[ACPI] fix "nolapic" flag in ACPI mode

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 033066176b3efdae5a097ca5cf11fbf4b8cd945f..d0980c79a5d274b0a7fa19c320d36c1582f1c601 100644 (file)
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
 {
        struct acpi_table_madt *madt = NULL;
 
-       if (!phys_addr || !size)
+       if (!phys_addr || !size || !cpu_has_apic)
                return -EINVAL;
 
        madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@@ -751,6 +751,9 @@ static int __init acpi_parse_madt_ioapic_entries(void)
                return -ENODEV;
        }
 
+       if (!cpu_has_apic) 
+               return -ENODEV;
+
        /*
         * if "noapic" boot option, don't look for IO-APICs
         */