diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-15 17:12:58 -0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-15 17:12:58 -0400 |
commit | 1e09481365ce248dbb4eb06dad70129bb5807037 (patch) | |
tree | c0cff5bef95c8b5e7486f144718ade9a06c284dc /Documentation/kernel-parameters.txt | |
parent | 3e2f69fdd1b00166e7d589bce56b2d36a9e74374 (diff) | |
parent | b9d2252c1e44fa83a4e65fdc9eb93db6297c55af (diff) |
Merge branch 'linus' into core/softlockup
Conflicts:
kernel/softlockup.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 59 |
1 files changed, 54 insertions, 5 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 042588fa12e5..b8451f771460 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -271,6 +271,17 @@ and is between 256 and 4096 characters. It is defined in the file | |||
271 | aic79xx= [HW,SCSI] | 271 | aic79xx= [HW,SCSI] |
272 | See Documentation/scsi/aic79xx.txt. | 272 | See Documentation/scsi/aic79xx.txt. |
273 | 273 | ||
274 | amd_iommu= [HW,X86-84] | ||
275 | Pass parameters to the AMD IOMMU driver in the system. | ||
276 | Possible values are: | ||
277 | isolate - enable device isolation (each device, as far | ||
278 | as possible, will get its own protection | ||
279 | domain) | ||
280 | amd_iommu_size= [HW,X86-64] | ||
281 | Define the size of the aperture for the AMD IOMMU | ||
282 | driver. Possible values are: | ||
283 | '32M', '64M' (default), '128M', '256M', '512M', '1G' | ||
284 | |||
274 | amijoy.map= [HW,JOY] Amiga joystick support | 285 | amijoy.map= [HW,JOY] Amiga joystick support |
275 | Map of devices attached to JOY0DAT and JOY1DAT | 286 | Map of devices attached to JOY0DAT and JOY1DAT |
276 | Format: <a>,<b> | 287 | Format: <a>,<b> |
@@ -295,7 +306,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
295 | when initialising the APIC and IO-APIC components. | 306 | when initialising the APIC and IO-APIC components. |
296 | 307 | ||
297 | apm= [APM] Advanced Power Management | 308 | apm= [APM] Advanced Power Management |
298 | See header of arch/i386/kernel/apm.c. | 309 | See header of arch/x86/kernel/apm_32.c. |
299 | 310 | ||
300 | arcrimi= [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards | 311 | arcrimi= [HW,NET] ARCnet - "RIM I" (entirely mem-mapped) cards |
301 | Format: <io>,<irq>,<nodeID> | 312 | Format: <io>,<irq>,<nodeID> |
@@ -560,6 +571,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
560 | 571 | ||
561 | debug_objects [KNL] Enable object debugging | 572 | debug_objects [KNL] Enable object debugging |
562 | 573 | ||
574 | debugpat [X86] Enable PAT debugging | ||
575 | |||
563 | decnet.addr= [HW,NET] | 576 | decnet.addr= [HW,NET] |
564 | Format: <area>[,<node>] | 577 | Format: <area>[,<node>] |
565 | See also Documentation/networking/decnet.txt. | 578 | See also Documentation/networking/decnet.txt. |
@@ -599,6 +612,29 @@ and is between 256 and 4096 characters. It is defined in the file | |||
599 | See drivers/char/README.epca and | 612 | See drivers/char/README.epca and |
600 | Documentation/digiepca.txt. | 613 | Documentation/digiepca.txt. |
601 | 614 | ||
615 | disable_mtrr_cleanup [X86] | ||
616 | enable_mtrr_cleanup [X86] | ||
617 | The kernel tries to adjust MTRR layout from continuous | ||
618 | to discrete, to make X server driver able to add WB | ||
619 | entry later. This parameter enables/disables that. | ||
620 | |||
621 | mtrr_chunk_size=nn[KMG] [X86] | ||
622 | used for mtrr cleanup. It is largest continous chunk | ||
623 | that could hold holes aka. UC entries. | ||
624 | |||
625 | mtrr_gran_size=nn[KMG] [X86] | ||
626 | Used for mtrr cleanup. It is granularity of mtrr block. | ||
627 | Default is 1. | ||
628 | Large value could prevent small alignment from | ||
629 | using up MTRRs. | ||
630 | |||
631 | mtrr_spare_reg_nr=n [X86] | ||
632 | Format: <integer> | ||
633 | Range: 0,7 : spare reg number | ||
634 | Default : 1 | ||
635 | Used for mtrr cleanup. It is spare mtrr entries number. | ||
636 | Set to 2 or more if your graphical card needs more. | ||
637 | |||
602 | disable_mtrr_trim [X86, Intel and AMD only] | 638 | disable_mtrr_trim [X86, Intel and AMD only] |
