1 files changed, 17 insertions, 0 deletions

diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c
new file mode 100644
index 000000000000..73ade38caa32
--- /dev/null
+++ b/arch/x86/xen/apic.c
@@ -0,0 +1,17 @@
+#include <linux/init.h>
+#include <asm/x86_init.h>
+
+unsigned int xen_io_apic_read(unsigned apic, unsigned reg)
+{
+        if (reg == 0x1)
+                return 0x00170020;
+        else if (reg == 0x0)
+                return apic << 24;
+
+        return 0xfd;
+}
+
+void __init xen_init_apic(void)
+{
+        x86_io_apic_ops.read = xen_io_apic_read;
+}