Loading Documentation/kernel-parameters.txt +260 −236 Original line number Diff line number Diff line Loading @@ -17,7 +17,7 @@ are specified on the kernel command line with the module name plus usbcore.blinkenlights=1 The text in square brackets at the beginning of the description state the The text in square brackets at the beginning of the description states the restrictions on the kernel for the said kernel parameter to be valid. The restrictions referred to are that the relevant option is valid if: Loading Loading @@ -71,7 +71,7 @@ restrictions referred to are that the relevant option is valid if: SERIAL Serial support is enabled. SMP The kernel is an SMP kernel. SPARC Sparc architecture is enabled. SWSUSP Software suspension is enabled. SWSUSP Software suspend is enabled. TS Appropriate touchscreen support is enabled. USB USB support is enabled. USBHID USB Human Interface Device support is enabled. Loading Loading @@ -106,7 +106,7 @@ running once the system is up. See also Documentation/scsi/ncr53c7xx.txt. acpi= [HW,ACPI] Advanced Configuration and Power Interface Format: { force | off | ht | strict } Format: { force | off | ht | strict | noirq } force -- enable ACPI if default was off off -- disable ACPI if default was on noirq -- do not use ACPI for IRQ routing Loading @@ -123,16 +123,19 @@ running once the system is up. acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode Format: { level | edge | high | low } acpi_irq_balance [HW,ACPI] ACPI will balance active IRQs acpi_irq_balance [HW,ACPI] ACPI will balance active IRQs default in APIC mode acpi_irq_nobalance [HW,ACPI] ACPI will not move active IRQs (default) acpi_irq_nobalance [HW,ACPI] ACPI will not move active IRQs (default) default in PIC mode acpi_irq_pci= [HW,ACPI] If irq_balance, Clear listed IRQs for use by PCI acpi_irq_pci= [HW,ACPI] If irq_balance, clear listed IRQs for use by PCI Format: <irq>,<irq>... acpi_irq_isa= [HW,ACPI] If irq_balance, Mark listed IRQs used by ISA acpi_irq_isa= [HW,ACPI] If irq_balance, mark listed IRQs used by ISA Format: <irq>,<irq>... acpi_osi= [HW,ACPI] empty param disables _OSI Loading @@ -145,14 +148,14 @@ running once the system is up. acpi_dbg_layer= [HW,ACPI] Format: <int> Each bit of the <int> indicates an acpi debug layer, Each bit of the <int> indicates an ACPI debug layer, 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set via /proc/acpi/debug_layer. acpi_dbg_level= [HW,ACPI] Format: <int> Each bit of the <int> indicates an acpi debug level, Each bit of the <int> indicates an ACPI debug level, 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set via /proc/acpi/debug_level. Loading @@ -161,12 +164,13 @@ running once the system is up. acpi_generic_hotkey [HW,ACPI] Allow consolidated generic hotkey driver to over-ride platform specific driver. override platform specific driver. See also Documentation/acpi-hotkey.txt. enable_timer_pin_1 [i386,x86-64] Enable PIN 1 of APIC timer Can be useful to work around chipset bugs (in particular on some ATI chipsets) Can be useful to work around chipset bugs (in particular on some ATI chipsets). The kernel tries to set a reasonable default. disable_timer_pin_1 [i386,x86-64] Loading Loading @@ -205,10 +209,6 @@ running once the system is up. aic79xx= [HW,SCSI] See Documentation/scsi/aic79xx.txt. AM53C974= [HW,SCSI] Format: <host-scsi-id>,<target-scsi-id>,<max-rate>,<max-offset> See also header of drivers/scsi/AM53C974.c. amijoy.map= [HW,JOY] Amiga joystick support Map of devices attached to JOY0DAT and JOY1DAT Format: <a>,<b> Loading @@ -219,7 +219,8 @@ running once the system is up. connected to one of 16 gameports Format: <type1>,<type2>,..<type16> apc= [HW,SPARC] Power management functions (SPARCstation-4/5 + deriv.) apc= [HW,SPARC] Power management functions (SPARCstation-4/5 + deriv.) Format: noidle Disable APC CPU standby support. SPARCstation-Fox does not play well with APC CPU idle - disable it if you have Loading Loading @@ -251,7 +252,7 @@ running once the system is up. atkbd.reset= [HW] Reset keyboard during initialization atkbd.set= [HW] Select keyboard code set Format: <int> (2 = AT (default) 3 = PS/2) Format: <int> (2 = AT (default), 3 = PS/2) atkbd.scroll= [HW] Enable scroll wheel on MS Office and similar keyboards Loading @@ -259,8 +260,8 @@ running once the system is up. atkbd.softraw= [HW] Choose between synthetic and real raw mode Format: <bool> (0 = real, 1 = synthetic (default)) atkbd.softrepeat= [HW] Use software keyboard repeat atkbd.softrepeat= [HW] Use software keyboard repeat autotest [IA64] Loading @@ -277,11 +278,13 @@ running once the system is up. Format: <io>,<mode> See header of drivers/net/hamradio/baycom_par.c. baycom_ser_fdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Full Duplex Mode) baycom_ser_fdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Full Duplex Mode) Format: <io>,<irq>,<mode>[,<baud>] See header of drivers/net/hamradio/baycom_ser_fdx.c. baycom_ser_hdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Half Duplex Mode) baycom_ser_hdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Half Duplex Mode) Format: <io>,<irq>,<mode> See header of drivers/net/hamradio/baycom_ser_hdx.c. Loading @@ -292,7 +295,8 @@ running once the system is up. blkmtd_count= bttv.card= [HW,V4L] bttv (bt848 + bt878 based grabber cards) bttv.radio= Most important insmod options are available as kernel args too. bttv.radio= Most important insmod options are available as kernel args too. bttv.pll= See Documentation/video4linux/bttv/Insmod-options bttv.tuner= and Documentation/video4linux/bttv/CARDLIST Loading @@ -318,15 +322,17 @@ running once the system is up. checkreqprot [SELINUX] Set initial checkreqprot flag value. Format: { "0" | "1" } See security/selinux/Kconfig help text. 0 -- check protection applied by kernel (includes any implied execute protection). 