Loading Documentation/kernel-parameters.txt +260 −236 Original line number Original line 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 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 on the kernel for the said kernel parameter to be valid. The restrictions referred to are that the relevant option is valid if: 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. SERIAL Serial support is enabled. SMP The kernel is an SMP kernel. SMP The kernel is an SMP kernel. SPARC Sparc architecture is enabled. SPARC Sparc architecture is enabled. SWSUSP Software suspension is enabled. SWSUSP Software suspend is enabled. TS Appropriate touchscreen support is enabled. TS Appropriate touchscreen support is enabled. USB USB support is enabled. USB USB support is enabled. USBHID USB Human Interface Device 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. See also Documentation/scsi/ncr53c7xx.txt. acpi= [HW,ACPI] Advanced Configuration and Power Interface 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 force -- enable ACPI if default was off off -- disable ACPI if default was on off -- disable ACPI if default was on noirq -- do not use ACPI for IRQ routing 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 acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode Format: { level | edge | high | low } 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 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 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>... 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>... Format: <irq>,<irq>... acpi_osi= [HW,ACPI] empty param disables _OSI acpi_osi= [HW,ACPI] empty param disables _OSI Loading @@ -145,14 +148,14 @@ running once the system is up. acpi_dbg_layer= [HW,ACPI] acpi_dbg_layer= [HW,ACPI] Format: <int> 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 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set debugging. After system has booted up, it can be set via /proc/acpi/debug_layer. via /proc/acpi/debug_layer. acpi_dbg_level= [HW,ACPI] acpi_dbg_level= [HW,ACPI] Format: <int> 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 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set debugging. After system has booted up, it can be set via /proc/acpi/debug_level. via /proc/acpi/debug_level. Loading @@ -161,12 +164,13 @@ running once the system is up. acpi_generic_hotkey [HW,ACPI] acpi_generic_hotkey [HW,ACPI] Allow consolidated generic hotkey driver to Allow consolidated generic hotkey driver to over-ride platform specific driver. override platform specific driver. See also Documentation/acpi-hotkey.txt. See also Documentation/acpi-hotkey.txt. enable_timer_pin_1 [i386,x86-64] enable_timer_pin_1 [i386,x86-64] Enable PIN 1 of APIC timer 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. The kernel tries to set a reasonable default. disable_timer_pin_1 [i386,x86-64] disable_timer_pin_1 [i386,x86-64] Loading Loading @@ -205,10 +209,6 @@ running once the system is up. aic79xx= [HW,SCSI] aic79xx= [HW,SCSI] See Documentation/scsi/aic79xx.txt. 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 amijoy.map= [HW,JOY] Amiga joystick support Map of devices attached to JOY0DAT and JOY1DAT Map of devices attached to JOY0DAT and JOY1DAT Format: <a>,<b> Format: <a>,<b> Loading @@ -219,7 +219,8 @@ running once the system is up. connected to one of 16 gameports connected to one of 16 gameports Format: <type1>,<type2>,..<type16> 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 Format: noidle Disable APC CPU standby support. SPARCstation-Fox does Disable APC CPU standby support. SPARCstation-Fox does not play well with APC CPU idle - disable it if you have 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.reset= [HW] Reset keyboard during initialization atkbd.set= [HW] Select keyboard code set 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 atkbd.scroll= [HW] Enable scroll wheel on MS Office and similar keyboards keyboards Loading @@ -259,8 +260,8 @@ running once the system is up. atkbd.softraw= [HW] Choose between synthetic and real raw mode atkbd.softraw= [HW] Choose between synthetic and real raw mode Format: <bool> (0 = real, 1 = synthetic (default)) Format: <bool> (0 = real, 1 = synthetic (default)) atkbd.softrepeat= atkbd.softrepeat= [HW] [HW] Use software keyboard repeat Use software keyboard repeat autotest [IA64] autotest [IA64] Loading @@ -277,11 +278,13 @@ running once the system is up. Format: <io>,<mode> Format: <io>,<mode> See header of drivers/net/hamradio/baycom_par.c. 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>] Format: <io>,<irq>,<mode>[,<baud>] See header of drivers/net/hamradio/baycom_ser_fdx.c. 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> Format: <io>,<irq>,<mode> See header of drivers/net/hamradio/baycom_ser_hdx.c. See header of drivers/net/hamradio/baycom_ser_hdx.c. Loading @@ -292,7 +295,8 @@ running once the system is up. blkmtd_count= blkmtd_count= bttv.card= [HW,V4L] bttv (bt848 + bt878 based grabber cards) 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.pll= See Documentation/video4linux/bttv/Insmod-options bttv.tuner= and Documentation/video4linux/bttv/CARDLIST 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. checkreqprot [SELINUX] Set initial checkreqprot flag value. Format: { "0" | "1" } Format: { "0" | "1" } See security/selinux/Kconfig help text. 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. 1 -- check protection requested by application. Default value is set via a kernel config option. 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. clock= [BUGS=IA-32,HW] gettimeofday timesource override. Forces specified timesource (if avaliable) to be used Forces specified timesource (if avaliable) to be used when calculating gettimeofday(). If specicified timesource when calculating gettimeofday(). If specicified is not avalible, it defaults to PIT. timesource is not avalible, it defaults to PIT. Format: { pit | tsc | cyclone | pmtmr } Format: { pit | tsc | cyclone | pmtmr } hpet= [IA-32,HPET] option to disable HPET and use PIT. 