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Commit cd4f0ef7 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
Browse files

doc/kernel-parameters: use X86-32 tag instead of IA-32 



Signed-off-by: default avatarAlan Cox <alan@lxorguk.ukuu.org.uk>
Acked-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f6f953aa

Documentation/kernel-parameters.txt

+57 −57
Original line number Diff line number Diff line
@@ -41,7 +41,6 @@ parameter is applicable: 
	EIDE	EIDE/ATAPI support is enabled.

	FB	The frame buffer device is enabled.

	HW	Appropriate hardware is enabled.

	IA-32	IA-32 aka i386 architecture is enabled.

	IA-64	IA-64 architecture is enabled.

	IOSCHED	More than one I/O scheduler is enabled.

	IP_PNP	IP DHCP, BOOTP, or RARP is enabled.
@@ -92,6 +91,7 @@ parameter is applicable: 
	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_64/boot-options.txt .
@@ -219,7 +219,7 @@ and is between 256 and 4096 characters. It is defined in the file 


	acpi_fake_ecdt	[HW,ACPI] Workaround failure due to BIOS lacking ECDT



	acpi_pm_good	[IA-32,X86-64]

	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

			and always returns good values.
@@ -357,7 +357,7 @@ and is between 256 and 4096 characters. It is defined in the file 


	c101=		[NET] Moxa C101 synchronous serial card



	cachesize=	[BUGS=IA-32] Override level 2 CPU cache size detection.

	cachesize=	[BUGS=X86-32] Override level 2 CPU cache size detection.

			Sometimes CPU hardware bugs make them report the cache

			size incorrectly. The kernel will attempt work arounds

			to fix known problems, but for some CPUs it is not
@@ -376,7 +376,7 @@ and is between 256 and 4096 characters. It is defined in the file 
			Value can be changed at runtime via

				/selinux/checkreqprot.



	clock=		[BUGS=IA-32, HW] gettimeofday clocksource override.

	clock=		[BUGS=X86-32, HW] gettimeofday clocksource override.

			[Deprecated]

			Forces specified clocksource (if available) to be used

			when calculating gettimeofday(). If specified
@@ -394,7 +394,7 @@ and is between 256 and 4096 characters. It is defined in the file 
			[ARM] imx_timer1,OSTS,netx_timer,mpu_timer2,

				pxa_timer,timer3,32k_counter,timer0_1

			[AVR32] avr32

			[IA-32] pit,hpet,tsc,vmi-timer;

			[X86-32] pit,hpet,tsc,vmi-timer;

				scx200_hrt on Geode; cyclone on IBM x440

			[MIPS] MIPS

			[PARISC] cr16
@@ -414,7 +414,7 @@ and is between 256 and 4096 characters. It is defined in the file 
			over the 8254 in addition to over the IO-APIC. The

			kernel tries to set a sensible default.



	hpet=		[IA-32,HPET] option to disable HPET and use PIT.

	hpet=		[X86-32,HPET] option to disable HPET and use PIT.

			Format: disable



	com20020=	[HW,NET] ARCnet - COM20020 chipset
@@ -551,7 +551,7 @@ and is between 256 and 4096 characters. It is defined in the file 


	dtc3181e=	[HW,SCSI]



	earlyprintk=	[IA-32,X86-64,SH]

	earlyprintk=	[X86-32,X86-64,SH]

			earlyprintk=vga

			earlyprintk=serial[,ttySn[,baudrate]]
@@ -589,7 +589,7 @@ and is between 256 and 4096 characters. It is defined in the file 
	eisa_irq_edge=	[PARISC,HW]

			See header of drivers/parisc/eisa.c.



	elanfreq=	[IA-32]

	elanfreq=	[X86-32]

			See comment before function elanfreq_setup() in

			arch/i386/kernel/cpu/cpufreq/elanfreq.c.
@@ -598,7 +598,7 @@ and is between 256 and 4096 characters. It is defined in the file 
			See Documentation/block/as-iosched.txt and

			Documentation/block/deadline-iosched.txt for details.



	elfcorehdr=	[IA-32, X86_64]

	elfcorehdr=	[X86-32, X86_64]

			Specifies physical address of start of kernel core

			image elf header. Generally kexec loader will

			pass this option to capture kernel.
@@ -680,7 +680,7 @@ and is between 256 and 4096 characters. It is defined in the file 
	hisax=		[HW,ISDN]

			See Documentation/isdn/README.HiSax.



	hugepages=	[HW,IA-32,IA-64] Maximal number of HugeTLB pages.

	hugepages=	[HW,X86-32,IA-64] Maximal number of HugeTLB pages.



