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-rw-r--r--xen/arch/x86/setup.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c
index 362cfb69e7..c71cfd045f 100644
--- a/xen/arch/x86/setup.c
+++ b/xen/arch/x86/setup.c
@@ -890,6 +890,9 @@ void __init __start_xen(unsigned long mbi_p)
generic_apic_probe();
+ if ( x2apic_is_available() )
+ enable_x2apic();
+
acpi_boot_init();
init_cpu_to_node();