Commit 61fe91e1 authored May 09, 2009 by Yinghai Lu Committed by Ingo Molnar May 11, 2009

x86: apic: Check rev 3 fadt correctly for physical_apic bit



Impact: fix fadt version checking

FADT2_REVISION_ID has value 3 aka rev 3 FADT. So need to use >= instead
of >, as other places in the code do.

[ Impact: extend scope of APIC boot quirk ]

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 7a309490

arch/x86/kernel/apic/apic_flat_64.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -235,7 +235,7 @@ static int physflat_acpi_madt_oem_check(char oem_id, char oem_table_id)
		* regardless of how many processors are present (x86_64 ES7000
		* is an example).
		*/
		if (acpi_gbl_FADT.header.revision > FADT2_REVISION_ID &&
		if (acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID &&
		(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL)) {
		printk(KERN_DEBUG "system APIC only can use physical flat");
		return 1;