Pull msi-laptop into test branch
[pandora-kernel.git] / Documentation / kernel-parameters.txt
index 71d05f4..ff571f9 100644 (file)
@@ -110,6 +110,13 @@ be entered as an environment variable, whereas its absence indicates that
 it will appear as a kernel argument readable via /proc/cmdline by programs
 running once the system is up.
 
+The number of kernel parameters is not limited, but the length of the
+complete command line (parameters including spaces etc.) is limited to
+a fixed number of characters. This limit depends on the architecture
+and is between 256 and 4096 characters. It is defined in the file
+./include/asm/setup.h as COMMAND_LINE_SIZE.
+
+
        53c7xx=         [HW,SCSI] Amiga SCSI controllers
                        See header of drivers/scsi/53c7xx.c.
                        See also Documentation/scsi/ncr53c7xx.txt.
@@ -282,9 +289,6 @@ running once the system is up.
 
        autotest        [IA64]
 
-       awe=            [HW,OSS] AWE32/SB32/AWE64 wave table synth
-                       Format: <io>,<memsize>,<isapnp>
-
        aztcd=          [HW,CD] Aztech CD268 CDROM driver
                        Format: <io>,0x79 (?)
 
@@ -348,9 +352,9 @@ running once the system is up.
 
        clock=          [BUGS=IA-32, HW] gettimeofday clocksource override.
                        [Deprecated]
-                       Forces specified clocksource (if avaliable) to be used
+                       Forces specified clocksource (if available) to be used
                        when calculating gettimeofday(). If specified
-                       clocksource is not avalible, it defaults to PIT.
+                       clocksource is not available, it defaults to PIT.
                        Format: { pit | tsc | cyclone | pmtmr }
 
        disable_8254_timer
@@ -529,10 +533,6 @@ running once the system is up.
                        Default value is 0.
                        Value can be changed at runtime via /selinux/enforce.
 
-       es1370=         [HW,OSS]
-                       Format: <lineout>[,<micbias>]
-                       See also header of sound/oss/es1370.c.
-
        es1371=         [HW,OSS]
                        Format: <spdif>,[<nomix>,[<amplifier>]]
                        See also header of sound/oss/es1371.c.
@@ -573,11 +573,6 @@ running once the system is up.
        gscd=           [HW,CD]
                        Format: <io>
 
-       gt96100eth=     [NET] MIPS GT96100 Advanced Communication Controller
-
-       gus=            [HW,OSS]
-                       Format: <io>,<irq>,<dma>,<dma16>
-
        gvp11=          [HW,SCSI]
 
        hashdist=       [KNL,NUMA] Large hashes allocated during boot
@@ -606,8 +601,8 @@ running once the system is up.
        noirqbalance    [IA-32,SMP,KNL] Disable kernel irq balancing
 
        i8042.direct    [HW] Put keyboard port into non-translated mode
-       i8042.dumbkbd   [HW] Pretend that controlled can only read data from
-                            keyboard and can not control its state
+       i8042.dumbkbd   [HW] Pretend that controller can only read data from
+                            keyboard and cannot control its state
                             (Don't attempt to blink the leds)
        i8042.noaux     [HW] Don't check for auxiliary (== mouse) port
        i8042.nokbd     [HW] Don't check/create keyboard port
@@ -836,12 +831,6 @@ running once the system is up.
                        (machvec) in a generic kernel.
                        Example: machvec=hpzx1_swiotlb
 
-       mad16=          [HW,OSS] Format:
-                       <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick>
-
-       maui=           [HW,OSS]
-                       Format: <io>,<irq>
-
        max_loop=       [LOOP] Maximum number of loopback devices that can
                        be mounted
                        Format: <1-256>
@@ -1109,9 +1098,6 @@ running once the system is up.
        opl3=           [HW,OSS]
                        Format: <io>
 
-       opl3sa=         [HW,OSS]
-                       Format: <io>,<irq>,<dma>,<dma2>,<mpu_io>,<mpu_irq>
-
        opl3sa2=        [HW,OSS] Format:
                        <io>,<irq>,<dma>,<dma2>,<mss_io>,<mpu_io>,<ymode>,<loopback>[,<isapnp>,<multiple]
 
@@ -1240,7 +1226,11 @@ 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.
-
+               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]
@@ -1322,7 +1312,7 @@ running once the system is up.
        pt.             [PARIDE]
                        See Documentation/paride.txt.
 
-       quiet=          [KNL] Disable log messages
+       quiet           [KNL] Disable most log messages
 
        r128=           [HW,DRM]
 
@@ -1348,10 +1338,6 @@ running once the system is up.
        rcu.qlowmark=   [KNL,BOOT] Set threshold of queued
                        RCU callbacks below which batch limiting is re-enabled.
 
-       rcu.rsinterval= [KNL,BOOT,SMP] Set the number of additional
-                       RCU callbacks to queued before forcing reschedule
-                       on all cpus.
-
        rdinit=         [KNL]
                        Format: <full_path>
                        Run specified binary instead of /init from the ramdisk,
@@ -1359,10 +1345,18 @@ running once the system is up.
 
        reboot=         [BUGS=IA-32,BUGS=ARM,BUGS=IA-64] Rebooting mode
                        Format: <reboot_mode>[,<reboot_mode2>[,...]]
-                       See arch/*/kernel/reboot.c.
+                       See arch/*/kernel/reboot.c or arch/*/kernel/process.c                   
 
        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.
+
+       reset_devices   [KNL] Force drivers to reset the underlying device
+                       during initialization.
+
        resume=         [SWSUSP]
                        Specify the partition device for software suspend
 
@@ -1438,9 +1432,6 @@ running once the system is up.
 
        sg_def_reserved_size=   [SCSI]
 
-       sgalaxy=        [HW,OSS]
-                       Format: <io>,<irq>,<dma>,<dma2>,<sgbase>
-
        shapers=        [NET]
                        Maximal number of shapers.
 
@@ -1581,9 +1572,6 @@ running once the system is up.
 
        snd-ymfpci=     [HW,ALSA]
 
-       sonicvibes=     [HW,OSS]
-                       Format: <reverb>
-
        sonycd535=      [HW,CD]
                        Format: <io>[,<irq>]