X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=533e67febf813a18d6af172ac40fcf7c9e0def88;hb=c463be3520065ef8c05e3cbdf946c69604e91ceb;hp=8ea41b6e6a85ac7ca75bfc2775b9d122a526244c;hpb=e5e54bc86a1fed9849b22fd736c30b23c4719046;p=linux-2.6 diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 8ea41b6e6a..533e67febf 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -177,6 +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" @@ -709,7 +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 @@ -763,14 +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 @@ -947,6 +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. @@ -1053,8 +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 @@ -1970,9 +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).