virtio: let header files include virtio_ids.h

[safe/jmp/linux-2.6] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 96230a6..9107b38 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -48,6 +48,7 @@ parameter is applicable:
        EFI     EFI Partitioning (GPT) is enabled
        EIDE    EIDE/ATAPI support is enabled.
        FB      The frame buffer device is enabled.
        EFI     EFI Partitioning (GPT) is enabled
        EIDE    EIDE/ATAPI support is enabled.
        FB      The frame buffer device is enabled.

+       GCOV    GCOV profiling is enabled.

        HW      Appropriate hardware is enabled.
        IA-64   IA-64 architecture is enabled.
        IMA     Integrity measurement architecture is enabled.
        HW      Appropriate hardware is enabled.
        IA-64   IA-64 architecture is enabled.
        IMA     Integrity measurement architecture is enabled.


@@ -56,6 +57,7 @@ parameter is applicable:
        ISAPNP  ISA PnP code is enabled.
        ISDN    Appropriate ISDN support is enabled.
        JOY     Appropriate joystick support is enabled.
        ISAPNP  ISA PnP code is enabled.
        ISDN    Appropriate ISDN support is enabled.
        JOY     Appropriate joystick support is enabled.

+       KVM     Kernel Virtual Machine support is enabled.

        LIBATA  Libata driver is enabled
        LP      Printer support is enabled.
        LOOP    Loopback device support is enabled.
        LIBATA  Libata driver is enabled
        LP      Printer support is enabled.
        LOOP    Loopback device support is enabled.


@@ -228,14 +230,6 @@ and is between 256 and 4096 characters. It is defined in the file
                        to assume that this machine's pmtimer latches its value
                        and always returns good values.
 
                        to assume that this machine's pmtimer latches its value
                        and always returns good values.
 

-       acpi.power_nocheck=     [HW,ACPI]
-                       Format: 1/0 enable/disable the check of power state.
-                       On some bogus BIOS the _PSC object/_STA object of
-                       power resource can't return the correct device power
-                       state. In such case it is unneccessary to check its
-                       power state again in power transition.
-                       1 : disable the power state check
-

        acpi_sci=       [HW,ACPI] ACPI System Control Interrupt trigger mode
                        Format: { level | edge | high | low }
 
        acpi_sci=       [HW,ACPI] ACPI System Control Interrupt trigger mode
                        Format: { level | edge | high | low }
 


@@ -677,7 +671,8 @@ and is between 256 and 4096 characters. It is defined in the file
        earlyprintk=    [X86,SH,BLACKFIN]
                        earlyprintk=vga
                        earlyprintk=serial[,ttySn[,baudrate]]
        earlyprintk=    [X86,SH,BLACKFIN]
                        earlyprintk=vga
                        earlyprintk=serial[,ttySn[,baudrate]]

-                       earlyprintk=dbgp
+                       earlyprintk=ttySn[,baudrate]
+                       earlyprintk=dbgp[debugController#]

 
                        Append ",keep" to not disable it when the real console
                        takes over.
 
                        Append ",keep" to not disable it when the real console
                        takes over.


@@ -796,6 +791,12 @@ and is between 256 and 4096 characters. It is defined in the file
                        Format: off | on
                        default: on
 
                        Format: off | on
                        default: on
 

+       gcov_persist=   [GCOV] When non-zero (default), profiling data for
+                       kernel modules is saved and remains accessible via
+                       debugfs, even when the module is unloaded/reloaded.
+                       When zero, profiling data is discarded and associated
+                       debugfs files are removed at module unload time.
+

        gdth=           [HW,SCSI]
                        See header of drivers/scsi/gdth.c.
 
        gdth=           [HW,SCSI]
                        See header of drivers/scsi/gdth.c.
 


