summaryrefslogtreecommitdiff
path: root/include/linux/kconfig.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/kconfig.h')
-rw-r--r--include/linux/kconfig.h24
1 files changed, 16 insertions, 8 deletions
diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h
index be342b94c640..b33c7797eb57 100644
--- a/include/linux/kconfig.h
+++ b/include/linux/kconfig.h
@@ -23,14 +23,6 @@
#define ___config_enabled(__ignored, val, ...) val
/*
- * IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',
- * 0 otherwise.
- *
- */
-#define IS_ENABLED(option) \
- (config_enabled(option) || config_enabled(option##_MODULE))
-
-/*
* IS_BUILTIN(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y', 0
* otherwise. For boolean options, this is equivalent to
* IS_ENABLED(CONFIG_FOO).
@@ -43,4 +35,20 @@
*/
#define IS_MODULE(option) config_enabled(option##_MODULE)
+/*
+ * IS_REACHABLE(CONFIG_FOO) evaluates to 1 if the currently compiled
+ * code can call a function defined in code compiled based on CONFIG_FOO.
+ * This is similar to IS_ENABLED(), but returns false when invoked from
+ * built-in code when CONFIG_FOO is set to 'm'.
+ */
+#define IS_REACHABLE(option) (config_enabled(option) || \
+ (config_enabled(option##_MODULE) && config_enabled(MODULE)))
+
+/*
+ * IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',
+ * 0 otherwise.
+ */
+#define IS_ENABLED(option) \
+ (IS_BUILTIN(option) || IS_MODULE(option))
+
#endif /* __LINUX_KCONFIG_H */