	i8042.direct	[HW] Put keyboard port into non-translated mode

	i8042.dumbkbd	[HW] Pretend that controller can only read data from
@@ -822,7 +822,7 @@ and is between 256 and 4096 characters. It is defined in the file 
	js=		[HW,JOY] Analog joystick

			See Documentation/input/joystick.txt.



	kernelcore=nn[KMG]	[KNL,IA-32,IA-64,PPC,X86-64] This parameter

	kernelcore=nn[KMG]	[KNL,X86-32,IA-64,PPC,X86-64] This parameter

			specifies the amount of memory usable by the kernel

			for non-movable allocations.  The requested amount is

			spread evenly throughout all nodes in the system. The
@@ -838,7 +838,7 @@ and is between 256 and 4096 characters. It is defined in the file 
			use the HighMem zone if it exists, and the Normal

			zone if it does not.



	movablecore=nn[KMG]	[KNL,IA-32,IA-64,PPC,X86-64] This parameter

	movablecore=nn[KMG]	[KNL,X86-32,IA-64,PPC,X86-64] This parameter

			is similar to kernelcore except it specifies the

			amount of memory used for migratable allocations.

			If both kernelcore and movablecore is specified,
@@ -850,21 +850,21 @@ and is between 256 and 4096 characters. It is defined in the file 


	keepinitrd	[HW,ARM]



	kstack=N	[IA-32,X86-64] Print N words from the kernel stack

	kstack=N	[X86-32,X86-64] Print N words from the kernel stack

			in oops dumps.



	l2cr=		[PPC]



	lapic		[IA-32,APIC] Enable the local APIC even if BIOS

	lapic		[X86-32,APIC] Enable the local APIC even if BIOS

			disabled it.



	lapic_timer_c2_ok	[IA-32,x86-64,APIC] trust the local apic timer in

	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,IA-32,X86-64]

	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.
@@ -974,11 +974,11 @@ and is between 256 and 4096 characters. It is defined in the file 
			[SCSI] Maximum number of LUNs received.

			Should be between 1 and 16384.



	mca-pentium	[BUGS=IA-32]

	mca-pentium	[BUGS=X86-32]



	mcatest=	[IA-64]



	mce		[IA-32] Machine Check Exception

	mce		[X86-32] Machine Check Exception



	md=		[HW] RAID subsystems devices and level

			See Documentation/md.txt.
@@ -990,14 +990,14 @@ and is between 256 and 4096 characters. It is defined in the file 
	mem=nn[KMG]	[KNL,BOOT] Force usage of a specific amount of memory

			Amount of memory to be used when the kernel is not able

			to see the whole system memory or for test.

			[IA-32] Use together with memmap= to avoid physical

			[X86-32] Use together with memmap= to avoid physical

			address space collisions. Without memmap= PCI devices

			could be placed at addresses belonging to unused RAM.



	mem=nopentium	[BUGS=IA-32] Disable usage of 4MB pages for kernel

	mem=nopentium	[BUGS=X86-32] Disable usage of 4MB pages for kernel

			memory.



	memmap=exactmap	[KNL,IA-32,X86_64] Enable setting of an exact

	memmap=exactmap	[KNL,X86-32,X86_64] Enable setting of an exact

			E820 memory map, as specified by the user.

			Such memmap=exactmap lines can be constructed based on

			BIOS output or other requirements. See the memmap=nn@ss
@@ -1083,9 +1083,9 @@ and is between 256 and 4096 characters. It is defined in the file 
			[NFS] set the maximum lifetime for idmapper cache

			entries.



	nmi_watchdog=	[KNL,BUGS=IA-32] Debugging features for SMP kernels

	nmi_watchdog=	[KNL,BUGS=X86-32] Debugging features for SMP kernels



	no387		[BUGS=IA-32] Tells the kernel to use the 387 maths

	no387		[BUGS=X86-32] Tells the kernel to use the 387 maths

			emulation library even if a 387 maths coprocessor

			is present.
@@ -1116,17 +1116,17 @@ and is between 256 and 4096 characters. It is defined in the file 


	noexec		[IA-64]



	noexec		[IA-32,X86-64]

	noexec		[X86-32,X86-64]

			noexec=on: enable non-executable mappings (default)

			noexec=off: disable nn-executable mappings



	nofxsr		[BUGS=IA-32] Disables x86 floating point extended

	nofxsr		[BUGS=X86-32] Disables x86 floating point extended

			register save and restore. The kernel will only save

			legacy floating-point registers on task switch.



