X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=Documentation%2Fadmin-guide%2Fkernel-parameters.txt;h=858b6c0b9a15ae71853645013c718dc0398804d4;hb=df3865f8f56879b7e9f0ca47fa7bc5f2252df6d3;hp=60536779ed24ce10e40ae125b439e359b2ab1285;hpb=2573be22e5b6f24a0cabc97715c808c47e29eaaf;p=uclinux-h8%2Flinux.git

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 60536779ed24..858b6c0b9a15 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -331,7 +331,7 @@
 			APC and your system crashes randomly.
 
 	apic=		[APIC,X86] Advanced Programmable Interrupt Controller
-			Change the output verbosity whilst booting
+			Change the output verbosity while booting
 			Format: { quiet (default) | verbose | debug }
 			Change the amount of debugging information output
 			when initialising the APIC and IO-APIC components.
@@ -486,10 +486,14 @@
 			cut the overhead, others just disable the usage. So
 			only cgroup_disable=memory is actually worthy}
 
-	cgroup_no_v1=	[KNL] Disable one, multiple, all cgroup controllers in v1
-			Format: { controller[,controller...] | "all" }
+	cgroup_no_v1=	[KNL] Disable cgroup controllers and named hierarchies in v1
+			Format: { { controller | "all" | "named" }
+			          [,{ controller | "all" | "named" }...] }
 			Like cgroup_disable, but only applies to cgroup v1;
 			the blacklisted controllers remain available in cgroup2.
+			"all" blacklists all controllers and "named" disables
+			named mounts. Specifying both "all" and "named" disables
+			all v1 hierarchies.
 
 	cgroup.memory=	[KNL] Pass options to the cgroup memory controller.
 			Format: <string>
@@ -1024,6 +1028,12 @@
 			specified address. The serial port must already be
 			setup and configured. Options are not yet supported.
 
+		rda,<addr>
+			Start an early, polled-mode console on a serial port
+			of an RDA Micro SoC, such as RDA8810PL, at the
+			specified address. The serial port must already be
+			setup and configured. Options are not yet supported.
+
 		smh	Use ARM semihosting calls for early console.
 
 		s3c2410,<addr>
@@ -1686,12 +1696,11 @@
 			By default, super page will be supported if Intel IOMMU
 			has the capability. With this option, super page will
 			not be supported.
-		ecs_off [Default Off]
-			By default, extended context tables will be supported if
-			the hardware advertises that it has support both for the
-			extended tables themselves, and also PASID support. With
-			this option set, extended tables will not be used even
-			on hardware which claims to support them.
+		sm_on [Default Off]
+			By default, scalable mode will be disabled even if the
+			hardware advertises that it has support for the scalable
+			mode translation. With this option set, scalable mode
+			will be used on hardware which claims to support it.
 		tboot_noforce [Default Off]
 			Do not force the Intel IOMMU enabled under tboot.
 			By default, tboot will force Intel IOMMU on, which
@@ -2833,7 +2842,7 @@
 			check bypass). With this option data leaks are possible
 			in the system.
 
-	nospectre_v2	[X86] Disable all mitigations for the Spectre variant 2
+	nospectre_v2	[X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
 			(indirect branch prediction) vulnerability. System may
 			allow data leaks with this option, which is equivalent
 			to spectre_v2=off.
@@ -3088,6 +3097,14 @@
 			timeout < 0: reboot immediately
 			Format: <timeout>
 
+	panic_print=	Bitmask for printing system info when panic happens.
+			User can chose combination of the following bits:
+			bit 0: print all tasks info
+			bit 1: print system memory info
+			bit 2: print timer info
+			bit 3: print locks info if CONFIG_LOCKDEP is on
+			bit 4: print ftrace buffer
+
 	panic_on_warn	panic() instead of WARN().  Useful to cause kdump
 			on a WARN().