[PATCH] x86_64: Reduce number of retries for reset through keyboard controller

Old code could retry for 10 seconds worst time. Only try it
for one second now.

Suggested by Yinghai Lu

Cc: Yinghai.Lu@amd.com
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/x86_64/kernel/reboot.c

@@ -121,7 +121,7 @@ void machine_emergency_restart(void)
 		/* Could also try the reset bit in the Hammer NB */
 		switch (reboot_type) { 
 		case BOOT_KBD:
-		for (i=0; i<100; i++) {
+		for (i=0; i<10; i++) {
 			kb_wait();
 			udelay(50);
 			outb(0xfe,0x64);         /* pulse reset low */

include/asm-i386/mach-default/mach_reboot.h

@@ -19,7 +19,7 @@ static inline void kb_wait(void)
 static inline void mach_reboot(void)
 {
 	int i;
-	for (i = 0; i < 100; i++) {
+	for (i = 0; i < 10; i++) {
 		kb_wait();
 		udelay(50);
 		outb(0x60, 0x64);	/* write Controller Command Byte */