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Diffstat (limited to 'arch/x86/kernel/apic/probe_64.c')
-rw-r--r--arch/x86/kernel/apic/probe_64.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/probe_64.c b/arch/x86/kernel/apic/probe_64.c
index a82bb52d5c69..a12a379280a8 100644
--- a/arch/x86/kernel/apic/probe_64.c
+++ b/arch/x86/kernel/apic/probe_64.c
@@ -19,6 +19,10 @@ static __init void apic_install_driver(struct apic *driver)
return;
apic = driver;
+
+ if (IS_ENABLED(CONFIG_X86_X2APIC) && apic->x2apic_set_max_apicid)
+ apic->max_apic_id = x2apic_max_apicid;
+
pr_info("Switched APIC routing to %s:\n", apic->name);
}