linux-kernel - [PATCH v4 16/21] dyndbg-test: make it build with just CONFIG_DYNAMIC_DEBUG

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Date:   Thu, 13 Jul 2023 10:36:21 -0600
From:   Jim Cromie <jim.cromie@...il.com>
To:     jbaron@...mai.com, daniel.vetter@...ll.ch,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org
Cc:     jani.nikula@...el.com, ville.syrjala@...ux.intel.com,
        seanpaul@...omium.org, robdclark@...il.com,
        gregkh@...uxfoundation.org, Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH v4 16/21] dyndbg-test: make it build with just CONFIG_DYNAMIC_DEBUG_CORE

To make the 2 test modules buildable with CONFIG_DYNAMIC_DEBUG_CORE,
add CFLAGS_$ofile defns to supply -DDYNAMIC_DEBUG_MODULE to cc.
And change the Kconfig entry to allow building with just _CORE.

Signed-off-by: Jim Cromie <jim.cromie@...il.com>
---
 lib/Kconfig.debug | 10 +++++-----
 lib/Makefile      |  2 ++
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ce51d4dc6803..d4fbbcc395d2 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2695,12 +2695,12 @@ config TEST_STATIC_KEYS
 	  If unsure, say N.
 
 config TEST_DYNAMIC_DEBUG
-	tristate "Test DYNAMIC_DEBUG"
-	depends on DYNAMIC_DEBUG
+	tristate "Build test-dynamic-debug module"
+	depends on DYNAMIC_DEBUG || DYNAMIC_DEBUG_CORE
 	help
-	  This module registers a tracer callback to count enabled
-	  pr_debugs in a 'do_debugging' function, then alters their
-	  enablements, calls the function, and compares counts.
+	  This module works/demo's the dyndbg's classmap API, by
+	  creating 2 classes: a DISJOINT classmap (like DRM.debug)
+	  and a LEVELS/VERBOSE classmap (where 2>1).
 
 	  If unsure, say N.
 
diff --git a/lib/Makefile b/lib/Makefile
index f36048371dd2..8411015a57c1 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -233,6 +233,8 @@ obj-$(CONFIG_HAVE_ARCH_TRACEHOOK) += syscall.o
 obj-$(CONFIG_DYNAMIC_DEBUG_CORE) += dynamic_debug.o
 #ensure exported functions have prototypes
 CFLAGS_dynamic_debug.o := -DDYNAMIC_DEBUG_MODULE
+CFLAGS_test_dynamic_debug.o := -DDYNAMIC_DEBUG_MODULE
+CFLAGS_test_dynamic_debug_submod.o := -DDYNAMIC_DEBUG_MODULE
 
 obj-$(CONFIG_SYMBOLIC_ERRNAME) += errname.o
 
-- 
2.41.0