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[98.38.17.99]) by smtp.googlemail.com with ESMTPSA id 586e51a60fabf-44cbec93702sm3189652fac.12.2026.07.02.09.41.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2026 09:41:18 -0700 (PDT) From: Jim Cromie Date: Thu, 02 Jul 2026 10:40:55 -0600 Subject: [PATCH v5 03/18] dyndbg: reword "class unknown," to "class:_UNKNOWN_" 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: <20260702-dd-maint-2-v5-3-24f22b052bf2@gmail.com> References: <20260702-dd-maint-2-v5-0-24f22b052bf2@gmail.com> In-Reply-To: <20260702-dd-maint-2-v5-0-24f22b052bf2@gmail.com> To: Andrew Morton , Jason Baron , Jim Cromie , Jonathan Corbet , Shuah Khan , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Arnd Bergmann , Luis Chamberlain , Petr Pavlu , Daniel Gomez , Sami Tolvanen , Aaron Tomlin Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arch@vger.kernel.org, linux-modules@vger.kernel.org, Louis Chauvet X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1783010473; l=1363; i=jim.cromie@gmail.com; s=20260203; h=from:subject:message-id; bh=VSikVomK4BH1ns73BMbLgc83yqlpizqOwQQtNSd/MAc=; b=f0lvV79do3jHCXCXSsYbRpRtarC9mgVSKkhulER6lRcGhcvk+QN8AmvDyyE0Yrb439HzJKCM9 5692WESkvotCUwwymrnmi79GE4b/yzm8Zs7jmAni+A9AaI16Dt2MWCi X-Developer-Key: i=jim.cromie@gmail.com; a=ed25519; pk=C6E5ODlPQo7ZBynATXH9wg7K6HxP0pIXyf4s38Qw0XE= When a dyndbg classname is unknown to a kernel module, the callsite is un-addressable via >control queries, and therefore uncontrollable. The control-file displays this condition as "class unknown," currently. That spelling is sub-optimal/too-generic, so change it to "class:_UNKNOWN_" to loudly announce the erroneous situation, and to make it uniquely greppable. NB: while this might be seen as a user-visible change, this shouldn't disqualify the change: a- it reports a classmap coding error condition, which should be detected in (or before) review. b- SHOUTING the error makes it more visible, uniquely greppable. c- the classmap feature is marked BROKEN for its only current user. Signed-off-by: Jim Cromie Reviewed-by: Louis Chauvet --- lib/dynamic_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c index 577a07916072..a86e1d5845e6 100644 --- a/lib/dynamic_debug.c +++ b/lib/dynamic_debug.c @@ -1170,7 +1170,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p) if (class) seq_printf(m, " class:%s", class); else - seq_printf(m, " class unknown, _id:%d", dp->class_id); + seq_printf(m, " class:_UNKNOWN_ _id:%d", dp->class_id); } seq_putc(m, '\n'); -- 2.54.0