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authorZhao Yakui <yakui.zhao@intel.com>2009-09-27 03:30:51 -0400
committerLen Brown <len.brown@intel.com>2009-09-27 03:43:42 -0400
commit3e2ada5867b7e9fa0b296d30fa8f3726ebd0a8b7 (patch)
treeab7031e3e640892c04d85f093a7b01ff780f2b1f
parent14f03343ad1080c2fea29ab2c13f05b976c4584e (diff)
ACPI: fix Compaq Evo N800c (Pentium 4m) boot hang regression
Don't disable ARB_DISABLE when the familary ID is 0x0F. http://bugzilla.kernel.org/show_bug.cgi?id=14211 This was a 2.6.31 regression, and so this patch needs to be applied to 2.6.31.stable Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
-rw-r--r--arch/x86/kernel/acpi/cstate.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index 8c44c232efc..59cdfa4686b 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -48,7 +48,7 @@ void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
* P4, Core and beyond CPUs
*/
if (c->x86_vendor == X86_VENDOR_INTEL &&
- (c->x86 > 0x6 || (c->x86 == 6 && c->x86_model >= 14)))
+ (c->x86 > 0xf || (c->x86 == 6 && c->x86_model >= 14)))
flags->bm_control = 0;
}
EXPORT_SYMBOL(acpi_processor_power_init_bm_check);