0 -- check protection applied by kernel (includes any implied execute protection). 1 -- check protection requested by application. Default value is set via a kernel config option. 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. when calculating gettimeofday(). If specicified timesource is not avalible, it defaults to PIT. Format: { pit | tsc | cyclone | pmtmr } hpet= [IA-32,HPET] option to disable HPET and use PIT. Loading @@ -336,12 +342,14 @@ running once the system is up. Format: { auto | [<io>,][<irq>] } com20020= [HW,NET] ARCnet - COM20020 chipset Format: <io>[,<irq>[,<nodeID>[,<backplane>[,<ckp>[,<timeout>]]]]] Format: <io>[,<irq>[,<nodeID>[,<backplane>[,<ckp>[,<timeout>]]]]] com90io= [HW,NET] ARCnet - COM90xx chipset (IO-mapped buffers) Format: <io>[,<irq>] com90xx= [HW,NET] ARCnet - COM90xx chipset (memory-mapped buffers) com90xx= [HW,NET] ARCnet - COM90xx chipset (memory-mapped buffers) Format: <io>[,<irq>[,<memstart>]] condev= [HW,S390] console device Loading @@ -367,7 +375,8 @@ running once the system is up. options are the same as for ttyS, above. cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver Format: <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] Format: <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] cpia_pp= [HW,PPT] Format: { parport<nr> | auto | none } Loading Loading @@ -428,7 +437,7 @@ running once the system is up. earlyprintk=vga earlyprintk=serial[,ttySn[,baudrate]] Append ,keep to not disable it when the real console Append ",keep" to not disable it when the real console takes over. Only vga or serial at a time, not both. Loading Loading @@ -463,11 +472,12 @@ running once the system is up. elevator= [IOSCHED] Format: {"as" | "cfq" | "deadline" | "noop"} See Documentation/block/as-iosched.txt and Documentation/block/deadline-iosched.txt for details. See Documentation/block/as-iosched.txt and Documentation/block/deadline-iosched.txt for details. elfcorehdr= [IA-32] Specifies physical address of start of kernel core image elf header. Specifies physical address of start of kernel core image elf header. See Documentation/kdump.txt for details. enforcing [SELINUX] Set initial enforcing status. Loading Loading @@ -532,6 +542,7 @@ running once the system is up. hashdist= [KNL,NUMA] Large hashes allocated during boot are distributed across NUMA nodes. Defaults on for IA-64, off otherwise. Format: 0 | 1 (for off | on) hcl= [IA-64] SGI's Hardware Graph compatibility layer Loading Loading @@ -661,9 +672,9 @@ running once the system is up. "number of CPUs in system - 1". This option is the preferred way to isolate CPUs. The alternative - manually setting the CPU mask of all tasks in the system can cause problems and suboptimal load balancer performance. alternative -- manually setting the CPU mask of all tasks in the system -- can cause problems and suboptimal load balancer performance. isp16= [HW,CD] Format: <io>,<irq>,<dma>,<setup> Loading @@ -680,13 +691,14 @@ running once the system is up. l2cr= [PPC] lapic [IA-32,APIC] Enable the local APIC even if BIOS disabled it. lapic [IA-32,APIC] Enable the local APIC even if BIOS disabled it. lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip Format: addr:<io>,irq:<irq> llsc*= [IA64] See function print_params() in arch/ia64/sn/kernel/llsc4.c. llsc*= [IA64] See function print_params() in arch/ia64/sn/kernel/llsc4.c. load_ramdisk= [RAM] List of ramdisks to load from floppy See Documentation/ramdisk.txt. Loading @@ -713,8 +725,9 @@ running once the system is up. 7 (KERN_DEBUG) debug-level messages log_buf_len=n Sets the size of the printk ring buffer, in bytes. Format is n, nk, nM. n must be a power of two. The default is set in kernel config. Format: { n | nk | nM } n must be a power of two. The default size is set in the kernel config file. lp=0 [LP] Specify parallel ports to use, e.g, lp=port[,port...] lp=none,parport0 (lp0 not configured, lp1 uses Loading Loading @@ -750,18 +763,18 @@ running once the system is up. ltpc= [NET] Format: <io>,<irq>,<dma> mac5380= [HW,SCSI] Format: <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac5380= [HW,SCSI] Format: <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac53c9x= [HW,SCSI] Format: <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac53c9x= [HW,SCSI] Format: <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> machvec= [IA64] Force the use of a particular machine-vector (machvec) in a generic kernel. Example: machvec=hpzx1_swiotlb machvec= [IA64] Force the use of a particular machine-vector (machvec) in a generic kernel. Example: machvec=hpzx1_swiotlb mad16= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> mad16= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> maui= [HW,OSS] Format: <io>,<irq> Loading @@ -776,11 +789,11 @@ running once the system is up. max_addr=[KMG] [KNL,BOOT,ia64] All physical memory greater than or equal to this physical address is ignored. max_luns= [SCSI] Maximum number of LUNs to probe max_luns= [SCSI] Maximum number of LUNs to probe. Should be between 1 and 2^32-1. max_report_luns= [SCSI] Maximum number of LUNs received [SCSI] Maximum number of LUNs received. Should be between 1 and 16384. mca-pentium [BUGS=IA-32] Loading Loading @@ -851,15 +864,15 @@ running once the system is up. MTD_Partition= [MTD] Format: <name>,<region-number>,<size>,<offset> MTD_Region= [MTD] Format: <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] MTD_Region= [MTD] Format: <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] mtdparts= [MTD] See drivers/mtd/cmdline.c. mtouchusb.raw_coordinates= [HW] Make the MicroTouch USB driver use raw