Pull cpuidle into release branch

[pandora-kernel.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 3ea49f9..33121d6 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -339,12 +339,6 @@ and is between 256 and 4096 characters. It is defined in the file
                        Format: <io>,<irq>,<mode>
                        See header of drivers/net/hamradio/baycom_ser_hdx.c.
 
-       blkmtd_device=  [HW,MTD]
-       blkmtd_erasesz=
-       blkmtd_ro=
-       blkmtd_bs=
-       blkmtd_count=
-
        boot_delay=     Milliseconds to delay each printk during boot.
                        Values larger than 10 seconds (10000) are changed to
                        no delay (0).
@@ -425,8 +419,11 @@ and is between 256 and 4096 characters. It is defined in the file
                        over the 8254 in addition to over the IO-APIC. The
                        kernel tries to set a sensible default.
 
-       hpet=           [X86-32,HPET] option to disable HPET and use PIT.
-                       Format: disable
+       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, nVidia)
 
        com20020=       [HW,NET] ARCnet - COM20020 chipset
                        Format:
@@ -564,10 +561,6 @@ and is between 256 and 4096 characters. It is defined in the file
                        See drivers/char/README.epca and
                        Documentation/digiepca.txt.
 
-       dmascc=         [HW,AX25,SERIAL] AX.25 Z80SCC driver with DMA
-                       support available.
-                       Format: <io_dev0>[,<io_dev1>[,..<io_dev32>]]
-
        dmasound=       [HW,OSS] Sound subsystem buffers
 
        dscc4.setup=    [NET]
@@ -593,11 +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
@@ -780,6 +768,23 @@ and is between 256 and 4096 characters. It is defined in the file
 
        inttest=        [IA64]
 
+       intel_iommu=    [DMAR] Intel IOMMU driver (DMAR) option
+               off
+                       Disable intel iommu driver.
+               igfx_off [Default Off]
+                       By default, gfx is mapped as normal device. If a gfx
+                       device has a dedicated DMAR unit, the DMAR unit is
+                       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
                        arch/alpha/kernel/core_marvel.c.
@@ -1434,7 +1439,9 @@ 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]
                        Limit processor to maximum C-state
@@ -1994,10 +2001,6 @@ and is between 256 and 4096 characters. It is defined in the file
        norandmaps      Don't use address space randomization
                        Equivalent to echo 0 > /proc/sys/kernel/randomize_va_space
 
-       unwind_debug=N  N > 0 will enable dwarf2 unwinder debugging
-                       This is useful to get more information why
-                       you got a "dwarf2 unwinder stuck"
-
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 TODO: