commit a1ed4ddfb780910c1bb1e9df9cfc87454b607489
author Andi Kleen <ak@linux.intel.com> Mon Aug 05 15:02:38 2013 -0700
committer H. Peter Anvin <hpa@linux.intel.com> Tue Aug 06 14:18:26 2013 -0700
tree 07714ef5692ead5c97563d8e906083fc67927646
parent 1d9090e2fb32c84277cef6e72a21be7f78c929f4

x86, asmlinkage: Make _*_start_kernel visible

Obviously these functions have to be visible, otherwise
the whole kernel could be optimized away.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1375740170-7446-5-git-send-email-andi@firstfloor.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/include/asm/setup.h

diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index b7bf350..3475554 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -6,6 +6,8 @@
 
 #define COMMAND_LINE_SIZE 2048
 
+#include <linux/linkage.h>
+
 #ifdef __i386__
 
 #include <linux/pfn.h>
@@ -108,11 +110,11 @@
 extern void probe_roms(void);
 #ifdef __i386__
 
-void __init i386_start_kernel(void);
+asmlinkage void __init i386_start_kernel(void);
 
 #else
-void __init x86_64_start_kernel(char *real_mode);
-void __init x86_64_start_reservations(char *real_mode_data);
+asmlinkage void __init x86_64_start_kernel(char *real_mode);
+asmlinkage void __init x86_64_start_reservations(char *real_mode_data);
 
 #endif /* __i386__ */
 #endif /* _SETUP */