coordinates ('y', default) or cooked coordinates ('n') [HW] Make the MicroTouch USB driver use raw coordinates ('y', default) or cooked coordinates ('n') n2= [NET] SDL Inc. RISCom/N2 synchronous serial card Loading @@ -880,6 +893,8 @@ running once the system is up. Format: <irq>,<io>,<mem_start>,<mem_end>,<name> Note that mem_start is often overloaded to mean something different and driver-specific. This usage is only documented in each driver source file if at all. nfsaddrs= [NFS] See Documentation/nfsroot.txt. Loading Loading @@ -948,7 +963,8 @@ running once the system is up. noresidual [PPC] Don't use residual data on PReP machines. noresume [SWSUSP] Disables resume and restore original swap space. noresume [SWSUSP] Disables resume and restores original swap space. no-scroll [VGA] Disables scrollback. This is required for the Braillex ib80-piezo Braille Loading @@ -972,8 +988,8 @@ running once the system is up. 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] opl3sa2= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<mss_io>,<mpu_io>,<ymode>,<loopback>[,<isapnp>,<multiple] oprofile.timer= [HW] Use timer interrupt instead of performance counters Loading @@ -995,33 +1011,30 @@ running once the system is up. 0 for XT, 1 for AT (default is AT). Format: <mode> parport=0 [HW,PPT] Specify parallel ports. 0 disables. parport=auto Use 'auto' to force the driver to use parport=0xBBB[,IRQ[,DMA]] any IRQ/DMA settings detected (the default is to ignore detected IRQ/DMA settings because of possible conflicts). You can specify the base address, IRQ, and DMA settings; IRQ and DMA should be numbers, or 'auto' (for using detected settings on that particular port), or 'nofifo' (to avoid using a FIFO even if it is detected). Parallel ports are assigned in the order they are specified on the command line, starting with parport0. parport_init_mode= [HW,PPT] Configure VIA parallel port to operate in specific mode. This is necessary on Pegasos computer where firmware has no options for setting up parallel port mode and sets it to spp. Currently this function knows 686a and 8231 chips. parport= [HW,PPT] Specify parallel ports. 0 disables. Format: { 0 | auto | 0xBBB[,IRQ[,DMA]] } Use 'auto' to force the driver to use any IRQ/DMA settings detected (the default is to ignore detected IRQ/DMA settings because of possible conflicts). You can specify the base address, IRQ, and DMA settings; IRQ and DMA should be numbers, or 'auto' (for using detected settings on that particular port), or 'nofifo' (to avoid using a FIFO even if it is detected). Parallel ports are assigned in the order they are specified on the command line, starting with parport0. parport_init_mode= [HW,PPT] Configure VIA parallel port to operate in a specific mode. This is necessary on Pegasos computer where firmware has no options for setting up parallel port mode and sets it to spp. Currently this function knows 686a and 8231 chips. Format: [spp|ps2|epp|ecp|ecpepp] pas2= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> pas2= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> pas16= [HW,SCSI] See header of drivers/scsi/pas16.c. Loading @@ -1041,55 +1054,58 @@ running once the system is up. 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 Mechanism 1. conf2 [IA-32] Force use of PCI Configuration Mechanism 2. conf1 [IA-32] Force use of PCI Configuration Mechanism 1. conf2 [IA-32] Force use of PCI Configuration Mechanism 2. nosort [IA-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. 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 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 way to get the interrupt routing table. Try this option if the kernel is unable to allocate IRQs or discover secondary PCI buses on your motherboard. on several machines and they hang the machine when used, but on other computers it's the only way to get the interrupt routing table. Try 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. 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 assigned automatically to PCI devices. You can make the kernel exclude IRQs of your ISA cards this way. 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 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 of the PIRQ table (normally generated by the BIOS) if it is outside the F0000h-100000h range. lastbus=N [IA-32] Scan all buses till 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. lastbus=N [IA-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 numbers ourselves, overriding whatever the firmware may have done. usepirqmask [IA-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. whatever the firmware may have done. usepirqmask [IA-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 or for PCI scanning. routeirq Do IRQ routing for all PCI devices. This is normally done in pci_enable_device(), so this option is a temporary workaround for broken drivers that don't call it. firmware [ARM] Do not re-enumerate the bus but instead just use the configuration from the bootloader. This is currently used on IXP2000 systems where the bus has to be configured a certain way for adjunct CPUs. firmware [ARM] Do not re-enumerate the bus but instead just use the configuration from the bootloader. This is currently used on IXP2000 systems where the bus has to be configured a certain way for adjunct CPUs. pcmv= [HW,PCMCIA] BadgePAD 4 Loading Loading @@ -1130,14 +1146,15 @@ running once the system is up. Ranges are in pairs (I/O port base and size). pnp_reserve_mem= [ISAPNP] Exclude memory regions for the autoconfiguration [ISAPNP] Exclude memory regions for the autoconfiguration. Ranges are in pairs (memory base and size). profile= [KNL] Enable kernel profiling via /proc/profile { schedule | <number> } (param: schedule - profile schedule points} (param: profile step/bucket size as a power of 2 for statistical time based profiling) Format: [schedule,]<number> Param: "schedule" - profile schedule points. Param: <number> - step/bucket size as a power of 2 for statistical time based profiling. processor.max_cstate= [HW,ACPI] Limit processor to maximum C-state Loading @@ -1148,20 +1165,21 @@ running once the system is up. See Documentation/ramdisk.txt. psmouse.proto= [HW,MOUSE] Highest PS2 mouse protocol extension to probe for (bare|imps|exps|lifebook|any). probe for; one of (bare|imps|exps|lifebook|any). psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports per second. psmouse.resetafter= [HW,MOUSE] Try to reset the device after so many bad packets psmouse.resetafter= [HW,MOUSE] Try to reset the device after so many bad packets (0 = never). psmouse.resolution= [HW,MOUSE] Set desired mouse resolution, in dpi. psmouse.smartscroll= [HW,MOUSE] Controls Logitech smartscroll autorepeat, [HW,MOUSE] Controls Logitech smartscroll autorepeat. 0 = disabled, 1 = enabled (default). pss= [HW,OSS] Personal Sound System (ECHO ESC614) Format: <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq> Format: <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq> pt. [PARIDE] See Documentation/paride.txt. Loading @@ -1176,8 +1194,7 @@ running once the system is up. ramdisk= [RAM] Sizes of RAM disks in kilobytes [deprecated] See Documentation/ramdisk.txt. ramdisk_blocksize= [RAM] ramdisk_blocksize= [RAM] See Documentation/ramdisk.txt. ramdisk_size= [RAM] Sizes of RAM disks in kilobytes Loading @@ -1195,7 +1212,8 @@ running once the system is up. reserve= [KNL,BUGS] Force the kernel to ignore some iomem area resume= [SWSUSP] Specify the partition device for software suspension resume= [SWSUSP] Specify the partition device for software suspend rhash_entries= [KNL,NET] Set number of hash buckets for route cache Loading Loading @@ -1258,8 +1276,7 @@ running once the system is up. serialnumber [BUGS=IA-32] sg_def_reserved_size= [SCSI] sg_def_reserved_size= [SCSI] sgalaxy= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<sgbase> Loading Loading @@ -1479,14 +1496,16 @@ running once the system is up. tp720= [HW,PS2] trix= [HW,OSS] MediaTrix AudioTrix Pro Format: <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq> 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: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> turbografx.map[2|3]= [HW,JOY] TurboGraFX parallel port interface Format: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> See also Documentation/input/joystick-parport.txt u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter Loading @@ -1507,12 +1526,13 @@ running once the system is up. See Documentation/fb/modedb.txt. vga= [BOOT,IA-32] Select a particular video mode See Documentation/i386/boot.txt and Documentation/svga.txt. See Documentation/i386/boot.txt and Documentation/svga.txt. Use vga=ask for menu. This is actually a boot loader parameter; the value is passed to the kernel using a special protocol. vmalloc=nn[KMG] [KNL,BOOT] forces the vmalloc area to have an exact vmalloc=nn[KMG] [KNL,BOOT] Forces the vmalloc area to have an exact size of <nn>. This can be used to increase the minimum size (128MB on x86). It can also be used to decrease the size and leave more room for directly Loading @@ -1538,21 +1558,25 @@ running once the system is up. xd_geo= See header of drivers/block/xd.c. xirc2ps_cs= [NET,PCMCIA] Format: <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] Format: <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] ______________________________________________________________________ Changelog: The last known update (for 2.4.0) - the changelog was not kept before. 2000-06-?? Mr. Unknown The last known update (for 2.4.0) - the changelog was not kept before. 2002-11-24 Petr Baudis <pasky@ucw.cz> Randy Dunlap <randy.dunlap@verizon.net> Update for 2.5.49, description for most of the options introduced, references to other documentation (C files, READMEs, ..), added S390, PPC, SPARC, MTD, ALSA and OSS category. Minor corrections and reformatting. 2002-11-24 Petr Baudis <pasky@ucw.cz> Randy Dunlap <randy.dunlap@verizon.net> 2005-10-19 Randy Dunlap <rdunlap@xenotime.net> Lots of typos, whitespace, some reformatting. TODO: Loading Makefile +1 −1 Original line number Diff line number Diff line VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 14 EXTRAVERSION =-rc5 EXTRAVERSION = NAME=Affluent Albatross # *DOCUMENTATION* Loading arch/arm/mach-pxa/corgi_lcd.c +2 −0 Original line number Diff line number Diff line Loading @@ -488,6 +488,7 @@ static int is_pxafb_device(struct device * dev, void * data) unsigned long spitz_get_hsync_len(void) { #ifdef CONFIG_FB_PXA if (!spitz_pxafb_dev) { spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device); if (!spitz_pxafb_dev) Loading @@ -496,6 +497,7 @@ unsigned long spitz_get_hsync_len(void) if (!get_hsync_time) get_hsync_time = symbol_get(pxafb_get_hsync_time); if (!get_hsync_time) #endif return 0; return pxafb_get_hsync_time(spitz_pxafb_dev); Loading arch/um/include/sysdep-i386/thread.h +1 −1 Original line number Diff line number Diff line Loading @@ -4,7 +4,7 @@ #include <kern_constants.h> #define TASK_DEBUGREGS(task) ((unsigned long *) &(((char *) (task))[HOST_TASK_DEBUGREGS])) #ifdef CONFIG_MODE_TT #ifdef UML_CONFIG_MODE_TT #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif Loading arch/um/include/sysdep-x86_64/thread.h +1 −1 Original line number Diff line number Diff line Loading @@ -3,7 +3,7 @@ #include <kern_constants.h> #ifdef CONFIG_MODE_TT #ifdef UML_CONFIG_MODE_TT #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif Loading Loading