603 | By default the kernel will trim any uncacheable | 639 | By default the kernel will trim any uncacheable |
604 | memory out of your available memory pool based on | 640 | memory out of your available memory pool based on |
@@ -638,7 +674,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
638 | 674 | ||
639 | elanfreq= [X86-32] | 675 | elanfreq= [X86-32] |
640 | See comment before function elanfreq_setup() in | 676 | See comment before function elanfreq_setup() in |
641 | arch/i386/kernel/cpu/cpufreq/elanfreq.c. | 677 | arch/x86/kernel/cpu/cpufreq/elanfreq.c. |
642 | 678 | ||
643 | elevator= [IOSCHED] | 679 | elevator= [IOSCHED] |
644 | Format: {"anticipatory" | "cfq" | "deadline" | "noop"} | 680 | Format: {"anticipatory" | "cfq" | "deadline" | "noop"} |
@@ -722,9 +758,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
722 | hd= [EIDE] (E)IDE hard drive subsystem geometry | 758 | hd= [EIDE] (E)IDE hard drive subsystem geometry |
723 | Format: <cyl>,<head>,<sect> | 759 | Format: <cyl>,<head>,<sect> |
724 | 760 | ||
725 | hd?= [HW] (E)IDE subsystem | ||
726 | hd?lun= See Documentation/ide/ide.txt. | ||
727 | |||
728 | highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact | 761 | highmem=nn[KMG] [KNL,BOOT] forces the highmem zone to have an exact |
729 | size of <nn>. This works even on boxes that have no | 762 | size of <nn>. This works even on boxes that have no |
730 | highmem otherwise. This also works to reduce highmem | 763 | highmem otherwise. This also works to reduce highmem |
@@ -1208,6 +1241,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1208 | mtdparts= [MTD] | 1241 | mtdparts= [MTD] |
1209 | See drivers/mtd/cmdlinepart.c. | 1242 | See drivers/mtd/cmdlinepart.c. |
1210 | 1243 | ||
1244 | mtdset= [ARM] | ||
1245 | ARM/S3C2412 JIVE boot control | ||
1246 | |||
1247 | See arch/arm/mach-s3c2412/mach-jive.c | ||
1248 | |||
1211 | mtouchusb.raw_coordinates= | 1249 | mtouchusb.raw_coordinates= |
1212 | [HW] Make the MicroTouch USB driver use raw coordinates | 1250 | [HW] Make the MicroTouch USB driver use raw coordinates |
1213 | ('y', default) or cooked coordinates ('n') | 1251 | ('y', default) or cooked coordinates ('n') |
@@ -1571,6 +1609,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1571 | Format: { parport<nr> | timid | 0 } | 1609 | Format: { parport<nr> | timid | 0 } |
1572 | See also Documentation/parport.txt. | 1610 | See also Documentation/parport.txt. |
1573 | 1611 | ||
1612 | pmtmr= [X86] Manual setup of pmtmr I/O Port. | ||
1613 | Override pmtimer IOPort with a hex value. | ||
1614 | e.g. pmtmr=0x508 | ||
1615 | |||
1574 | pnpacpi= [ACPI] | 1616 | pnpacpi= [ACPI] |
1575 | { off } | 1617 | { off } |
1576 | 1618 | ||
@@ -1679,6 +1721,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1679 | Format: <reboot_mode>[,<reboot_mode2>[,...]] | 1721 | Format: <reboot_mode>[,<reboot_mode2>[,...]] |
1680 | See arch/*/kernel/reboot.c or arch/*/kernel/process.c | 1722 | See arch/*/kernel/reboot.c or arch/*/kernel/process.c |
1681 | 1723 | ||
1724 | relax_domain_level= | ||
1725 | [KNL, SMP] Set scheduler's default relax_domain_level. | ||
1726 | See Documentation/cpusets.txt. | ||
1727 | |||
1682 | reserve= [KNL,BUGS] Force the kernel to ignore some iomem area | 1728 | reserve= [KNL,BUGS] Force the kernel to ignore some iomem area |
1683 | 1729 | ||
1684 | reservetop= [X86-32] | 1730 | reservetop= [X86-32] |
@@ -2115,6 +2161,9 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2115 | usbhid.mousepoll= | 2161 | usbhid.mousepoll= |
2116 | [USBHID] The interval which mice are to be polled at. | 2162 | [USBHID] The interval which mice are to be polled at. |
2117 | 2163 | ||
2164 | add_efi_memmap [EFI; x86-32,X86-64] Include EFI memory map in | ||
2165 | kernel's map of available physical RAM. | ||
2166 | |||
2118 | vdso= [X86-32,SH,x86-64] | 2167 | vdso= [X86-32,SH,x86-64] |
2119 | vdso=2: enable compat VDSO (default with COMPAT_VDSO) | 2168 | vdso=2: enable compat VDSO (default with COMPAT_VDSO) |
2120 | vdso=1: enable VDSO (default) | 2169 | vdso=1: enable VDSO (default) |