commit 277d5b40b7bf495d2d4193746181b17dd98441b2
author Andi Kleen <ak@linux.intel.com> Mon Aug 05 15:02:43 2013 -0700
committer H. Peter Anvin <hpa@linux.intel.com> Tue Aug 06 14:20:13 2013 -0700
tree 105ebee6f6306e1a1cf1abfb3ba0da30d388447d
parent 04bb591ca74fb8ea06d5ab7fadfb7bf5b11fb28e

x86, asmlinkage: Make several variables used from assembler/linker script visible

Plus one function, load_gs_index().

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Link: http://lkml.kernel.org/r/1375740170-7446-10-git-send-email-andi@firstfloor.org
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/include/asm/pgtable.h

diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 7dc305a..4e47659 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -22,7 +22,8 @@
  * ZERO_PAGE is a global shared page that is always zero: used
  * for zero-mapped memory areas etc..
  */
-extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
+extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]
+	__visible;
 #define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page))
 
 extern spinlock_t pgd_lock;

arch/x86/include/asm/processor.h

diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index 24cf5ae..573c1ad 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -412,7 +412,7 @@
 	};
 };
 
-DECLARE_PER_CPU_FIRST(union irq_stack_union, irq_stack_union);
+DECLARE_PER_CPU_FIRST(union irq_stack_union, irq_stack_union) __visible;
 DECLARE_INIT_PER_CPU(irq_stack_union);
 
 DECLARE_PER_CPU(char *, irq_stack_ptr);

arch/x86/include/asm/special_insns.h

diff --git a/arch/x86/include/asm/special_insns.h b/arch/x86/include/asm/special_insns.h
index 2f4d924..645cad2 100644
--- a/arch/x86/include/asm/special_insns.h
+++ b/arch/x86/include/asm/special_insns.h
@@ -101,7 +101,7 @@
 	asm volatile("wbinvd": : :"memory");
 }
 
-extern void native_load_gs_index(unsigned);
+extern asmlinkage void native_load_gs_index(unsigned);
 
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>