diff options
author | Paul Mundt <lethal@linux-sh.org> | 2008-10-19 22:17:52 -0400 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2008-10-19 22:17:52 -0400 |
commit | 4cb40f795af36b3deb743f6ccf6c3fd542c61c8d (patch) | |
tree | db3d7519932549bf528f5b8e4cb8350356cd544d /Documentation/kernel-parameters.txt | |
parent | 79ed2a9216dd3cc35c4f2c5dbaddadb195af83ac (diff) | |
parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/kernel-parameters.txt
arch/sh/include/asm/elf.h
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 78 |
1 files changed, 71 insertions, 7 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index abeff96e9d46..bcecfaa1e770 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -284,6 +284,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
284 | isolate - enable device isolation (each device, as far | 284 | isolate - enable device isolation (each device, as far |
285 | as possible, will get its own protection | 285 | as possible, will get its own protection |
286 | domain) | 286 | domain) |
287 | fullflush - enable flushing of IO/TLB entries when | ||
288 | they are unmapped. Otherwise they are | ||
289 | flushed before they will be reused, which | ||
290 | is a lot of faster | ||
291 | |||
287 | amd_iommu_size= [HW,X86-64] | 292 | amd_iommu_size= [HW,X86-64] |
288 | Define the size of the aperture for the AMD IOMMU | 293 | Define the size of the aperture for the AMD IOMMU |
289 | driver. Possible values are: | 294 | driver. Possible values are: |
@@ -463,12 +468,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
463 | Range: 0 - 8192 | 468 | Range: 0 - 8192 |
464 | Default: 64 | 469 | Default: 64 |
465 | 470 | ||
466 | disable_8254_timer | ||
467 | enable_8254_timer | ||
468 | [IA32/X86_64] Disable/Enable interrupt 0 timer routing | ||
469 | over the 8254 in addition to over the IO-APIC. The | ||
470 | kernel tries to set a sensible default. | ||
471 | |||
472 | hpet= [X86-32,HPET] option to control HPET usage | 471 | hpet= [X86-32,HPET] option to control HPET usage |
473 | Format: { enable (default) | disable | force } | 472 | Format: { enable (default) | disable | force } |
474 | disable: disable HPET and use PIT instead | 473 | disable: disable HPET and use PIT instead |
@@ -659,11 +658,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
659 | earlyprintk= [X86-32,X86-64,SH,BLACKFIN] | 658 | earlyprintk= [X86-32,X86-64,SH,BLACKFIN] |
660 | earlyprintk=vga | 659 | earlyprintk=vga |
661 | earlyprintk=serial[,ttySn[,baudrate]] | 660 | earlyprintk=serial[,ttySn[,baudrate]] |
661 | earlyprintk=dbgp | ||
662 | 662 | ||
663 | Append ",keep" to not disable it when the real console | 663 | Append ",keep" to not disable it when the real console |
664 | takes over. | 664 | takes over. |
665 | 665 | ||
666 | Only vga or serial at a time, not both. | 666 | Only vga or serial or usb debug port at a time. |
667 | 667 | ||
668 | Currently only ttyS0 and ttyS1 are supported. | 668 | Currently only ttyS0 and ttyS1 are supported. |
669 | 669 | ||
@@ -798,6 +798,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
798 | 798 | ||
799 | hlt [BUGS=ARM,SH] | 799 | hlt [BUGS=ARM,SH] |
800 | 800 | ||
801 | i8042.debug [HW] Toggle i8042 debug mode | ||
801 | i8042.direct [HW] Put keyboard port into non-translated mode | 802 | i8042.direct [HW] Put keyboard port into non-translated mode |
802 | i8042.dumbkbd [HW] Pretend that controller can only read data from | 803 | i8042.dumbkbd [HW] Pretend that controller can only read data from |
803 | keyboard and cannot control its state | 804 | keyboard and cannot control its state |
@@ -1022,6 +1023,10 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1022 | (only serial suported for now) | 1023 | (only serial suported for now) |
1023 | Format: <serial_device>[,baud] | 1024 | Format: <serial_device>[,baud] |
1024 | 1025 | ||
1026 | kmac= [MIPS] korina ethernet MAC address. | ||
1027 | Configure the RouterBoard 532 series on-chip | ||
1028 | Ethernet adapter MAC address. | ||
1029 | |||
1025 | l2cr= [PPC] | 1030 | l2cr= [PPC] |
1026 | 1031 | ||
1027 | l3cr= [PPC] | 1032 | l3cr= [PPC] |
@@ -1234,6 +1239,29 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1234 | or | 1239 | or |
1235 | memmap=0x10000$0x18690000 | 1240 | memmap=0x10000$0x18690000 |
1236 | 1241 | ||
1242 | memory_corruption_check=0/1 [X86] | ||
1243 | Some BIOSes seem to corrupt the first 64k of | ||
1244 | memory when doing things like suspend/resume. | ||
1245 | Setting this option will scan the memory | ||
1246 | looking for corruption. Enabling this will | ||
1247 | both detect corruption and prevent the kernel | ||
1248 | from using the memory being corrupted. | ||
1249 | However, its intended as a diagnostic tool; if | ||
1250 | repeatable BIOS-originated corruption always | ||
1251 | affects the same memory, you can use memmap= | ||
1252 | to prevent the kernel from using that memory. | ||
1253 | |||
1254 | memory_corruption_check_size=size [X86] | ||
1255 | By default it checks for corruption in the low | ||
1256 | 64k, making this memory unavailable for normal | ||
1257 | use. Use this parameter to scan for | ||
1258 | corruption in more or less memory. | ||
1259 | |||
1260 | memory_corruption_check_period=seconds [X86] | ||
1261 | By default it checks for corruption every 60 | ||
1262 | seconds. Use this parameter to check at some | ||
1263 | other rate. 0 disables periodic checking. | ||
1264 | |||
1237 | memtest= [KNL,X86] Enable memtest | 1265 | memtest= [KNL,X86] Enable memtest |
1238 | Format: <integer> | 1266 | Format: <integer> |
1239 | range: 0,4 : pattern number | 1267 | range: 0,4 : pattern number |
@@ -1435,6 +1463,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1435 | 1463 | ||
1436 | nolapic_timer [X86-32,APIC] Do not use the local APIC timer. | 1464 | nolapic_timer [X86-32,APIC] Do not use the local APIC timer. |
1437 | 1465 | ||
1466 | nox2apic [X86-64,APIC] Do not enable x2APIC mode. | ||
1467 | |||
1468 | x2apic_phys [X86-64,APIC] Use x2apic physical mode instead of | ||
1469 | default x2apic cluster mode on platforms | ||
1470 | supporting x2apic. | ||
1471 | |||
1438 | noltlbs [PPC] Do not use large page/tlb entries for kernel | 1472 | noltlbs [PPC] Do not use large page/tlb entries for kernel |
1439 | lowmem mapping on PPC40x. | 1473 | lowmem mapping on PPC40x. |
1440 | 1474 | ||
@@ -1690,6 +1724,11 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1690 | autoconfiguration. | 1724 | autoconfiguration. |
1691 | Ranges are in pairs (memory base and size). | 1725 | Ranges are in pairs (memory base and size). |
1692 | 1726 | ||
1727 | dynamic_printk | ||
1728 | Enables pr_debug()/dev_dbg() calls if | ||
1729 | CONFIG_DYNAMIC_PRINTK_DEBUG has been enabled. These can also | ||
1730 | be switched on/off via <debugfs>/dynamic_printk/modules | ||
1731 | |||
1693 | print-fatal-signals= | 1732 | print-fatal-signals= |
1694 | [KNL] debug: print fatal signals | 1733 | [KNL] debug: print fatal signals |
1695 | print-fatal-signals=1: print segfault info to | 1734 | print-fatal-signals=1: print segfault info to |
@@ -1892,6 +1931,12 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1892 | shapers= [NET] | 1931 | shapers= [NET] |
1893 | Maximal number of shapers. | 1932 | Maximal number of shapers. |
1894 | 1933 | ||
1934 | show_msr= [x86] show boot-time MSR settings | ||
1935 | Format: { <integer> } | ||
1936 | Show boot-time (BIOS-initialized) MSR settings. | ||
1937 | The parameter means the number of CPUs to show, | ||
1938 | for example 1 means boot CPU only. | ||
1939 | |||
1895 | sim710= [SCSI,HW] | 1940 | sim710= [SCSI,HW] |
1896 | See header of drivers/scsi/sim710.c. | 1941 | See header of drivers/scsi/sim710.c. |
1897 | 1942 | ||
@@ -2218,6 +2263,25 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2218 | autosuspended. Devices for which the delay is set | 2263 | autosuspended. Devices for which the delay is set |
2219 | to a negative value won't be autosuspended at all. | 2264 | to a negative value won't be autosuspended at all. |
2220 | 2265 | ||
2266 | usbcore.usbfs_snoop= | ||
2267 | [USB] Set to log all usbfs traffic (default 0 = off). | ||
2268 | |||
2269 | usbcore.blinkenlights= | ||
2270 | [USB] Set to cycle leds on hubs (default 0 = off). | ||
2271 | |||
2272 | usbcore.old_scheme_first= | ||
2273 | [USB] Start with the old device initialization | ||
2274 | scheme (default 0 = off). | ||
2275 | |||
2276 | usbcore.use_both_schemes= | ||
2277 | [USB] Try the other device initialization scheme | ||
2278 | if the first one fails (default 1 = enabled). | ||
2279 | |||
2280 | usbcore.initial_descriptor_timeout= | ||
2281 | [USB] Specifies timeout for the initial 64-byte | ||
2282 | USB_REQ_GET_DESCRIPTOR request in milliseconds | ||
2283 | (default 5000 = 5.0 seconds). | ||
2284 | |||
2221 | usbhid.mousepoll= | 2285 | usbhid.mousepoll= |
2222 | [USBHID] The interval which mice are to be polled at. | 2286 | [USBHID] The interval which mice are to be polled at. |
2223 | 2287 | ||