[PATCH] add EXPORT_SYMBOL_GPL_FUTURE()
This patch adds the ability to mark symbols that will be changed in the
future, so that kernel modules that don't include MODULE_LICENSE("GPL")
and use the symbols, will be flagged and printed out to the system log.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/module.h b/include/linux/module.h
index 84d75f3..a25d5f6 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -198,6 +198,9 @@
#define EXPORT_SYMBOL_GPL(sym) \
__EXPORT_SYMBOL(sym, "_gpl")
+#define EXPORT_SYMBOL_GPL_FUTURE(sym) \
+ __EXPORT_SYMBOL(sym, "_gpl_future")
+
#endif
struct module_ref
@@ -255,6 +258,11 @@
unsigned int num_gpl_syms;
const unsigned long *gpl_crcs;
+ /* symbols that will be GPL-only in the near future. */
+ const struct kernel_symbol *gpl_future_syms;
+ unsigned int num_gpl_future_syms;
+ const unsigned long *gpl_future_crcs;
+
/* Exception table */
unsigned int num_exentries;
const struct exception_table_entry *extable;
@@ -441,6 +449,7 @@
#else /* !CONFIG_MODULES... */
#define EXPORT_SYMBOL(sym)
#define EXPORT_SYMBOL_GPL(sym)
+#define EXPORT_SYMBOL_GPL_FUTURE(sym)
/* Given an address, look for it in the exception tables. */
static inline const struct exception_table_entry *