[PATCH] autofs4 needs to force fail return revalidate

[linux-2.6-omap-h63xx.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index a9d3a1794b232da271d71178fbd05c3078e87723..255ec535bba803699f4608fc99b05810582b5c14 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -35,7 +35,6 @@ parameter is applicable:
        APM     Advanced Power Management support is enabled.
        AX25    Appropriate AX.25 support is enabled.
        CD      Appropriate CD support is enabled.
        APM     Advanced Power Management support is enabled.
        AX25    Appropriate AX.25 support is enabled.
        CD      Appropriate CD support is enabled.

-       DEVFS   devfs support is enabled.

        DRM     Direct Rendering Management support is enabled.
        EDD     BIOS Enhanced Disk Drive Services (EDD) is enabled
        EFI     EFI Partitioning (GPT) is enabled
        DRM     Direct Rendering Management support is enabled.
        EDD     BIOS Enhanced Disk Drive Services (EDD) is enabled
        EFI     EFI Partitioning (GPT) is enabled


@@ -61,6 +60,7 @@ parameter is applicable:
        MTD     MTD support is enabled.
        NET     Appropriate network support is enabled.
        NUMA    NUMA support is enabled.
        MTD     MTD 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.
        PARIDE  The ParIDE subsystem is enabled.
        NFS     Appropriate NFS support is enabled.
        OSS     OSS sound support is enabled.
        PARIDE  The ParIDE subsystem is enabled.


@@ -147,6 +147,9 @@ running once the system is up.
        acpi_irq_isa=   [HW,ACPI] If irq_balance, mark listed IRQs used by ISA
                        Format: <irq>,<irq>...
 
        acpi_irq_isa=   [HW,ACPI] If irq_balance, mark listed IRQs used by ISA
                        Format: <irq>,<irq>...
 

+       acpi_os_name=   [HW,ACPI] Tell ACPI BIOS the name of the OS
+                       Format: To spoof as Windows 98: ="Microsoft Windows"
+

        acpi_osi=       [HW,ACPI] empty param disables _OSI
 
        acpi_serialize  [HW,ACPI] force serialization of AML methods
        acpi_osi=       [HW,ACPI] empty param disables _OSI
 
        acpi_serialize  [HW,ACPI] force serialization of AML methods


@@ -176,6 +179,11 @@ running once the system is up.
                        override platform specific driver.
                        See also Documentation/acpi-hotkey.txt.
 
                        override platform specific driver.
                        See also Documentation/acpi-hotkey.txt.
 

+       acpi_pm_good    [IA-32,X86-64]
+                       Override the pmtimer bug detection: force the kernel
+                       to assume that this machine's pmtimer latches its value
+                       and always returns good values.
+

        enable_timer_pin_1 [i386,x86-64]
                        Enable PIN 1 of APIC timer
                        Can be useful to work around chipset bugs
        enable_timer_pin_1 [i386,x86-64]
                        Enable PIN 1 of APIC timer
                        Can be useful to work around chipset bugs


@@ -338,10 +346,11 @@ running once the system is up.
                        Value can be changed at runtime via
                                /selinux/checkreqprot.
 
                        Value can be changed at runtime via
                                /selinux/checkreqprot.
 

-       clock=          [BUGS=IA-32,HW] gettimeofday timesource override.
-                       Forces specified timesource (if avaliable) to be used
-                       when calculating gettimeofday(). If specicified
-                       timesource is not avalible, it defaults to PIT.
+       clock=          [BUGS=IA-32, HW] gettimeofday clocksource override.
+                       [Deprecated]
+                       Forces specified clocksource (if avaliable) to be used
+                       when calculating gettimeofday(). If specified
+                       clocksource is not avalible, it defaults to PIT.

                        Format: { pit | tsc | cyclone | pmtmr }
 
        disable_8254_timer
                        Format: { pit | tsc | cyclone | pmtmr }
 
        disable_8254_timer


@@ -426,13 +435,19 @@ running once the system is up.
 
        debug           [KNL] Enable kernel debugging (events log level).
 
 
        debug           [KNL] Enable kernel debugging (events log level).
 

+       debug_locks_verbose=
+                       [KNL] verbose self-tests
+                       Format=<0|1>
+                       Print debugging info while doing the locking API
+                       self-tests.
+                       We default to 0 (no extra messages), setting it to
+                       1 will print _a lot_ more information - normally
+                       only useful to kernel developers.
+

        decnet=         [HW,NET]
                        Format: <area>[,<node>]
                        See also Documentation/networking/decnet.txt.
 
        decnet=         [HW,NET]
                        Format: <area>[,<node>]
                        See also Documentation/networking/decnet.txt.
 

-       devfs=          [DEVFS]
-                       See Documentation/filesystems/devfs/boot-options.
-

        dhash_entries=  [KNL]
                        Set number of hash buckets for dentry cache.
 
        dhash_entries=  [KNL]
                        Set number of hash buckets for dentry cache.
 


