]> err.no Git - linux-2.6/blobdiff - arch/sparc/kernel/sun4d_smp.c
Merge branch 'for-2.6.26' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer...
[linux-2.6] / arch / sparc / kernel / sun4d_smp.c
index 89a6de95070c761d0fe3237bc89a49f2063fc1fb..dfde77ff084870810b3a8e94e40f089b796418be 100644 (file)
 #include <linux/mm.h>
 #include <linux/swap.h>
 #include <linux/profile.h>
+#include <linux/delay.h>
 
 #include <asm/ptrace.h>
 #include <asm/atomic.h>
 #include <asm/irq_regs.h>
 
-#include <asm/delay.h>
 #include <asm/irq.h>
 #include <asm/page.h>
 #include <asm/pgalloc.h>
@@ -41,8 +41,6 @@
 
 extern ctxd_t *srmmu_ctx_table_phys;
 
-extern void calibrate_delay(void);
-
 static volatile int smp_processors_ready = 0;
 static int smp_highest_cpu;
 extern volatile unsigned long cpu_callin_map[NR_CPUS];
@@ -337,37 +335,6 @@ void smp4d_cross_call_irq(void)
        ccall_info.processors_out[i] = 1;
 }
 
-static int smp4d_stop_cpu_sender;
-
-static void smp4d_stop_cpu(void)
-{
-       int me = hard_smp4d_processor_id();
-       
-       if (me != smp4d_stop_cpu_sender)
-               while(1) barrier();
-}
-
-/* Cross calls, in order to work efficiently and atomically do all
- * the message passing work themselves, only stopcpu and reschedule
- * messages come through here.
- */
-void smp4d_message_pass(int target, int msg, unsigned long data, int wait)
-{
-       int me = hard_smp4d_processor_id();
-
-       SMP_PRINTK(("smp4d_message_pass %d %d %08lx %d\n", target, msg, data, wait));
-       if (msg == MSG_STOP_CPU && target == MSG_ALL_BUT_SELF) {
-               unsigned long flags;
-               static DEFINE_SPINLOCK(stop_cpu_lock);
-               spin_lock_irqsave(&stop_cpu_lock, flags);
-               smp4d_stop_cpu_sender = me;
-               smp4d_cross_call((smpfunc_t)smp4d_stop_cpu, 0, 0, 0, 0, 0);
-               spin_unlock_irqrestore(&stop_cpu_lock, flags);
-       }
-       printk("Yeeee, trying to send SMP msg(%d) to %d on cpu %d\n", msg, target, me);
-       panic("Bogon SMP message pass.");
-}
-
 void smp4d_percpu_timer_interrupt(struct pt_regs *regs)
 {
        struct pt_regs *old_regs;
@@ -441,7 +408,6 @@ void __init sun4d_init_smp(void)
        BTFIXUPSET_BLACKBOX(hard_smp_processor_id, smp4d_blackbox_id);
        BTFIXUPSET_BLACKBOX(load_current, smp4d_blackbox_current);
        BTFIXUPSET_CALL(smp_cross_call, smp4d_cross_call, BTFIXUPCALL_NORM);
-       BTFIXUPSET_CALL(smp_message_pass, smp4d_message_pass, BTFIXUPCALL_NORM);
        BTFIXUPSET_CALL(__hard_smp_processor_id, __smp4d_processor_id, BTFIXUPCALL_NORM);
        
        for (i = 0; i < NR_CPUS; i++) {