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>] } Format: { auto | [<io>,][<irq>] } com20020= [HW,NET] ARCnet - COM20020 chipset 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) com90io= [HW,NET] ARCnet - COM90xx chipset (IO-mapped buffers) Format: <io>[,<irq>] 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>]] Format: <io>[,<irq>[,<memstart>]] condev= [HW,S390] console device condev= [HW,S390] console device Loading @@ -367,7 +375,8 @@ running once the system is up. options are the same as for ttyS, above. options are the same as for ttyS, above. cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver 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] cpia_pp= [HW,PPT] Format: { parport<nr> | auto | none } Format: { parport<nr> | auto | none } Loading Loading @@ -428,7 +437,7 @@ running once the system is up. earlyprintk=vga earlyprintk=vga earlyprintk=serial[,ttySn[,baudrate]] 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. takes over. Only vga or serial at a time, not both. Only vga or serial at a time, not both. Loading Loading @@ -463,11 +472,12 @@ running once the system is up. elevator= [IOSCHED] elevator= [IOSCHED] Format: {"as" | "cfq" | "deadline" | "noop"} Format: {"as" | "cfq" | "deadline" | "noop"} See Documentation/block/as-iosched.txt See Documentation/block/as-iosched.txt and and Documentation/block/deadline-iosched.txt for details. Documentation/block/deadline-iosched.txt for details. elfcorehdr= [IA-32] elfcorehdr= [IA-32] Specifies physical address of start of kernel core image Specifies physical address of start of kernel core elf header. image elf header. See Documentation/kdump.txt for details. See Documentation/kdump.txt for details. enforcing [SELINUX] Set initial enforcing status. 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 hashdist= [KNL,NUMA] Large hashes allocated during boot are distributed across NUMA nodes. Defaults on are distributed across NUMA nodes. Defaults on for IA-64, off otherwise. for IA-64, off otherwise. Format: 0 | 1 (for off | on) hcl= [IA-64] SGI's Hardware Graph compatibility layer 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". "number of CPUs in system - 1". This option is the preferred way to isolate CPUs. The This option is the preferred way to isolate CPUs. The alternative - manually setting the CPU mask of all tasks alternative -- manually setting the CPU mask of all in the system can cause problems and suboptimal load tasks in the system -- can cause problems and balancer performance. suboptimal load balancer performance. isp16= [HW,CD] isp16= [HW,CD] Format: <io>,<irq>,<dma>,<setup> Format: <io>,<irq>,<dma>,<setup> Loading @@ -680,13 +691,14 @@ running once the system is up. l2cr= [PPC] 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 lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip Format: addr:<io>,irq:<irq> Format: addr:<io>,irq:<irq> llsc*= [IA64] llsc*= [IA64] See function print_params() in See function print_params() in arch/ia64/sn/kernel/llsc4.c. arch/ia64/sn/kernel/llsc4.c. load_ramdisk= [RAM] List of ramdisks to load from floppy load_ramdisk= [RAM] List of ramdisks to load from floppy See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. Loading @@ -713,8 +725,9 @@ running once the system is up. 7 (KERN_DEBUG) debug-level messages 7 (KERN_DEBUG) debug-level messages log_buf_len=n Sets the size of the printk ring buffer, in bytes. 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 Format: { n | nk | nM } default is set in kernel config. 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=0 [LP] Specify parallel ports to use, e.g, lp=port[,port...] lp=none,parport0 (lp0 not configured, lp1 uses 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] ltpc= [NET] Format: <io>,<irq>,<dma> Format: <io>,<irq>,<dma> mac5380= [HW,SCSI] mac5380= [HW,SCSI] Format: Format: <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac53c9x= [HW,SCSI] mac53c9x= [HW,SCSI] Format: Format: <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> machvec= [IA64] machvec= [IA64] Force the use of a particular machine-vector Force the use of a particular machine-vector (machvec) in a generic (machvec) in a generic kernel. kernel. Example: machvec=hpzx1_swiotlb Example: machvec=hpzx1_swiotlb mad16= [HW,OSS] mad16= [HW,OSS] Format: Format: <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> maui= [HW,OSS] maui= [HW,OSS] Format: <io>,<irq> 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 max_addr=[KMG] [KNL,BOOT,ia64] All physical memory greater than or equal to this physical address is ignored. 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. Should be between 1 and 2^32-1. max_report_luns= max_report_luns= [SCSI] Maximum number of LUNs received [SCSI] Maximum number of LUNs received. Should be between 1 and 16384. Should be between 1 and 16384. mca-pentium [BUGS=IA-32] mca-pentium [BUGS=IA-32] Loading Loading @@ -851,15 +864,15 @@ running once the system is up. MTD_Partition= [MTD] MTD_Partition= [MTD] Format: <name>,<region-number>,<size>,<offset> Format: <name>,<region-number>,<size>,<offset> MTD_Region= [MTD] MTD_Region= [MTD] Format: Format: <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] mtdparts= [MTD] mtdparts= [MTD] See drivers/mtd/cmdline.c. See drivers/mtd/cmdline.c. mtouchusb.raw_coordinates= mtouchusb.raw_coordinates= [HW] Make the MicroTouch USB driver use raw coordinates ('y', default) [HW] Make the MicroTouch USB driver use raw coordinates or cooked coordinates ('n') ('y', default) or cooked coordinates ('n') n2= [NET] SDL Inc. RISCom/N2 synchronous serial card 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> Format: <irq>,<io>,<mem_start>,<mem_end>,<name> Note that mem_start is often overloaded to mean Note that mem_start is often overloaded to mean something different and driver-specific. something different and driver-specific. This usage is only documented in each driver source file if at all. nfsaddrs= [NFS] nfsaddrs= [NFS] See Documentation/nfsroot.txt. 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. 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. no-scroll [VGA] Disables scrollback. This is required for the Braillex ib80-piezo Braille This is required for the Braillex ib80-piezo Braille Loading @@ -972,8 +988,8 @@ running once the system is up. opl3sa= [HW,OSS] opl3sa= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<mpu_io>,<mpu_irq> Format: <io>,<irq>,<dma>,<dma2>,<mpu_io>,<mpu_irq> opl3sa2= [HW,OSS] opl3sa2= [HW,OSS] Format: Format: <io>,<irq>,<dma>,<dma2>,<mss_io>,<mpu_io>,<ymode>,<loopback>[,<isapnp>,<multiple] <io>,<irq>,<dma>,<dma2>,<mss_io>,<mpu_io>,<ymode>,<loopback>[,<isapnp>,<multiple] oprofile.timer= [HW] oprofile.timer= [HW] Use timer interrupt instead of performance counters 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). 0 for XT, 1 for AT (default is AT). Format: <mode> Format: <mode> parport=0 [HW,PPT] Specify parallel ports. 0 disables. parport= [HW,PPT] Specify parallel ports. 