summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/apic/x2apic_phys.c
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2012-05-10 11:51:07 +0900
committerPaul Mundt <lethal@linux-sh.org>2012-05-10 11:51:07 +0900
commit15f99cbd071aa402e113d342448603344a337046 (patch)
tree56f98892d1bd38029988eb8931e2321ef7e79aa0 /arch/x86/kernel/apic/x2apic_phys.c
parentb2212ea41dacda8cce0e7681a3a6ccc76c63802e (diff)
parent41797f75486d8ca3b98d7658c2a506ac7879a8e5 (diff)
Merge branch 'sh/rsk-updates' into sh-latest
Conflicts: arch/sh/Kconfig Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_phys.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c
index 8a778db45e3a..991e315f4227 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -24,6 +24,12 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
if (x2apic_phys)
return x2apic_enabled();
+ else if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
+ (acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) &&
+ x2apic_enabled()) {
+ printk(KERN_DEBUG "System requires x2apic physical mode\n");
+ return 1;
+ }
else
return 0;
}