]> err.no Git - linux-2.6/blobdiff - arch/sparc/kernel/sun4m_smp.c
Merge branch 'for-2.6.26' of master.kernel.org:/pub/scm/linux/kernel/git/jwboyer...
[linux-2.6] / arch / sparc / kernel / sun4m_smp.c
index 0b94072671623287c6c819fb4f405b18a0bb7038..ffb875aacb7e4ccb14b5e4c9f248f24eb48a5844 100644 (file)
@@ -34,8 +34,6 @@
 
 #include "irq.h"
 
-#define IRQ_RESCHEDULE         13
-#define IRQ_STOP_CPU           14
 #define IRQ_CROSS_CALL         15
 
 extern ctxd_t *srmmu_ctx_table_phys;
@@ -232,48 +230,6 @@ void smp4m_irq_rotate(int cpu)
                set_irq_udt(next);
 }
 
-/* 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 smp4m_message_pass(int target, int msg, unsigned long data, int wait)
-{
-       static unsigned long smp_cpu_in_msg[NR_CPUS];
-       cpumask_t mask;
-       int me = smp_processor_id();
-       int irq, i;
-
-       if(msg == MSG_RESCHEDULE) {
-               irq = IRQ_RESCHEDULE;
-
-               if(smp_cpu_in_msg[me])
-                       return;
-       } else if(msg == MSG_STOP_CPU) {
-               irq = IRQ_STOP_CPU;
-       } else {
-               goto barf;
-       }
-
-       smp_cpu_in_msg[me]++;
-       if(target == MSG_ALL_BUT_SELF || target == MSG_ALL) {
-               mask = cpu_online_map;
-               if(target == MSG_ALL_BUT_SELF)
-                       cpu_clear(me, mask);
-               for(i = 0; i < 4; i++) {
-                       if (cpu_isset(i, mask))
-                               set_cpu_int(i, irq);
-               }
-       } else {
-               set_cpu_int(target, irq);
-       }
-       smp_cpu_in_msg[me]--;
-
-       return;
-barf:
-       printk("Yeeee, trying to send SMP msg(%d) on cpu %d\n", msg, me);
-       panic("Bogon SMP message pass.");
-}
-
 static struct smp_funcall {
        smpfunc_t func;
        unsigned long arg1;
@@ -413,6 +369,5 @@ void __init sun4m_init_smp(void)
        BTFIXUPSET_BLACKBOX(hard_smp_processor_id, smp4m_blackbox_id);
        BTFIXUPSET_BLACKBOX(load_current, smp4m_blackbox_current);
        BTFIXUPSET_CALL(smp_cross_call, smp4m_cross_call, BTFIXUPCALL_NORM);
-       BTFIXUPSET_CALL(smp_message_pass, smp4m_message_pass, BTFIXUPCALL_NORM);
        BTFIXUPSET_CALL(__hard_smp_processor_id, __smp4m_processor_id, BTFIXUPCALL_NORM);
 }