[tip:x86/apic] x86: apic: Check rev 3 fadt correctly for physical_apic bit

tip-bot for Yinghai Lu
2009-05-11T09:55:18Z

Commit-ID: 61fe91e1319556f32bebfd7ed2c68ef02e2c17f7
Gitweb: http://git.kernel.org/tip/61fe91e1319556f32bebfd7ed2c68ef02e2c17f7
Author: Yinghai Lu <yinghai@kernel.org>
AuthorDate: Sat, 9 May 2009 23:47:42 -0700
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Mon, 11 May 2009 10:52:40 +0200

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>

---
arch/x86/kernel/apic/apic_flat_64.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index 306e5e8..744e6d8 100644
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -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;