[PATCH] 2.5.70 remove smp_send_reschedule() cruft

smp_send_reschedule_all() is unused in 2.5 and can be eliminated.

arch/i386/kernel/smp.c

@@ -460,17 +460,6 @@ void smp_send_reschedule(int cpu)
 	send_IPI_mask(1 << cpu, RESCHEDULE_VECTOR);
 }
 
-/*
- * this function sends a reschedule IPI to all (other) CPUs.
- * This should only be used if some 'global' task became runnable,
- * such as a RT task, that must be handled now. The first CPU
- * that manages to grab the task will run it.
- */
-void smp_send_reschedule_all(void)
-{
-	send_IPI_allbutself(RESCHEDULE_VECTOR);
-}
-
 /*
  * Structure and data for smp_call_function(). This is designed to minimise
  * static memory requirements. It also looks cleaner.

arch/ia64/kernel/smp.c

@@ -205,24 +205,6 @@ smp_send_reschedule (int cpu)
 	platform_send_ipi(cpu, IA64_IPI_RESCHEDULE, IA64_IPI_DM_INT, 0);
 }
 
-/*
- * This function sends a reschedule IPI to all (other) CPUs.  This should only be used if
- * some 'global' task became runnable, such as a RT task, that must be handled now. The
- * first CPU that manages to grab the task will run it.
- */
-void
-smp_send_reschedule_all (void)
-{
-	int i;
-	int cpu = get_cpu(); /* disable preemption */
-
-	for (i = 0; i < NR_CPUS; i++)
-		if (cpu_online(i) && i != cpu)
-			smp_send_reschedule(i);
-	put_cpu();
-}
-
-
 void
 smp_flush_tlb_all (void)
 {

arch/ppc64/kernel/smp.c

@@ -392,17 +392,6 @@ void smp_send_reschedule(int cpu)
 	smp_message_pass(cpu, PPC_MSG_RESCHEDULE, 0, 0);
 }
 
-/*
- * this function sends a reschedule IPI to all (other) CPUs.
- * This should only be used if some 'global' task became runnable,
- * such as a RT task, that must be handled now. The first CPU
- * that manages to grab the task will run it.
- */
-void smp_send_reschedule_all(void)
-{
-	smp_message_pass(MSG_ALL_BUT_SELF, PPC_MSG_RESCHEDULE, 0, 0);
-}
-
 #ifdef CONFIG_XMON
 void smp_send_xmon_break(int cpu)
 {

include/asm-i386/smp.h

@@ -41,7 +41,6 @@ extern int cpu_sibling_map[];
 extern void smp_flush_tlb(void);
 extern void smp_message_irq(int cpl, void *dev_id, struct pt_regs *regs);
 extern void smp_send_reschedule(int cpu);
-extern void smp_send_reschedule_all(void);
 extern void smp_invalidate_rcv(void);		/* Process an NMI */
 extern void (*mtrr_hook) (void);
 extern void zap_low_mappings (void);

include/asm-ia64/smp.h

@@ -136,8 +136,6 @@ extern void smp_do_timer (struct pt_regs *regs);
 extern int smp_call_function_single (int cpuid, void (*func) (void *info), void *info,
 				     int retry, int wait);
 extern void smp_send_reschedule (int cpu);
-extern void smp_send_reschedule_all (void);
-
 
 #endif /* CONFIG_SMP */
 #endif /* _ASM_IA64_SMP_H */

include/asm-ppc64/smp.h

@@ -34,7 +34,6 @@ extern void smp_send_tlb_invalidate(int);
 extern void smp_send_xmon_break(int cpu);
 struct pt_regs;
 extern void smp_message_recv(int, struct pt_regs *);
-extern void smp_send_reschedule_all(void);
 
 #define NO_PROC_ID		0xFF            /* No processor magic marker */
 

include/asm-x86_64/smp.h

@@ -42,7 +42,6 @@ extern int pic_mode;
 extern void smp_flush_tlb(void);
 extern void smp_message_irq(int cpl, void *dev_id, struct pt_regs *regs);
 extern void smp_send_reschedule(int cpu);
-extern void smp_send_reschedule_all(void);
 extern void smp_invalidate_rcv(void);		/* Process an NMI */
 extern void (*mtrr_hook) (void);
 extern void zap_low_mappings(void);

include/linux/smp.h

@@ -110,7 +110,6 @@ void smp_prepare_boot_cpu(void);
 #define smp_call_function(func,info,retry,wait)	({ 0; })
 #define on_each_cpu(func,info,retry,wait)	({ func(info); 0; })
 static inline void smp_send_reschedule(int cpu) { }
-static inline void smp_send_reschedule_all(void) { }
 #define cpu_online_map				1
 #define cpu_online(cpu)				({ BUG_ON((cpu) != 0); 1; })
 #define num_online_cpus()			1