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ACPI: extend "acpi_osi=" boot option

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The boot option "acpi_osi=" has always disabled Linux _OSI support,
thus disabling all OS Interface strings which are advertised
by Linux to the BIOS.

Now...
acpi_osi="string" adds the interface string, and
acpi_osi="!string" invalidates the pre-defined interface string

eg. acpi_osi="!Windows 2006"
would disable Linux's claim of Vista compatibility.

Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Len Brown 2007-05-29 18:43:33 -04:00
commit ae00d81243
4 changed files with 47 additions and 11 deletions
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1
include/acpi/acpiosxf.h
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@ -236,6 +236,7 @@ acpi_os_derive_pci_id(acpi_handle rhandle,
* Miscellaneous
*/
acpi_status acpi_os_validate_interface(char *interface);
acpi_status acpi_osi_invalidate(char* interface);
acpi_status
acpi_os_validate_address(u8 space_id,