linux-kernel - [PATCH 41/52] move trampoline arrays extern definition to smp.h

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Date:	Mon,  3 Mar 2008 14:13:09 -0300
From:	Glauber Costa <gcosta@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, glommer@...il.com, mingo@...e.hu,
	tglx@...utronix.de, Glauber Costa <gcosta@...hat.com>
Subject: [PATCH 41/52] move trampoline arrays extern definition to smp.h

In here, they can serve both architectures

Signed-off-by: Glauber Costa <gcosta@...hat.com>
---
 arch/x86/kernel/smpboot_32.c |    6 ------
 arch/x86/kernel/smpboot_64.c |    7 -------
 include/asm-x86/smp.h        |    6 ++++++
 3 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kernel/smpboot_32.c b/arch/x86/kernel/smpboot_32.c
index 3236e84..a21f254 100644
--- a/arch/x86/kernel/smpboot_32.c
+++ b/arch/x86/kernel/smpboot_32.c
@@ -73,12 +73,6 @@ EXPORT_PER_CPU_SYMBOL(x86_cpu_to_apicid);
 
 u8 apicid_2_node[MAX_APICID];
 
-/*
- * Trampoline 80x86 program as an array.
- */
-
-extern const unsigned char trampoline_data [];
-extern const unsigned char trampoline_end  [];
 static unsigned char *trampoline_base;
 
 static void map_cpu_to_logical_apicid(void);
diff --git a/arch/x86/kernel/smpboot_64.c b/arch/x86/kernel/smpboot_64.c
index 0c67e5a..2cc1b8b 100644
--- a/arch/x86/kernel/smpboot_64.c
+++ b/arch/x86/kernel/smpboot_64.c
@@ -63,13 +63,6 @@
 /* Set when the idlers are all forked */
 int smp_threads_ready;
 
-/*
- * Trampoline 80x86 program as an array.
- */
-
-extern const unsigned char trampoline_data[];
-extern const unsigned char trampoline_end[];
-
 /* State of each CPU */
 DEFINE_PER_CPU(int, cpu_state) = { 0 };
 
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index 27d9f65..b2a1697 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -9,6 +9,12 @@ extern cpumask_t cpu_callout_map;
 extern int smp_num_siblings;
 extern unsigned int num_processors;
 
+/*
+ * Trampoline 80x86 program as an array.
+ */
+extern const unsigned char trampoline_data [];
+extern const unsigned char trampoline_end  [];
+
 struct smp_ops {
 	void (*smp_prepare_boot_cpu)(void);
 	void (*smp_prepare_cpus)(unsigned max_cpus);
-- 
1.5.0.6

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