X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fia64%2Fkernel%2Fsmp.c;h=657ac99a451cf8d550e10d5fa52af12f130b3588;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=953095e2ce157d93c4e9666678b4009ccf171b9c;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 953095e2c..657ac99a4 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -185,8 +185,8 @@ send_IPI_allbutself (int op)
 {
 	unsigned int i;
 
-	for (i = 0; i < NR_CPUS; i++) {
-		if (cpu_online(i) && i != smp_processor_id())
+	for_each_online_cpu(i) {
+		if (i != smp_processor_id())
 			send_IPI_single(i, op);
 	}
 }
@@ -199,9 +199,9 @@ send_IPI_all (int op)
 {
 	int i;
 
-	for (i = 0; i < NR_CPUS; i++)
-		if (cpu_online(i))
-			send_IPI_single(i, op);
+	for_each_online_cpu(i) {
+		send_IPI_single(i, op);
+	}
 }
 
 /*
@@ -231,13 +231,16 @@ smp_flush_tlb_all (void)
 void
 smp_flush_tlb_mm (struct mm_struct *mm)
 {
+	preempt_disable();
 	/* this happens for the common case of a single-threaded fork():  */
 	if (likely(mm == current->active_mm && atomic_read(&mm->mm_users) == 1))
 	{
 		local_finish_flush_tlb_mm(mm);
+		preempt_enable();
 		return;
 	}
 
+	preempt_enable();
 	/*
 	 * We could optimize this further by using mm->cpu_vm_mask to track which CPUs
 	 * have been running in the address space.  It's not clear that this is worth the
@@ -269,7 +272,7 @@ smp_call_function_single (int cpuid, void (*func) (void *info), void *info, int
 	int me = get_cpu(); /* prevent preemption and reschedule on another processor */
 
 	if (cpuid == me) {
-		printk("%s: trying to call self\n", __FUNCTION__);
+		printk(KERN_INFO "%s: trying to call self\n", __FUNCTION__);
 		put_cpu();
 		return -EBUSY;
 	}