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[PATCH] x86_64: Disable ACPI blacklist by year for now on x86-64

ACPI is initialized very early on x86-64, before the DMI code is
initialized. This means it would often discover a 0 year and then turn
off ACPI because it thought the BIOS was too old. Some systems don't
boot without ACPI so this was a problem.

I have a full fix by adding new very early DMI detection, but it needs
more testing before it can be merged. For 2.6.16 let's just turn the
check off. It never made much sense anyways because there are no x86-64
systems older than 2002 or so and they generally all have working ACPI.

Cc: len.brown@intel.com

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

authored by

Andi Kleen and committed by
Linus Torvalds 2eb1bdba 1f992153

+1 -1
+1 -1
drivers/acpi/Kconfig
··· 247 247 Enter the full path name to the file wich includes the AmlCode declaration. 248 248 249 249 config ACPI_BLACKLIST_YEAR 250 - int "Disable ACPI for systems before Jan 1st this year" if X86 250 + int "Disable ACPI for systems before Jan 1st this year" if X86_32 251 251 default 0 252 252 help 253 253 enter a 4-digit year, eg. 2001 to disable ACPI by default