ACPI: fix 2.6.28 acpi.debug_level regression

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

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4782fe7ac7d0dd1095f06fdcff70df4026ccbb8e..c9115c1b672c6e9eadb9ce59c2c198fea024823c 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -198,6 +198,18 @@ and is between 256 and 4096 characters. It is defined in the file
                        that require a timer override, but don't have
                        HPET
 
+       acpi_backlight= [HW,ACPI]
+                       acpi_backlight=vendor
+                       acpi_backlight=video
+                       If set to vendor, prefer vendor specific driver
+                       (e.g. thinkpad_acpi, sony_acpi, etc.) instead
+                       of the ACPI video.ko driver.
+
+       acpi_display_output=    [HW,ACPI]
+                       acpi_display_output=vendor
+                       acpi_display_output=video
+                       See above.
+
        acpi.debug_layer=       [HW,ACPI,ACPI_DEBUG]
        acpi.debug_level=       [HW,ACPI,ACPI_DEBUG]
                        Format: <int>
@@ -208,14 +220,17 @@ and is between 256 and 4096 characters. It is defined in the file
                        Bits in debug_level correspond to a level in
                        ACPI_DEBUG_PRINT statements, e.g.,
                            ACPI_DEBUG_PRINT((ACPI_DB_INFO, ...
-                       See Documentation/acpi/debug.txt for more information
-                       about debug layers and levels.
+                       The debug_level mask defaults to "info".  See
+                       Documentation/acpi/debug.txt for more information about
+                       debug layers and levels.
 
+                       Enable processor driver info messages:
+                           acpi.debug_layer=0x20000000
+                       Enable PCI/PCI interrupt routing info messages:
+                           acpi.debug_layer=0x400000
                        Enable AML "Debug" output, i.e., stores to the Debug
                        object while interpreting AML:
                            acpi.debug_layer=0xffffffff acpi.debug_level=0x2
-                       Enable PCI/PCI interrupt routing info messages:
-                           acpi.debug_layer=0x400000 acpi.debug_level=0x4
                        Enable all messages related to ACPI hardware:
                            acpi.debug_layer=0x2 acpi.debug_level=0xffffffff
 
@@ -282,7 +297,9 @@ and is between 256 and 4096 characters. It is defined in the file
                        Possible values are:
                        isolate - enable device isolation (each device, as far
                                  as possible, will get its own protection
-                                 domain)
+                                 domain) [default]
+                       share - put every device behind one IOMMU into the
+                               same protection domain
                        fullflush - enable flushing of IO/TLB entries when
                                    they are unmapped. Otherwise they are
                                    flushed before they will be reused, which
@@ -617,7 +634,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
        digiepca=       [HW,SERIAL]
                        See drivers/char/README.epca and
-                       Documentation/digiepca.txt.
+                       Documentation/serial/digiepca.txt.
 
        disable_mtrr_cleanup [X86]
        enable_mtrr_cleanup [X86]
@@ -728,7 +745,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        See header of drivers/scsi/fdomain.c.
 
        floppy=         [HW]
-                       See Documentation/floppy.txt.
+                       See Documentation/blockdev/floppy.txt.
 
        force_pal_cache_flush
                        [IA-64] Avoid check_sal_cache_flush which may hang on
@@ -1089,7 +1106,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        the same attribute, the last one is used.
 
        load_ramdisk=   [RAM] List of ramdisks to load from floppy
-                       See Documentation/ramdisk.txt.
+                       See Documentation/blockdev/ramdisk.txt.
 
        lockd.nlm_grace_period=P  [NFS] Assign grace period.
                        Format: <integer>
@@ -1181,8 +1198,8 @@ and is between 256 and 4096 characters. It is defined in the file
                        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.
+       max_addr=nn[KMG]        [KNL,BOOT,ia64] All physical memory greater than
+                       or equal to this physical address is ignored.
 
        max_luns=       [SCSI] Maximum number of LUNs to probe.
                        Should be between 1 and 2^32-1.
@@ -1282,6 +1299,9 @@ and is between 256 and 4096 characters. It is defined in the file
 
        mga=            [HW,DRM]
 
+       min_addr=nn[KMG]        [KNL,BOOT,ia64] All physical memory below this
+                       physical address is ignored.
+
        mminit_loglevel=
                        [KNL] When CONFIG_DEBUG_MEMORY_INIT is set, this
                        parameter allows control of the logging verbosity for
@@ -1584,7 +1604,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
        pcd.            [PARIDE]
                        See header of drivers/block/paride/pcd.c.
-                       See also Documentation/paride.txt.
+                       See also Documentation/blockdev/paride.txt.
 
        pci=option[,option...]  [PCI] various PCI subsystem options:
                off             [X86] don't probe for the PCI bus
@@ -1685,7 +1705,7 @@ and is between 256 and 4096 characters. It is defined in the file
        pcmv=           [HW,PCMCIA] BadgePAD 4
 
        pd.             [PARIDE]
-                       See Documentation/paride.txt.
+                       See Documentation/blockdev/paride.txt.
 
        pdcchassis=     [PARISC,HW] Disable/Enable PDC Chassis Status codes at
                        boot time.
@@ -1693,10 +1713,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        See arch/parisc/kernel/pdc_chassis.c
 
        pf.             [PARIDE]
-                       See Documentation/paride.txt.
+                       See Documentation/blockdev/paride.txt.
 
        pg.             [PARIDE]
-                       See Documentation/paride.txt.
+                       See Documentation/blockdev/paride.txt.
 
        pirq=           [SMP,APIC] Manual mp-table setup
                        See Documentation/x86/i386/IO-APIC.txt.
@@ -1766,7 +1786,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
        prompt_ramdisk= [RAM] List of RAM disks to prompt for floppy disk
                        before loading.
-                       See Documentation/ramdisk.txt.
+                       See Documentation/blockdev/ramdisk.txt.
 
        psmouse.proto=  [HW,MOUSE] Highest PS2 mouse protocol extension to
                        probe for; one of (bare|imps|exps|lifebook|any).
@@ -1786,7 +1806,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq>
 
        pt.             [PARIDE]
-                       See Documentation/paride.txt.
+                       See Documentation/blockdev/paride.txt.
 
        pty.legacy_count=
                        [KNL] Number of legacy pty's. Overwrites compiled-in
@@ -1800,10 +1820,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        See Documentation/md.txt.
 
        ramdisk_blocksize=      [RAM]
-                       See Documentation/ramdisk.txt.
+                       See Documentation/blockdev/ramdisk.txt.
 
        ramdisk_size=   [RAM] Sizes of RAM disks in kilobytes
-                       See Documentation/ramdisk.txt.
+                       See Documentation/blockdev/ramdisk.txt.
 
        rcupdate.blimit=        [KNL,BOOT]
                        Set maximum number of finished RCU callbacks to process
@@ -2135,7 +2155,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        See Documentation/sonypi.txt
 
        specialix=      [HW,SERIAL] Specialix multi-serial port adapter
-                       See Documentation/specialix.txt.
+                       See Documentation/serial/specialix.txt.
 
        spia_io_base=   [HW,MTD]
        spia_fio_base=