diff options
Diffstat (limited to 'include/linux/export.h')
| -rw-r--r-- | include/linux/export.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/export.h b/include/linux/export.h index 77afdb2a2506..2f9ccbe6a639 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -65,7 +65,18 @@ extern struct module __this_module; __attribute__((section("___ksymtab" sec "+" #sym), unused)) \ = { (unsigned long)&sym, __kstrtab_##sym } -#ifdef CONFIG_TRIM_UNUSED_KSYMS +#if defined(__KSYM_DEPS__) + +/* + * For fine grained build dependencies, we want to tell the build system + * about each possible exported symbol even if they're not actually exported. + * We use a string pattern that is unlikely to be valid code that the build + * system filters out from the preprocessor output (see ksym_dep_filter + * in scripts/Kbuild.include). + */ +#define __EXPORT_SYMBOL(sym, sec) === __KSYM_##sym === + +#elif defined(CONFIG_TRIM_UNUSED_KSYMS) #include <linux/kconfig.h> #include <generated/autoksyms.h> |