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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-12 02:53:38 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-06-12 02:53:38 -0400
commitbc47ab0241c7c86da4f5e5f82fbca7d45387c18d (patch)
treeb9c33ae8b6de43e44cc5fcbaa3e4a15f18a5ed42 /Documentation/kernel-parameters.txt
parent37f9ef553bed630957e025504cdcbc76f5de49d5 (diff)
parent8ebf975608aaebd7feb33d77f07ba21a6380e086 (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.txt60
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.