| From | Andi Kleen <> | Subject | [PATCH 27/74] lto: Mark EXPORT_SYMBOL symbols __visible | Date | Sat, 18 Aug 2012 19:56:23 -0700 |
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From: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Andi Kleen <ak@linux.intel.com> --- include/linux/export.h | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/include/linux/export.h b/include/linux/export.h index 696c0f4..784617e 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -47,7 +47,7 @@ extern struct module __this_module; /* For every exported symbol, place a struct in the __ksymtab section */ #define __EXPORT_SYMBOL(sym, sec) \ - extern typeof(sym) sym; \ + extern typeof(sym) sym __visible; \ __CRC_SYMBOL(sym, sec) \ static const char __kstrtab_##sym[] \ __attribute__((section("__ksymtab_strings"), aligned(1))) \ @@ -78,11 +78,13 @@ extern struct module __this_module; #else /* !CONFIG_MODULES... */ -#define EXPORT_SYMBOL(sym) -#define EXPORT_SYMBOL_GPL(sym) -#define EXPORT_SYMBOL_GPL_FUTURE(sym) -#define EXPORT_UNUSED_SYMBOL(sym) -#define EXPORT_UNUSED_SYMBOL_GPL(sym) +/* Even without modules keep the __visible side effect */ + +#define EXPORT_SYMBOL(sym) extern typeof(sym) sym __visible +#define EXPORT_SYMBOL_GPL(sym) extern typeof(sym) sym __visible +#define EXPORT_SYMBOL_GPL_FUTURE(sym) extern typeof(sym) sym __visible +#define EXPORT_UNUSED_SYMBOL(sym) extern typeof(sym) sym __visible +#define EXPORT_UNUSED_SYMBOL_GPL(sym) extern typeof(sym) sym __visible #endif /* CONFIG_MODULES */ -- 1.7.7.6
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