X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=Documentation%2Fkernel-parameters.txt;h=33121d6c827c6e5fcc85d72b1f5ee5f166b743a2;hb=6b41016032accca5a0ca8bbd35ec5fd7f7bc3aeb;hp=8157417724a86d3d765abc309eb7dcec4771e4e7;hpb=ba39592764ed20cee09aae5352e603a27bf56b0d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 8157417..33121d6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -422,7 +422,8 @@ and is between 256 and 4096 characters. It is defined in the file
 	hpet=		[X86-32,HPET] option to control HPET usage
 			Format: { enable (default) | disable | force }
 			disable: disable HPET and use PIT instead
-			force: allow force enabled of undocumented chips (ICH4, VIA)
+			force: allow force enabled of undocumented chips (ICH4,
+			VIA, nVidia)
 
 	com20020=	[HW,NET] ARCnet - COM20020 chipset
 			Format:
@@ -585,11 +586,6 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	eata=		[HW,SCSI]
 
-	ec_intr=	[HW,ACPI] ACPI Embedded Controller interrupt mode
-			Format: <int>
-			0: polling mode
-			non-0: interrupt mode (default)
-
 	edd=		[EDD]
 			Format: {"of[f]" | "sk[ipmbr]"}
 			See comment in arch/i386/boot/edd.S
@@ -781,6 +777,13 @@ and is between 256 and 4096 characters. It is defined in the file
 			bypassed by not enabling DMAR with this option. In
 			this case, gfx device will use physical address for
 			DMA.
+		forcedac [x86_64]
+			With this option iommu will not optimize to look
+			for io virtual address below 32 bit forcing dual
+			address cycle on pci bus for cards supporting greater
+			than 32 bit addressing. The default is to look
+			for translation below 32 bit and if not available
+			then look in the higher range.
 
 	io7=		[HW] IO7 for Marvel based alpha systems
 			See comment before marvel_specify_io7 in
@@ -1436,7 +1439,8 @@ and is between 256 and 4096 characters. It is defined in the file
 			Param: "schedule" - profile schedule points.
 			Param: <number> - step/bucket size as a power of 2 for
 				statistical time based profiling.
-			Param: "sleep" - profile D-state sleeping (millisecs)
+			Param: "sleep" - profile D-state sleeping (millisecs).
+				Requires CONFIG_SCHEDSTATS
 			Param: "kvm" - profile VM exits.
 
 	processor.max_cstate=	[HW,ACPI]