X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=49318b99e581406b7ec32793560c01546e69402d;hb=96e31022a1b6e7cb173cbb3dce1fde7ba548860a;hp=072cf6d4ec8d981b4d67e5672d69ca959a3129ab;hpb=2d27a96614c961b069d1a8abdeaf2750a3941bd1;p=linux-2.6 diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 072cf6d4ec..49318b99e5 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -138,7 +138,7 @@ and is between 256 and 4096 characters. It is defined in the file strict -- Be less tolerant of platforms that are not strictly ACPI specification compliant. - See also Documentation/pm.txt, pci=noacpi + See also Documentation/power/pm.txt, pci=noacpi acpi_apic_instance= [ACPI, IOAPIC] Format: @@ -147,8 +147,10 @@ and is between 256 and 4096 characters. It is defined in the file default: 0 acpi_sleep= [HW,ACPI] Sleep options - Format: { s3_bios, s3_mode } - See Documentation/power/video.txt + Format: { s3_bios, s3_mode, s3_beep } + See Documentation/power/video.txt for s3_bios and s3_mode. + s3_beep is for debugging; it makes the PC's speaker beep + as soon as the kernel's real-mode entry point is called. acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode Format: { level | edge | high | low } @@ -175,6 +177,9 @@ and is between 256 and 4096 characters. It is defined in the file acpi_no_auto_ssdt [HW,ACPI] Disable automatic loading of SSDT + acpi_no_initrd_override [KNL,ACPI] + Disable loading custom ACPI tables from the initramfs + acpi_os_name= [HW,ACPI] Tell ACPI BIOS the name of the OS Format: To spoof as Windows 98: ="Microsoft Windows" @@ -707,7 +712,7 @@ and is between 256 and 4096 characters. It is defined in the file Format: ,, hd?= [HW] (E)IDE subsystem - hd?lun= See Documentation/ide.txt. + hd?lun= See Documentation/ide/ide.txt. highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact size of . This works even on boxes that have no @@ -761,14 +766,14 @@ and is between 256 and 4096 characters. It is defined in the file ide= [HW] (E)IDE subsystem Format: ide=nodma or ide=doubler or ide=reverse - See Documentation/ide.txt. + See Documentation/ide/ide.txt. ide?= [HW] (E)IDE subsystem Format: ide?=noprobe or chipset specific parameters. - See Documentation/ide.txt. + See Documentation/ide/ide.txt. idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed - See Documentation/ide.txt. + See Documentation/ide/ide.txt. idle= [X86] Format: idle=poll or idle=mwait @@ -780,6 +785,9 @@ and is between 256 and 4096 characters. It is defined in the file loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same as idle=poll. + ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem + Claim all unknown PCI IDE storage controllers. + ignore_loglevel [KNL] Ignore loglevel setting - this will print /all/ kernel messages to the console. Useful for debugging. @@ -942,6 +950,41 @@ and is between 256 and 4096 characters. It is defined in the file when set. Format: + libata.force= [LIBATA] Force configurations. The format is comma + separated list of "[ID:]VAL" where ID is + PORT[:DEVICE]. PORT and DEVICE are decimal numbers + matching port, link or device. Basically, it matches + the ATA ID string printed on console by libata. If + the whole ID part is omitted, the last PORT and DEVICE + values are used. If ID hasn't been specified yet, the + configuration applies to all ports, links and devices. + + If only DEVICE is omitted, the parameter applies to + the port and all links and devices behind it. DEVICE + number of 0 either selects the first device or the + first fan-out link behind PMP device. It does not + select the host link. DEVICE number of 15 selects the + host link and device attached to it. + + The VAL specifies the configuration to force. As long + as there's no ambiguity shortcut notation is allowed. + For example, both 1.5 and 1.5G would work for 1.5Gbps. + The following configurations can be forced. + + * Cable type: 40c, 80c, short40c, unk, ign or sata. + Any ID with matching PORT is used. + + * SATA link speed limit: 1.5Gbps or 3.0Gbps. + + * Transfer mode: pio[0-7], mwdma[0-4] and udma[0-7]. + udma[/][16,25,33,44,66,100,133] notation is also + allowed. + + * [no]ncq: Turn on or off NCQ. + + If there are multiple matching configurations changing + the same attribute, the last one is used. + load_ramdisk= [RAM] List of ramdisks to load from floppy See Documentation/ramdisk.txt. @@ -1048,8 +1091,6 @@ and is between 256 and 4096 characters. It is defined in the file [SCSI] Maximum number of LUNs received. Should be between 1 and 16384. - mca-pentium [BUGS=X86-32] - mcatest= [IA-64] mce [X86-32] Machine Check Exception @@ -1561,14 +1602,17 @@ and is between 256 and 4096 characters. It is defined in the file ramdisk_size= [RAM] Sizes of RAM disks in kilobytes See Documentation/ramdisk.txt. - rcu.blimit= [KNL,BOOT] Set maximum number of finished - RCU callbacks to process in one batch. + rcupdate.blimit= [KNL,BOOT] + Set maximum number of finished RCU callbacks to process + in one batch. - rcu.qhimark= [KNL,BOOT] Set threshold of queued + rcupdate.qhimark= [KNL,BOOT] + Set threshold of queued RCU callbacks over which batch limiting is disabled. - rcu.qlowmark= [KNL,BOOT] Set threshold of queued - RCU callbacks below which batch limiting is re-enabled. + rcupdate.qlowmark= [KNL,BOOT] + Set threshold of queued RCU callbacks below which + batch limiting is re-enabled. rdinit= [KNL] Format: @@ -1888,9 +1932,6 @@ and is between 256 and 4096 characters. It is defined in the file st= [HW,SCSI] SCSI tape parameters (buffers, etc.) See Documentation/scsi/st.txt. - st0x= [HW,SCSI] - See header of drivers/scsi/seagate.c. - sti= [PARISC,HW] Format: Set the STI (builtin display/keyboard on the HP-PARISC @@ -1965,9 +2006,6 @@ and is between 256 and 4096 characters. It is defined in the file : poll all this frequency 0: no polling (default) - time Show timing data prefixed to each printk message line - [deprecated, see 'printk.time'] - tipar.timeout= [HW,PPT] Set communications timeout in tenths of a second (default 15). @@ -1975,9 +2013,6 @@ and is between 256 and 4096 characters. It is defined in the file tipar.delay= [HW,PPT] Set inter-bit delay in microseconds (default 10). - tmc8xx= [HW,SCSI] - See header of drivers/scsi/seagate.c. - tmscsim= [HW,SCSI] See comment before function dc390_setup() in drivers/scsi/tmscsim.c.