Merge branches 'x86/apic', 'x86/cpu', 'x86/fixmap', 'x86/mm', 'x86/sched', 'x86/setup...

[linux-2.6-omap-h63xx.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index d8362cf9909ec3c42d6e1dfd5188e4bb5ab0d475..28de395fa096a4077b1b521ca23cab9f05b66502 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -114,7 +114,7 @@ In addition, the following text indicates that the option:
 Parameters denoted with BOOT are actually interpreted by the boot
 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/x86/i386/boot.txt>.
+need or coordination with <Documentation/x86/boot.txt>.
 
 There are also arch-specific kernel-parameters not documented here.
 See for example <Documentation/x86/x86_64/boot-options.txt>.
@@ -134,7 +134,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
        acpi=           [HW,ACPI,X86-64,i386]
                        Advanced Configuration and Power Interface
-                       Format: { force | off | ht | strict | noirq }
+                       Format: { force | off | ht | strict | noirq | rsdt }
                        force -- enable ACPI if default was off
                        off -- disable ACPI if default was on
                        noirq -- do not use ACPI for IRQ routing
@@ -868,8 +868,10 @@ and is between 256 and 4096 characters. It is defined in the file
        icn=            [HW,ISDN]
                        Format: <io>[,<membase>[,<icn_id>[,<icn_id2>]]]
 
-       ide=            [HW] (E)IDE subsystem
-                       Format: ide=nodma or ide=doubler
+       ide-core.nodma= [HW] (E)IDE subsystem
+                       Format: =0.0 to prevent dma on hda, =0.1 hdb =1.0 hdc
+                       .vlb_clock .pci_clock .noflush .noprobe .nowerr .cdrom
+                       .chs .ignore_cable are additional options
                        See Documentation/ide/ide.txt.
 
        idebus=         [HW] (E)IDE subsystem - VLB/PCI bus speed
@@ -937,6 +939,8 @@ and is between 256 and 4096 characters. It is defined in the file
 
 
        intel_iommu=    [DMAR] Intel IOMMU driver (DMAR) option
+               on
+                       Enable intel iommu driver.
                off
                        Disable intel iommu driver.
                igfx_off [Default Off]
@@ -1306,8 +1310,13 @@ and is between 256 and 4096 characters. It is defined in the file
 
        memtest=        [KNL,X86] Enable memtest
                        Format: <integer>
-                       range: 0,4 : pattern number
                        default : 0 <disable>
+                       Specifies the number of memtest passes to be
+                       performed. Each pass selects another test
+                       pattern from a given set of patterns. Memtest
+                       fills the memory with this pattern, validates
+                       memory contents and reserves bad memory
+                       regions that are detected.
 
        meye.*=         [HW] Set MotionEye Camera parameters
                        See Documentation/video4linux/meye.txt.
@@ -2447,7 +2456,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        See Documentation/fb/modedb.txt.
 
        vga=            [BOOT,X86-32] Select a particular video mode
-                       See Documentation/x86/i386/boot.txt and
+                       See Documentation/x86/boot.txt and
                        Documentation/svga.txt.
                        Use vga=ask for menu.
                        This is actually a boot loader parameter; the value is