	nohlt		[BUGS=ARM]



	no-hlt		[BUGS=IA-32] Tells the kernel that the hlt

	no-hlt		[BUGS=X86-32] Tells the kernel that the hlt

			instruction doesn't work correctly and not to

			use it.
@@ -1141,12 +1141,12 @@ and is between 256 and 4096 characters. It is defined in the file 
			Valid arguments: on, off

			Default: on



	noirqbalance	[IA-32,SMP,KNL] Disable kernel irq balancing

	noirqbalance	[X86-32,SMP,KNL] Disable kernel irq balancing



	noirqdebug	[IA-32] Disables the code which attempts to detect and

	noirqdebug	[X86-32] Disables the code which attempts to detect and

			disable unhandled interrupt sources.



	no_timer_check	[IA-32,X86_64,APIC] Disables the code which tests for

	no_timer_check	[X86-32,X86_64,APIC] Disables the code which tests for

			broken timer IRQ sources.



	noisapnp	[ISAPNP] Disables ISA PnP code.
@@ -1158,20 +1158,20 @@ and is between 256 and 4096 characters. It is defined in the file 


	nojitter	[IA64] Disables jitter checking for ITC timers.



	nolapic		[IA-32,APIC] Do not enable or use the local APIC.

	nolapic		[X86-32,APIC] Do not enable or use the local APIC.



	nolapic_timer	[IA-32,APIC] Do not use the local APIC timer.

	nolapic_timer	[X86-32,APIC] Do not use the local APIC timer.



	noltlbs		[PPC] Do not use large page/tlb entries for kernel

			lowmem mapping on PPC40x.



	nomca		[IA-64] Disable machine check abort handling



	nomce		[IA-32] Machine Check Exception

	nomce		[X86-32] Machine Check Exception



	noreplace-paravirt	[IA-32,PV_OPS] Don't patch paravirt_ops

	noreplace-paravirt	[X86-32,PV_OPS] Don't patch paravirt_ops



	noreplace-smp	[IA-32,SMP] Don't replace SMP instructions

	noreplace-smp	[X86-32,SMP] Don't replace SMP instructions

			with UP alternatives



	noresidual	[PPC] Don't use residual data on PReP machines.
@@ -1185,7 +1185,7 @@ and is between 256 and 4096 characters. It is defined in the file 


	nosbagart	[IA-64]



	nosep		[BUGS=IA-32] Disables x86 SYSENTER/SYSEXIT support.

	nosep		[BUGS=X86-32] Disables x86 SYSENTER/SYSEXIT support.



	nosmp		[SMP] Tells an SMP kernel to act as a UP kernel.
@@ -1193,7 +1193,7 @@ and is between 256 and 4096 characters. It is defined in the file 


	nosync		[HW,M68K] Disables sync negotiation for all devices.



	notsc		[BUGS=IA-32] Disable Time Stamp Counter

	notsc		[BUGS=X86-32] Disable Time Stamp Counter



	nousb		[USB] Disable the USB subsystem
@@ -1266,28 +1266,28 @@ and is between 256 and 4096 characters. It is defined in the file 
			See also Documentation/paride.txt.



	pci=option[,option...]	[PCI] various PCI subsystem options:

		off		[IA-32] don't probe for the PCI bus

		bios		[IA-32] force use of PCI BIOS, don't access

		off		[X86-32] don't probe for the PCI bus

		bios		[X86-32] force use of PCI BIOS, don't access

				the hardware directly. Use this if your machine

				has a non-standard PCI host bridge.

		nobios		[IA-32] disallow use of PCI BIOS, only direct

		nobios		[X86-32] disallow use of PCI BIOS, only direct

				hardware access methods are allowed. Use this

				if you experience crashes upon bootup and you

				suspect they are caused by the BIOS.

		conf1		[IA-32] Force use of PCI Configuration

		conf1		[X86-32] Force use of PCI Configuration

				Mechanism 1.

		conf2		[IA-32] Force use of PCI Configuration

		conf2		[X86-32] Force use of PCI Configuration

				Mechanism 2.

		nommconf	[IA-32,X86_64] Disable use of MMCONFIG for PCI

		nommconf	[X86-32,X86_64] Disable use of MMCONFIG for PCI

				Configuration

		nomsi		[MSI] If the PCI_MSI kernel config parameter is

				enabled, this kernel boot option can be used to

				disable the use of MSI interrupts system-wide.

		nosort		[IA-32] Don't sort PCI devices according to

		nosort		[X86-32] Don't sort PCI devices according to

				order given by the PCI BIOS. This sorting is

				done to get a device order compatible with

				older kernels.

		biosirq		[IA-32] Use PCI BIOS calls to get the interrupt

		biosirq		[X86-32] Use PCI BIOS calls to get the interrupt

				routing table. These calls are known to be buggy

				on several machines and they hang the machine

				when used, but on other computers it's the only
@@ -1295,32 +1295,32 @@ and is between 256 and 4096 characters. It is defined in the file 
				this option if the kernel is unable to allocate

				IRQs or discover secondary PCI buses on your

				motherboard.

		rom		[IA-32] Assign address space to expansion ROMs.

		rom		[X86-32] Assign address space to expansion ROMs.

