Some SMP fixes.

arch/um/kernel/ksyms.c

@@ -75,7 +75,6 @@ EXPORT_SYMBOL_NOVERS(__write_lock_failed);
 extern void FASTCALL( __read_lock_failed(rwlock_t *rw));
 EXPORT_SYMBOL_NOVERS(__read_lock_failed);
 
-EXPORT_SYMBOL(smp_num_cpus);
 #endif
 
 #ifdef CONFIG_HIGHMEM

arch/um/kernel/process.c

@@ -256,27 +256,27 @@ int can_do_skas(void)
 	void *stack;
 	int pid, n, ret = 1;
 
-	printk("Checking for the skas3 patch in the host...");
+	printf("Checking for the skas3 patch in the host...");
 	pid = start_ptraced_child(&stack);
 
 	n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi);
 	if(n < 0){
 		if(errno == EIO)
-			printk("not found\n");
-		else printk("No (unexpected errno - %d)\n", errno);
+			printf("not found\n");
+		else printf("No (unexpected errno - %d)\n", errno);
 		ret = 0;
 	}
-	else printk("found\n");
+	else printf("found\n");
 
 	init_registers(pid);
 	stop_ptraced_child(pid, stack, 1);
 
-	printk("Checking for /proc/mm...");
+	printf("Checking for /proc/mm...");
 	if(access("/proc/mm", W_OK)){
-		printk("not found\n");
+		printf("not found\n");
 		ret = 0;
 	}
-	else printk("found\n");
+	else printf("found\n");
 
 	return(ret);
 #else

arch/um/kernel/smp.c

@@ -13,6 +13,7 @@ unsigned long cpu_online_map = 1;
 #include "linux/sched.h"
 #include "linux/threads.h"
 #include "linux/interrupt.h"
+#include "linux/err.h"
 #include "asm/smp.h"
 #include "asm/processor.h"
 #include "asm/spinlock.h"
@@ -140,7 +141,7 @@ static struct task_struct *idle_thread(int cpu)
 
         current->thread.request.u.thread.proc = idle_proc;
         current->thread.request.u.thread.arg = (void *) cpu;
-	new_task = do_fork(CLONE_VM | CLONE_IDLETASK, 0, NULL, 0, NULL);
+	new_task = do_fork(CLONE_VM | CLONE_IDLETASK, 0, NULL, 0, NULL, NULL);
 	if(IS_ERR(new_task)) panic("do_fork failed in idle_thread");
 
 	cpu_tasks[cpu] = ((struct cpu_task) 
@@ -186,7 +187,7 @@ void smp_prepare_cpus(unsigned int maxcpus)
 	}
 }
 
-void __devinit smp_prepare_boot_cpu(void)
+void smp_prepare_boot_cpu(void)
 {
 	set_bit(smp_processor_id(), &cpu_online_map);
 }