1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/nvhe/hyp-smp.c b/arch/arm64/kvm/hyp/nvhe/hyp-smp.c
index 7b0363b4857f..cbab0c6246e2 100644
--- a/arch/arm64/kvm/hyp/nvhe/hyp-smp.c
+++ b/arch/arm64/kvm/hyp/nvhe/hyp-smp.c
@@ -8,6 +8,22 @@
 #include <asm/kvm_hyp.h>
 #include <asm/kvm_mmu.h>
 
+/*
+ * nVHE copy of data structures tracking available CPU cores.
+ * Only entries for CPUs that were online at KVM init are populated.
+ * Other CPUs should not be allowed to boot because their features were
+ * not checked against the finalized system capabilities.
+ */
+u64 __ro_after_init __cpu_logical_map[NR_CPUS] = { [0 ... NR_CPUS-1] = INVALID_HWID };
+
+u64 cpu_logical_map(unsigned int cpu)
+{
+	if (cpu >= ARRAY_SIZE(__cpu_logical_map))
+		hyp_panic();
+
+	return __cpu_logical_map[cpu];
+}
+
 unsigned long __hyp_per_cpu_offset(unsigned int cpu)
 {
 	unsigned long *cpu_base_array;