X-Git-Url: http://git.onelab.eu/?p=linux-2.6.git;a=blobdiff_plain;f=include%2Flinux%2Fsmp.h;fp=include%2Flinux%2Fsmp.h;h=7ba23ec8211b11f22edd21369f824d81b5a2ee52;hp=44153fdf73fc0787072b21c043713f0fb62815a5;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hpb=76828883507a47dae78837ab5dec5a5b4513c667

diff --git a/include/linux/smp.h b/include/linux/smp.h
index 44153fdf7..7ba23ec82 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -6,7 +6,6 @@
  *		Alan Cox. <alan@redhat.com>
  */
 
-#include <linux/config.h>
 
 extern void cpu_idle(void);
 
@@ -52,23 +51,15 @@ extern void smp_cpus_done(unsigned int max_cpus);
 /*
  * Call a function on all other processors
  */
-extern int smp_call_function (void (*func) (void *info), void *info,
-			      int retry, int wait);
+int smp_call_function(void(*func)(void *info), void *info, int retry, int wait);
+
+int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
+				int retry, int wait);
 
 /*
  * Call a function on all processors
  */
-static inline int on_each_cpu(void (*func) (void *info), void *info,
-			      int retry, int wait)
-{
-	int ret = 0;
-
-	preempt_disable();
-	ret = smp_call_function(func, info, retry, wait);
-	func(info);
-	preempt_enable();
-	return ret;
-}
+int on_each_cpu(void (*func) (void *info), void *info, int retry, int wait);
 
 #define MSG_ALL_BUT_SELF	0x8000	/* Assume <32768 CPU's */
 #define MSG_ALL			0x8001
@@ -93,11 +84,28 @@ void smp_prepare_boot_cpu(void);
  */
 #define raw_smp_processor_id()			0
 #define hard_smp_processor_id()			0
-#define smp_call_function(func,info,retry,wait)	({ 0; })
-#define on_each_cpu(func,info,retry,wait)	({ func(info); 0; })
+static inline int up_smp_call_function(void)
+{
+	return 0;
+}
+#define smp_call_function(func,info,retry,wait)	(up_smp_call_function())
+#define on_each_cpu(func,info,retry,wait)	\
+	({					\
+		local_irq_disable();		\
+		func(info);			\
+		local_irq_enable();		\
+		0;				\
+	})
 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 */
 
@@ -127,4 +135,6 @@ static inline void smp_send_reschedule(int cpu) { }
 #define put_cpu()		preempt_enable()
 #define put_cpu_no_resched()	preempt_enable_no_resched()
 
+void smp_setup_processor_id(void);
+
 #endif /* __LINUX_SMP_H */