes: class-names used to control class'd prdbgs + */ +#define DECLARE_DYNDBG_CLASSMAP(_var, _maptype, _base, ...) \ + static const char *_var##_classnames[] =3D { __VA_ARGS__ }; \ + static struct ddebug_class_map __aligned(8) __used \ + __section("__dyndbg_classes") _var =3D { \ + .mod =3D THIS_MODULE, \ + .mod_name =3D KBUILD_MODNAME, \ + .base =3D _base, \ + .map_type =3D _maptype, \ + .length =3D NUM_TYPE_ARGS(char*, __VA_ARGS__), \ + .class_names =3D _var##_classnames, \ + } +#define NUM_TYPE_ARGS(eltype, ...) \ + (sizeof((eltype[]) {__VA_ARGS__}) / sizeof(eltype)) + extern __printf(2, 3) void __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...); =20 @@ -314,6 +314,7 @@ void __dynamic_ibdev_dbg(struct _ddebug *descriptor, =20 #define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) #define DYNAMIC_DEBUG_BRANCH(descriptor) false +#define DECLARE_DYNDBG_CLASSMAP(...) =20 #define dynamic_pr_debug(fmt, ...) \ no_printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) --=20 2.53.0