ACPI: add boot option acpi=copy_dsdt to fix corrupt DSDT

Browse source

Some BIOS on Toshiba machines corrupt the DSDT, so add a new
boot option acpi=copy_dsdt to workaround it.
Add warning message to ask users to use this option if corrupt DSDT detected.

Also build a DMI blacklist to check it and automatically copy DSDT.

https://bugzilla.kernel.org/show_bug.cgi?id=14679

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

...

This commit is contained in:

Lin Ming 2010-04-08 14:34:27 +08:00 • committed by Len Brown

parent 43323cb4c4

commit aa2110cb1a

4 changed files with 46 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

Documentation/kernel-parameters.txt

View file

4

arch/x86/kernel/acpi/boot.c

View file

4

drivers/acpi/acpica/tbutils.c

View file

37

drivers/acpi/bus.c

View file