diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 14:55:14 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-01-09 14:55:14 -0500 |
commit | a3a798c88a14b35e5d4ca30716dbc9eb9a1ddfe2 (patch) | |
tree | 393969a0f1405237483c8c29b904690f2bb90559 /Documentation | |
parent | efcb3cf7f00c3c424db012380a8a974c2676a3c8 (diff) | |
parent | d97c0defba25a959a990f6d4759f43075540832e (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (94 commits)
ACPICA: hide private headers
ACPICA: create acpica/ directory
ACPI: fix build warning
ACPI : Use RSDT instead of XSDT by adding boot option of "acpi=rsdt"
ACPI: Avoid array address overflow when _CST MWAIT hint bits are set
fujitsu-laptop: Simplify SBLL/SBL2 backlight handling
fujitsu-laptop: Add BL power, LED control and radio state information
ACPICA: delete utcache.c
ACPICA: delete acdisasm.h
ACPICA: Update version to 20081204.
ACPICA: FADT: Update error msgs for consistency
ACPICA: FADT: set acpi_gbl_use_default_register_widths to TRUE by default
ACPICA: FADT parsing changes and fixes
ACPICA: Add ACPI_MUTEX_TYPE configuration option
ACPICA: Fixes for various ACPI data tables
ACPICA: Restructure includes into public/private
ACPI: remove private acpica headers from driver files
ACPI: reboot.c: use new acpi_reset interface
ACPICA: New: acpi_reset interface - write to reset register
ACPICA: Move all public H/W interfaces to new hwxface
...
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/kernel-parameters.txt | 46 |
1 files changed, 27 insertions, 19 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index fb849020aea9..fcc48bf722a8 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
@@ -141,6 +141,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
141 | ht -- run only enough ACPI to enable Hyper Threading | 141 | ht -- run only enough ACPI to enable Hyper Threading |
142 | strict -- Be less tolerant of platforms that are not | 142 | strict -- Be less tolerant of platforms that are not |
143 | strictly ACPI specification compliant. | 143 | strictly ACPI specification compliant. |
144 | rsdt -- prefer RSDT over (default) XSDT | ||
144 | 145 | ||
145 | See also Documentation/power/pm.txt, pci=noacpi | 146 | See also Documentation/power/pm.txt, pci=noacpi |
146 | 147 | ||
@@ -151,16 +152,20 @@ and is between 256 and 4096 characters. It is defined in the file | |||
151 | default: 0 | 152 | default: 0 |
152 | 153 | ||
153 | acpi_sleep= [HW,ACPI] Sleep options | 154 | acpi_sleep= [HW,ACPI] Sleep options |
154 | Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig, old_ordering } | 155 | Format: { s3_bios, s3_mode, s3_beep, s4_nohwsig, |
155 | See Documentation/power/video.txt for s3_bios and s3_mode. | 156 | old_ordering, s4_nonvs } |
157 | See Documentation/power/video.txt for information on | ||
158 | s3_bios and s3_mode. | ||
156 | s3_beep is for debugging; it makes the PC's speaker beep | 159 | s3_beep is for debugging; it makes the PC's speaker beep |
157 | as soon as the kernel's real-mode entry point is called. | 160 | as soon as the kernel's real-mode entry point is called. |
158 | s4_nohwsig prevents ACPI hardware signature from being | 161 | s4_nohwsig prevents ACPI hardware signature from being |
159 | used during resume from hibernation. | 162 | used during resume from hibernation. |
160 | old_ordering causes the ACPI 1.0 ordering of the _PTS | 163 | old_ordering causes the ACPI 1.0 ordering of the _PTS |
161 | control method, wrt putting devices into low power | 164 | control method, with respect to putting devices into |
162 | states, to be enforced (the ACPI 2.0 ordering of _PTS is | 165 | low power states, to be enforced (the ACPI 2.0 ordering |
163 | used by default). | 166 | of _PTS is used by default). |
167 | s4_nonvs prevents the kernel from saving/restoring the | ||
168 | ACPI NVS memory during hibernation. | ||
164 | 169 | ||
165 | acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode | 170 | acpi_sci= [HW,ACPI] ACPI System Control Interrupt trigger mode |
