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Subject[PATCH 27/74] lto: Mark EXPORT_SYMBOL symbols __visible
Date
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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