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[73.78.62.130]) by smtp.googlemail.com with ESMTPSA id x3-20020a056602160300b006bba42f7822sm6408213iow.52.2022.12.05.16.35.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Dec 2022 16:35:08 -0800 (PST) From: Jim Cromie To: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, intel-gfx@lists.freedesktop.org Cc: jani.nikula@intel.com, ville.syrjala@linux.intel.com, daniel.vetter@ffwll.ch, seanpaul@chromium.org, robdclark@gmail.com, jbaron@akamai.com, gregkh@linuxfoundation.org, Jim Cromie Subject: [RFC PATCH 11/17] dyndbg-API: DYNDBG_CLASSMAP_USE drop extra args Date: Mon, 5 Dec 2022 17:34:18 -0700 Message-Id: <20221206003424.592078-12-jim.cromie@gmail.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221206003424.592078-1-jim.cromie@gmail.com> References: <20221206003424.592078-1-jim.cromie@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Drop macro args after _var. Since DYNDBG_CLASSMAP_USE no longer forwards to DYNDBG_CLASSMAP_DEFINE, it doesn't need those args to forward. Keep only the _var arg, which is the extern'd struct classmap with all the class info. Signed-off-by: Jim Cromie --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 12 +--------- drivers/gpu/drm/display/drm_dp_helper.c | 12 +--------- drivers/gpu/drm/drm_crtc_helper.c | 12 +--------- drivers/gpu/drm/i915/i915_params.c | 12 +--------- drivers/gpu/drm/nouveau/nouveau_drm.c | 12 +--------- include/linux/dynamic_debug.h | 30 ++++++++++++++----------- 6 files changed, 22 insertions(+), 68 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/= amdgpu/amdgpu_drv.c index 0075184b5d93..7bcc22ef5d49 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -189,17 +189,7 @@ int amdgpu_vcnfw_log; static void amdgpu_drv_delayed_reset_work_handler(struct work_struct *work= ); =20 #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) -DYNDBG_CLASSMAP_USE(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0, - "DRM_UT_CORE", - "DRM_UT_DRIVER", - "DRM_UT_KMS", - "DRM_UT_PRIME", - "DRM_UT_ATOMIC", - "DRM_UT_VBL", - "DRM_UT_STATE", - "DRM_UT_LEASE", - "DRM_UT_DP", - "DRM_UT_DRMRES"); +DYNDBG_CLASSMAP_USE(drm_debug_classes); #endif =20 struct amdgpu_mgpu_info mgpu_info =3D { diff --git a/drivers/gpu/drm/display/drm_dp_helper.c b/drivers/gpu/drm/disp= lay/drm_dp_helper.c index 8fa7a88299e7..3bc188cb1116 100644 --- a/drivers/gpu/drm/display/drm_dp_helper.c +++ b/drivers/gpu/drm/display/drm_dp_helper.c @@ -42,17 +42,7 @@ #include "drm_dp_helper_internal.h" =20 #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) -DYNDBG_CLASSMAP_USE(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0, - "DRM_UT_CORE", - "DRM_UT_DRIVER", - "DRM_UT_KMS", - "DRM_UT_PRIME", - "DRM_UT_ATOMIC", - "DRM_UT_VBL", - "DRM_UT_STATE", - "DRM_UT_LEASE", - "DRM_UT_DP", - "DRM_UT_DRMRES"); +DYNDBG_CLASSMAP_USE(drm_debug_classes); #endif =20 struct dp_aux_backlight { diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_h= elper.c index 2f747c9c8f60..5fb83336b015 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -52,17 +52,7 @@ #include "drm_crtc_helper_internal.h" =20 #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) -DYNDBG_CLASSMAP_USE(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0, - "DRM_UT_CORE", - "DRM_UT_DRIVER", - "DRM_UT_KMS", - "DRM_UT_PRIME", - "DRM_UT_ATOMIC", - "DRM_UT_VBL", - "DRM_UT_STATE", - "DRM_UT_LEASE", - "DRM_UT_DP", - "DRM_UT_DRMRES"); +DYNDBG_CLASSMAP_USE(drm_debug_classes); #endif =20 /** diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915= _params.c index b5b2542ae364..e959d0384ead 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -30,17 +30,7 @@ #include "i915_drv.h" =20 #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) -DYNDBG_CLASSMAP_USE(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0, - "DRM_UT_CORE", - "DRM_UT_DRIVER", - "DRM_UT_KMS", - "DRM_UT_PRIME", - "DRM_UT_ATOMIC", - "DRM_UT_VBL", - "DRM_UT_STATE", - "DRM_UT_LEASE", - "DRM_UT_DP", - "DRM_UT_DRMRES"); +DYNDBG_CLASSMAP_USE(drm_debug_classes); #endif =20 #define i915_param_named(name, T, perm, desc) \ diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouvea= u/nouveau_drm.c index 2963cf5b0807..609edeb2a117 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -72,17 +72,7 @@ #include "nouveau_dmem.h" =20 #if defined(CONFIG_DRM_USE_DYNAMIC_DEBUG) -DYNDBG_CLASSMAP_USE(drm_debug_classes, DD_CLASS_TYPE_DISJOINT_BITS, 0, - "DRM_UT_CORE", - "DRM_UT_DRIVER", - "DRM_UT_KMS", - "DRM_UT_PRIME", - "DRM_UT_ATOMIC", - "DRM_UT_VBL", - "DRM_UT_STATE", - "DRM_UT_LEASE", - "DRM_UT_DP", - "DRM_UT_DRMRES"); +DYNDBG_CLASSMAP_USE(drm_debug_classes); #endif =20 MODULE_PARM_DESC(config, "option string to pass to driver core"); diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index dabbe1a9180c..0088fc354c98 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -92,13 +92,15 @@ struct ddebug_class_map { }; =20 /** - * DYNDBG_CLASSMAP_DEFINE - define the class_map that names the - * debug classes used in this module. This tells dyndbg the authorized - * classnames it should manipulate. - * @_var: a struct ddebug_class_map, passed to module_param_cb + * DYNDBG_CLASSMAP_DEFINE - define debug-classes used by a module. + * @_var: name of the classmap, exported for other modules coordinated u= se. * @_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 + * @classes: enum-map - symbol names are "classnames", vals are .class_ids + * + * @classes vals are _ddebug.class_ids used in the module, the symbol + * names are stringified; they authorize "class FOO" to >control. + * Connection to a kernel-param is done separately. */ #define DYNDBG_CLASSMAP_DEFINE(_var, _maptype, _base, ...) \ const char *_var##_classnames[] =3D { __VA_ARGS__ }; \ @@ -118,16 +120,18 @@ struct ddebug_class_user { struct ddebug_class_map *map; }; /** - * DYNDBG_CLASSMAP_USE - Use a classmap DEFINEd in another module. - * This lets dyndbg initialize the dependent module's prdbgs from the - * other module's controlling sysfs node. + * DYNDBG_CLASSMAP_USE - refer to a classmap, DEFINEd elsewhere. + * @_var: name of the exported classmap + * + * This registers the module's use of another module's classmap defn, + * allowing dyndbg to find the controlling kparam, and propagate its + * settings to the dependent module being loaded. */ -#define DYNDBG_CLASSMAP_USE(_var, ...) \ - DYNDBG_CLASSMAP_USE_(_var, __UNIQUE_ID(ddebug_class_user), \ - __VA_ARGS__) -#define DYNDBG_CLASSMAP_USE_(_var, _uname, ...) \ +#define DYNDBG_CLASSMAP_USE(_var) \ + DYNDBG_CLASSMAP_USE_(_var, __UNIQUE_ID(ddebug_class_user)) +#define DYNDBG_CLASSMAP_USE_(_var, _uname) \ extern struct ddebug_class_map _var[]; \ - static struct ddebug_class_user __used \ + struct ddebug_class_user __used \ __section("__dyndbg_class_refs") _uname =3D { \ .user_mod_name =3D KBUILD_MODNAME, \ .map =3D _var, \ --=20 2.38.1