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ACPI: fix Compaq Evo N800c (Pentium 4m) boot hang regression

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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>
This commit is contained in:
Zhao Yakui 2009-09-27 03:30:51 -04:00 committed by Len Brown
parent 14f03343ad
commit 3e2ada5867
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/acpi/cstate.c
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@ -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);