linux-kernel - [PATCH 09/74] sections: Add _

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Date:	Sat, 18 Aug 2012 19:56:05 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	linux-kernel@...r.kernel.org
Cc:	x86@...nel.org, mmarek@...e.cz, linux-kbuild@...r.kernel.org,
	JBeulich@...e.com, akpm@...ux-foundation.org,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 09/74] sections: Add __visible to x86 sections

From: Andi Kleen <ak@...ux.intel.com>

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 arch/x86/kernel/alternative.c |    4 ++--
 arch/x86/kernel/vsyscall_64.c |    4 ++--
 arch/x86/power/hibernate_32.c |    2 +-
 arch/x86/um/vdso/vma.c        |    2 +-
 arch/x86/vdso/vma.c           |   10 +++++-----
 5 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index afb7ff7..27ae345 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -252,8 +252,8 @@ static void __init_or_module add_nops(void *insns, unsigned int len)
 	}
 }
 
-extern struct alt_instr __alt_instructions[], __alt_instructions_end[];
-extern s32 __smp_locks[], __smp_locks_end[];
+extern __visible struct alt_instr __alt_instructions[], __alt_instructions_end[];
+extern __visible s32 __smp_locks[], __smp_locks_end[];
 void *text_poke_early(void *addr, const void *opcode, size_t len);
 
 /* Replace instructions with better alternatives for this CPU type.
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 8d141b3..70f25f2 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -355,9 +355,9 @@ cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
 
 void __init map_vsyscall(void)
 {
-	extern char __vsyscall_page;
+	extern __visible char __vsyscall_page;
 	unsigned long physaddr_vsyscall = __pa_symbol(&__vsyscall_page);
-	extern char __vvar_page;
+	extern __visible char __vvar_page;
 	unsigned long physaddr_vvar_page = __pa_symbol(&__vvar_page);
 
 	__set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall,
diff --git a/arch/x86/power/hibernate_32.c b/arch/x86/power/hibernate_32.c
index 74202c1..7b8d7df 100644
--- a/arch/x86/power/hibernate_32.c
+++ b/arch/x86/power/hibernate_32.c
@@ -18,7 +18,7 @@
 extern int restore_image(void);
 
 /* References to section boundaries */
-extern const void __nosave_begin, __nosave_end;
+extern __visible const void __nosave_begin, __nosave_end;
 
 /* Pointer to the temporary resume page tables */
 pgd_t *resume_pg_dir;
diff --git a/arch/x86/um/vdso/vma.c b/arch/x86/um/vdso/vma.c
index af91901..a09f903 100644
--- a/arch/x86/um/vdso/vma.c
+++ b/arch/x86/um/vdso/vma.c
@@ -16,7 +16,7 @@ unsigned int __read_mostly vdso_enabled = 1;
 unsigned long um_vdso_addr;
 
 extern unsigned long task_size;
-extern char vdso_start[], vdso_end[];
+extern __visible char vdso_start[], vdso_end[];
 
 static struct page **vdsop;
 
diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c
index 00aaf04..fe08e2b 100644
--- a/arch/x86/vdso/vma.c
+++ b/arch/x86/vdso/vma.c
@@ -18,15 +18,15 @@
 
 unsigned int __read_mostly vdso_enabled = 1;
 
-extern char vdso_start[], vdso_end[];
-extern unsigned short vdso_sync_cpuid;
+extern __visible char vdso_start[], vdso_end[];
+extern __visible unsigned short vdso_sync_cpuid;
 
-extern struct page *vdso_pages[];
+extern __visible struct page *vdso_pages[];
 static unsigned vdso_size;
 
 #ifdef CONFIG_X86_X32_ABI
-extern char vdsox32_start[], vdsox32_end[];
-extern struct page *vdsox32_pages[];
+extern __visible char vdsox32_start[], vdsox32_end[];
+extern __visible struct page *vdsox32_pages[];
 static unsigned vdsox32_size;
 
 static void __init patch_vdsox32(void *vdso, size_t len)
-- 
1.7.7.6

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