Merge branch 'x86-spinlocks-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[pandora-kernel.git] / Documentation / kernel-parameters.txt
index d317f6c..93413ce 100644 (file)
@@ -164,7 +164,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        rsdt -- prefer RSDT over (default) XSDT
                        copy_dsdt -- copy DSDT to memory
 
-                       See also Documentation/power/pm.txt, pci=noacpi
+                       See also Documentation/power/runtime_pm.txt, pci=noacpi
 
        acpi_rsdp=      [ACPI,EFI,KEXEC]
                        Pass the RSDP address to the kernel, mostly used
@@ -307,6 +307,19 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        behaviour to be specified.  Bit 0 enables warnings,
                        bit 1 enables fixups, and bit 2 sends a segfault.
 
+       align_va_addr=  [X86-64]
+                       Align virtual addresses by clearing slice [14:12] when
+                       allocating a VMA at process creation time. This option
+                       gives you up to 3% performance improvement on AMD F15h
+                       machines (where it is enabled by default) for a
+                       CPU-intensive style benchmark, and it can vary highly in
+                       a microbenchmark depending on workload and compiler.
+
+                       1: only for 32-bit processes
+                       2: only for 64-bit processes
+                       on: enable for both 32- and 64-bit processes
+                       off: disable for both 32- and 64-bit processes
+
        amd_iommu=      [HW,X86-84]
                        Pass parameters to the AMD IOMMU driver in the system.
                        Possible values are:
@@ -320,7 +333,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        amijoy.map=     [HW,JOY] Amiga joystick support
                        Map of devices attached to JOY0DAT and JOY1DAT
                        Format: <a>,<b>
-                       See also Documentation/kernel/input/joystick.txt
+                       See also Documentation/input/joystick.txt
 
        analog.map=     [HW,JOY] Analog joystick and gamepad support
                        Specifies type or capabilities of an analog joystick
@@ -409,7 +422,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        bttv.radio=     Most important insmod options are available as
                        kernel args too.
        bttv.pll=       See Documentation/video4linux/bttv/Insmod-options
-       bttv.tuner=     and Documentation/video4linux/bttv/CARDLIST
+       bttv.tuner=
 
        bulk_remove=off [PPC]  This parameter disables the use of the pSeries
                        firmware feature for flushing multiple hpte entries
@@ -725,7 +738,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        elevator=       [IOSCHED]
                        Format: {"cfq" | "deadline" | "noop"}
-                       See Documentation/block/as-iosched.txt and
+                       See Documentation/block/cfq-iosched.txt and
                        Documentation/block/deadline-iosched.txt for details.
 
        elfcorehdr=     [IA-64,PPC,SH,X86]
@@ -771,7 +784,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        fail_make_request=[KNL]
                        General fault injection mechanism.
                        Format: <interval>,<probability>,<space>,<times>
-                       See also /Documentation/fault-injection/.
+                       See also Documentation/fault-injection/.
 
        floppy=         [HW]
                        See Documentation/blockdev/floppy.txt.
@@ -1020,10 +1033,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        has the capability. With this option, super page will
                        not be supported.
        intremap=       [X86-64, Intel-IOMMU]
-                       Format: { on (default) | off | nosid }
                        on      enable Interrupt Remapping (default)
                        off     disable Interrupt Remapping
                        nosid   disable Source ID checking
+                       no_x2apic_optout
+                               BIOS x2APIC opt-out request will be ignored
 
        inttest=        [IA-64]
 
@@ -1783,6 +1797,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        noresidual      [PPC] Don't use residual data on PReP machines.
 
+       nordrand        [X86] Disable the direct use of the RDRAND
+                       instruction even if it is supported by the
+                       processor.  RDRAND is still available to user
+                       space applications.
+
        noresume        [SWSUSP] Disables resume and restores original swap
                        space.
 
@@ -2246,6 +2265,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        in <PAGE_SIZE> units (needed only for swap files).
                        See  Documentation/power/swsusp-and-swap-files.txt
 
+       resumedelay=    [HIBERNATION] Delay (in seconds) to pause before attempting to
+                       read the resume files
+
+       resumewait      [HIBERNATION] Wait (indefinitely) for resume device to show up.
+                       Useful for devices that are detected asynchronously
+                       (e.g. USB and MMC devices).
+
        hibernate=      [HIBERNATION]
                noresume        Don't check if there's a hibernation image
                                present during boot.
@@ -2381,7 +2407,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Format: <integer>
 
        sonypi.*=       [HW] Sony Programmable I/O Control Device driver
-                       See Documentation/sonypi.txt
+                       See Documentation/laptops/sonypi.txt
 
        specialix=      [HW,SERIAL] Specialix multi-serial port adapter
                        See Documentation/serial/specialix.txt.