[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 d6b7c05..f1bdd50 100644 (file)
--- 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 5164998..7ba23ec 100644 (file)
--- 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 */