powerpc/ppc: export strncasecmp

[safe/jmp/linux-2.6] / arch / ppc / kernel / smp.c

diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c
index 726fe7c..f77795a 100644 (file)
--- a/arch/ppc/kernel/smp.c
+++ b/arch/ppc/kernel/smp.c
@@ -34,11 +34,11 @@
 #include <asm/thread_info.h>
 #include <asm/tlbflush.h>
 #include <asm/xmon.h>
+#include <asm/machdep.h>
 
 volatile int smp_commenced;
 int smp_tb_synchronized;
 struct cpuinfo_PPC cpu_data[NR_CPUS];
-struct klock_info_struct klock_info = { KLOCK_CLEAR, 0 };
 atomic_t ipi_recv;
 atomic_t ipi_sent;
 cpumask_t cpu_online_map;
@@ -51,7 +51,7 @@ EXPORT_SYMBOL(cpu_online_map);
 EXPORT_SYMBOL(cpu_possible_map);
 
 /* SMP operations for this machine */
-static struct smp_ops_t *smp_ops;
+struct smp_ops_t *smp_ops;
 
 /* all cpu mappings are 1-1 -- Cort */
 volatile unsigned long cpu_callin_map[NR_CPUS];
@@ -74,11 +74,11 @@ extern void __save_cpu_setup(void);
 #define PPC_MSG_XMON_BREAK     3
 
 static inline void
-smp_message_pass(int target, int msg, unsigned long data, int wait)
+smp_message_pass(int target, int msg)
 {
-       if (smp_ops){
+       if (smp_ops) {
                atomic_inc(&ipi_sent);
-               smp_ops->message_pass(target,msg,data,wait);
+               smp_ops->message_pass(target, msg);
        }
 }
 
@@ -119,7 +119,7 @@ void smp_message_recv(int msg, struct pt_regs *regs)
 void smp_send_tlb_invalidate(int cpu)
 {
        if ( PVR_VER(mfspr(SPRN_PVR)) == 8 )
-               smp_message_pass(MSG_ALL_BUT_SELF, PPC_MSG_INVALIDATE_TLB, 0, 0);
+               smp_message_pass(MSG_ALL_BUT_SELF, PPC_MSG_INVALIDATE_TLB);
 }
 
 void smp_send_reschedule(int cpu)
@@ -135,13 +135,13 @@ void smp_send_reschedule(int cpu)
         */
        /* This is only used if `cpu' is running an idle task,
           so it will reschedule itself anyway... */
-       smp_message_pass(cpu, PPC_MSG_RESCHEDULE, 0, 0);
+       smp_message_pass(cpu, PPC_MSG_RESCHEDULE);
 }
 
 #ifdef CONFIG_XMON
 void smp_send_xmon_break(int cpu)
 {
-       smp_message_pass(cpu, PPC_MSG_XMON_BREAK, 0, 0);
+       smp_message_pass(cpu, PPC_MSG_XMON_BREAK);
 }
 #endif /* CONFIG_XMON */
 
@@ -224,7 +224,7 @@ static int __smp_call_function(void (*func) (void *info), void *info,
        spin_lock(&call_lock);
        call_data = &data;
        /* Send a message to all other CPUs and wait for them to respond */
-       smp_message_pass(target, PPC_MSG_CALL_FUNCTION, 0, 0);
+       smp_message_pass(target, PPC_MSG_CALL_FUNCTION);
 
        /* Wait for response */
        timeout = 1000000;
@@ -294,7 +294,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
         smp_store_cpu_info(smp_processor_id());
        cpu_callin_map[smp_processor_id()] = 1;
 
-       smp_ops = ppc_md.smp_ops;
        if (smp_ops == NULL) {
                printk("SMP not supported on this machine.\n");
                return;
@@ -302,23 +301,24 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 
        /* Probe platform for CPUs: always linear. */
        num_cpus = smp_ops->probe();
+       
+       if (num_cpus < 2)
+               smp_tb_synchronized = 1;
+       
        for (i = 0; i < num_cpus; ++i)
                cpu_set(i, cpu_possible_map);
 
        /* Backup CPU 0 state */
        __save_cpu_setup();
 
-       if (smp_ops->space_timers)
-               smp_ops->space_timers(num_cpus);
-
-       for_each_cpu(cpu) {
+       for_each_possible_cpu(cpu) {
                if (cpu == smp_processor_id())
                        continue;
                /* create a process for the processor */
                p = fork_idle(cpu);
                if (IS_ERR(p))
                        panic("failed fork for CPU %u: %li", cpu, PTR_ERR(p));
-               p->thread_info->cpu = cpu;
+               task_thread_info(p)->cpu = cpu;
                idle_tasks[cpu] = p;
        }
 }
@@ -345,6 +345,7 @@ int __devinit start_secondary(void *unused)
        cpu = smp_processor_id();
         smp_store_cpu_info(cpu);
        set_dec(tb_ticks_per_jiffy);
+       preempt_disable();
        cpu_callin_map[cpu] = 1;
 
        printk("CPU %d done callin...\n", cpu);
@@ -368,7 +369,7 @@ int __cpu_up(unsigned int cpu)
        char buf[32];
        int c;
 
-       secondary_ti = idle_tasks[cpu]->thread_info;
+       secondary_ti = task_thread_info(idle_tasks[cpu]);
        mb();
 
        /*