diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 43 |
1 files changed, 35 insertions, 8 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 33121d6c827c..880f882160e2 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -34,6 +34,7 @@ parameter is applicable: ALSA ALSA sound support is enabled. APIC APIC support is enabled. APM Advanced Power Management support is enabled. + AVR32 AVR32 architecture is enabled. AX25 Appropriate AX.25 support is enabled. BLACKFIN Blackfin architecture is enabled. DRM Direct Rendering Management support is enabled. @@ -369,7 +370,8 @@ and is between 256 and 4096 characters. It is defined in the file configured. Potentially dangerous and should only be used if you are entirely sure of the consequences. - chandev= [HW,NET] Generic channel device initialisation + ccw_timeout_log [S390] + See Documentation/s390/CommonIO for details. checkreqprot [SELINUX] Set initial checkreqprot flag value. Format: { "0" | "1" } @@ -381,6 +383,12 @@ and is between 256 and 4096 characters. It is defined in the file Value can be changed at runtime via /selinux/checkreqprot. + 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 @@ -527,29 +535,30 @@ and is between 256 and 4096 characters. It is defined in the file Format: <area>[,<node>] See also Documentation/networking/decnet.txt. - default_blu= [VT] + vt.default_blu= [VT] Format: <blue0>,<blue1>,<blue2>,...,<blue15> Change the default blue palette of the console. This is a 16-member array composed of values ranging from 0-255. - default_grn= [VT] + vt.default_grn= [VT] Format: <green0>,<green1>,<green2>,...,<green15> Change the default green palette of the console. This is a 16-member array composed of values ranging from 0-255. - default_red= [VT] + vt.default_red= [VT] Format: <red0>,<red1>,<red2>,...,<red15> Change the default red palette of the console. This is a 16-member array composed of values ranging from 0-255. - default_utf8= [VT] + vt.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. + Default is 1, i.e. UTF-8 mode is enabled for all + newly opened terminals. dhash_entries= [KNL] Set number of hash buckets for dentry cache. @@ -882,6 +891,14 @@ and is between 256 and 4096 characters. It is defined in the file lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer in C2 power state. + libata.dma= [LIBATA] DMA control + libata.dma=0 Disable all PATA and SATA DMA + libata.dma=1 PATA and SATA Disk DMA only + libata.dma=2 ATAPI (CDROM) DMA only + libata.dma=4 Compact Flash DMA only + Combinations also work, so libata.dma=3 enables DMA + for disks and CDROMs, but not CFs. + libata.noacpi [LIBATA] Disables use of ACPI in libata suspend/resume when set. Format: <int> @@ -1114,6 +1131,10 @@ and is between 256 and 4096 characters. It is defined in the file of returning the full 64-bit number. The default is to return 64-bit inode numbers. + nmi_debug= [KNL,AVR32] Specify one or more actions to take + when a NMI is triggered. + Format: [state][,regs][,debounce][,die] + nmi_watchdog= [KNL,BUGS=X86-32] Debugging features for SMP kernels no387 [BUGS=X86-32] Tells the kernel to use the 387 maths @@ -1584,7 +1605,13 @@ and is between 256 and 4096 characters. It is defined in the file Format: <vendor>:<model>:<flags> (flags are integer value) - scsi_logging= [SCSI] + scsi_logging_level= [SCSI] a bit mask of logging levels + See drivers/scsi/scsi_logging.h for bits. Also + settable via sysctl at dev.scsi.logging_level + (/proc/sys/dev/scsi/logging_level). + There is also a nice 'scsi_logging_level' script in the + S390-tools package, available for download at + http://www-128.ibm.com/developerworks/linux/linux390/s390-tools-1.5.4.html scsi_mod.scan= [SCSI] sync (default) scans SCSI busses as they are discovered. async scans them in kernel threads, |