0 disables. parport=auto Use 'auto' to force the driver to use Format: { 0 | auto | 0xBBB[,IRQ[,DMA]] } parport=0xBBB[,IRQ[,DMA]] any IRQ/DMA settings detected (the Use 'auto' to force the driver to use any default is to ignore detected IRQ/DMA IRQ/DMA settings detected (the default is to settings because of possible ignore detected IRQ/DMA settings because of conflicts). You can specify the base possible conflicts). You can specify the base address, IRQ, and DMA settings; IRQ and address, IRQ, and DMA settings; IRQ and DMA DMA should be numbers, or 'auto' (for should be numbers, or 'auto' (for using detected using detected settings on that settings on that particular port), or 'nofifo' particular port), or 'nofifo' (to avoid (to avoid using a FIFO even if it is detected). using a FIFO even if it is detected). Parallel ports are assigned in the order they Parallel ports are assigned in the are specified on the command line, starting order they are specified on the command with parport0. line, starting with parport0. parport_init_mode= [HW,PPT] parport_init_mode= Configure VIA parallel port to operate in [HW,PPT] Configure VIA parallel port to a specific mode. This is necessary on Pegasos operate in specific mode. This is computer where firmware has no options for setting necessary on Pegasos computer where up parallel port mode and sets it to spp. firmware has no options for setting up Currently this function knows 686a and 8231 chips. parallel port mode and sets it to spp. Currently this function knows 686a and 8231 chips. Format: [spp|ps2|epp|ecp|ecpepp] Format: [spp|ps2|epp|ecp|ecpepp] pas2= [HW,OSS] pas2= [HW,OSS] Format: Format: <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> pas16= [HW,SCSI] pas16= [HW,SCSI] See header of drivers/scsi/pas16.c. 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 hardware access methods are allowed. Use this if you experience crashes upon bootup and you if you experience crashes upon bootup and you suspect they are caused by the BIOS. suspect they are caused by the BIOS. conf1 [IA-32] Force use of PCI Configuration Mechanism 1. conf1 [IA-32] Force use of PCI Configuration conf2 [IA-32] Force use of PCI Configuration Mechanism 2. Mechanism 1. conf2 [IA-32] Force use of PCI Configuration Mechanism 2. nosort [IA-32] Don't sort PCI devices according to nosort [IA-32] Don't sort PCI devices according to order given by the PCI BIOS. This sorting is done order given by the PCI BIOS. This sorting is to get a device order compatible with older kernels. done to get a device order compatible with older kernels. biosirq [IA-32] Use PCI BIOS calls to get the interrupt biosirq [IA-32] Use PCI BIOS calls to get the interrupt routing table. These calls are known to be buggy routing table. These calls are known to be buggy on several machines and they hang the machine when used, on several machines and they hang the machine but on other computers it's the only way to get the when used, but on other computers it's the only interrupt routing table. Try this option if the kernel way to get the interrupt routing table. Try is unable to allocate IRQs or discover secondary PCI this option if the kernel is unable to allocate buses on your motherboard. IRQs or discover secondary PCI buses on your motherboard. rom [IA-32] Assign address space to expansion ROMs. rom [IA-32] Assign address space to expansion ROMs. Use with caution as certain devices share address Use with caution as certain devices share decoders between ROMs and other resources. address decoders between ROMs and other irqmask=0xMMMM [IA-32] Set a bit mask of IRQs allowed to be assigned resources. automatically to PCI devices. You can make the kernel irqmask=0xMMMM [IA-32] Set a bit mask of IRQs allowed to be exclude IRQs of your ISA cards this way. 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 [IA-32] Specify the physical address of the PIRQ table (normally generated of the PIRQ table (normally generated by the BIOS) if it is outside the by the BIOS) if it is outside the F0000h-100000h range. F0000h-100000h range. lastbus=N [IA-32] Scan all buses till bus #N. Can be useful lastbus=N [IA-32] Scan all buses thru bus #N. Can be if the kernel is unable to find your secondary buses useful if the kernel is unable to find your and you want to tell it explicitly which ones they are. secondary buses and you want to tell it explicitly which ones they are. assign-busses [IA-32] Always assign all PCI bus assign-busses [IA-32] Always assign all PCI bus numbers ourselves, overriding numbers ourselves, overriding whatever the firmware may have whatever the firmware may have done. done. usepirqmask [IA-32] Honor the possible IRQ mask stored usepirqmask [IA-32] Honor the possible IRQ mask in the BIOS $PIR table. This is needed on stored in the BIOS $PIR table. This is some systems with broken BIOSes, notably needed on some systems with broken some HP Pavilion N5400 and Omnibook XE3 BIOSes, notably some HP Pavilion N5400 notebooks. This will have no effect if ACPI and Omnibook XE3 notebooks. This will IRQ routing is enabled. have no effect if ACPI IRQ routing is enabled. noacpi [IA-32] Do not use ACPI for IRQ routing noacpi [IA-32] Do not use ACPI for IRQ routing or for PCI scanning. or for PCI scanning. routeirq Do IRQ routing for all PCI devices. routeirq Do IRQ routing for all PCI devices. This is normally done in pci_enable_device(), This is normally done in pci_enable_device(), so this option is a temporary workaround so this option is a temporary workaround for broken drivers that don't call it. for broken drivers that don't call it. firmware [ARM] Do not re-enumerate the bus but instead firmware [ARM] Do not re-enumerate the bus but just use the configuration from the instead just use the configuration bootloader. This is currently used on from the bootloader. This is currently IXP2000 systems where the bus has to be used on IXP2000 systems where the configured a certain way for adjunct CPUs. bus has to be configured a certain way for adjunct CPUs. pcmv= [HW,PCMCIA] BadgePAD 4 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). Ranges are in pairs (I/O port base and size). pnp_reserve_mem= 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). Ranges are in pairs (memory base and size). profile= [KNL] Enable kernel profiling via /proc/profile profile= [KNL] Enable kernel profiling via /proc/profile { schedule | <number> } Format: [schedule,]<number> (param: schedule - profile schedule points} Param: "schedule" - profile schedule points. (param: profile step/bucket size as a power of 2 for Param: <number> - step/bucket size as a power of 2 for statistical