Thread (15 messages) 15 messages, 5 authors, 2025-10-21

Re: [PATCH v9 4/4] tracing: Add warnings for unused tracepoints for modules

From: Nicolas Schier <nsc@kernel.org>
Date: 2025-10-17 20:46:31
Also in: linux-kbuild, lkml

On Wed, Oct 15, 2025 at 04:19:28PM -0700, Nathan Chancellor wrote:
Hi Steve,

On Wed, Oct 15, 2025 at 04:38:46PM -0400, Steven Rostedt wrote:
quoted
diff --git a/scripts/Makefile.modfinal b/scripts/Makefile.modfinal
index 542ba462ed3e..6f909979af91 100644
--- a/scripts/Makefile.modfinal
+++ b/scripts/Makefile.modfinal
@@ -28,6 +28,12 @@ ccflags-remove-y := $(CC_FLAGS_CFI)
 .module-common.o: $(srctree)/scripts/module-common.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
+ifneq ($(WARN_ON_UNUSED_TRACEPOINTS),"")
Drop the "", nowhere else in Kbuild appears to do this.
quoted
+cmd_check_tracepoint = ${objtree}/scripts/tracepoint-update $<;
Please use $(objtree) to be consistent with the rest of Kbuild.
quoted
+else
+cmd_check_tracepoint =
+endif
The else part is not required, cp. definition of e.g. cmd_checkdoc in
scripts/Makefile.build.

Kind regards
Nicolas
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