x86/hyperv: Allow 15-bit APIC IDs for VTL platforms

[linux-2.6-microblaze.git] / arch / x86 / hyperv / hv_vtl.c

diff --git a/arch/x86/hyperv/hv_vtl.c b/arch/x86/hyperv/hv_vtl.c
index 96e6c51..cf1b78c 100644 (file)
--- a/arch/x86/hyperv/hv_vtl.c
+++ b/arch/x86/hyperv/hv_vtl.c
@@ -16,6 +16,11 @@
 extern struct boot_params boot_params;
 static struct real_mode_header hv_vtl_real_mode_header;
 
+static bool __init hv_vtl_msi_ext_dest_id(void)
+{
+       return true;
+}
+
 void __init hv_vtl_init_platform(void)
 {
        pr_info("Linux runs in Hyper-V Virtual Trust Level\n");
@@ -38,6 +43,8 @@ void __init hv_vtl_init_platform(void)
        x86_platform.legacy.warm_reset = 0;
        x86_platform.legacy.reserve_bios_regions = 0;
        x86_platform.legacy.devices.pnpbios = 0;
+
+       x86_init.hyper.msi_ext_dest_id = hv_vtl_msi_ext_dest_id;
 }
 
 static inline u64 hv_vtl_system_desc_base(struct ldttss_desc *desc)