Merge commit 'v2.6.28-rc2' into x86/pci-ioapic-boot-irq-quirks

[profile/ivi/kernel-x86-ivi.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 53ba7c7..63bac58 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -218,20 +218,47 @@ and is between 256 and 4096 characters. It is defined in the file
        acpi.debug_level=       [HW,ACPI]
                        Format: <int>
                        Each bit of the <int> indicates an ACPI debug level,
-                       1: enable, 0: disable. It is useful for boot time
-                       debugging. After system has booted up, it can be set
-                       via /sys/module/acpi/parameters/debug_level.
-                       CONFIG_ACPI_DEBUG must be enabled for this to produce any output.
-                       Available bits (add the numbers together) to enable different
-                       debug output levels of the ACPI subsystem:
-                       0x01 error 0x02 warn 0x04 init 0x08 debug object
-                       0x10 info 0x20 init names 0x40 parse 0x80 load
-                       0x100 dispatch 0x200 execute 0x400 names 0x800 operation region
-                       0x1000 bfield 0x2000 tables 0x4000 values 0x8000 objects
-                       0x10000 resources 0x20000 user requests 0x40000 package.
-                       The number can be in decimal or prefixed with 0x in hex.
-                       Warning: Many of these options can produce a lot of
-                       output and make your system unusable. Be very careful.
+                       which corresponds to the level in an ACPI_DEBUG_PRINT
+                       statement.  After system has booted up, this mask
+                       can be set via /sys/module/acpi/parameters/debug_level.
+
+                       CONFIG_ACPI_DEBUG must be enabled for this to produce
+                       any output.  The number can be in decimal or prefixed
+                       with 0x in hex.  Some of these options produce so much
+                       output that the system is unusable.
+
+                       The following global components are defined by the
+                       ACPI CA:
+                              0x01 error
+                              0x02 warn
+                              0x04 init
+                              0x08 debug object
+                              0x10 info
+                              0x20 init names
+                              0x40 parse
+                              0x80 load
+                             0x100 dispatch
+                             0x200 execute
+                             0x400 names
+                             0x800 operation region
+                            0x1000 bfield
+                            0x2000 tables
+                            0x4000 values
+                            0x8000 objects
+                           0x10000 resources
+                           0x20000 user requests
+                           0x40000 package
+                       The number can be in decimal or prefixed with 0x in hex.
+                       Warning: Many of these options can produce a lot of
+                       output and make your system unusable. Be very careful.
+
+       acpi.power_nocheck=     [HW,ACPI]
+                       Format: 1/0 enable/disable the check of power state.
+                       On some bogus BIOS the _PSC object/_STA object of
+                       power resource can't return the correct device power
+                       state. In such case it is unneccessary to check its
+                       power state again in power transition.
+                       1 : disable the power state check
 
        acpi_pm_good    [X86-32,X86-64]
                        Override the pmtimer bug detection: force the kernel
@@ -1611,6 +1638,17 @@ and is between 256 and 4096 characters. It is defined in the file
                nomsi           [MSI] If the PCI_MSI kernel config parameter is
                                enabled, this kernel boot option can be used to
                                disable the use of MSI interrupts system-wide.
+               noioapicquirk   [APIC] Disable all boot interrupt quirks.
+                               Safety option to keep boot IRQs enabled. This
+                               should never be necessary.
+               ioapicreroute   [APIC] Enable rerouting of boot IRQs to the
+                               primary IO-APIC for bridges that cannot disable
+                               boot IRQs. This fixes a source of spurious IRQs
+                               when the system masks IRQs.
+               noioapicreroute [APIC] Disable workaround that uses the
+                               boot IRQ equivalent of an IRQ that connects to
+                               a chipset where boot IRQs cannot be disabled.
+                               The opposite of ioapicreroute.
                biosirq         [X86-32] Use PCI BIOS calls to get the interrupt
                                routing table. These calls are known to be buggy
                                on several machines and they hang the machine
@@ -1711,6 +1749,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        Override pmtimer IOPort with a hex value.
                        e.g. pmtmr=0x508
 
+       pnp.debug       [PNP]
+                       Enable PNP debug messages.  This depends on the
+                       CONFIG_PNP_DEBUG_MESSAGES option.
+
        pnpacpi=        [ACPI]
                        { off }
 
@@ -2208,7 +2250,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
        thermal.crt=    [HW,ACPI]
                        -1: disable all critical trip points in all thermal zones
-                       <degrees C>: lower all critical trip points
+                       <degrees C>: override all critical trip points
 
        thermal.nocrt=  [HW,ACPI]
                        Set to disable actions on ACPI thermal zone