diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 31 |
1 files changed, 23 insertions, 8 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index e5f3d918316f..e07c432c731f 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -398,9 +398,6 @@ and is between 256 and 4096 characters. It is defined in the file cio_ignore= [S390] See Documentation/s390/CommonIO for details. - cio_msg= [S390] - See Documentation/s390/CommonIO for details. - clock= [BUGS=X86-32, HW] gettimeofday clocksource override. [Deprecated] Forces specified clocksource (if available) to be used @@ -496,6 +493,11 @@ and is between 256 and 4096 characters. It is defined in the file switching to the matching ttyS device later. The options are the same as for ttyS, above. + If the device connected to the port is not a TTY but a braille + device, prepend "brl," before the device type, for instance + console=brl,ttyS0 + For now, only VisioBraille is supported. + earlycon= [KNL] Output early console device and options. uart[8250],io,<addr>[,options] uart[8250],mmio,<addr>[,options] @@ -556,6 +558,8 @@ and is between 256 and 4096 characters. It is defined in the file 1 will print _a lot_ more information - normally only useful to kernel developers. + debug_objects [KNL] Enable object debugging + decnet.addr= [HW,NET] Format: <area>[,<node>] See also Documentation/networking/decnet.txt. @@ -627,8 +631,7 @@ and is between 256 and 4096 characters. It is defined in the file eata= [HW,SCSI] edd= [EDD] - Format: {"of[f]" | "sk[ipmbr]"} - See comment in arch/i386/boot/edd.S + Format: {"off" | "on" | "skip[mbr]"} eisa_irq_edge= [PARISC,HW] See header of drivers/parisc/eisa.c. @@ -683,6 +686,12 @@ and is between 256 and 4096 characters. It is defined in the file floppy= [HW] See Documentation/floppy.txt. + force_pal_cache_flush + [IA-64] Avoid check_sal_cache_flush which may hang on + buggy SAL_CACHE_FLUSH implementations. Using this + parameter will force ia64_sal_cache_flush to call + ia64_pal_cache_flush instead of SAL_CACHE_FLUSH. + gamecon.map[2|3]= [HW,JOY] Multisystem joystick and NES/SNES/PSX pad support via parallel port (up to 5 devices per port) @@ -1088,9 +1097,6 @@ and is between 256 and 4096 characters. It is defined in the file 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> - machvec= [IA64] Force the use of a particular machine-vector (machvec) in a generic kernel. Example: machvec=hpzx1_swiotlb @@ -1389,6 +1395,13 @@ and is between 256 and 4096 characters. It is defined in the file nr_uarts= [SERIAL] maximum number of UARTs to be registered. + olpc_ec_timeout= [OLPC] ms delay when issuing EC commands + Rather than timing out after 20 ms if an EC + command is not properly ACKed, override the length + of the timeout. We have interrupts disabled while + waiting for the ACK, so if this is set too high + interrupts *may* be lost! + opl3= [HW,OSS] Format: <io> @@ -1512,6 +1525,8 @@ and is between 256 and 4096 characters. It is defined in the file This is normally done in pci_enable_device(), so this option is a temporary workaround for broken drivers that don't call it. + skip_isa_align [X86] do not align io start addr, so can + handle more pci cards firmware [ARM] Do not re-enumerate the bus but instead just use the configuration from the bootloader. This is currently used on |