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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>
authored by Zhao Yakui and committed by Len Brown 3e2ada58 14f03343
+1
-1
arch/x86/kernel/acpi/cstate.c
+1
-1
arch/x86/kernel/acpi/cstate.c
···
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* P4, Core and beyond CPUs
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*/
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if (c->x86_vendor == X86_VENDOR_INTEL &&
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-
(c->x86 > 0x6 || (c->x86 == 6 && c->x86_model >= 14)))
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+
(c->x86 > 0xf || (c->x86 == 6 && c->x86_model >= 14)))
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flags->bm_control = 0;
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}
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EXPORT_SYMBOL(acpi_processor_power_init_bm_check);