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[PATCH] add EXPORT_SYMBOL_GPL_FUTURE()

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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>
This commit is contained in:
Greg Kroah-Hartman
2006-03-20 13:17:13 -08:00
parent 3fd6805f4d
commit 9f28bb7e1d
7 changed files with 138 additions and 50 deletions
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9
include/linux/module.h
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@@ -198,6 +198,9 @@ void *__symbol_get_gpl(const char *symbol);
#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 @@ struct module
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 @@ void module_remove_driver(struct device_driver *);
#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 *