time based profiling) statistical time based profiling. processor.max_cstate= [HW,ACPI] processor.max_cstate= [HW,ACPI] Limit processor to maximum C-state Limit processor to maximum C-state Loading @@ -1148,20 +1165,21 @@ running once the system is up. See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. psmouse.proto= [HW,MOUSE] Highest PS2 mouse protocol extension to 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 psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports per second. per second. psmouse.resetafter= psmouse.resetafter= [HW,MOUSE] [HW,MOUSE] Try to reset the device after so many bad packets Try to reset the device after so many bad packets (0 = never). (0 = never). psmouse.resolution= psmouse.resolution= [HW,MOUSE] Set desired mouse resolution, in dpi. [HW,MOUSE] Set desired mouse resolution, in dpi. psmouse.smartscroll= psmouse.smartscroll= [HW,MOUSE] Controls Logitech smartscroll autorepeat, [HW,MOUSE] Controls Logitech smartscroll autorepeat. 0 = disabled, 1 = enabled (default). 0 = disabled, 1 = enabled (default). pss= [HW,OSS] Personal Sound System (ECHO ESC614) 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] pt. [PARIDE] See Documentation/paride.txt. See Documentation/paride.txt. Loading @@ -1176,8 +1194,7 @@ running once the system is up. ramdisk= [RAM] Sizes of RAM disks in kilobytes [deprecated] ramdisk= [RAM] Sizes of RAM disks in kilobytes [deprecated] See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. ramdisk_blocksize= ramdisk_blocksize= [RAM] [RAM] See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. ramdisk_size= [RAM] Sizes of RAM disks in kilobytes 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 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] rhash_entries= [KNL,NET] Set number of hash buckets for route cache Set number of hash buckets for route cache Loading Loading @@ -1258,8 +1276,7 @@ running once the system is up. serialnumber [BUGS=IA-32] serialnumber [BUGS=IA-32] sg_def_reserved_size= sg_def_reserved_size= [SCSI] [SCSI] sgalaxy= [HW,OSS] sgalaxy= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<sgbase> Format: <io>,<irq>,<dma>,<dma2>,<sgbase> Loading Loading @@ -1479,14 +1496,16 @@ running once the system is up. tp720= [HW,PS2] tp720= [HW,PS2] trix= [HW,OSS] MediaTrix AudioTrix Pro 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.xres= [TS] Horizontal screen resolution. tsdev.yres= [TS] Vertical screen resolution. tsdev.yres= [TS] Vertical screen resolution. turbografx.map[2|3]= turbografx.map[2|3]= [HW,JOY] [HW,JOY] TurboGraFX parallel port interface TurboGraFX parallel port interface Format: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> Format: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> See also Documentation/input/joystick-parport.txt See also Documentation/input/joystick-parport.txt u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter 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. See Documentation/fb/modedb.txt. vga= [BOOT,IA-32] Select a particular video mode 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. Use vga=ask for menu. This is actually a boot loader parameter; the value is This is actually a boot loader parameter; the value is passed to the kernel using a special protocol. 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 size of <nn>. This can be used to increase the minimum size (128MB on x86). It can also be used to minimum size (128MB on x86). It can also be used to decrease the size and leave more room for directly 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. xd_geo= See header of drivers/block/xd.c. xirc2ps_cs= [NET,PCMCIA] 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: Changelog: The last known update (for 2.4.0) - the changelog was not kept before. 2000-06-?? Mr. Unknown 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, Update for 2.5.49, description for most of the options introduced, references to other documentation (C files, READMEs, ..), added S390, references to other documentation (C files, READMEs, ..), added S390, PPC, SPARC, MTD, ALSA and OSS category. Minor corrections and PPC, SPARC, MTD, ALSA and OSS category. Minor corrections and reformatting. 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: TODO: Loading arch/arm/mach-pxa/corgi_lcd.c +2 −0 Original line number Original line 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) unsigned long spitz_get_hsync_len(void) { { #ifdef CONFIG_FB_PXA if (!spitz_pxafb_dev) { if (!spitz_pxafb_dev) { spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device); spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device); if (!spitz_pxafb_dev) if (!spitz_pxafb_dev) Loading @@ -496,6 +497,7 @@ unsigned long spitz_get_hsync_len(void) if (!get_hsync_time) if (!get_hsync_time) get_hsync_time = symbol_get(pxafb_get_hsync_time); get_hsync_time = symbol_get(pxafb_get_hsync_time); if (!get_hsync_time) if (!get_hsync_time) #endif return 0; return 0; return pxafb_get_hsync_time(spitz_pxafb_dev); return pxafb_get_hsync_time(spitz_pxafb_dev); Loading arch/ppc64/kernel/mpic.c +2 −2 Original line number Original line Diff line number Diff line Loading @@ -506,8 +506,8 @@ struct mpic * __init mpic_alloc(unsigned long phys_addr, mpic->senses_count = senses_count; mpic->senses_count = senses_count; /* Map the global registers */ /* Map the global registers */ mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000); mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x2000); mpic->tmregs = mpic->gregs + (MPIC_TIMER_BASE >> 2); mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2); BUG_ON(mpic->gregs == NULL); BUG_ON(mpic->gregs == NULL); /* Reset */ /* Reset */ Loading arch/um/include/sysdep-i386/thread.h +1 −1 Original line number Original line Diff line number Diff line Loading @@ -4,7 +4,7 @@ #include <kern_constants.h> #include <kern_constants.h> #define TASK_DEBUGREGS(task) ((unsigned long *) &(((char *) (task))[HOST_TASK_DEBUGREGS])) #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])) #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif #endif Loading arch/um/include/sysdep-x86_64/thread.h +1 −1 Original line number Original line Diff line number Diff line Loading @@ -3,7 +3,7 @@ #include <kern_constants.h> #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])) #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif #endif Loading Loading
Documentation/kernel-parameters.txt +260 −236 Original line number Original line 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 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 on the kernel for the said kernel parameter to be valid. The restrictions referred to are that the relevant option is valid if: 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. SERIAL Serial support is enabled. SMP The kernel is an SMP kernel. SMP The kernel is an SMP kernel. SPARC Sparc architecture is enabled. SPARC Sparc architecture is enabled. SWSUSP Software suspension is enabled. SWSUSP Software suspend is enabled. TS Appropriate touchscreen support is enabled. TS Appropriate touchscreen support is enabled. USB USB support is enabled. USB USB support is enabled. USBHID USB Human Interface Device 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. See also Documentation/scsi/ncr53c7xx.txt. acpi= [HW,ACPI] Advanced Configuration and Power Interface 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 force -- enable ACPI if default was off off -- disable ACPI if default was on off -- disable ACPI if default was on noirq -- do not use ACPI for IRQ routing 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 acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode Format: { level | edge | high | low } 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 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 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>... 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>... Format: <irq>,<irq>... acpi_osi= [HW,ACPI] empty param disables _OSI acpi_osi= [HW,ACPI] empty param disables _OSI Loading @@ -145,14 +148,14 @@ running once the system is up. acpi_dbg_layer= [HW,ACPI] acpi_dbg_layer= [HW,ACPI] Format: <int> 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 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set debugging. After system has booted up, it can be set via /proc/acpi/debug_layer. via /proc/acpi/debug_layer. acpi_dbg_level= [HW,ACPI] acpi_dbg_level= [HW,ACPI] Format: <int> 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 1: enable, 0: disable. It is useful for boot time debugging. After system has booted up, it can be set debugging. After system has booted up, it can be set via /proc/acpi/debug_level. via /proc/acpi/debug_level. Loading @@ -161,12 +164,13 @@ running once the system is up. acpi_generic_hotkey [HW,ACPI] acpi_generic_hotkey [HW,ACPI] Allow consolidated generic hotkey driver to Allow consolidated generic hotkey driver to over-ride platform specific driver. override platform specific driver. See also Documentation/acpi-hotkey.txt. See also Documentation/acpi-hotkey.txt. enable_timer_pin_1 [i386,x86-64] enable_timer_pin_1 [i386,x86-64] Enable PIN 1 of APIC timer 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. The kernel tries to set a reasonable default. disable_timer_pin_1 [i386,x86-64] disable_timer_pin_1 [i386,x86-64] Loading Loading @@ -205,10 +209,6 @@ running once the system is up. aic79xx= [HW,SCSI] aic79xx= [HW,SCSI] See Documentation/scsi/aic79xx.txt. 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 amijoy.map= [HW,JOY] Amiga joystick support Map of devices attached to JOY0DAT and JOY1DAT Map of devices attached to JOY0DAT and JOY1DAT Format: <a>,<b> Format: <a>,<b> Loading @@ -219,7 +219,8 @@ running once the system is up. connected to one of 16 gameports connected to one of 16 gameports Format: <type1>,<type2>,..<type16> 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 Format: noidle Disable APC CPU standby support. SPARCstation-Fox does Disable APC CPU standby support. SPARCstation-Fox does not play well with APC CPU idle - disable it if you have 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.reset= [HW] Reset keyboard during initialization atkbd.set= [HW] Select keyboard code set 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 atkbd.scroll= [HW] Enable scroll wheel on MS Office and similar keyboards keyboards Loading @@ -259,8 +260,8 @@ running once the system is up. atkbd.softraw= [HW] Choose between synthetic and real raw mode atkbd.softraw= [HW] Choose between synthetic and real raw mode Format: <bool> (0 = real, 1 = synthetic (default)) Format: <bool> (0 = real, 1 = synthetic (default)) atkbd.softrepeat= atkbd.softrepeat= [HW] [HW] Use software keyboard repeat Use software keyboard repeat autotest [IA64] autotest [IA64] Loading @@ -277,11 +278,13 @@ running once the system is up. Format: <io>,<mode> Format: <io>,<mode> See header of drivers/net/hamradio/baycom_par.c. 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>] Format: <io>,<irq>,<mode>[,<baud>] See header of drivers/net/hamradio/baycom_ser_fdx.c. 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> Format: <io>,<irq>,<mode> See header of drivers/net/hamradio/baycom_ser_hdx.c. See header of drivers/net/hamradio/baycom_ser_hdx.c. Loading @@ -292,7 +295,8 @@ running once the system is up. blkmtd_count= blkmtd_count= bttv.card= [HW,V4L] bttv (bt848 + bt878 based grabber cards) 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.pll= See Documentation/video4linux/bttv/Insmod-options bttv.tuner= and Documentation/video4linux/bttv/CARDLIST 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. checkreqprot [SELINUX] Set initial checkreqprot flag value. Format: { "0" | "1" } Format: { "0" | "1" } See security/selinux/Kconfig help text. 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. 1 -- check protection requested by application. Default value is set via a kernel config option. 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. clock= [BUGS=IA-32,HW] gettimeofday timesource override. Forces specified timesource (if avaliable) to be used Forces specified timesource (if avaliable) to be used when calculating gettimeofday(). If specicified timesource when calculating gettimeofday(). If specicified is not avalible, it defaults to PIT. timesource is not avalible, it defaults to PIT. Format: { pit | tsc | cyclone | pmtmr } Format: { pit | tsc | cyclone | pmtmr } hpet= [IA-32,HPET] option to disable HPET and use PIT. 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>] } Format: { auto | [<io>,][<irq>] } com20020= [HW,NET] ARCnet - COM20020 chipset 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) com90io= [HW,NET] ARCnet - COM90xx chipset (IO-mapped buffers) Format: <io>[,<irq>] 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>]] Format: <io>[,<irq>[,<memstart>]] condev= [HW,S390] console device condev= [HW,S390] console device Loading @@ -367,7 +375,8 @@ running once the system is up. options are the same as for ttyS, above. options are the same as for ttyS, above. cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver 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] cpia_pp= [HW,PPT] Format: { parport<nr> | auto | none } Format: { parport<nr> | auto | none } Loading Loading @@ -428,7 +437,7 @@ running once the system is up. earlyprintk=vga earlyprintk=vga earlyprintk=serial[,ttySn[,baudrate]] 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. takes over. Only vga or serial at a time, not both. Only vga or serial at a time, not both. Loading Loading @@ -463,11 +472,12 @@ running once the system is up. elevator= [IOSCHED] elevator= [IOSCHED] Format: {"as" | "cfq" | "deadline" | "noop"} Format: {"as" | "cfq" | "deadline" | "noop"} See Documentation/block/as-iosched.txt See Documentation/block/as-iosched.txt and and Documentation/block/deadline-iosched.txt for details. Documentation/block/deadline-iosched.txt for details. elfcorehdr= [IA-32] elfcorehdr= [IA-32] Specifies physical address of start of kernel core image Specifies physical address of start of kernel core elf header. image elf header. See Documentation/kdump.txt for details. See Documentation/kdump.txt for details. enforcing [SELINUX] Set initial enforcing status. 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 hashdist= [KNL,NUMA] Large hashes allocated during boot are distributed across NUMA nodes. Defaults on are distributed across NUMA nodes. Defaults on for IA-64, off otherwise. for IA-64, off otherwise. Format: 0 | 1 (for off | on) hcl= [IA-64] SGI's Hardware Graph compatibility layer 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". "number of CPUs in system - 1". This option is the preferred way to isolate CPUs. The This option is the preferred way to isolate CPUs. The alternative - manually setting the CPU mask of all tasks alternative -- manually setting the CPU mask of all in the system can cause problems and suboptimal load tasks in the system -- can cause problems and balancer performance. suboptimal load balancer performance. isp16= [HW,CD] isp16= [HW,CD] Format: <io>,<irq>,<dma>,<setup> Format: <io>,<irq>,<dma>,<setup> Loading @@ -680,13 +691,14 @@ running once the system is up. l2cr= [PPC] 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 lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip Format: addr:<io>,irq:<irq> Format: addr:<io>,irq:<irq> llsc*= [IA64] llsc*= [IA64] See function print_params() in See function print_params() in arch/ia64/sn/kernel/llsc4.c. arch/ia64/sn/kernel/llsc4.c. load_ramdisk= [RAM] List of ramdisks to load from floppy load_ramdisk= [RAM] List of ramdisks to load from floppy See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. Loading @@ -713,8 +725,9 @@ running once the system is up. 7 (KERN_DEBUG) debug-level messages 7 (KERN_DEBUG) debug-level messages log_buf_len=n Sets the size of the printk ring buffer, in bytes. 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 Format: { n | nk | nM } default is set in kernel config. 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=0 [LP] Specify parallel ports to use, e.g, lp=port[,port...] lp=none,parport0 (lp0 not configured, lp1 uses 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] ltpc= [NET] Format: <io>,<irq>,<dma> Format: <io>,<irq>,<dma> mac5380= [HW,SCSI] mac5380= [HW,SCSI] Format: Format: <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> <can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> mac53c9x= [HW,SCSI] mac53c9x= [HW,SCSI] Format: Format: <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> <num_esps>,<disconnect>,<nosync>,<can_queue>,<cmd_per_lun>,<sg_tablesize>,<hostid>,<use_tags> machvec= [IA64] machvec= [IA64] Force the use of a particular machine-vector Force the use of a particular machine-vector (machvec) in a generic (machvec) in a generic kernel. kernel. Example: machvec=hpzx1_swiotlb Example: machvec=hpzx1_swiotlb mad16= [HW,OSS] mad16= [HW,OSS] Format: Format: <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> <io>,<irq>,<dma>,<dma16>,<mpu_io>,<mpu_irq>,<joystick> maui= [HW,OSS] maui= [HW,OSS] Format: <io>,<irq> 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 max_addr=[KMG] [KNL,BOOT,ia64] All physical memory greater than or equal to this physical address is ignored. 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. Should be between 1 and 2^32-1. max_report_luns= max_report_luns= [SCSI] Maximum number of LUNs received [SCSI] Maximum number of LUNs received. Should be between 1 and 16384. Should be between 1 and 16384. mca-pentium [BUGS=IA-32] mca-pentium [BUGS=IA-32] Loading Loading @@ -851,15 +864,15 @@ running once the system is up. MTD_Partition= [MTD] MTD_Partition= [MTD] Format: <name>,<region-number>,<size>,<offset> Format: <name>,<region-number>,<size>,<offset> MTD_Region= [MTD] MTD_Region= [MTD] Format: Format: <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] <name>,<region-number>[,<base>,<size>,<buswidth>,<altbuswidth>] mtdparts= [MTD] mtdparts= [MTD] See drivers/mtd/cmdline.c. See drivers/mtd/cmdline.c. mtouchusb.raw_coordinates= mtouchusb.raw_coordinates= [HW] Make the MicroTouch USB driver use raw coordinates ('y', default) [HW] Make the MicroTouch USB driver use raw coordinates or cooked coordinates ('n') ('y', default) or cooked coordinates ('n') n2= [NET] SDL Inc. RISCom/N2 synchronous serial card 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> Format: <irq>,<io>,<mem_start>,<mem_end>,<name> Note that mem_start is often overloaded to mean Note that mem_start is often overloaded to mean something different and driver-specific. something different and driver-specific. This usage is only documented in each driver source file if at all. nfsaddrs= [NFS] nfsaddrs= [NFS] See Documentation/nfsroot.txt. 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. 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. no-scroll [VGA] Disables scrollback. This is required for the Braillex ib80-piezo Braille This is required for the Braillex ib80-piezo Braille Loading @@ -972,8 +988,8 @@ running once the system is up. opl3sa= [HW,OSS] opl3sa= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<mpu_io>,<mpu_irq> Format: <io>,<irq>,<dma>,<dma2>,<mpu_io>,<mpu_irq> opl3sa2= [HW,OSS] opl3sa2= [HW,OSS] Format: Format: <io>,<irq>,<dma>,<dma2>,<mss_io>,<mpu_io>,<ymode>,<loopback>[,<isapnp>,<multiple] <io>,<irq>,<dma>,<dma2>,<mss_io>,<mpu_io>,<ymode>,<loopback>[,<isapnp>,<multiple] oprofile.timer= [HW] oprofile.timer= [HW] Use timer interrupt instead of performance counters 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). 0 for XT, 1 for AT (default is AT). Format: <mode> Format: <mode> parport=0 [HW,PPT] Specify parallel ports. 