From 83df8db9e62129975fab6d800fb381faf0dfee74 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Wed, 6 Dec 2006 20:38:14 -0800
Subject: [PATCH] declare smp_call_function_single in generic code

smp_call_function_single() needs to be visible in non-SMP builds, to fix:

arch/x86_64/kernel/vsyscall.c:283: warning: implicit declaration of function 'smp_call_function_single'

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 include/linux/smp.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'include/linux/smp.h')

diff --git a/include/linux/smp.h b/include/linux/smp.h
index 51649987f691..7ba23ec8211b 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -99,6 +99,13 @@ static inline int up_smp_call_function(void)
 static inline void smp_send_reschedule(int cpu) { }
 #define num_booting_cpus()			1
 #define smp_prepare_boot_cpu()			do {} while (0)
+static inline int smp_call_function_single(int cpuid, void (*func) (void *info),
+				void *info, int retry, int wait)
+{
+	/* Disable interrupts here? */
+	func(info);
+	return 0;
+}
 
 #endif /* !SMP */
 
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