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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 02:53:38 -0400 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-06-12 02:53:38 -0400 |
commit | bc47ab0241c7c86da4f5e5f82fbca7d45387c18d (patch) | |
tree | b9c33ae8b6de43e44cc5fcbaa3e4a15f18a5ed42 /Documentation/kernel-parameters.txt | |
parent | 37f9ef553bed630957e025504cdcbc76f5de49d5 (diff) | |
parent | 8ebf975608aaebd7feb33d77f07ba21a6380e086 (diff) |
Merge commit 'origin/master' into next
Manual merge of:
arch/powerpc/kernel/asm-offsets.c
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 60 |
1 files changed, 43 insertions, 17 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 779160afa351..f93c6336e689 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -56,7 +56,6 @@ parameter is applicable: | |||
56 | ISAPNP ISA PnP code is enabled. | 56 | ISAPNP ISA PnP code is enabled. |
57 | ISDN Appropriate ISDN support is enabled. | 57 | ISDN Appropriate ISDN support is enabled. |
58 | JOY Appropriate joystick support is enabled. | 58 | JOY Appropriate joystick support is enabled. |
59 | KMEMTRACE kmemtrace is enabled. | ||
60 | LIBATA Libata driver is enabled | 59 | LIBATA Libata driver is enabled |
61 | LP Printer support is enabled. | 60 | LP Printer support is enabled. |
62 | LOOP Loopback device support is enabled. | 61 | LOOP Loopback device support is enabled. |
@@ -329,11 +328,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
329 | flushed before they will be reused, which | 328 | flushed before they will be reused, which |
330 | is a lot of faster | 329 | is a lot of faster |
331 | 330 | ||
332 | amd_iommu_size= [HW,X86-64] | ||
333 | Define the size of the aperture for the AMD IOMMU | ||
334 | driver. Possible values are: | ||
335 | '32M', '64M' (default), '128M', '256M', '512M', '1G' | ||
336 | |||
337 | amijoy.map= [HW,JOY] Amiga joystick support | 331 | amijoy.map= [HW,JOY] Amiga joystick support |
338 | Map of devices attached to JOY0DAT and JOY1DAT | 332 | Map of devices attached to JOY0DAT and JOY1DAT |
339 | Format: <a>,<b> | 333 | Format: <a>,<b> |
@@ -653,6 +647,13 @@ and is between 256 and 4096 characters. It is defined in the file | |||
653 | DMA-API debugging code disables itself because the | 647 | DMA-API debugging code disables itself because the |
654 | architectural default is too low. | 648 | architectural default is too low. |
655 | 649 | ||
650 | dma_debug_driver=<driver_name> | ||
651 | With this option the DMA-API debugging driver | ||
652 | filter feature can be enabled at boot time. Just | ||
653 | pass the driver to filter for as the parameter. | ||
654 | The filter can be disabled or changed to another | ||
655 | driver later using sysfs. | ||
656 | |||
656 | dscc4.setup= [NET] | 657 | dscc4.setup= [NET] |
657 | 658 | ||
658 | dtc3181e= [HW,SCSI] | 659 | dtc3181e= [HW,SCSI] |
@@ -759,12 +760,25 @@ and is between 256 and 4096 characters. It is defined in the file | |||
759 | ia64_pal_cache_flush instead of SAL_CACHE_FLUSH. | 760 | ia64_pal_cache_flush instead of SAL_CACHE_FLUSH. |
760 | 761 | ||
761 | ftrace=[tracer] | 762 | ftrace=[tracer] |
762 | [ftrace] will set and start the specified tracer | 763 | [FTRACE] will set and start the specified tracer |
763 | as early as possible in order to facilitate early | 764 | as early as possible in order to facilitate early |
764 | boot debugging. | 765 | boot debugging. |
765 | 766 | ||
766 | ftrace_dump_on_oops | 767 | ftrace_dump_on_oops |
767 | [ftrace] will dump the trace buffers on oops. | 768 | [FTRACE] will dump the trace buffers on oops. |
769 | |||
770 | ftrace_filter=[function-list] | ||
771 | [FTRACE] Limit the functions traced by the function | ||
772 | tracer at boot up. function-list is a comma separated | ||
773 | list of functions. This list can be changed at run | ||
774 | time by the set_ftrace_filter file in the debugfs | ||
775 | tracing directory. | ||
776 | |||
777 | ftrace_notrace=[function-list] | ||
778 | [FTRACE] Do not trace the functions specified in | ||
