summaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/acpi
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/acpi')
-rw-r--r--arch/x86/kernel/acpi/boot.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 4c51a2f8fd3..65d0b72777e 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1360,6 +1360,17 @@ static void __init acpi_process_madt(void)
disable_acpi();
}
}
+
+ /*
+ * ACPI supports both logical (e.g. Hyper-Threading) and physical
+ * processors, where MPS only supports physical.
+ */
+ if (acpi_lapic && acpi_ioapic)
+ printk(KERN_INFO "Using ACPI (MADT) for SMP configuration "
+ "information\n");
+ else if (acpi_lapic)
+ printk(KERN_INFO "Using ACPI for processor (LAPIC) "
+ "configuration information\n");
#endif
return;
}