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author | Yinghai Lu <yinghai@kernel.org> | 2009-05-09 23:47:42 -0700 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-05-11 10:52:40 +0200 |
commit | 61fe91e1319556f32bebfd7ed2c68ef02e2c17f7 (patch) | |
tree | 70af8a1972cc0aa274412eb606a2551859ee03a7 | |
parent | 7a309490da98981558a07183786201f02a6341e2 (diff) | |
download | linux-stable-61fe91e1319556f32bebfd7ed2c68ef02e2c17f7.tar.gz linux-stable-61fe91e1319556f32bebfd7ed2c68ef02e2c17f7.tar.bz2 linux-stable-61fe91e1319556f32bebfd7ed2c68ef02e2c17f7.zip |
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>
-rw-r--r-- | 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 306e5e88fb6f..744e6d8af27b 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; |