APIC APIC support is enabled.
APM Advanced Power Management support 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
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.
+ ROOTPLUG The example Root Plug LSM 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.
acpi_irq_isa= [HW,ACPI] If irq_balance, mark listed IRQs used by ISA
Format: <irq>,<irq>...
+ acpi_no_auto_ssdt [HW,ACPI] Disable automatic loading of SSDT
+
acpi_os_name= [HW,ACPI] Tell ACPI BIOS the name of the OS
Format: To spoof as Windows 98: ="Microsoft Windows"
Warning: Many of these options can produce a lot of
output and make your system unusable. Be very careful.
-
- acpi_fake_ecdt [HW,ACPI] Workaround failure due to BIOS lacking ECDT
-
acpi_pm_good [X86-32,X86-64]
Override the pmtimer bug detection: force the kernel
to assume that this machine's pmtimer latches its value
apm= [APM] Advanced Power Management
See header of arch/i386/kernel/apm.c.
- applicom= [HW]
- Format: <mem>,<irq>
-
arcrimi= [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards
Format: <io>,<irq>,<nodeID>
blkmtd_bs=
blkmtd_count=
+ boot_delay= Milliseconds to delay each printk during boot.
+ Values larger than 10 seconds (10000) are changed to
+ no delay (0).
+ Format: integer
+
bttv.card= [HW,V4L] bttv (bt848 + bt878 based grabber cards)
bttv.radio= Most important insmod options are available as
kernel args too.
possible to determine what the correct size should be.
This option provides an override for these situations.
+ capability.disable=
+ [SECURITY] Disable capabilities. This would normally
+ be used only if an alternative security model is to be
+ configured. Potentially dangerous and should only be
+ used if you are entirely sure of the consequences.
+
chandev= [HW,NET] Generic channel device initialisation
checkreqprot [SELINUX] Set initial checkreqprot flag value.
UART at the specified I/O port or MMIO address.
The options are the same as for ttyS, above.
+ no_console_suspend
+ [HW] Never suspend the console
+ Disable suspending of consoles during suspend and
+ hibernate operations. Once disabled, debugging
+ messages can reach various consoles while the rest
+ of the system is being put to sleep (ie, while
+ debugging driver suspend/resume hooks). This may
+ not work reliably with all consoles, but is known
+ to work with serial and VGA consoles.
+
cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver
Format:
<first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>]
- cpia_pp= [HW,PPT]
- Format: { parport<nr> | auto | none }
-
crashkernel=nn[KMG]@ss[KMG]
[KNL] Reserve a chunk of physical memory to
hold a kernel to switch to with kexec on panic.
+ crashkernel=range1:size1[,range2:size2,...][@offset]
+ [KNL] Same as above, but depends on the memory
+ in the running system. The syntax of range is
+ start-[end] where start and end are both
+ a memory unit (amount[KMG]). See also
+ Documentation/kdump/kdump.txt for a example.
+
cs4232= [HW,OSS]
Format: <io>,<irq>,<dma>,<dma2>,<mpuio>,<mpuirq>
cs89x0_media= [HW,NET]
Format: { rj45 | aui | bnc }
- cyclades= [HW,SERIAL] Cyclades multi-serial port adapter.
-
dasd= [HW,NET]
See header of drivers/s390/block/dasd_devmap.c.
dtc3181e= [HW,SCSI]
- earlyprintk= [X86-32,X86-64,SH]
+ earlyprintk= [X86-32,X86-64,SH,BLACKFIN]
earlyprintk=vga
earlyprintk=serial[,ttySn[,baudrate]]
0: polling mode
non-0: interrupt mode (default)
- eda= [HW,PS2]
-
- edb= [HW,PS2]
-
edd= [EDD]
Format: {"of[f]" | "sk[ipmbr]"}
See comment in arch/i386/boot/edd.S
- eicon= [HW,ISDN]
- Format: <id>,<membase>,<irq>
-
eisa_irq_edge= [PARISC,HW]
See header of drivers/parisc/eisa.c.
lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer in
C2 power state.
- lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip
- Format: addr:<io>,irq:<irq>
-
- legacy_serial.force [HW,X86-32,X86-64]
- Probe for COM ports at legacy addresses even
- if PNPBIOS or ACPI should describe them. This
- is for working around firmware defects.
+ libata.noacpi [LIBATA] Disables use of ACPI in libata suspend/resume
+ when set.
+ Format: <int>
load_ramdisk= [RAM] List of ramdisks to load from floppy
See Documentation/ramdisk.txt.
n must be a power of two. The default size
is set in the kernel config file.
+ logo.nologo [FB] Disables display of the built-in Linux logo.
+ This may be used to provide more screen space for
+ kernel log messages and is useful when debugging
+ kernel boot problems.
+
lp=0 [LP] Specify parallel ports to use, e.g,
lp=port[,port...] lp=none,parport0 (lp0 not configured, lp1 uses
lp=reset first parallel port). 'lp=0' disables the
Format: <1-256>
maxcpus= [SMP] Maximum number of processors that an SMP kernel
- should make use of.
- Using "nosmp" or "maxcpus=0" will disable SMP
- entirely (the MPS table probe still happens, though).
- A command-line option of "maxcpus=<NUM>", where <NUM>
- is an integer greater than 0, limits the maximum number
- of CPUs activated in SMP mode to <NUM>.
- Using "maxcpus=1" on an SMP kernel is the trivial
- case of an SMP kernel with only one CPU.
+ should make use of. maxcpus=n : n >= 0 limits the
+ kernel to using 'n' processors. n=0 is a special case,
+ it is equivalent to "nosmp", which also disables
+ the IO APIC.
max_addr=[KMG] [KNL,BOOT,ia64] All physical memory greater than or
equal to this physical address is ignored.
mce [X86-32] Machine Check Exception
+ mce=option [X86-64] See Documentation/x86_64/boot-options.txt
+
md= [HW] RAID subsystems devices and level
See Documentation/md.txt.
meye.*= [HW] Set MotionEye Camera parameters
See Documentation/video4linux/meye.txt.
+ mfgpt_irq= [IA-32] Specify the IRQ to use for the
+ Multi-Function General Purpose Timers on AMD Geode
+ platforms.
+
mga= [HW,DRM]
mousedev.tap_time=
[NFS] set the maximum lifetime for idmapper cache
entries.
+ nfs.enable_ino64=
+ [NFS] enable 64-bit inode numbers.
+ If zero, the NFS client will fake up a 32-bit inode
+ number for the readdir() and stat() syscalls instead
+ of returning the full 64-bit number.
+ The default is to return 64-bit inode numbers.
+
nmi_watchdog= [KNL,BUGS=X86-32] Debugging features for SMP kernels
no387 [BUGS=X86-32] Tells the kernel to use the 387 maths
emulation library even if a 387 maths coprocessor
is present.
- noacpi [LIBATA] Disables use of ACPI in libata suspend/resume
- when set.
- Format: <int>
-
noaliencache [MM, NUMA, SLAB] Disables the allocation of alien
caches in the slab allocator. Saves per-node memory,
but will impact performance.
noapic [SMP,APIC] Tells the kernel to not make use of any
IOAPICs that may be present in the system.
- noasync [HW,M68K] Disables async and sync negotiation for
- all devices.
-
nobats [PPC] Do not use BATs for mapping kernel lowmem
on "Classic" PPC cores.
nomce [X86-32] Machine Check Exception
+ nomfgpt [X86-32] Disable Multi-Function General Purpose
+ Timer usage (for AMD Geode machines).
+
noreplace-paravirt [X86-32,PV_OPS] Don't patch paravirt_ops
noreplace-smp [X86-32,SMP] Don't replace SMP instructions
nosep [BUGS=X86-32] Disables x86 SYSENTER/SYSEXIT support.
- nosmp [SMP] Tells an SMP kernel to act as a UP kernel.
+ nosmp [SMP] Tells an SMP kernel to act as a UP kernel,
+ and disable the IO APIC. legacy for "maxcpus=0".
nosoftlockup [KNL] Disable the soft-lockup detector.