779 | function-list. This list can be changed at run time | ||
780 | by the set_ftrace_notrace file in the debugfs | ||
781 | tracing directory. | ||
768 | 782 | ||
769 | gamecon.map[2|3]= | 783 | gamecon.map[2|3]= |
770 | [HW,JOY] Multisystem joystick and NES/SNES/PSX pad | 784 | [HW,JOY] Multisystem joystick and NES/SNES/PSX pad |
@@ -921,6 +935,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
921 | Formt: { "sha1" | "md5" } | 935 | Formt: { "sha1" | "md5" } |
922 | default: "sha1" | 936 | default: "sha1" |
923 | 937 | ||
938 | ima_tcb [IMA] | ||
939 | Load a policy which meets the needs of the Trusted | ||
940 | Computing Base. This means IMA will measure all | ||
941 | programs exec'd, files mmap'd for exec, and all files | ||
942 | opened for read by uid=0. | ||
943 | |||
924 | in2000= [HW,SCSI] | 944 | in2000= [HW,SCSI] |
925 | See header of drivers/scsi/in2000.c. | 945 | See header of drivers/scsi/in2000.c. |
926 | 946 | ||
@@ -1061,15 +1081,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1061 | use the HighMem zone if it exists, and the Normal | 1081 | use the HighMem zone if it exists, and the Normal |
1062 | zone if it does not. | 1082 | zone if it does not. |
1063 | 1083 | ||
1064 | kmemtrace.enable= [KNL,KMEMTRACE] Format: { yes | no } | ||
1065 | Controls whether kmemtrace is enabled | ||
1066 | at boot-time. | ||
1067 | |||
1068 | kmemtrace.subbufs=n [KNL,KMEMTRACE] Overrides the number of | ||
1069 | subbufs kmemtrace's relay channel has. Set this | ||
1070 | higher than default (KMEMTRACE_N_SUBBUFS in code) if | ||
1071 | you experience buffer overruns. | ||
1072 | |||
1073 | kgdboc= [HW] kgdb over consoles. | 1084 | kgdboc= [HW] kgdb over consoles. |
1074 | Requires a tty driver that supports console polling. | 1085 | Requires a tty driver that supports console polling. |
1075 | (only serial suported for now) | 1086 | (only serial suported for now) |
@@ -1079,6 +1090,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1079 | Configure the RouterBoard 532 series on-chip | 1090 | Configure the RouterBoard 532 series on-chip |
1080 | Ethernet adapter MAC address. | 1091 | Ethernet adapter MAC address. |
1081 | 1092 | ||
1093 | kmemleak= [KNL] Boot-time kmemleak enable/disable | ||
1094 | Valid arguments: on, off | ||
1095 | Default: on | ||
1096 | |||
1082 | kstack=N [X86] Print N words from the kernel stack | 1097 | kstack=N [X86] Print N words from the kernel stack |
1083 | in oops dumps. | 1098 | in oops dumps. |
1084 | 1099 | ||
@@ -1582,6 +1597,9 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1582 | noinitrd [RAM] Tells the kernel not to load any configured | 1597 | noinitrd [RAM] Tells the kernel not to load any configured |
1583 | initial RAM disk. | 1598 | initial RAM disk. |
1584 | 1599 | ||
1600 | nointremap [X86-64, Intel-IOMMU] Do not enable interrupt | ||
1601 | remapping. | ||
1602 | |||
1585 | nointroute [IA-64] | 1603 | nointroute [IA-64] |
1586 | 1604 | ||
1587 | nojitter [IA64] Disables jitter checking for ITC timers. | 1605 | nojitter [IA64] Disables jitter checking for ITC timers. |
@@ -1667,6 +1685,14 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1667 | oprofile.timer= [HW] | 1685 | oprofile.timer= [HW] |
1668 | Use timer interrupt instead of performance counters | 1686 | Use timer interrupt instead of performance counters |
1669 | 1687 | ||
1688 | oprofile.cpu_type= Force an oprofile cpu type | ||
1689 | This might be useful if you have an older oprofile | ||
1690 | userland or if you want common events. | ||
1691 | Format: { archperfmon } | ||
1692 | archperfmon: [X86] Force use of architectural | ||
1693 | perfmon on Intel CPUs instead of the | ||
1694 | CPU specific event set. | ||
1695 | |||
1670 | osst= [HW,SCSI] SCSI Tape Driver | 1696 | osst= [HW,SCSI] SCSI Tape Driver |
1671 | Format: <buffer_size>,<write_threshold> | 1697 | Format: <buffer_size>,<write_threshold> |
1672 | See also Documentation/scsi/st.txt. | 1698 | See also Documentation/scsi/st.txt. |