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-rw-r--r--arch/i386/kernel/acpi/boot.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 033066176b3..8dab3527bc9 100644
--- 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
*/