Mechanism 1.
conf2 [X86-32] Force use of PCI Configuration
Mechanism 2.
+ noaer [PCIE] If the PCIEAER kernel config parameter is
+ enabled, this kernel boot option can be used to
+ disable the use of PCIE advanced error reporting.
+ nodomains [PCI] Disable support for multiple PCI
+ root domains (aka PCI segments, in ACPI-speak).
nommconf [X86-32,X86_64] Disable use of MMCONFIG for PCI
Configuration
nomsi [MSI] If the PCI_MSI kernel config parameter is
IRQ routing is enabled.
noacpi [X86-32] Do not use ACPI for IRQ routing
or for PCI scanning.
+ use_crs [X86-32] Use _CRS for PCI resource
+ allocation.
routeirq Do IRQ routing for all PCI devices.
This is normally done in pci_enable_device(),
so this option is a temporary workaround
pt. [PARIDE]
See Documentation/paride.txt.
+ pty.legacy_count=
+ [KNL] Number of legacy pty's. Overwrites compiled-in
+ default number.
+
quiet [KNL] Disable most log messages
r128= [HW,DRM]
raid= [HW,RAID]
See Documentation/md.txt.
- ramdisk= [RAM] Sizes of RAM disks in kilobytes [deprecated]
- See Documentation/ramdisk.txt.
-
ramdisk_blocksize= [RAM]
See Documentation/ramdisk.txt.
ramdisk_size= [RAM] Sizes of RAM disks in kilobytes
- New name for the ramdisk parameter.
See Documentation/ramdisk.txt.
rcu.blimit= [KNL,BOOT] Set maximum number of finished
Useful for devices that are detected asynchronously
(e.g. USB and MMC devices).
+ root_plug.vendor_id=
+ [ROOTPLUG] Override the default vendor ID
+
+ root_plug.product_id=
+ [ROOTPLUG] Override the default product ID
+
+ root_plug.debug=
+ [ROOTPLUG] Enable debugging output
+
rw [KNL] Mount root device read-write on boot
S [KNL] Run init in single mode
sa1100ir [NET]
See drivers/net/irda/sa1100_ir.c.
- sb= [HW,OSS]
- Format: <io>,<irq>,<dma>,<dma2>
-
sbni= [NET] Granch SBNI12 leased line adapter
sc1200wdt= [HW,WDT] SC1200 WDT (watchdog) driver
serialnumber [BUGS=X86-32]
- sg_def_reserved_size= [SCSI]
-
shapers= [NET]
Maximal number of shapers.
thash_entries= [KNL,NET]
Set number of hash buckets for TCP connection
+ thermal.act= [HW,ACPI]
+ -1: disable all active trip points in all thermal zones
+ <degrees C>: override all lowest active trip points
+
+ thermal.crt= [HW,ACPI]
+ -1: disable all critical trip points in all thermal zones
+ <degrees C>: lower all critical trip points
+
+ thermal.nocrt= [HW,ACPI]
+ Set to disable actions on ACPI thermal zone
+ critical and hot trip points.
+
+ thermal.off= [HW,ACPI]
+ 1: disable ACPI thermal control
+
+ thermal.psv= [HW,ACPI]
+ -1: disable all passive trip points
+ <degrees C>: override all passive trip points to this value
+
+ thermal.tzp= [HW,ACPI]
+ Specify global default ACPI thermal zone polling rate
+ <deci-seconds>: poll all this frequency
+ 0: no polling (default)
+
time Show timing data prefixed to each printk message line
[deprecated, see 'printk.time']
Format:
<io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>
- tsdev.xres= [TS] Horizontal screen resolution.
- tsdev.yres= [TS] Vertical screen resolution.
-
turbografx.map[2|3]= [HW,JOY]
TurboGraFX parallel port interface
Format:
See header of drivers/scsi/wd7000.c.
wdt= [WDT] Watchdog
- See Documentation/watchdog/watchdog.txt.
+ See Documentation/watchdog/wdt.txt.
xd= [HW,XT] Original XT pre-IDE (RLL encoded) disks.
xd_geo= See header of drivers/block/xd.c.
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff