X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=6b8ad06846c449550212b08974f0e6c9de50786a;hb=c5da5afb9d7b244cfe3334c77e90b4296cf5f263;hp=2017942e09664832589f4148066570e418489e00;hpb=49e1900d4cc2e7bcecb681fe60f0990bec2dcce8;p=powerpc.git diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 2017942e09..6b8ad06846 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -64,6 +64,7 @@ parameter is applicable: GENERIC_TIME The generic timeofday code is enabled. NFS Appropriate NFS support is enabled. OSS OSS sound support is enabled. + PV_OPS A paravirtualized kernel PARIDE The ParIDE subsystem is enabled. PARISC The PA-RISC architecture is enabled. PCI PCI bus support is enabled. @@ -181,19 +182,41 @@ and is between 256 and 4096 characters. It is defined in the file that require a timer override, but don't have HPET - acpi_dbg_layer= [HW,ACPI] + acpi.debug_layer= [HW,ACPI] Format: Each bit of the 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] + via /sys/module/acpi/parameters/debug_layer. + CONFIG_ACPI_DEBUG must be enabled for this to produce any output. + Available bits (add the numbers together) to enable debug output + for specific parts of the ACPI subsystem: + 0x01 utilities 0x02 hardware 0x04 events 0x08 tables + 0x10 namespace 0x20 parser 0x40 dispatcher + 0x80 executer 0x100 resources 0x200 acpica debugger + 0x400 os services 0x800 acpica disassembler. + The number can be in decimal or prefixed with 0x in hex. + Warning: Many of these options can produce a lot of + output and make your system unusable. Be very careful. + + acpi.debug_level= [HW,ACPI] Format: Each bit of the 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. + via /sys/module/acpi/parameters/debug_level. + CONFIG_ACPI_DEBUG must be enabled for this to produce any output. + Available bits (add the numbers together) to enable different + debug output levels of the ACPI subsystem: + 0x01 error 0x02 warn 0x04 init 0x08 debug object + 0x10 info 0x20 init names 0x40 parse 0x80 load + 0x100 dispatch 0x200 execute 0x400 names 0x800 operation region + 0x1000 bfield 0x2000 tables 0x4000 values 0x8000 objects + 0x10000 resources 0x20000 user requests 0x40000 package. + The number can be in decimal or prefixed with 0x in hex. + Warning: Many of these options can produce a lot of + output and make your system unusable. Be very careful. + acpi_fake_ecdt [HW,ACPI] Workaround failure due to BIOS lacking ECDT @@ -473,6 +496,30 @@ and is between 256 and 4096 characters. It is defined in the file Format: [,] See also Documentation/networking/decnet.txt. + default_blu= [VT] + Format: ,,,..., + Change the default blue palette of the console. + This is a 16-member array composed of values + ranging from 0-255. + + default_grn= [VT] + Format: ,,,..., + Change the default green palette of the console. + This is a 16-member array composed of values + ranging from 0-255. + + default_red= [VT] + Format: ,,,..., + Change the default red palette of the console. + This is a 16-member array composed of values + ranging from 0-255. + + default_utf8= [VT] + Format=<0|1> + Set system-wide default UTF-8 mode for all tty's. + Default is 0 and by setting to 1, it enables UTF-8 + mode for all newly opened or allocated terminals. + dhash_entries= [KNL] Set number of hash buckets for dentry cache. @@ -673,8 +720,15 @@ and is between 256 and 4096 characters. It is defined in the file idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed See Documentation/ide.txt. - idle= [HW] - Format: idle=poll or idle=halt + idle= [X86] + Format: idle=poll or idle=mwait + Poll forces a polling idle loop that can slightly improves the performance + of waking up a idle CPU, but will use a lot of power and make the system + run hot. Not recommended. + idle=mwait. On systems which support MONITOR/MWAIT but the kernel chose + to not use it because it doesn't save as much power as a normal idle + loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same + as idle=poll. ignore_loglevel [KNL] Ignore loglevel setting - this will print /all/ @@ -786,6 +840,11 @@ and is between 256 and 4096 characters. It is defined in the file lasi= [HW,SCSI] PARISC LASI driver for the 53c700 chip Format: addr:,irq: + legacy_serial.force [HW,IA-32,X86-64] + Probe for COM ports at legacy addresses even + if PNPBIOS or ACPI should describe them. This + is for working around firmware defects. + llsc*= [IA64] See function print_params() in arch/ia64/sn/kernel/llsc4.c. @@ -1135,6 +1194,11 @@ and is between 256 and 4096 characters. It is defined in the file nomce [IA-32] Machine Check Exception + noreplace-paravirt [IA-32,PV_OPS] Don't patch paravirt_ops + + noreplace-smp [IA-32,SMP] Don't replace SMP instructions + with UP alternatives + noresidual [PPC] Don't use residual data on PReP machines. noresume [SWSUSP] Disables resume and restores original swap @@ -1540,6 +1604,20 @@ and is between 256 and 4096 characters. It is defined in the file smart2= [HW] Format: [,[,...,]] + smp-alt-once [IA-32,SMP] On a hotplug CPU system, only + attempt to substitute SMP alternatives once at boot. + + smsc-ircc2.nopnp [HW] Don't use PNP to discover SMC devices + smsc-ircc2.ircc_cfg= [HW] Device configuration I/O port + smsc-ircc2.ircc_sir= [HW] SIR base I/O port + smsc-ircc2.ircc_fir= [HW] FIR base I/O port + smsc-ircc2.ircc_irq= [HW] IRQ line + smsc-ircc2.ircc_dma= [HW] DMA channel + smsc-ircc2.ircc_transceiver= [HW] Transceiver type: + 0: Toshiba Satellite 1800 (GP data pin select) + 1: Fast pin select (default) + 2: ATC IRMode + snd-ad1816a= [HW,ALSA] snd-ad1848= [HW,ALSA] @@ -1798,6 +1876,7 @@ and is between 256 and 4096 characters. It is defined in the file [USBHID] The interval which mice are to be polled at. vdso= [IA-32,SH] + vdso=2: enable compat VDSO (default with COMPAT_VDSO) vdso=1: enable VDSO (default) vdso=0: disable VDSO mapping