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-rw-r--r--arch/x86/xen/enlighten_pv.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c
index 105a57d73701..ee3b00c7acda 100644
--- a/arch/x86/xen/enlighten_pv.c
+++ b/arch/x86/xen/enlighten_pv.c
@@ -1256,6 +1256,9 @@ asmlinkage __visible void __init xen_start_kernel(void)
get_cpu_cap(&boot_cpu_data);
x86_configure_nx();
+ /* Determine virtual and physical address sizes */
+ get_cpu_address_sizes(&boot_cpu_data);
+
/* Let's presume PV guests always boot on vCPU with id 0. */
per_cpu(xen_vcpu_id, 0) = 0;