diff options
author | James Morris <jmorris@namei.org> | 2008-11-13 19:29:12 -0500 |
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committer | James Morris <jmorris@namei.org> | 2008-11-13 19:29:12 -0500 |
commit | 2b828925652340277a889cbc11b2d0637f7cdaf7 (patch) | |
tree | 32fcb3d3e466fc419fad2d3717956a5b5ad3d35a /Documentation/kernel-parameters.txt | |
parent | 3a3b7ce9336952ea7b9564d976d068a238976c9d (diff) | |
parent | 58e20d8d344b0ee083febb18c2b021d2427e56ca (diff) |
Merge branch 'master' into next
Conflicts:
security/keys/internal.h
security/keys/process_keys.c
security/keys/request_key.c
Fixed conflicts above by using the non 'tsk' versions.
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
-rw-r--r-- | Documentation/kernel-parameters.txt | 97 |
1 files changed, 40 insertions, 57 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 784443acca9c..b3b82f92f1dd 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -198,59 +198,42 @@ and is between 256 and 4096 characters. It is defined in the file | |||
198 | that require a timer override, but don't have | 198 | that require a timer override, but don't have |
199 | HPET | 199 | HPET |
200 | 200 | ||
201 | acpi.debug_layer= [HW,ACPI] | 201 | acpi_backlight= [HW,ACPI] |
202 | acpi_backlight=vendor | ||
203 | acpi_backlight=video | ||
204 | If set to vendor, prefer vendor specific driver | ||
205 | (e.g. thinkpad_acpi, sony_acpi, etc.) instead | ||
206 | of the ACPI video.ko driver. | ||
207 | |||
208 | acpi_display_output= [HW,ACPI] | ||
209 | acpi_display_output=vendor | ||
210 | acpi_display_output=video | ||
211 | See above. | ||
212 | |||
213 | acpi.debug_layer= [HW,ACPI,ACPI_DEBUG] | ||
214 | acpi.debug_level= [HW,ACPI,ACPI_DEBUG] | ||
202 | Format: <int> | 215 | Format: <int> |
203 | Each bit of the <int> indicates an ACPI debug layer, | 216 | CONFIG_ACPI_DEBUG must be enabled to produce any ACPI |
204 | 1: enable, 0: disable. It is useful for boot time | 217 | debug output. Bits in debug_layer correspond to a |
205 | debugging. After system has booted up, it can be set | 218 | _COMPONENT in an ACPI source file, e.g., |
206 | via /sys/module/acpi/parameters/debug_layer. | 219 | #define _COMPONENT ACPI_PCI_COMPONENT |
207 | CONFIG_ACPI_DEBUG must be enabled for this to produce any output. | 220 | Bits in debug_level correspond to a level in |
208 | Available bits (add the numbers together) to enable debug output | 221 | ACPI_DEBUG_PRINT statements, e.g., |
209 | for specific parts of the ACPI subsystem: | 222 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, ... |
210 | 0x01 utilities 0x02 hardware 0x04 events 0x08 tables | 223 | See Documentation/acpi/debug.txt for more information |
211 | 0x10 namespace 0x20 parser 0x40 dispatcher | 224 | about debug layers and levels. |
212 | 0x80 executer 0x100 resources 0x200 acpica debugger | 225 | |
213 | 0x400 os services 0x800 acpica disassembler. | 226 | Enable AML "Debug" output, i.e., stores to the Debug |
214 | The number can be in decimal or prefixed with 0x in hex. | 227 | object while interpreting AML: |
215 | Warning: Many of these options can produce a lot of | 228 | acpi.debug_layer=0xffffffff acpi.debug_level=0x2 |
216 | output and make your system unusable. Be very careful. | 229 | Enable PCI/PCI interrupt routing info messages: |
217 | 230 | acpi.debug_layer=0x400000 acpi.debug_level=0x4 | |
218 | acpi.debug_level= [HW,ACPI] | 231 | Enable all messages related to ACPI hardware: |
