From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Thu, 7 Dec 2006 04:38:14 +0000 (-0800)
Subject: [PATCH] declare smp_call_function_single in generic code
X-Git-Tag: v2.6.20-rc1~145^2^2~138
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=83df8db9e62129975fab6d800fb381faf0dfee74;p=linux-2.6

[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>
---

diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h
index d6b7c057ed..f1bdd500d7 100644
--- a/include/asm-x86_64/smp.h
+++ b/include/asm-x86_64/smp.h
@@ -118,13 +118,6 @@ static __inline int logical_smp_processor_id(void)
 #define cpu_physical_id(cpu)		x86_cpu_to_apicid[cpu]
 #else
 #define cpu_physical_id(cpu)		boot_cpu_id
-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 /* !CONFIG_SMP */
 #endif
 
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 51649987f6..7ba23ec821 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 */