Documentation/kernel-parameters.txt +260 −236 Original line number Diff line number Diff line Loading @@ -17,7 +17,7 @@ are specified on the kernel command line with the module name plus usbcore.blinkenlights=1 The text in square brackets at the beginning of the description state the The text in square brackets at the beginning of the description states the restrictions on the kernel for the said kernel parameter to be valid. The restrictions referred to are that the relevant option is valid if: Loading Loading @@ -71,7 +71,7 @@ restrictions referred to are that the relevant option is valid if: SERIAL Serial support is enabled. SMP The kernel is an SMP kernel. SPARC Sparc architecture is enabled. SWSUSP Software suspension is enabled. SWSUSP Software suspend is enabled. TS Appropriate touchscreen support is enabled. USB USB support is enabled. USBHID USB Human Interface Device support is enabled. Loading Loading @@ -106,7 +106,7 @@ running once the system is up. See also Documentation/scsi/ncr53c7xx.txt. acpi= [HW,ACPI] Advanced Configuration and Power Interface Format: { force | off | ht | strict } Format: { force | off | ht | strict | noirq } force -- enable ACPI if default was off off -- disable ACPI if default was on noirq -- do not use ACPI for IRQ routing Loading @@ -123,16 +123,19 @@ running once the system is up. acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode Format: { level | edge | high | low } acpi_irq_balance [HW,ACPI] ACPI will balance active IRQs acpi_irq_balance [HW,ACPI] ACPI will balance active IRQs default in APIC mode acpi_irq_nobalance [HW,ACPI] ACPI will not move active IRQs (default) acpi_irq_nobalance [HW,ACPI] ACPI will not move active IRQs (default) default in PIC mode acpi_irq_pci= [HW,ACPI] If irq_balance, Clear listed IRQs for use by PCI acpi_irq_pci= [HW,ACPI] If irq_balance, clear listed IRQs for use by PCI Format: <irq>,<irq>... acpi_irq_isa= [HW,ACPI] If irq_balance, Mark listed IRQs used by ISA acpi_irq_isa= [HW,ACPI] If irq_balance, mark listed IRQs used by ISA Format: <irq>,<irq>... acpi_osi= [HW,ACPI] empty param disables _OSI Loading @@ -145,14 +148,14 @@ running once the system is up. acpi_dbg_layer= [HW,ACPI] Format: <int> Each bit of the <int> indicates an acpi debug layer, Each bit of the <int> indicates an ACPI debug layer, 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set via /proc/acpi/debug_layer. acpi_dbg_level= [HW,ACPI] Format: <int> Each bit of the <int> indicates an acpi debug level, Each bit of the <int> indicates an ACPI debug level, 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set via /proc/acpi/debug_level. Loading @@ -161,12 +164,13 @@ running once the system is up. acpi_generic_hotkey [HW,ACPI] Allow consolidated generic hotkey driver to over-ride platform specific driver. override platform specific driver. See also Documentation/acpi-hotkey.txt. enable_timer_pin_1 [i386,x86-64] Enable PIN 1 of APIC timer Can be useful to work around chipset bugs (in particular on some ATI chipsets) Can be useful to work around chipset bugs (in particular on some ATI chipsets). The kernel tries to set a reasonable default. disable_timer_pin_1 [i386,x86-64] Loading Loading @@ -205,10 +209,6 @@ running once the system is up. aic79xx= [HW,SCSI] See Documentation/scsi/aic79xx.txt. AM53C974= [HW,SCSI] Format: <host-scsi-id>,<target-scsi-id>,<max-rate>,<max-offset> See also header of drivers/scsi/AM53C974.c. amijoy.map= [HW,JOY] Amiga joystick support Map of devices attached to JOY0DAT and JOY1DAT Format: <a>,<b> Loading @@ -219,7 +219,8 @@ running once the system is up. connected to one of 16 gameports Format: <type1>,<type2>,..<type16> apc= [HW,SPARC] Power management functions (SPARCstation-4/5 + deriv.) apc= [HW,SPARC] Power management functions (SPARCstation-4/5 + deriv.) Format: noidle Disable APC CPU standby support. SPARCstation-Fox does not play well with APC CPU idle - disable it if you have Loading Loading @@ -251,7 +252,7 @@ running once the system is up. atkbd.reset= [HW] Reset keyboard during initialization atkbd.set= [HW] Select keyboard code set Format: <int> (2 = AT (default) 3 = PS/2) Format: <int> (2 = AT (default), 3 = PS/2) atkbd.scroll= [HW] Enable scroll wheel on MS Office and similar keyboards Loading @@ -259,8 +260,8 @@ running once the system is up. atkbd.softraw= [HW] Choose between synthetic and real raw mode Format: <bool> (0 = real, 1 = synthetic (default)) atkbd.softrepeat= [HW] Use software keyboard repeat atkbd.softrepeat= [HW] Use software keyboard repeat autotest [IA64] Loading @@ -277,11 +278,13 @@ running once the system is up. Format: <io>,<mode> See header of drivers/net/hamradio/baycom_par.c. baycom_ser_fdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Full Duplex Mode) baycom_ser_fdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Full Duplex Mode) Format: <io>,<irq>,<mode>[,<baud>] See header of drivers/net/hamradio/baycom_ser_fdx.c. baycom_ser_hdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Half Duplex Mode) baycom_ser_hdx= [HW,AX25] BayCom Serial Port AX.25 Modem (Half Duplex Mode) Format: <io>,<irq>,<mode> See header of drivers/net/hamradio/baycom_ser_hdx.c. Loading @@ -292,7 +295,8 @@ running once the system is up. blkmtd_count= bttv.card= [HW,V4L] bttv (bt848 + bt878 based grabber cards) bttv.radio= Most important insmod options are available as kernel args too. bttv.radio= Most important insmod options are available as kernel args too. bttv.pll= See Documentation/video4linux/bttv/Insmod-options bttv.tuner= and Documentation/video4linux/bttv/CARDLIST Loading @@ -318,15 +322,17 @@ running once the system is up. checkreqprot [SELINUX] Set initial checkreqprot flag value. Format: { "0" | "1" } See security/selinux/Kconfig help text. 0 -- check protection applied by kernel (includes any implied execute protection). 