If ACPI is disabled, acpi_gbl_FADT is not available, and and the build
breaks.
Signed-off-by: Jan Kiszka <jan.kis...@siemens.com>
---
arch/x86/kernel/apic/x2apic_phys.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kernel/apic/x2apic_phys.c
b/arch/x86/kernel/apic/x2apic_phys.c
index 6fae733..3ffd925 100644
--- a/arch/x86/kernel/apic/x2apic_phys.c
+++ b/arch/x86/kernel/apic/x2apic_phys.c
@@ -21,11 +21,13 @@ early_param("x2apic_phys", set_x2apic_phys_mode);
static bool x2apic_fadt_phys(void)
{
+#ifdef CONFIG_ACPI
if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
printk(KERN_DEBUG "System requires x2apic physical mode\n");
return true;
}
+#endif
return false;
}
--
2.1.4
--
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