[PATCH] use fget_light() in select/poll

[pandora-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 7520539..f8cb55c 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -49,6 +49,7 @@ restrictions referred to are that the relevant option is valid if:
        MCA     MCA bus support is enabled.
        MDA     MDA console support is enabled.
        MOUSE   Appropriate mouse support is enabled.
+       MSI     Message Signaled Interrupts (PCI).
        MTD     MTD support is enabled.
        NET     Appropriate network support is enabled.
        NUMA    NUMA support is enabled.
@@ -335,6 +336,12 @@ running once the system is up.
                        timesource is not avalible, it defaults to PIT.
                        Format: { pit | tsc | cyclone | pmtmr }
 
+       disable_8254_timer
+       enable_8254_timer
+                       [IA32/X86_64] Disable/Enable interrupt 0 timer routing
+                       over the 8254 in addition to over the IO-APIC. The
+                       kernel tries to set a sensible default.
+
        hpet=           [IA-32,HPET] option to disable HPET and use PIT.
                        Format: disable
 
@@ -360,12 +367,17 @@ running once the system is up.
                tty<n>  Use the virtual console device <n>.
 
                ttyS<n>[,options]
+               ttyUSB0[,options]
                        Use the specified serial port.  The options are of
-                       the form "bbbbpn", where "bbbb" is the baud rate,
-                       "p" is parity ("n", "o", or "e"), and "n" is bits.
-                       Default is "9600n8".
+                       the form "bbbbpnf", where "bbbb" is the baud rate,
+                       "p" is parity ("n", "o", or "e"), "n" is number of
+                       bits, and "f" is flow control ("r" for RTS or
+                       omit it).  Default is "9600n8".
 
-                       See also Documentation/serial-console.txt.
+                       See Documentation/serial-console.txt for more
+                       information.  See
+                       Documentation/networking/netconsole.txt for an
+                       alternative.
 
                uart,io,<addr>[,options]
                uart,mmio,<addr>[,options]
@@ -1002,7 +1014,9 @@ running once the system is up.
                        noexec=on: enable non-executable mappings (default)
                        noexec=off: disable nn-executable mappings
 
-       nofxsr          [BUGS=IA-32]
+       nofxsr          [BUGS=IA-32] Disables x86 floating point extended
+                       register save and restore. The kernel will only save
+                       legacy floating-point registers on task switch.
 
        nohlt           [BUGS=ARM]
 
@@ -1047,6 +1061,8 @@ running once the system is up.
 
        nosbagart       [IA-64]
 
+       nosep           [BUGS=IA-32] Disables x86 SYSENTER/SYSEXIT support.
+
        nosmp           [SMP] Tells an SMP kernel to act as a UP kernel.
 
        nosync          [HW,M68K] Disables sync negotiation for all devices.
@@ -1116,6 +1132,11 @@ running once the system is up.
        pas16=          [HW,SCSI]
                        See header of drivers/scsi/pas16.c.
 
+       pause_on_oops=
+                       Halt all CPUs after the first oops has been printed for
+                       the specified number of seconds.  This is to be used if
+                       your oopses keep scrolling off the screen.
+
        pcbit=          [HW,ISDN]
 
        pcd.            [PARIDE]
@@ -1137,6 +1158,9 @@ running once the system is up.
                                Mechanism 2.
                nommconf        [IA-32,X86_64] Disable use of MMCONFIG for PCI
                                Configuration
+               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.
                nosort          [IA-32] Don't sort PCI devices according to
                                order given by the PCI BIOS. This sorting is
                                done to get a device order compatible with
@@ -1284,6 +1308,19 @@ running once the system is up.
                        New name for the ramdisk parameter.
                        See Documentation/ramdisk.txt.
 
+       rcu.blimit=     [KNL,BOOT] Set maximum number of finished
+                       RCU callbacks to process in one batch.
+
+       rcu.qhimark=    [KNL,BOOT] Set threshold of queued
+                       RCU callbacks over which batch limiting is disabled.
+
+       rcu.qlowmark=   [KNL,BOOT] Set threshold of queued
+                       RCU callbacks below which batch limiting is re-enabled.
+
+       rcu.rsinterval= [KNL,BOOT,SMP] Set the number of additional
+                       RCU callbacks to queued before forcing reschedule
+                       on all cpus.
+
        rdinit=         [KNL]
                        Format: <full_path>
                        Run specified binary instead of /init from the ramdisk,