0 disables. parport= [HW,PPT] Specify parallel ports. 0 disables. parport=auto Use 'auto' to force the driver to use Format: { 0 | auto | 0xBBB[,IRQ[,DMA]] } parport=0xBBB[,IRQ[,DMA]] any IRQ/DMA settings detected (the Use 'auto' to force the driver to use any default is to ignore detected IRQ/DMA IRQ/DMA settings detected (the default is to settings because of possible ignore detected IRQ/DMA settings because of conflicts). You can specify the base possible conflicts). You can specify the base address, IRQ, and DMA settings; IRQ and address, IRQ, and DMA settings; IRQ and DMA DMA should be numbers, or 'auto' (for should be numbers, or 'auto' (for using detected using detected settings on that settings on that particular port), or 'nofifo' particular port), or 'nofifo' (to avoid (to avoid using a FIFO even if it is detected). using a FIFO even if it is detected). Parallel ports are assigned in the order they Parallel ports are assigned in the are specified on the command line, starting order they are specified on the command with parport0. line, starting with parport0. parport_init_mode= [HW,PPT] parport_init_mode= Configure VIA parallel port to operate in [HW,PPT] Configure VIA parallel port to a specific mode. This is necessary on Pegasos operate in specific mode. This is computer where firmware has no options for setting necessary on Pegasos computer where up parallel port mode and sets it to spp. firmware has no options for setting up Currently this function knows 686a and 8231 chips. parallel port mode and sets it to spp. Currently this function knows 686a and 8231 chips. Format: [spp|ps2|epp|ecp|ecpepp] Format: [spp|ps2|epp|ecp|ecpepp] pas2= [HW,OSS] pas2= [HW,OSS] Format: Format: <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16> pas16= [HW,SCSI] pas16= [HW,SCSI] See header of drivers/scsi/pas16.c. 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 hardware access methods are allowed. Use this if you experience crashes upon bootup and you if you experience crashes upon bootup and you suspect they are caused by the BIOS. suspect they are caused by the BIOS. conf1 [IA-32] Force use of PCI Configuration Mechanism 1. conf1 [IA-32] Force use of PCI Configuration conf2 [IA-32] Force use of PCI Configuration Mechanism 2. Mechanism 1. conf2 [IA-32] Force use of PCI Configuration Mechanism 2. nosort [IA-32] Don't sort PCI devices according to nosort [IA-32] Don't sort PCI devices according to order given by the PCI BIOS. This sorting is done order given by the PCI BIOS. This sorting is to get a device order compatible with older kernels. done to get a device order compatible with older kernels. biosirq [IA-32] Use PCI BIOS calls to get the interrupt biosirq [IA-32] Use PCI BIOS calls to get the interrupt routing table. These calls are known to be buggy routing table. These calls are known to be buggy on several machines and they hang the machine when used, on several machines and they hang the machine but on other computers it's the only way to get the when used, but on other computers it's the only interrupt routing table. Try this option if the kernel way to get the interrupt routing table. Try is unable to allocate IRQs or discover secondary PCI this option if the kernel is unable to allocate buses on your motherboard. IRQs or discover secondary PCI buses on your motherboard. rom [IA-32] Assign address space to expansion ROMs. rom [IA-32] Assign address space to expansion ROMs. Use with caution as certain devices share address Use with caution as certain devices share decoders between ROMs and other resources. address decoders between ROMs and other irqmask=0xMMMM [IA-32] Set a bit mask of IRQs allowed to be assigned resources. automatically to PCI devices. You can make the kernel irqmask=0xMMMM [IA-32] Set a bit mask of IRQs allowed to be exclude IRQs of your ISA cards this way. 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 [IA-32] Specify the physical address of the PIRQ table (normally generated of the PIRQ table (normally generated by the BIOS) if it is outside the by the BIOS) if it is outside the F0000h-100000h range. F0000h-100000h range. lastbus=N [IA-32] Scan all buses till bus #N. Can be useful lastbus=N [IA-32] Scan all buses thru bus #N. Can be if the kernel is unable to find your secondary buses useful if the kernel is unable to find your and you want to tell it explicitly which ones they are. secondary buses and you want to tell it explicitly which ones they are. assign-busses [IA-32] Always assign all PCI bus assign-busses [IA-32] Always assign all PCI bus numbers ourselves, overriding numbers ourselves, overriding whatever the firmware may have whatever the firmware may have done. done. usepirqmask [IA-32] Honor the possible IRQ mask stored usepirqmask [IA-32] Honor the possible IRQ mask in the BIOS $PIR table. This is needed on stored in the BIOS $PIR table. This is some systems with broken BIOSes, notably needed on some systems with broken some HP Pavilion N5400 and Omnibook XE3 BIOSes, notably some HP Pavilion N5400 notebooks. This will have no effect if ACPI and Omnibook XE3 notebooks. This will IRQ routing is enabled. have no effect if ACPI IRQ routing is enabled. noacpi [IA-32] Do not use ACPI for IRQ routing noacpi [IA-32] Do not use ACPI for IRQ routing or for PCI scanning. or for PCI scanning. routeirq Do IRQ routing for all PCI devices. routeirq Do IRQ routing for all PCI devices. This is normally done in pci_enable_device(), This is normally done in pci_enable_device(), so this option is a temporary workaround so this option is a temporary workaround for broken drivers that don't call it. for broken drivers that don't call it. firmware [ARM] Do not re-enumerate the bus but instead firmware [ARM] Do not re-enumerate the bus but just use the configuration from the instead just use the configuration bootloader. This is currently used on from the bootloader. This is currently IXP2000 systems where the bus has to be used on IXP2000 systems where the configured a certain way for adjunct CPUs. bus has to be configured a certain way for adjunct CPUs. pcmv= [HW,PCMCIA] BadgePAD 4 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). Ranges are in pairs (I/O port base and size). pnp_reserve_mem= 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). Ranges are in pairs (memory base and size). profile= [KNL] Enable kernel profiling via /proc/profile profile= [KNL] Enable kernel profiling via /proc/profile { schedule | <number> } Format: [schedule,]<number> (param: schedule - profile schedule points} Param: "schedule" - profile schedule points. (param: profile step/bucket size as a power of 2 for Param: <number> - step/bucket size as a power of 2 for statistical time based profiling) statistical time based profiling. processor.max_cstate= [HW,ACPI] processor.max_cstate= [HW,ACPI] Limit processor to maximum C-state Limit processor to maximum C-state Loading @@ -1148,20 +1165,21 @@ running once the system is up. See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. psmouse.proto= [HW,MOUSE] Highest PS2 mouse protocol extension to 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 psmouse.rate= [HW,MOUSE] Set desired mouse report rate, in reports per second. per second. psmouse.resetafter= psmouse.resetafter= [HW,MOUSE] [HW,MOUSE] Try to reset the device after so many bad packets Try to reset the device after so many bad packets (0 = never). (0 = never). psmouse.resolution= psmouse.resolution= [HW,MOUSE] Set desired mouse resolution, in dpi. [HW,MOUSE] Set desired mouse resolution, in dpi. psmouse.smartscroll= psmouse.smartscroll= [HW,MOUSE] Controls Logitech smartscroll autorepeat, [HW,MOUSE] Controls Logitech smartscroll autorepeat. 0 = disabled, 1 = enabled (default). 0 = disabled, 1 = enabled (default). pss= [HW,OSS] Personal Sound System (ECHO ESC614) 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] pt. [PARIDE] See Documentation/paride.txt. See Documentation/paride.txt. Loading @@ -1176,8 +1194,7 @@ running once the system is up. ramdisk= [RAM] Sizes of RAM disks in kilobytes [deprecated] ramdisk= [RAM] Sizes of RAM disks in kilobytes [deprecated] See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. ramdisk_blocksize= ramdisk_blocksize= [RAM] [RAM] See Documentation/ramdisk.txt. See Documentation/ramdisk.txt. ramdisk_size= [RAM] Sizes of RAM disks in kilobytes 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 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] rhash_entries= [KNL,NET] Set number of hash buckets for route cache Set number of hash buckets for route cache Loading Loading @@ -1258,8 +1276,7 @@ running once the system is up. serialnumber [BUGS=IA-32] serialnumber [BUGS=IA-32] sg_def_reserved_size= sg_def_reserved_size= [SCSI] [SCSI] sgalaxy= [HW,OSS] sgalaxy= [HW,OSS] Format: <io>,<irq>,<dma>,<dma2>,<sgbase> Format: <io>,<irq>,<dma>,<dma2>,<sgbase> Loading Loading @@ -1479,14 +1496,16 @@ running once the system is up. tp720= [HW,PS2] tp720= [HW,PS2] trix= [HW,OSS] MediaTrix AudioTrix Pro 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.xres= [TS] Horizontal screen resolution. tsdev.yres= [TS] Vertical screen resolution. tsdev.yres= [TS] Vertical screen resolution. turbografx.map[2|3]= turbografx.map[2|3]= [HW,JOY] [HW,JOY] TurboGraFX parallel port interface TurboGraFX parallel port interface Format: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> Format: <port#>,<js1>,<js2>,<js3>,<js4>,<js5>,<js6>,<js7> See also Documentation/input/joystick-parport.txt See also Documentation/input/joystick-parport.txt u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter 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. See Documentation/fb/modedb.txt. vga= [BOOT,IA-32] Select a particular video mode 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. Use vga=ask for menu. This is actually a boot loader parameter; the value is This is actually a boot loader parameter; the value is passed to the kernel using a special protocol. 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 size of <nn>. This can be used to increase the minimum size (128MB on x86). It can also be used to minimum size (128MB on x86). It can also be used to decrease the size and leave more room for directly 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. xd_geo= See header of drivers/block/xd.c. xirc2ps_cs= [NET,PCMCIA] 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: Changelog: The last known update (for 2.4.0) - the changelog was not kept before. 2000-06-?? Mr. Unknown 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, Update for 2.5.49, description for most of the options introduced, references to other documentation (C files, READMEs, ..), added S390, references to other documentation (C files, READMEs, ..), added S390, PPC, SPARC, MTD, ALSA and OSS category. Minor corrections and PPC, SPARC, MTD, ALSA and OSS category. Minor corrections and reformatting. 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: TODO: Loading
arch/arm/mach-pxa/corgi_lcd.c +2 −0 Original line number Original line 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) unsigned long spitz_get_hsync_len(void) { { #ifdef CONFIG_FB_PXA if (!spitz_pxafb_dev) { if (!spitz_pxafb_dev) { spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device); spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device); if (!spitz_pxafb_dev) if (!spitz_pxafb_dev) Loading @@ -496,6 +497,7 @@ unsigned long spitz_get_hsync_len(void) if (!get_hsync_time) if (!get_hsync_time) get_hsync_time = symbol_get(pxafb_get_hsync_time); get_hsync_time = symbol_get(pxafb_get_hsync_time); if (!get_hsync_time) if (!get_hsync_time) #endif return 0; return 0; return pxafb_get_hsync_time(spitz_pxafb_dev); return pxafb_get_hsync_time(spitz_pxafb_dev); Loading
arch/ppc64/kernel/mpic.c +2 −2 Original line number Original line Diff line number Diff line Loading @@ -506,8 +506,8 @@ struct mpic * __init mpic_alloc(unsigned long phys_addr, mpic->senses_count = senses_count; mpic->senses_count = senses_count; /* Map the global registers */ /* Map the global registers */ mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000); mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x2000); mpic->tmregs = mpic->gregs + (MPIC_TIMER_BASE >> 2); mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2); BUG_ON(mpic->gregs == NULL); BUG_ON(mpic->gregs == NULL); /* Reset */ /* Reset */ Loading
arch/um/include/sysdep-i386/thread.h +1 −1 Original line number Original line Diff line number Diff line Loading @@ -4,7 +4,7 @@ #include <kern_constants.h> #include <kern_constants.h> #define TASK_DEBUGREGS(task) ((unsigned long *) &(((char *) (task))[HOST_TASK_DEBUGREGS])) #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])) #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif #endif Loading
arch/um/include/sysdep-x86_64/thread.h +1 −1 Original line number Original line Diff line number Diff line Loading @@ -3,7 +3,7 @@ #include <kern_constants.h> #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])) #define TASK_EXTERN_PID(task) *((int *) &(((char *) (task))[HOST_TASK_EXTERN_PID])) #endif #endif Loading
