Merge branch 'core/softlockup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b8451f7714601ba9a8cd992ca2c632a2050b4d1c..47e7d8794fc6fbad46c37edbc1d9a5bc4f6c3e82 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -147,10 +147,14 @@ and is between 256 and 4096 characters. It is defined in the file
                        default: 0
 
        acpi_sleep=     [HW,ACPI] Sleep options
-                       Format: { s3_bios, s3_mode, s3_beep }
+                       Format: { s3_bios, s3_mode, s3_beep, old_ordering }
                        See Documentation/power/video.txt for s3_bios and s3_mode.
                        s3_beep is for debugging; it makes the PC's speaker beep
                        as soon as the kernel's real-mode entry point is called.
+                       old_ordering causes the ACPI 1.0 ordering of the _PTS
+                       control method, wrt putting devices into low power
+                       states, to be enforced (the ACPI 2.0 ordering of _PTS is
+                       used by default).
 
        acpi_sci=       [HW,ACPI] ACPI System Control Interrupt trigger mode
                        Format: { level | edge | high | low }
@@ -818,7 +822,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        See Documentation/ide/ide.txt.
 
        idle=           [X86]
-                       Format: idle=poll or idle=mwait
+                       Format: idle=poll or idle=mwait, idle=halt, idle=nomwait
                        Poll forces a polling idle loop that can slightly improves the performance
                        of waking up a idle CPU, but will use a lot of power and make the system
                        run hot. Not recommended.
@@ -826,6 +830,9 @@ and is between 256 and 4096 characters. It is defined in the file
                        to not use it because it doesn't save as much power as a normal idle
                        loop use the MONITOR/MWAIT idle loop anyways. Performance should be the same
                        as idle=poll.
+                       idle=halt. Halt is forced to be used for CPU idle.
+                       In such case C2/C3 won't be used again.
+                       idle=nomwait. Disable mwait for CPU C-states
 
        ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
                        Claim all unknown PCI IDE storage controllers.
@@ -1199,7 +1206,7 @@ and is between 256 and 4096 characters. It is defined in the file
                                 or
                                 memmap=0x10000$0x18690000
 
-       memtest=        [KNL,X86_64] Enable memtest
+       memtest=        [KNL,X86] Enable memtest
                        Format: <integer>
                        range: 0,4 : pattern number
                        default : 0 <disable>
@@ -1272,6 +1279,13 @@ and is between 256 and 4096 characters. It is defined in the file
                        This usage is only documented in each driver source
                        file if at all.
 
+       nf_conntrack.acct=
+                       [NETFILTER] Enable connection tracking flow accounting
+                       0 to disable accounting
+                       1 to enable accounting
+                       Default value depends on CONFIG_NF_CT_ACCT that is
+                       going to be removed in 2.6.29.
+
        nfsaddrs=       [NFS]
                        See Documentation/filesystems/nfsroot.txt.
 
@@ -1534,6 +1548,9 @@ and is between 256 and 4096 characters. It is defined in the file
                                Use with caution as certain devices share
                                address decoders between ROMs and other
                                resources.
+               norom           [X86-32,X86_64] Do not assign address space to
+                               expansion ROMs that do not already have
+                               BIOS assigned address ranges.
                irqmask=0xMMMM  [X86-32] Set a bit mask of IRQs allowed to be
                                assigned automatically to PCI devices. You can
                                make the kernel exclude IRQs of your ISA cards
@@ -2151,6 +2168,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        Note that genuine overcurrent events won't be
                        reported either.
 
+       unknown_nmi_panic
+                       [X86-32,X86-64]
+                       Set unknown_nmi_panic=1 early on boot.
+
        usbcore.autosuspend=
                        [USB] The autosuspend time delay (in seconds) used
                        for newly-detected USB devices (default 2).  This