@@ -558,8 +573,6 @@ running once the system is up.
        gscd=           [HW,CD]
                        Format: <io>
 
        gscd=           [HW,CD]
                        Format: <io>
 

-       gt96100eth=     [NET] MIPS GT96100 Advanced Communication Controller
-

        gus=            [HW,OSS]
                        Format: <io>,<irq>,<dma>,<dma16>
 
        gus=            [HW,OSS]
                        Format: <io>,<irq>,<dma>,<dma16>
 


@@ -682,6 +695,12 @@ running once the system is up.
        ips=            [HW,SCSI] Adaptec / IBM ServeRAID controller
                        See header of drivers/scsi/ips.c.
 
        ips=            [HW,SCSI] Adaptec / IBM ServeRAID controller
                        See header of drivers/scsi/ips.c.
 

+       ports=          [IP_VS_FTP] IPVS ftp helper module
+                       Default is 21.
+                       Up to 8 (IP_VS_APP_MAX_PORTS) ports
+                       may be specified.
+                       Format: <port>,<port>....
+

        irqfixup        [HW]
                        When an interrupt is not handled search all handlers
                        for it. Intended to get systems with badly broken
        irqfixup        [HW]
                        When an interrupt is not handled search all handlers
                        for it. Intended to get systems with badly broken


@@ -1014,6 +1033,8 @@ running once the system is up.
 
        nocache         [ARM]
 
 
        nocache         [ARM]
 

+       nodelayacct     [KNL] Disable per-task delay accounting
+

        nodisconnect    [HW,SCSI,M68K] Disables SCSI disconnects.
 
        noexec          [IA-64]
        nodisconnect    [HW,SCSI,M68K] Disables SCSI disconnects.
 
        noexec          [IA-64]


@@ -1217,7 +1238,11 @@ running once the system is up.
                                bootloader. This is currently used on
                                IXP2000 systems where the bus has to be
                                configured a certain way for adjunct CPUs.
                                bootloader. This is currently used on
                                IXP2000 systems where the bus has to be
                                configured a certain way for adjunct CPUs.

-
+               noearly         [X86] Don't do any early type 1 scanning.
+                               This might help on some broken boards which
+                               machine check when some devices' config space
+                               is read. But various workarounds are disabled
+                               and some IOMMU drivers will not work.

        pcmv=           [HW,PCMCIA] BadgePAD 4
 
        pd.             [PARIDE]
        pcmv=           [HW,PCMCIA] BadgePAD 4
 
        pd.             [PARIDE]


@@ -1340,6 +1365,11 @@ running once the system is up.
 
        reserve=        [KNL,BUGS] Force the kernel to ignore some iomem area
 
 
        reserve=        [KNL,BUGS] Force the kernel to ignore some iomem area
 

+       reservetop=     [IA-32]
+                       Format: nn[KMG]
+                       Reserves a hole at the top of the kernel virtual
+                       address space.
+

        resume=         [SWSUSP]
                        Specify the partition device for software suspend
 
        resume=         [SWSUSP]
                        Specify the partition device for software suspend
 


@@ -1614,6 +1644,10 @@ running once the system is up.
 
        time            Show timing data prefixed to each printk message line
 
 
        time            Show timing data prefixed to each printk message line
 

+       clocksource=    [GENERIC_TIME] Override the default clocksource
+                       Override the default clocksource and use the clocksource
+                       with the name specified.
+

        tipar.timeout=  [HW,PPT]
                        Set communications timeout in tenths of a second
                        (default 15).
        tipar.timeout=  [HW,PPT]
                        Set communications timeout in tenths of a second
                        (default 15).


@@ -1655,6 +1689,10 @@ running once the system is up.
        usbhid.mousepoll=
                        [USBHID] The interval which mice are to be polled at.
 
        usbhid.mousepoll=
                        [USBHID] The interval which mice are to be polled at.
 

+       vdso=           [IA-32]
+                       vdso=1: enable VDSO (default)
+                       vdso=0: disable VDSO mapping
+

        video=          [FB] Frame buffer configuration
                        See Documentation/fb/modedb.txt.
 
        video=          [FB] Frame buffer configuration
                        See Documentation/fb/modedb.txt.
 


@@ -1671,9 +1709,14 @@ running once the system is up.
                        decrease the size and leave more room for directly
                        mapped kernel RAM.
 
                        decrease the size and leave more room for directly
                        mapped kernel RAM.
 

-       vmhalt=         [KNL,S390]
+       vmhalt=         [KNL,S390] Perform z/VM CP command after system halt.
+                       Format: <command>
+
+       vmpanic=        [KNL,S390] Perform z/VM CP command after kernel panic.
+                       Format: <command>

 
 

-       vmpoff=         [KNL,S390]
+       vmpoff=         [KNL,S390] Perform z/VM CP command after power off.
+                       Format: <command>

 
        waveartist=     [HW,OSS]
                        Format: <io>,<irq>,<dma>,<dma2>
 
        waveartist=     [HW,OSS]
                        Format: <io>,<irq>,<dma>,<dma2>