219 | Format: <int> | 232 | acpi.debug_layer=0x2 acpi.debug_level=0xffffffff |
220 | Each bit of the <int> indicates an ACPI debug level, | 233 | |
221 | which corresponds to the level in an ACPI_DEBUG_PRINT | 234 | Some values produce so much output that the system is |
222 | statement. After system has booted up, this mask | 235 | unusable. The "log_buf_len" parameter may be useful |
223 | can be set via /sys/module/acpi/parameters/debug_level. | 236 | if you need to capture more output. |
224 | |||
225 | CONFIG_ACPI_DEBUG must be enabled for this to produce | ||
226 | any output. The number can be in decimal or prefixed | ||
227 | with 0x in hex. Some of these options produce so much | ||
228 | output that the system is unusable. | ||
229 | |||
230 | The following global components are defined by the | ||
231 | ACPI CA: | ||
232 | 0x01 error | ||
233 | 0x02 warn | ||
234 | 0x04 init | ||
235 | 0x08 debug object | ||
236 | 0x10 info | ||
237 | 0x20 init names | ||
238 | 0x40 parse | ||
239 | 0x80 load | ||
240 | 0x100 dispatch | ||
241 | 0x200 execute | ||
242 | 0x400 names | ||
243 | 0x800 operation region | ||
244 | 0x1000 bfield | ||
245 | 0x2000 tables | ||
246 | 0x4000 values | ||
247 | 0x8000 objects | ||
248 | 0x10000 resources | ||
249 | 0x20000 user requests | ||
250 | 0x40000 package | ||
251 | The number can be in decimal or prefixed with 0x in hex. | ||
252 | Warning: Many of these options can produce a lot of | ||
253 | output and make your system unusable. Be very careful. | ||
254 | 237 | ||
255 | acpi.power_nocheck= [HW,ACPI] | 238 | acpi.power_nocheck= [HW,ACPI] |
256 | Format: 1/0 enable/disable the check of power state. | 239 | Format: 1/0 enable/disable the check of power state. |
@@ -995,13 +978,15 @@ and is between 256 and 4096 characters. It is defined in the file | |||
995 | Format: | 978 | Format: |
996 | <cpu number>,...,<cpu number> | 979 | <cpu number>,...,<cpu number> |
997 | or | 980 | or |
998 | <cpu number>-<cpu number> (must be a positive range in ascending order) | 981 | <cpu number>-<cpu number> |
982 | (must be a positive range in ascending order) | ||
999 | or a mixture | 983 | or a mixture |
1000 | <cpu number>,...,<cpu number>-<cpu number> | 984 | <cpu number>,...,<cpu number>-<cpu number> |
985 | |||
1001 | This option can be used to specify one or more CPUs | 986 | This option can be used to specify one or more CPUs |
1002 | to isolate from the general SMP balancing and scheduling | 987 | to isolate from the general SMP balancing and scheduling |
1003 | algorithms. The only way to move a process onto or off | 988 | algorithms. You can move a process onto or off an |
1004 | an "isolated" CPU is via the CPU affinity syscalls. | 989 | "isolated" CPU via the CPU affinity syscalls or cpuset. |
1005 | <cpu number> begins at 0 and the maximum value is | 990 | <cpu number> begins at 0 and the maximum value is |
1006 | "number of CPUs in system - 1". | 991 | "number of CPUs in system - 1". |
1007 | 992 | ||
@@ -1474,8 +1459,6 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1474 | Valid arguments: on, off | 1459 | Valid arguments: on, off |
1475 | Default: on | 1460 | Default: on |
1476 | 1461 | ||
1477 | noirqbalance [X86-32,SMP,KNL] Disable kernel irq balancing | ||
1478 | |||
1479 | noirqdebug [X86-32] Disables the code which attempts to detect and | 1462 | noirqdebug [X86-32] Disables the code which attempts to detect and |
1480 | disable unhandled interrupt sources. | 1463 | disable unhandled interrupt sources. |
1481 | 1464 | ||