X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=abd575cfc759acbf085644ebe9b7dc04dd8ce81d;hb=a79abdc6eeca745b2af04fc03f9a04da0d294094;hp=b79bcdf163199fe147311cb94e3711a0cb24512d;hpb=0a01707b289853f56d1c000057b27e243c039722;p=powerpc.git

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b79bcdf163..abd575cfc7 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -104,6 +104,9 @@ loader, and have no meaning to the kernel directly.
 Do not modify the syntax of boot loader parameters without extreme
 need or coordination with <Documentation/i386/boot.txt>.
 
+There are also arch-specific kernel-parameters not documented here.
+See for example <Documentation/x86_64/boot-options.txt>.
+
 Note that ALL kernel parameters listed below are CASE SENSITIVE, and that
 a trailing = on the name of any parameter states that that parameter will
 be entered as an environment variable, whereas its absence indicates that
@@ -361,6 +364,11 @@ and is between 256 and 4096 characters. It is defined in the file
 			clocksource is not available, it defaults to PIT.
 			Format: { pit | tsc | cyclone | pmtmr }
 
+	code_bytes	[IA32] How many bytes of object code to print in an
+			oops report.
+			Range: 0 - 8192
+			Default: 64
+
 	disable_8254_timer
 	enable_8254_timer
 			[IA32/X86_64] Disable/Enable interrupt 0 timer routing
@@ -548,6 +556,13 @@ and is between 256 and 4096 characters. It is defined in the file
 	eurwdt=		[HW,WDT] Eurotech CPU-1220/1410 onboard watchdog.
 			Format: <io>[,<irq>]
 
+	failslab=
+	fail_page_alloc=
+	fail_make_request=[KNL]
+			General fault injection mechanism.
+			Format: <interval>,<probability>,<space>,<times>
+			See also /Documentation/fault-injection/.
+
 	fd_mcs=		[HW,SCSI]
 			See header of drivers/scsi/fd_mcs.c.
 
@@ -594,6 +609,10 @@ and is between 256 and 4096 characters. It is defined in the file
 			highmem otherwise. This also works to reduce highmem
 			size on bigger boxes.
 
+	highres=	[KNL] Enable/disable high resolution timer mode.
+			Valid parameters: "on", "off"
+			Default: "on"
+
 	hisax=		[HW,ISDN]
 			See Documentation/isdn/README.HiSax.
 
@@ -1063,6 +1082,10 @@ and is between 256 and 4096 characters. It is defined in the file
 			in certain environments such as networked servers or
 			real-time systems.
 
+	nohz=		[KNL] Boottime enable/disable dynamic ticks
+			Valid arguments: on, off
+			Default: on
+
 	noirqbalance	[IA-32,SMP,KNL] Disable kernel irq balancing
 
 	noirqdebug	[IA-32] Disables the code which attempts to detect and
@@ -1389,6 +1412,8 @@ and is between 256 and 4096 characters. It is defined in the file
 			in <PAGE_SIZE> units (needed only for swap files).
 			See  Documentation/power/swsusp-and-swap-files.txt
 
+	retain_initrd	[RAM] Keep initrd memory after extraction
+
 	rhash_entries=	[KNL,NET]
 			Set number of hash buckets for route cache
 
@@ -1649,6 +1674,12 @@ and is between 256 and 4096 characters. It is defined in the file
 	sym53c416=	[HW,SCSI]
 			See header of drivers/scsi/sym53c416.c.
 
+	sysrq_always_enabled
+			[KNL]
+			Ignore sysrq setting - this boot parameter will
+			neutralize any effect of /proc/sys/kernel/sysrq.
+			Useful for debugging.
+
 	t128=		[HW,SCSI]
 			See header of drivers/scsi/t128.c.
 
@@ -1701,6 +1732,14 @@ and is between 256 and 4096 characters. It is defined in the file
 	uart6850=	[HW,OSS]
 			Format: <io>,<irq>
 
+	uhci-hcd.ignore_oc=
+			[USB] Ignore overcurrent events (default N).
+			Some badly-designed motherboards generate lots of
+			bogus events, for ports that aren't wired to
+			anything.  Set this parameter to avoid log spamming.
+			Note that genuine overcurrent events won't be
+			reported either.
+
 	usbhid.mousepoll=
 			[USBHID] The interval which mice are to be polled at.