X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=4d175c7512464671e14731239d5bf943b72c5614;hb=bda0233b89c10ae46ccecb78bffdaf0fd7833d17;hp=a326487a3ab52108bc72e74e8b1bd52d14ed9ae8;hpb=73819b2d26aeb7719bb501c0136687b89d5ac3ef;p=linux-2.6

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index a326487a3a..4d175c7512 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -163,6 +163,8 @@ and is between 256 and 4096 characters. It is defined in the file
 	acpi_irq_isa=	[HW,ACPI] If irq_balance, mark listed IRQs used by ISA
 			Format: <irq>,<irq>...
 
+	acpi_no_auto_ssdt	[HW,ACPI] Disable automatic loading of SSDT
+
 	acpi_os_name=	[HW,ACPI] Tell ACPI BIOS the name of the OS
 			Format: To spoof as Windows 98: ="Microsoft Windows"
 
@@ -466,9 +468,6 @@ and is between 256 and 4096 characters. It is defined in the file
 			Format:
 			<first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>]
 
-	cpia_pp=	[HW,PPT]
-			Format: { parport<nr> | auto | none }
-
 	crashkernel=nn[KMG]@ss[KMG]
 			[KNL] Reserve a chunk of physical memory to
 			hold a kernel to switch to with kexec on panic.
@@ -950,14 +949,10 @@ and is between 256 and 4096 characters. It is defined in the file
 			Format: <1-256>
 
 	maxcpus=	[SMP] Maximum number of processors that	an SMP kernel
-			should make use of.
-			Using "nosmp" or "maxcpus=0" will disable SMP
-			entirely (the MPS table probe still happens, though).
-			A command-line option of "maxcpus=<NUM>", where <NUM>
-			is an integer greater than 0, limits the maximum number
-			of CPUs activated in SMP mode to <NUM>.
-			Using "maxcpus=1" on an SMP kernel is the trivial
-			case of an SMP kernel with only one CPU.
+			should make use of.  maxcpus=n : n >= 0 limits the
+			kernel to using 'n' processors.  n=0 is a special case,
+			it is equivalent to "nosmp", which also disables
+			the IO APIC.
 
 	max_addr=[KMG]	[KNL,BOOT,ia64] All physical memory greater than or
 			equal to this physical address is ignored.
@@ -1182,7 +1177,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	nosep		[BUGS=X86-32] Disables x86 SYSENTER/SYSEXIT support.
 
-	nosmp		[SMP] Tells an SMP kernel to act as a UP kernel.
+	nosmp		[SMP] Tells an SMP kernel to act as a UP kernel,
+			and disable the IO APIC.  legacy for "maxcpus=0".
 
 	nosoftlockup	[KNL] Disable the soft-lockup detector.
 
@@ -1820,6 +1816,30 @@ and is between 256 and 4096 characters. It is defined in the file
 	thash_entries=	[KNL,NET]
 			Set number of hash buckets for TCP connection
 
+	thermal.act=	[HW,ACPI]
+			-1: disable all active trip points in all thermal zones
+			<degrees C>: override all lowest active trip points
+
+	thermal.crt=	[HW,ACPI]
+			-1: disable all critical trip points in all thermal zones
+			<degrees C>: lower all critical trip points
+
+	thermal.nocrt=	[HW,ACPI]
+			Set to disable actions on ACPI thermal zone
+			critical and hot trip points.
+
+	thermal.off=	[HW,ACPI]
+			1: disable ACPI thermal control
+
+	thermal.psv=	[HW,ACPI]
+			-1: disable all passive trip points
+			<degrees C>: override all passive trip points to this value
+
+	thermal.tzp=	[HW,ACPI]
+			Specify global default ACPI thermal zone polling rate
+			<deci-seconds>: poll all this frequency
+			0: no polling (default)
+
 	time		Show timing data prefixed to each printk message line
 			[deprecated, see 'printk.time']