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[98.38.17.99]) by smtp.googlemail.com with ESMTPSA id 5614622812f47-4799fead505sm14329744b6e.2.2026.04.23.13.54.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Apr 2026 13:54:57 -0700 (PDT) From: Jim Cromie Date: Thu, 23 Apr 2026 14:53:52 -0600 Subject: [PATCH v14 11/92] dyndbg: make ddebug_class_param union members same size Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260423-submit-dyndbg-classmap-foundation-v14-11-2b809a8019d0@gmail.com> References: <20260423-submit-dyndbg-classmap-foundation-v14-0-2b809a8019d0@gmail.com> In-Reply-To: <20260423-submit-dyndbg-classmap-foundation-v14-0-2b809a8019d0@gmail.com> To: Arnd Bergmann , Jason Baron , Luis Chamberlain , Petr Pavlu , Daniel Gomez , Sami Tolvanen , Aaron Tomlin , Andrew Morton , Jonathan Corbet , Shuah Khan , Shuah Khan , Greg Kroah-Hartman , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , Alex Deucher , =?utf-8?q?Christian_K=C3=B6nig?= , David Airlie , Gerd Hoffmann , Dmitry Osipenko , Gurchetan Singh , Chia-I Wu , Matthew Brost , =?utf-8?q?Thomas_Hellstr=C3=B6m?= , Lyude Paul , Danilo Krummrich , Patrik Jakobsson , Zack Rusin , Broadcom internal kernel review list , Louis Chauvet , Haneen Mohammed , Melissa Wen , Sean Paul , Jocelyn Falempe , Ruben Wauters , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , Xinliang Liu , Tian Tao , Xinwei Kong , Sumit Semwal , Yongqin Liu , John Stultz , Philipp Zabel , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Chun-Kuang Hu , Matthias Brugger , AngeloGioacchino Del Regno , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Andy Yan , Alain Volmat , Raphael Gallais-Pou , Yannick Fertre , Raphael Gallais-Pou , Philippe Cornu , Maxime Coquelin , Alexandre Torgue , Oded Gabbay , Maciej Falkowski , Karol Wachowski , "Rob Herring (Arm)" , Tomeu Vizoso , Liviu Dudau , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Liu Ying , Laurentiu Palcu , Lucas Stach , Paul Kocialkowski , Jianmin Lv , Qianhai Wu , Huacai Chen , Mingcong Bai , Xi Ruoyao , Icenowy Zheng , Laurent Pinchart , Tomi Valkeinen , Kieran Bingham , Geert Uytterhoeven , Magnus Damm , Javier Martinez Canillas , Huang Rui , Matthew Auld , Jani Nikula , Luca Coelho , Russell King , Christian Gmeiner Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-modules@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, virtualization@lists.linux.dev, intel-xe@lists.freedesktop.org, nouveau@lists.freedesktop.org, spice-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-renesas-soc@vger.kernel.org, etnaviv@lists.freedesktop.org, Jim Cromie X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1776977636; l=1479; i=jim.cromie@gmail.com; s=20260203; h=from:subject:message-id; bh=u5K5LyAR3nduZ9uYNLcH0Ml0SCvaXWSVYWZzdtQqFQ0=; b=BwqYVXrj7tbCyuE3yuOq/lyxx2ju6pbTXiqpZ7eBU5OiT93pG4WNojxXxu/5WD0JGR4iMpceB gZqSgyxc2D0C00QMgyFHR/Vqp9F39MflhbB9cQ7LMd6NXCLx1ABAvFL X-Developer-Key: i=jim.cromie@gmail.com; a=ed25519; pk=C6E5ODlPQo7ZBynATXH9wg7K6HxP0pIXyf4s38Qw0XE= struct ddebug_class_param keeps a ref to the state-storage of the param; make both class-types use the same unsigned long storage type. ISTM this is simpler and safer; it avoids an irrelevant difference, and if 2 users somehow get class-type mixed up (or refer to the wrong union member), at least they will both see the same value. Reviewed-by: Louis Chauvet Signed-off-by: Jim Cromie --- include/linux/dynamic_debug.h | 2 +- lib/dynamic_debug.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index a10adac8e8f0..441305277914 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -104,7 +104,7 @@ struct _ddebug_info { struct ddebug_class_param { union { unsigned long *bits; - unsigned int *lvl; + unsigned long *lvl; }; char flags[8]; const struct ddebug_class_map *map; diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index a9caf84ddb22..ffa1cf7c2c72 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -811,7 +811,7 @@ int param_get_dyndbg_classes(char *buffer, const struct kernel_param *kp) case DD_CLASS_TYPE_LEVEL_NAMES: case DD_CLASS_TYPE_LEVEL_NUM: - return scnprintf(buffer, PAGE_SIZE, "%d\n", *dcp->lvl); + return scnprintf(buffer, PAGE_SIZE, "%ld\n", *dcp->lvl); default: return -1; } -- 2.53.0