sysfs: In sysfs_chmod_file lazily propagate the mode change.

[safe/jmp/linux-2.6] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index c363840..777dc8a 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -85,7 +85,6 @@ parameter is applicable:
        PPT     Parallel port support is enabled.
        PS2     Appropriate PS/2 support is enabled.
        RAM     RAM disk support is enabled.
-       ROOTPLUG The example Root Plug LSM is enabled.
        S390    S390 architecture is enabled.
        SCSI    Appropriate SCSI support is enabled.
                        A lot of drivers has their options described inside of
@@ -345,6 +344,15 @@ and is between 256 and 4096 characters. It is defined in the file
                        Change the amount of debugging information output
                        when initialising the APIC and IO-APIC components.
 
+       show_lapic=     [APIC,X86] Advanced Programmable Interrupt Controller
+                       Limit apic dumping. The parameter defines the maximal
+                       number of local apics being dumped. Also it is possible
+                       to set it to "all" by meaning -- no limit here.
+                       Format: { 1 (default) | 2 | ... | all }.
+                       The parameter valid if only apic=debug or
+                       apic=verbose is specified.
+                       Example: apic=debug show_lapic=all
+
        apm=            [APM] Advanced Power Management
                        See header of arch/x86/kernel/apm_32.c.
 
@@ -671,7 +679,8 @@ and is between 256 and 4096 characters. It is defined in the file
        earlyprintk=    [X86,SH,BLACKFIN]
                        earlyprintk=vga
                        earlyprintk=serial[,ttySn[,baudrate]]
-                       earlyprintk=dbgp
+                       earlyprintk=ttySn[,baudrate]
+                       earlyprintk=dbgp[debugController#]
 
                        Append ",keep" to not disable it when the real console
                        takes over.
@@ -778,6 +787,13 @@ and is between 256 and 4096 characters. It is defined in the file
                        by the set_ftrace_notrace file in the debugfs
                        tracing directory.
 
+       ftrace_graph_filter=[function-list]
+                       [FTRACE] Limit the top level callers functions traced
+                       by the function graph tracer at boot up.
+                       function-list is a comma separated list of functions
+                       that can be changed at run time by the
+                       set_graph_function file in the debugfs tracing directory.
+
        gamecon.map[2|3]=
                        [HW,JOY] Multisystem joystick and NES/SNES/PSX pad
                        support via parallel port (up to 5 devices per port)
@@ -2031,8 +2047,15 @@ and is between 256 and 4096 characters. It is defined in the file
 
        print-fatal-signals=
                        [KNL] debug: print fatal signals
-                       print-fatal-signals=1: print segfault info to
-                       the kernel console.
+
+                       If enabled, warn about various signal handling
+                       related application anomalies: too many signals,
+                       too many POSIX.1 timers, fatal signals causing a
+                       coredump - etc.
+
+                       If you hit the warning due to signal overflow,
+                       you might want to try "ulimit -i unlimited".
+
                        default: off.
 
        printk.time=    Show timing data prefixed to each printk message line
@@ -2163,15 +2186,6 @@ and is between 256 and 4096 characters. It is defined in the file
                        Useful for devices that are detected asynchronously
                        (e.g. USB and MMC devices).
 
-       root_plug.vendor_id=
-                       [ROOTPLUG] Override the default vendor ID
-
-       root_plug.product_id=
-                       [ROOTPLUG] Override the default product ID
-
-       root_plug.debug=
-                       [ROOTPLUG] Enable debugging output
-
        rw              [KNL] Mount root device read-write on boot
 
        S               [KNL] Run init in single mode
@@ -2181,6 +2195,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
        sbni=           [NET] Granch SBNI12 leased line adapter
 
+       sched_debug     [KNL] Enables verbose scheduler debug messages.
+
        sc1200wdt=      [HW,WDT] SC1200 WDT (watchdog) driver
                        Format: <io>[,<timeout>[,<isapnp>]]
 
@@ -2589,6 +2605,9 @@ and is between 256 and 4096 characters. It is defined in the file
        uart6850=       [HW,OSS]
                        Format: <io>,<irq>
 
+       uhash_entries=  [KNL,NET]
+                       Set number of hash buckets for UDP/UDP-Lite connections
+
        uhci-hcd.ignore_oc=
                        [USB] Ignore overcurrent events (default N).
                        Some badly-designed motherboards generate lots of
@@ -2728,6 +2747,15 @@ and is between 256 and 4096 characters. It is defined in the file
                        Default is 1, i.e. UTF-8 mode is enabled for all
                        newly opened terminals.
 
+       vt.global_cursor_default=
+                       [VT]
+                       Format=<-1|0|1>
+                       Set system-wide default for whether a cursor
+                       is shown on new VTs. Default is -1,
+                       i.e. cursors will be created by default unless
+                       overridden by individual drivers. 0 will hide
+                       cursors, 1 will display them.
+
        waveartist=     [HW,OSS]
                        Format: <io>,<irq>,<dma>,<dma2>