x86: apic_ops for lguest

apic_ops for lguest.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Acked-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 0c45df2..675ee7a 100644 (file)
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -791,6 +791,37 @@ static u32 lguest_apic_read(u32 reg)
 {
        return 0;
 }
+
+static u64 lguest_apic_icr_read(void)
+{
+       return 0;
+}
+
+static void lguest_apic_icr_write(u32 low, u32 id)
+{
+       /* Warn to see if there's any stray references */
+       WARN_ON(1);
+}
+
+static void lguest_apic_wait_icr_idle(void)
+{
+       return;
+}
+
+static u32 lguest_apic_safe_wait_icr_idle(void)
+{
+       return 0;
+}
+
+static struct apic_ops lguest_basic_apic_ops = {
+       .read = lguest_apic_read,
+       .write = lguest_apic_write,
+       .write_atomic = lguest_apic_write,
+       .icr_read = lguest_apic_icr_read,
+       .icr_write = lguest_apic_icr_write,
+       .wait_icr_idle = lguest_apic_wait_icr_idle,
+       .safe_wait_icr_idle = lguest_apic_safe_wait_icr_idle,
+};
 #endif
 
 /* STOP!  Until an interrupt comes in. */
@@ -990,9 +1021,7 @@ __init void lguest_init(void)
 
 #ifdef CONFIG_X86_LOCAL_APIC
        /* apic read/write intercepts */
-       pv_apic_ops.apic_write = lguest_apic_write;
-       pv_apic_ops.apic_write_atomic = lguest_apic_write;
-       pv_apic_ops.apic_read = lguest_apic_read;
+       apic_ops = &lguest_basic_apic_ops;
 #endif
 
        /* time operations */