				Use with caution as certain devices share

				address decoders between ROMs and other

				resources.

		irqmask=0xMMMM	[IA-32] Set a bit mask of IRQs allowed to be

		irqmask=0xMMMM	[X86-32] Set a bit mask of IRQs allowed to be

				assigned automatically to PCI devices. You can

				make the kernel exclude IRQs of your ISA cards

				this way.

		pirqaddr=0xAAAAA	[IA-32] Specify the physical address

		pirqaddr=0xAAAAA	[X86-32] Specify the physical address

				of the PIRQ table (normally generated

				by the BIOS) if it is outside the

				F0000h-100000h range.

		lastbus=N	[IA-32] Scan all buses thru bus #N. Can be

		lastbus=N	[X86-32] Scan all buses thru bus #N. Can be

				useful if the kernel is unable to find your

				secondary buses and you want to tell it

				explicitly which ones they are.

		assign-busses	[IA-32] Always assign all PCI bus

		assign-busses	[X86-32] Always assign all PCI bus

				numbers ourselves, overriding

				whatever the firmware may have done.

		usepirqmask	[IA-32] Honor the possible IRQ mask stored

		usepirqmask	[X86-32] Honor the possible IRQ mask stored

				in the BIOS $PIR table. This is needed on

				some systems with broken BIOSes, notably

				some HP Pavilion N5400 and Omnibook XE3

				notebooks. This will have no effect if ACPI

				IRQ routing is enabled.

		noacpi		[IA-32] Do not use ACPI for IRQ routing

		noacpi		[X86-32] Do not use ACPI for IRQ routing

				or for PCI scanning.

		routeirq	Do IRQ routing for all PCI devices.

				This is normally done in pci_enable_device(),
@@ -1469,13 +1469,13 @@ and is between 256 and 4096 characters. It is defined in the file 
			Run specified binary instead of /init from the ramdisk,

			used for early userspace startup. See initrd.



	reboot=		[BUGS=IA-32,BUGS=ARM,BUGS=IA-64] Rebooting mode

	reboot=		[BUGS=X86-32,BUGS=ARM,BUGS=IA-64] Rebooting mode

			Format: <reboot_mode>[,<reboot_mode2>[,...]]

			See arch/*/kernel/reboot.c or arch/*/kernel/process.c			



	reserve=	[KNL,BUGS] Force the kernel to ignore some iomem area



	reservetop=	[IA-32]

	reservetop=	[X86-32]

			Format: nn[KMG]

			Reserves a hole at the top of the kernel virtual

			address space.
@@ -1566,7 +1566,7 @@ and is between 256 and 4096 characters. It is defined in the file 
                        Value can be changed at runtime via

                        /selinux/compat_net.



	serialnumber	[BUGS=IA-32]

	serialnumber	[BUGS=X86-32]



	sg_def_reserved_size=	[SCSI]
@@ -1619,7 +1619,7 @@ and is between 256 and 4096 characters. It is defined in the file 
	smart2=		[HW]

			Format: <io1>[,<io2>[,...,<io8>]]



	smp-alt-once	[IA-32,SMP] On a hotplug CPU system, only

	smp-alt-once	[X86-32,SMP] On a hotplug CPU system, only

			attempt to substitute SMP alternatives once at boot.



	smsc-ircc2.nopnp	[HW] Don't use PNP to discover SMC devices
@@ -1884,7 +1884,7 @@ and is between 256 and 4096 characters. It is defined in the file 
	usbhid.mousepoll=

			[USBHID] The interval which mice are to be polled at.



	vdso=		[IA-32,SH,x86-64]

	vdso=		[X86-32,SH,x86-64]

			vdso=2: enable compat VDSO (default with COMPAT_VDSO)

			vdso=1: enable VDSO (default)

			vdso=0: disable VDSO mapping
@@ -1895,7 +1895,7 @@ and is between 256 and 4096 characters. It is defined in the file 
	video=		[FB] Frame buffer configuration

			See Documentation/fb/modedb.txt.



	vga=		[BOOT,IA-32] Select a particular video mode

	vga=		[BOOT,X86-32] Select a particular video mode

			See Documentation/i386/boot.txt and

			Documentation/svga.txt.

			Use vga=ask for menu.