kernel optionはDocumentation/kernel-parameters.txtにある

はい、タイトルどおりです。

カーネルのオプションはいろいろありそうだけど、どこに一覧があるのだろう？と思っていた。
Documentation/kernel-parameters.txt にあるとのこと。

テキストファイルで、2800行くらいある。
全部は載せられないので、今回使っているTI-2.6.32での部類だけ載せておこう。


    ACPI    ACPI support is enabled.
    AGP    AGP (Accelerated Graphics Port) is enabled.
    ALSA    ALSA sound support is enabled.
    APIC    APIC support is enabled.
    APM    Advanced Power Management support is enabled.
    AVR32    AVR32 architecture is enabled.
    AX25    Appropriate AX.25 support is enabled.
    BLACKFIN Blackfin architecture is enabled.
    DRM    Direct Rendering Management support is enabled.
    EDD    BIOS Enhanced Disk Drive Services (EDD) is enabled
    EFI    EFI Partitioning (GPT) is enabled
    EIDE    EIDE/ATAPI support is enabled.
    FB    The frame buffer device is enabled.
    GCOV    GCOV profiling is enabled.
    HW    Appropriate hardware is enabled.
    IA-64    IA-64 architecture is enabled.
    IMA     Integrity measurement architecture is enabled.
    IOSCHED    More than one I/O scheduler is enabled.
    IP_PNP    IP DHCP, BOOTP, or RARP is enabled.
    ISAPNP    ISA PnP code is enabled.
    ISDN    Appropriate ISDN support is enabled.
    JOY    Appropriate joystick support is enabled.
    KVM    Kernel Virtual Machine support is enabled.
    LIBATA  Libata driver is enabled
    LP    Printer support is enabled.
    LOOP    Loopback device support is enabled.
    M68k    M68k architecture is enabled.
            These options have more detailed description inside of
            Documentation/m68k/kernel-options.txt.
    MCA    MCA bus support is enabled.
    MDA    MDA console support is enabled.
    MOUSE    Appropriate mouse support is enabled.
    MSI    Message Signaled Interrupts (PCI).
    MTD    MTD (Memory Technology Device) support is enabled.
    NET    Appropriate network support is enabled.
    NUMA    NUMA support is enabled.
    GENERIC_TIME The generic timeofday code is enabled.
    NFS    Appropriate NFS support is enabled.
    OSS    OSS sound support is enabled.
    PV_OPS    A paravirtualized kernel is enabled.
    PARIDE    The ParIDE (parallel port IDE) subsystem is enabled.
    PARISC    The PA-RISC architecture is enabled.
    PCI    PCI bus support is enabled.
    PCIE    PCI Express support is enabled.
    PCMCIA    The PCMCIA subsystem is enabled.
    PNP    Plug & Play support is enabled.
    PPC    PowerPC architecture is enabled.
    PPT    Parallel port support is enabled.
    PS2    Appropriate PS/2 support is enabled.
    RAM    RAM disk support is enabled.
    S390    S390 architecture is enabled.
    SCSI    Appropriate SCSI support is enabled.
            A lot of drivers has their options described inside of
            Documentation/scsi/.
    SECURITY Different security models are enabled.
    SELINUX SELinux support is enabled.
    SERIAL    Serial support is enabled.
    SH    SuperH architecture is enabled.
    SMP    The kernel is an SMP kernel.
    SPARC    Sparc architecture is enabled.
    SWSUSP    Software suspend (hibernation) is enabled.
    SUSPEND    System suspend states are enabled.
    FTRACE    Function tracing enabled.
    TS    Appropriate touchscreen support is enabled.
    UMS    USB Mass Storage support is enabled.
    USB    USB support is enabled.
    USBHID    USB Human Interface Device support is enabled.
    V4L    Video For Linux support is enabled.
    VGA    The VGA console has been enabled.
    VT    Virtual terminal support is enabled.
    WDT    Watchdog support is enabled.
    XT    IBM PC/XT MFM hard disk support is enabled.
    X86-32    X86-32, aka i386 architecture is enabled.
    X86-64    X86-64 architecture is enabled.
            More X86-64 boot options can be found in
            Documentation/x86/x86_64/boot-options.txt .
    X86    Either 32bit or 64bit x86 (same as X86-32+X86-64)

    BUGS=    Relates to possible processor bugs on the said processor.
    KNL    Is a kernel start-up parameter.
    BOOT    Is a boot loader parameter.