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-rw-r--r--arch/x86/kernel/apic/apic.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 0a56bc7626ad..4a39fb429f15 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -2342,6 +2342,11 @@ static int cpuid_to_apicid[] = {
[0 ... NR_CPUS - 1] = -1,
};
+bool arch_match_cpu_phys_id(int cpu, u64 phys_id)
+{
+ return phys_id == cpuid_to_apicid[cpu];
+}
+
#ifdef CONFIG_SMP
/**
* apic_id_is_primary_thread - Check whether APIC ID belongs to a primary thread