From 9cfda2c94df61c9f859b474abe774c65a4464d0a Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Mon, 27 Mar 2006 02:24:32 -0500 Subject: [PATCH] [ACPI] fix "nolapic" flag in ACPI mode Signed-off-by: Len Brown --- arch/i386/kernel/acpi/boot.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index 033066176b3e..d0980c79a5d2 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 */