use halt() instead of raw inline assembly

From: "Jan Beulich" <jbeulich@novell.com>
Use abstractions whenever possible.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Signed-off-by: Andi Kleen <ak@suse.de>

---
 arch/x86_64/kernel/crash.c |    2 +-
 arch/x86_64/kernel/smp.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Index: linux/arch/x86_64/kernel/smp.c
===================================================================
--- linux.orig/arch/x86_64/kernel/smp.c
+++ linux/arch/x86_64/kernel/smp.c
@@ -460,7 +460,7 @@ static void smp_really_stop_cpu(void *du
 {
 	smp_stop_cpu(); 
 	for (;;) 
-		asm("hlt"); 
+		halt();
 } 
 
 void smp_send_stop(void)
Index: linux/arch/x86_64/kernel/crash.c
===================================================================
--- linux.orig/arch/x86_64/kernel/crash.c
+++ linux/arch/x86_64/kernel/crash.c
@@ -122,7 +122,7 @@ static int crash_nmi_callback(struct not
 	atomic_dec(&waiting_for_crash_ipi);
 	/* Assume hlt works */
 	for(;;)
-		asm("hlt");
+		halt();
 
 	return 1;
 }