* Mikael Pettersson : PM converted to driver model.
*/
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/mm.h>
/*
* Knob to control our willingness to enable the local APIC.
*/
-int enable_local_apic __initdata = 0; /* -1=force-disable, +1=force-enable */
+static int enable_local_apic __initdata = 0; /* -1=force-disable, +1=force-enable */
+
+static inline void lapic_disable(void)
+{
+ enable_local_apic = -1;
+ clear_bit(X86_FEATURE_APIC, boot_cpu_data.x86_capability);
+}
+
+static inline void lapic_enable(void)
+{
+ enable_local_apic = 1;
+}
/*
* Debug level
printk("No ESR for 82489DX.\n");
}
- if (nmi_watchdog == NMI_LOCAL_APIC)
- setup_apic_nmi_watchdog();
+ setup_apic_nmi_watchdog(NULL);
apic_pm_activate();
}
return 0;
}
+
+static int __init parse_lapic(char *arg)
+{
+ lapic_enable();
+ return 0;
+}
+early_param("lapic", parse_lapic);
+
+static int __init parse_nolapic(char *arg)
+{
+ lapic_disable();
+ return 0;
+}
+early_param("nolapic", parse_nolapic);
+