x86: KVM geust: make setup_secondary_clock definition dependent on local apic
Glauber Costa [Wed, 30 Apr 2008 15:39:05 +0000 (12:39 -0300)]
Since the pv_apic_ops are only present if CONFIG_X86_LOCAL_APIC is compiled
in, kvmclock failed to build without this option.  This patch fixes this.

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

arch/x86/kernel/kvmclock.c

index ddee040..4bc1be5 100644 (file)
@@ -133,6 +133,7 @@ static int kvm_register_clock(void)
        return native_write_msr_safe(MSR_KVM_SYSTEM_TIME, low, high);
 }
 
+#ifdef CONFIG_X86_LOCAL_APIC
 static void kvm_setup_secondary_clock(void)
 {
        /*
@@ -143,6 +144,7 @@ static void kvm_setup_secondary_clock(void)
        /* ok, done with our trickery, call native */
        setup_secondary_APIC_clock();
 }
+#endif
 
 /*
  * After the clock is registered, the host will keep writing to the
@@ -177,7 +179,9 @@ void __init kvmclock_init(void)
                pv_time_ops.get_wallclock = kvm_get_wallclock;
                pv_time_ops.set_wallclock = kvm_set_wallclock;
                pv_time_ops.sched_clock = kvm_clock_read;
+#ifdef CONFIG_X86_LOCAL_APIC
                pv_apic_ops.setup_secondary_clock = kvm_setup_secondary_clock;
+#endif
                machine_ops.shutdown  = kvm_shutdown;
 #ifdef CONFIG_KEXEC
                machine_ops.crash_shutdown  = kvm_crash_shutdown;