x86: apic - unify disable_apic_timer

Get rid of local_apic_timer_disabled and use disable_apic_timer instead.

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/apic_32.c

@@ -63,7 +63,7 @@ int disable_apic;
 /* Local APIC timer verification ok */
 static int local_apic_timer_verify_ok;
 /* Disable local APIC timer from the kernel commandline or via dmi quirk */
-static int local_apic_timer_disabled;
+static int disable_apic_timer __cpuinitdata;
 /* Local APIC timer works in C2 */
 int local_apic_timer_c2_ok;
 EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok);
@@ -574,7 +574,7 @@ void __init setup_boot_APIC_clock(void)
 	 * timer as a dummy clock event source on SMP systems, so the
 	 * broadcast mechanism is used. On UP systems simply ignore it.
 	 */
-	if (local_apic_timer_disabled) {
+	if (disable_apic_timer) {
 		/* No broadcast on UP ! */
 		if (num_possible_cpus() > 1) {
 			lapic_clockevent.mult = 1;
@@ -1699,12 +1699,19 @@ static int __init parse_nolapic(char *arg)
 }
 early_param("nolapic", parse_nolapic);
 
-static int __init parse_disable_lapic_timer(char *arg)
+static int __init parse_disable_apic_timer(char *arg)
 {
-	local_apic_timer_disabled = 1;
+	disable_apic_timer = 1;
 	return 0;
 }
-early_param("nolapic_timer", parse_disable_lapic_timer);
+early_param("noapictimer", parse_disable_apic_timer);
+
+static int __init parse_nolapic_timer(char *arg)
+{
+	disable_apic_timer = 1;
+	return 0;
+}
+early_param("nolapic_timer", parse_nolapic_timer);
 
 static int __init parse_lapic_timer_c2_ok(char *arg)
 {

arch/x86/kernel/apic_64.c

@@ -45,6 +45,7 @@
 #include <mach_ipi.h>
 #include <mach_apic.h>
 
+/* Disable local APIC timer from the kernel commandline or via dmi quirk */
 static int disable_apic_timer __cpuinitdata;
 static int apic_calibrate_pmtmr __initdata;
 int disable_apic;
@@ -1583,14 +1584,19 @@ static int __init parse_lapic_timer_c2_ok(char *arg)
 }
 early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok);
 
-static __init int setup_noapictimer(char *str)
+static int __init parse_disable_apic_timer(char *arg)
 {
-	if (str[0] != ' ' && str[0] != 0)
-		return 0;
 	disable_apic_timer = 1;
-	return 1;
+	return 0;
+}
+early_param("noapictimer", parse_disable_apic_timer);
+
+static int __init parse_nolapic_timer(char *arg)
+{
+	disable_apic_timer = 1;
+	return 0;
 }
-__setup("noapictimer", setup_noapictimer);
+early_param("nolapic_timer", parse_nolapic_timer);
 
 static __init int setup_apicpmtimer(char *s)
 {