Linux supports two methods of overriding the BIOS DSDT: | |
CONFIG_ACPI_CUSTOM_DSDT builds the image into the kernel. | |
CONFIG_ACPI_CUSTOM_DSDT_INITRD adds the image to the initrd. | |
When to use these methods is described in detail on the | |
Linux/ACPI home page: | |
http://www.lesswatts.org/projects/acpi/overridingDSDT.php | |
Note that if both options are used, the DSDT supplied | |
by the INITRD method takes precedence. | |
Documentation/initramfs-add-dsdt.sh is provided for convenience | |
for use with the CONFIG_ACPI_CUSTOM_DSDT_INITRD method. |