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    ACPICA: add debug dump of BIOS _OSI strings · 3e0676a9
    Len Brown 提交于
    on boot, print out the OSI strings the BIOS uses to query the OS.
    
    To see this output...
    
    build with CONFIG_ACPI_DEBUG
    
    boot with
    "acpi.debug_level=4" (ACPI_LV_INFO) (enabled by default)
    and
    "acpi.debug_level=1" (ACPI_UTILITIES) (default is 0)
    
    example output:
    
    ACPI: BIOS _OSI(Windows 2001) supported
    ACPI: BIOS _OSI(Windows 2001 SP1) supported
    ACPI: BIOS _OSI(Windows 2001 SP2) supported
    ACPI: BIOS _OSI(Windows 2006) supported
    ACPI: BIOS _OSI(Linux) not-supported
    ACPI: BIOS _OSI(FreeBSD) not-supported
    Signed-off-by: NLen Brown <len.brown@intel.com>
    3e0676a9
uteval.c 20.6 KB