diff options
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index faeea507cdca..312fe77764a4 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> |
@@ -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 |
@@ -1205,6 +1241,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1205 | mtdparts= [MTD] | 1241 | mtdparts= [MTD] |
1206 | See drivers/mtd/cmdlinepart.c. | 1242 | See drivers/mtd/cmdlinepart.c. |
1207 | 1243 | ||
1244 | mtdset= [ARM] | ||
1245 | ARM/S3C2412 JIVE boot control | ||
1246 | |||
1247 | See arch/arm/mach-s3c2412/mach-jive.c | ||
1248 | |||
1208 | mtouchusb.raw_coordinates= | 1249 | mtouchusb.raw_coordinates= |
1209 | [HW] Make the MicroTouch USB driver use raw coordinates | 1250 | [HW] Make the MicroTouch USB driver use raw coordinates |
1210 | ('y', default) or cooked coordinates ('n') | 1251 | ('y', default) or cooked coordinates ('n') |
@@ -1568,6 +1609,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1568 | Format: { parport<nr> | timid | 0 } | 1609 | Format: { parport<nr> | timid | 0 } |
1569 | See also Documentation/parport.txt. | 1610 | See also Documentation/parport.txt. |
1570 | 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 | |||
1571 | pnpacpi= [ACPI] | 1616 | pnpacpi= [ACPI] |
1572 | { off } | 1617 | { off } |
1573 | 1618 | ||
@@ -2113,6 +2158,9 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2113 | usbhid.mousepoll= | 2158 | usbhid.mousepoll= |
2114 | [USBHID] The interval which mice are to be polled at. | 2159 | [USBHID] The interval which mice are to be polled at. |
2115 | 2160 | ||
2161 | add_efi_memmap [EFI; x86-32,X86-64] Include EFI memory map in | ||
2162 | kernel's map of available physical RAM. | ||
2163 | |||
2116 | vdso= [X86-32,SH,x86-64] | 2164 | vdso= [X86-32,SH,x86-64] |
2117 | vdso=2: enable compat VDSO (default with COMPAT_VDSO) | 2165 | vdso=2: enable compat VDSO (default with COMPAT_VDSO) |
2118 | vdso=1: enable VDSO (default) | 2166 | vdso=1: enable VDSO (default) |