gcc-3.3 warns about 2.5.59 EXPORT_SYMBOL
PATCH 1/1 gcc-3.3 warns about 2.5.59 EXPORT_SYMBOL
When building linux-2.5.59 with gcc-3.3 (on s390, if that matters), I get a warning like "warning: `__ksymtab___foo' defined but not used" each time that EXPORT_SYMBOL is used.
The patch below fixes this.
Arnd <><
include/linux/module.h +2 -2
@@ -145,7 +145,7 @@ __attribute__((section("__ksymtab_strings"))) \ = MODULE_SYMBOL_PREFIX #sym; \ static const struct kernel_symbol __ksymtab_##sym \ - __attribute__((section("__ksymtab"))) \ + __attribute__((section("__ksymtab"),unused)) \ = { (unsigned long)&sym, __kstrtab_##sym }#define EXPORT_SYMBOL_NOVERS (sym) EXPORT_SYMBOL(sym)
@@ -155,7 +155,7 @@ __attribute__((section("__ksymtab_strings"))) \ = MODULE_SYMBOL_PREFIX #sym; \ static const struct kernel_symbol __ksymtab_##sym \ - __attribute__((section("__gpl_ksymtab"))) \ + __attribute__((section("__gpl_ksymtab"),unused)) \ = { (unsigned long)&sym, __kstrtab_##sym }struct module_ref