0 -- check protection applied by kernel (includes any implied execute protection). 1 -- check protection requested by application. Default value is set via a kernel config option. 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. when calculating gettimeofday(). If specicified timesource is not avalible, it defaults to PIT. Format: { pit | tsc | cyclone | pmtmr } hpet= [IA-32,HPET] option to disable HPET and use PIT. Loading @@ -336,12 +342,14 @@ running once the system is up. Format: { auto | [<io>,][<irq>] } com20020= [HW,NET] ARCnet - COM20020 chipset Format: <io>[,<irq>[,<nodeID>[,<backplane>[,<ckp>[,<timeout>]]]]] Format: <io>[,<irq>[,<nodeID>[,<backplane>[,<ckp>[,<timeout>]]]]] com90io= [HW,NET] ARCnet - COM90xx chipset (IO-mapped buffers) Format: <io>[,<irq>] com90xx= [HW,NET] ARCnet - COM90xx chipset (memory-mapped buffers) com90xx= [HW,NET] ARCnet - COM90xx chipset (memory-mapped buffers) Format: <io>[,<irq>[,<memstart>]] condev= [HW,S390] console device Loading @@ -367,7 +375,8 @@ running once the system is up. options are the same as for ttyS, above. cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver Format: <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] Format: <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>] cpia_pp= [HW,PPT] Format: { parport<nr> | auto | none } Loading Loading @@ -428,7 +437,7 @@ running once the system is up. earlyprintk=vga earlyprintk=serial[,ttySn[,baudrate]] Append ,keep to not disable it when the real console Append ",keep" to not disable it when the real console takes over. Only vga or serial at a time, not both. Loading Loading @@ -463,11 +472,12 @@ running once the system is up. elevator= [IOSCHED] Format: {"as" | "cfq" | "deadline" | "noop"} See Documentation/block/as-iosched.txt and Documentation/block/deadline-iosched.txt for details. See Documentation/block/as-iosched.txt and Documentation/block/deadline-iosched.txt for details. elfcorehdr= [IA-32] Specifies physical address of start of kernel core image elf header. Specifies physical address of start of kernel core image elf header. See Documentation/kdump.txt for details. enforcing [SELINUX] Set initial enforcing status. Loading Loading @@ -532,6 +542,7 @@ running once the system is up. hashdist= [KNL,NUMA] Large hashes allocated during boot are distributed across NUMA nodes. Defaults on for IA-64, off otherwise. Format: 0 | 1 (for off | on) hcl= [IA-64] SGI's Hardware Graph compatibility layer Loading Loading @@ -661,9 +672,9 @@ running once the system is up. "number of CPUs in system - 1". This option is the preferred way to isolate CPUs. The alternative - manually setting the CPU mask of all tasks in the system can cause problems and suboptimal load balancer performance. alternative -- manually setting the CPU mask of all tasks in the system -- can cause problems and suboptimal load balancer performance. isp16= [HW,CD] Format: <io>,<irq>,<dma>,<setup> Loading @@ -680,13 +691,14 @@ running once the system is up. l2cr= [PPC] lapic [IA-32,APIC] Enable the local APIC even if BIOS disabled it. lapic [IA-32,APIC] Enable the local APIC even if BIOS disabled it. lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip Format: addr:<io>,irq:<irq> llsc*= [IA64] See function print_params() in arch/ia64/sn/kernel/llsc4.c. llsc*= [IA64] See function print_params() in arch/ia64/sn/kernel/llsc4.c. load_ramdisk= [RAM] List of ramdisks to load from floppy See Documentation/ramdisk.txt. Loading @@ -713,8 +725,9 @@ running once the system is up. 7 (KERN_DEBUG) debug-level messages log_buf_len=n Sets the size of the printk ring buffer, in bytes. Format is n, nk, nM. n must be a power of two. The default is set in kernel config. Format: { n | nk | nM } n must be a power of two. The default size is set in the kernel config file. lp=0 [LP] Specify parallel ports to use, e.g, lp=port[,port...] lp=none,parport0 (lp0 not configured, lp1 uses Loading Loading @@ -750,18 +763,18 @@ running once the system is up. ltpc= [NET] Format: <io>,<irq>,<dma> mac5380= [HW,SCSI] Format: <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac5380= [HW,SCSI] Format: <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac53c9x= [HW,SCSI] Format: <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac53c9x= [HW,SCSI] Format: <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> machvec= [IA64] Force the use of a particular machine-vector (machvec) in a generic kernel. Example: machvec=hpzx1_swiotlb machvec= [IA64] Force the use of a particular machine-vector (machvec) in a generic kernel. Example: machvec=hpzx1_swiotlb mad16= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> mad16= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> maui= [HW,OSS] Format: <io>,<irq> Loading @@ -776,11 +789,11 @@ running once the system is up. max_addr=[KMG] [KNL,BOOT,ia64] All physical memory greater than or equal to this physical address is ignored. max_luns= [SCSI] Maximum number of LUNs to probe max_luns= [SCSI] Maximum number of LUNs to probe. Should be between 1 and 2^32-1. max_report_luns= [SCSI] Maximum number of LUNs received [SCSI] Maximum number of LUNs received. Should be between 1 and 16384. mca-pentium [BUGS=IA-32] Loading Loading @@ -851,15 +864,15 @@ running once the system is up. MTD_Partition= [MTD] Format: <name>,<region-number>,<size>,<offset> MTD_Region= [MTD] Format: <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] MTD_Region= [MTD] Format: <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] mtdparts= [MTD] See drivers/mtd/cmdline.c. mtouchusb.raw_coordinates= [HW] Make the MicroTouch USB driver use raw coordinates ('y', default) or cooked coordinates ('n') [HW] Make the MicroTouch USB driver use raw coordinates ('y', default) or cooked coordinates ('n') n2= [NET] SDL Inc. RISCom/N2 synchronous serial card Loading @@ -880,6 +893,8 @@ running once the system is up. Format: <irq>,<io>,<mem_start>,<mem_end>,<name> Note that mem_start is often overloaded to mean something different and driver-specific. This usage is only documented in each driver source file if at all. nfsaddrs= [NFS] See Documentation/nfsroot.txt. Loading Loading @@ -948,7 +963,8 @@ running once the system is up. noresidual [PPC] Don't use residual data on PReP machines. noresume [SWSUSP] Disables resume and restore original swap space. noresume [SWSUSP] Disables resume and restores original swap space. no-scroll [VGA] Disables scrollback. This is required for the Braillex ib80-piezo Braille Loading @@ -972,8 +988,8 @@ running once the system is up. 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] opl3sa2= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<mss_io>,<mpu_io>,<ymode>,<loopback>[,<isapnp>,<multiple] oprofile.timer= [HW] Use timer interrupt instead of performance counters Loading @@ -995,33 +1011,30 @@ running once the system is up. 0 for XT, 1 for AT (default is AT). Format: <mode> parport=0 [HW,PPT] Specify parallel ports. 0 disables. parport=auto Use 'auto' to force the driver to use parport=0xBBB[,IRQ[,DMA]] any IRQ/DMA settings detected (the default is to ignore detected IRQ/DMA settings because of possible conflicts). You can specify the base address, IRQ, and DMA settings; IRQ and DMA should be numbers, or 'auto' (for using detected settings on that particular port), or 'nofifo' (to avoid using a FIFO even if it is detected). Parallel ports are assigned in the order they are specified on the command line, starting with parport0. parport_init_mode= [HW,PPT] Configure VIA parallel port to operate in specific mode. This is necessary on Pegasos computer where firmware has no options for setting up parallel port mode and sets it to spp. Currently this function knows 686a and 8231 chips. parport= [HW,PPT] Specify parallel ports. 0 disables. Format: { 0 | auto | 0xBBB[,IRQ[,DMA]] } Use 'auto' to force the driver to use any IRQ/DMA settings detected (the default is to ignore detected IRQ/DMA settings because of possible conflicts). You can specify the base address, IRQ, and DMA settings; IRQ and DMA should be numbers, or 'auto' (for using detected settings on that particular port), or 'nofifo' (to avoid using a FIFO even if it is detected). Parallel ports are assigned in the order they are specified on the command line, starting with parport0. parport_init_mode= [HW,PPT] Configure VIA parallel port to operate in a specific mode. This is necessary on Pegasos computer where firmware has no options for setting up parallel port mode and sets it to spp. Currently this function knows 686a and 8231 chips. Format: [spp|ps2|epp|ecp|ecpepp] pas2= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> pas2= [HW,OSS] Format: <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> pas16= [HW,SCSI] See header of drivers/scsi/pas16.c. Loading @@ -1041,55 +1054,58 @@ running once the system is up. 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 Mechanism 1. conf2 [IA-32] Force use of PCI Configuration Mechanism 2. conf1 [IA-32] Force use of PCI Configuration Mechanism 1. conf2 [IA-32] Force use of PCI Configuration Mechanism 2. nosort [IA-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. 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 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 way to get the interrupt routing table. Try this option if the kernel is unable to allocate IRQs or discover secondary PCI buses on your motherboard. on several machines and they hang the machine when used, but on other computers it's the only way to get the interrupt routing table. Try 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. 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 assigned automatically to PCI devices. You can make the kernel exclude IRQs of your ISA cards this way. 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 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 of the PIRQ table (normally generated by the BIOS) if it is outside the F0000h-100000h range. lastbus=N [IA-32] Scan all buses till 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. lastbus=N [IA-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 numbers ourselves, overriding whatever the firmware may have done. usepirqmask [IA-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. whatever the firmware may have done. usepirqmask [IA-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 or for PCI scanning. routeirq Do IRQ routing for all PCI devices. This is normally done in pci_enable_device(), so this option is a temporary workaround for broken drivers that don't call it. firmware [ARM] Do not re-enumerate the bus but instead just use the configuration from the bootloader. This is currently used on IXP2000 systems where the bus has to be configured a certain way for adjunct CPUs. firmware [ARM] Do not re-enumerate the bus but instead just use the configuration from the bootloader. This is currently used on IXP2000 systems where the bus has to be configured a certain way for adjunct CPUs. pcmv= [HW,PCMCIA] BadgePAD 4 Loading Loading @@ -1130,14 +1146,15 @@ running once the system is up. Ranges are in pairs (I/O port base and size). pnp_reserve_mem= [ISAPNP] Exclude memory regions for the autoconfiguration [ISAPNP] Exclude memory regions for the autoconfiguration. Ranges are in pairs (memory base and size). profile= [KNL] Enable kernel profiling via /proc/profile { schedule | <number> } (param: schedule - profile schedule points} (param: profile step/bucket size as a power of 2 for statistical time based profiling) Format: [schedule,]<number> Param: "schedule" - profile schedule points. Param: <number> - step/bucket size as a power of 2 for statistical time based profiling. processor.max_cstate= [HW,ACPI] Limit processor to maximum C-state Loading @@ -1148,20 +1165,21 @@ running once the system is up. See Documentation/ramdisk.txt. psmouse.proto= [HW,MOUSE] Highest PS2 mouse protocol extension to probe for (bare|imps|exps|lifebook|any). probe for; one of (bare|imps|exps|lifebook|any). psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports per second. psmouse.resetafter= [HW,MOUSE] Try to reset the device after so many bad packets psmouse.resetafter= [HW,MOUSE] Try to reset the device after so many bad packets (0 = never). psmouse.resolution= [HW,MOUSE] Set desired mouse resolution, in dpi. psmouse.smartscroll= [HW,MOUSE] Controls Logitech smartscroll autorepeat, [HW,MOUSE] Controls Logitech smartscroll autorepeat. 0 = disabled, 1 = enabled (default). pss= [HW,OSS] Personal Sound System (ECHO ESC614) Format: <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq> Format: <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq> pt. [PARIDE] See Documentation/paride.txt. Loading @@ -1176,8 +1194,7 @@ running once the system is up. ramdisk= [RAM] Sizes of RAM disks in kilobytes [deprecated] See Documentation/ramdisk.txt. ramdisk_blocksize= [RAM] ramdisk_blocksize= [RAM] See Documentation/ramdisk.txt. ramdisk_size= [RAM] Sizes of RAM disks in kilobytes Loading @@ -1195,7 +1212,8 @@ running once the system is up. reserve= [KNL,BUGS] Force the kernel to ignore some iomem area resume= [SWSUSP] Specify the partition device for software suspension resume= [SWSUSP] Specify the partition device for software suspend rhash_entries= [KNL,NET] Set number of hash buckets for route cache Loading Loading @@ -1258,8 +1276,7 @@ running once the system is up. serialnumber [BUGS=IA-32] sg_def_reserved_size= [SCSI] sg_def_reserved_size= [SCSI] sgalaxy= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<sgbase> Loading Loading @@ -1479,14 +1496,16 @@ running once the system is up. tp720= [HW,PS2] trix= [HW,OSS] MediaTrix AudioTrix Pro Format: <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq> 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: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> turbografx.map[2|3]= [HW,JOY] TurboGraFX parallel port interface Format: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> See also Documentation/input/joystick-parport.txt u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter Loading @@ -1507,12 +1526,13 @@ running once the system is up. See Documentation/fb/modedb.txt. vga= [BOOT,IA-32] Select a particular video mode See Documentation/i386/boot.txt and Documentation/svga.txt. See Documentation/i386/boot.txt and Documentation/svga.txt. Use vga=ask for menu. This is actually a boot loader parameter; the value is passed to the kernel using a special protocol. vmalloc=nn[KMG] [KNL,BOOT] forces the vmalloc area to have an exact vmalloc=nn[KMG] [KNL,BOOT] Forces the vmalloc area to have an exact size of <nn>. This can be used to increase the minimum size (128MB on x86). It can also be used to decrease the size and leave more room for directly Loading @@ -1538,21 +1558,25 @@ running once the system is up. xd_geo= See header of drivers/block/xd.c. xirc2ps_cs= [NET,PCMCIA] Format: <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] Format: <irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]] ______________________________________________________________________ Changelog: The last known update (for 2.4.0) - the changelog was not kept before. 2000-06-?? Mr. Unknown The last known update (for 2.4.0) - the changelog was not kept before. 2002-11-24 Petr Baudis <pasky@ucw.cz> Randy Dunlap <randy.dunlap@verizon.net> Update for 2.5.49, description for most of the options introduced, references to other documentation (C files, READMEs, ..), added S390, PPC, SPARC, MTD, ALSA and OSS category. Minor corrections and reformatting. 2002-11-24 Petr Baudis <pasky@ucw.cz> Randy Dunlap <randy.dunlap@verizon.net> 2005-10-19 Randy Dunlap <rdunlap@xenotime.net> Lots of typos, whitespace, some reformatting. TODO: Loading
Makefile +1 −1 Original line number Diff line number Diff line VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 14 EXTRAVERSION =-rc5 EXTRAVERSION = NAME=Affluent Albatross # *DOCUMENTATION* Loading
arch/arm/mach-pxa/corgi_lcd.c +2 −0 Original line number Diff line number Diff line Loading @@ -488,6 +488,7 @@ static int is_pxafb_device(struct device * dev, void * data) unsigned long spitz_get_hsync_len(void) { #ifdef CONFIG_FB_PXA if (!spitz_pxafb_dev) { spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device); if (!spitz_pxafb_dev) Loading @@ -496,6 +497,7 @@ unsigned long spitz_get_hsync_len(void) if (!get_hsync_time) get_hsync_time = symbol_get(pxafb_get_hsync_time); if (!get_hsync_time) #endif return 0; return pxafb_get_hsync_time(spitz_pxafb_dev); Loading
arch/um/include/sysdep-i386/thread.h +1 −1 Original line number Diff line number Diff line Loading @@ -4,7 +4,7 @@ #include <kern_constants.h> #define TASK_DEBUGREGS(task) ((unsigned long *) &(((char *) (task))[HOST_TASK_DEBUGREGS])) #ifdef CONFIG_MODE_TT #ifdef UML_CONFIG_MODE_TT #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif Loading
arch/um/include/sysdep-x86_64/thread.h +1 −1 Original line number Diff line number Diff line Loading @@ -3,7 +3,7 @@ #include <kern_constants.h> #ifdef CONFIG_MODE_TT #ifdef UML_CONFIG_MODE_TT #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif Loading