166 | Format: { level | edge | high | low } | 171 | Format: { level | edge | high | low } |
@@ -195,7 +200,7 @@ and is between 256 and 4096 characters. It is defined in the file | |||
195 | acpi_skip_timer_override [HW,ACPI] | 200 | acpi_skip_timer_override [HW,ACPI] |
196 | Recognize and ignore IRQ0/pin2 Interrupt Override. | 201 | Recognize and ignore IRQ0/pin2 Interrupt Override. |
197 | For broken nForce2 BIOS resulting in XT-PIC timer. | 202 | For broken nForce2 BIOS resulting in XT-PIC timer. |
198 | acpi_use_timer_override [HW,ACPI} | 203 | acpi_use_timer_override [HW,ACPI] |
199 | Use timer override. For some broken Nvidia NF5 boards | 204 | Use timer override. For some broken Nvidia NF5 boards |
200 | that require a timer override, but don't have | 205 | that require a timer override, but don't have |
201 | HPET | 206 | HPET |
@@ -878,17 +883,19 @@ and is between 256 and 4096 characters. It is defined in the file | |||
878 | See Documentation/ide/ide.txt. | 883 | See Documentation/ide/ide.txt. |
879 | 884 | ||
880 | idle= [X86] | 885 | idle= [X86] |
881 | Format: idle=poll or idle=mwait, idle=halt, idle=nomwait | 886 | Format: idle=poll, idle=mwait, idle=halt, idle=nomwait |
882 | Poll forces a polling idle loop that can slightly improves the performance | 887 | Poll forces a polling idle loop that can slightly |
883 | of waking up a idle CPU, but will use a lot of power and make the system | 888 | improve the performance of waking up a idle CPU, but |
884 | run hot. Not recommended. | 889 | will use a lot of power and make the system run hot. |
885 | idle=mwait. On systems which support MONITOR/MWAIT but the kernel chose | 890 | Not recommended. |
886 | to not use it because it doesn't save as much power as a normal idle | 891 | idle=mwait: On systems which support MONITOR/MWAIT but |
887 | loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same | 892 | the kernel chose to not use it because it doesn't save |
888 | as idle=poll. | 893 | as much power as a normal idle loop, use the |
889 | idle=halt. Halt is forced to be used for CPU idle. | 894 | MONITOR/MWAIT idle loop anyways. Performance should be |
895 | the same as idle=poll. | ||
896 | idle=halt: Halt is forced to be used for CPU idle. | ||
890 | In such case C2/C3 won't be used again. | 897 | In such case C2/C3 won't be used again. |
891 | idle=nomwait. Disable mwait for CPU C-states | 898 | idle=nomwait: Disable mwait for CPU C-states |
892 | 899 | ||
893 | ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem | 900 | ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem |
894 | Claim all unknown PCI IDE storage controllers. | 901 | Claim all unknown PCI IDE storage controllers. |
@@ -1074,8 +1081,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
1074 | lapic [X86-32,APIC] Enable the local APIC even if BIOS | 1081 | lapic [X86-32,APIC] Enable the local APIC even if BIOS |
1075 | disabled it. | 1082 | disabled it. |
1076 | 1083 | ||
1077 | lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer in | 1084 | lapic_timer_c2_ok [X86-32,x86-64,APIC] trust the local apic timer |
1078 | C2 power state. | 1085 | in C2 power state. |
1079 | 1086 | ||
1080 | libata.dma= [LIBATA] DMA control | 1087 | libata.dma= [LIBATA] DMA control |
1081 | libata.dma=0 Disable all PATA and SATA DMA | 1088 | libata.dma=0 Disable all PATA and SATA DMA |
@@ -2303,7 +2310,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
2303 | 2310 | ||
2304 | thermal.psv= [HW,ACPI] | 2311 | thermal.psv= [HW,ACPI] |
2305 | -1: disable all passive trip points | 2312 | -1: disable all passive trip points |
2306 | <degrees C>: override all passive trip points to this value | 2313 | <degrees C>: override all passive trip points to this |
2314 | value | ||
2307 | 2315 | ||
2308 | thermal.tzp= [HW,ACPI] | 2316 | thermal.tzp= [HW,ACPI] |
2309 | Specify global default ACPI thermal zone polling rate | 2317 | Specify global default ACPI thermal zone polling rate |