@@ -933,7 +934,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        1 -- enable informational integrity auditing messages.
 
        ima_hash=       [IMA]
                        1 -- enable informational integrity auditing messages.
 
        ima_hash=       [IMA]

-                       Formt: { "sha1" | "md5" }
+                       Format: { "sha1" | "md5" }

                        default: "sha1"
 
        ima_tcb         [IMA]
                        default: "sha1"
 
        ima_tcb         [IMA]


@@ -999,6 +1000,7 @@ and is between 256 and 4096 characters. It is defined in the file
                nomerge
                forcesac
                soft
                nomerge
                forcesac
                soft

+               pt      [x86, IA64]

 
        io7=            [HW] IO7 for Marvel based alpha systems
                        See comment before marvel_specify_io7 in
 
        io7=            [HW] IO7 for Marvel based alpha systems
                        See comment before marvel_specify_io7 in


@@ -1098,6 +1100,44 @@ and is between 256 and 4096 characters. It is defined in the file
        kstack=N        [X86] Print N words from the kernel stack
                        in oops dumps.
 
        kstack=N        [X86] Print N words from the kernel stack
                        in oops dumps.
 

+       kvm.ignore_msrs=[KVM] Ignore guest accesses to unhandled MSRs.
+                       Default is 0 (don't ignore, but inject #GP)
+
+       kvm.oos_shadow= [KVM] Disable out-of-sync shadow paging.
+                       Default is 1 (enabled)
+
+       kvm-amd.nested= [KVM,AMD] Allow nested virtualization in KVM/SVM.
+                       Default is 0 (off)
+
+       kvm-amd.npt=    [KVM,AMD] Disable nested paging (virtualized MMU)
+                       for all guests.
+                       Default is 1 (enabled) if in 64bit or 32bit-PAE mode
+
+       kvm-intel.bypass_guest_pf=
+                       [KVM,Intel] Disables bypassing of guest page faults
+                       on Intel chips. Default is 1 (enabled)
+
+       kvm-intel.ept=  [KVM,Intel] Disable extended page tables
+                       (virtualized MMU) support on capable Intel chips.
+                       Default is 1 (enabled)
+
+       kvm-intel.emulate_invalid_guest_state=
+                       [KVM,Intel] Enable emulation of invalid guest states
+                       Default is 0 (disabled)
+
+       kvm-intel.flexpriority=
+                       [KVM,Intel] Disable FlexPriority feature (TPR shadow).
+                       Default is 1 (enabled)
+
+       kvm-intel.unrestricted_guest=
+                       [KVM,Intel] Disable unrestricted guest feature
+                       (virtualized real and unpaged mode) on capable
+                       Intel chips. Default is 1 (enabled)
+
+       kvm-intel.vpid= [KVM,Intel] Disable Virtual Processor Identification
+                       feature (tagged TLBs) on capable Intel chips.
+                       Default is 1 (enabled)
+

        l2cr=           [PPC]
 
        l3cr=           [PPC]
        l2cr=           [PPC]
 
        l3cr=           [PPC]


@@ -1115,6 +1155,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        libata.dma=4      Compact Flash DMA only 
                        Combinations also work, so libata.dma=3 enables DMA
                        for disks and CDROMs, but not CFs.
                        libata.dma=4      Compact Flash DMA only 
                        Combinations also work, so libata.dma=3 enables DMA
                        for disks and CDROMs, but not CFs.

+       
+       libata.ignore_hpa=      [LIBATA] Ignore HPA limit
+                       libata.ignore_hpa=0       keep BIOS limits (default)
+                       libata.ignore_hpa=1       ignore limits, using full disk

 
        libata.noacpi   [LIBATA] Disables use of ACPI in libata suspend/resume
                        when set.
 
        libata.noacpi   [LIBATA] Disables use of ACPI in libata suspend/resume
                        when set.


@@ -1243,6 +1287,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        (machvec) in a generic kernel.
                        Example: machvec=hpzx1_swiotlb
 
                        (machvec) in a generic kernel.
                        Example: machvec=hpzx1_swiotlb
 

+       machtype=       [Loongson] Share the same kernel image file between different
+                        yeeloong laptop.
+                       Example: machtype=lemote-yeeloong-2f-7inch
+

        max_addr=nn[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.
 


@@ -1424,6 +1472,16 @@ and is between 256 and 4096 characters. It is defined in the file
        mtdparts=       [MTD]
                        See drivers/mtd/cmdlinepart.c.
 
        mtdparts=       [MTD]
                        See drivers/mtd/cmdlinepart.c.
 

+       onenand.bdry=   [HW,MTD] Flex-OneNAND Boundary Configuration
+
+                       Format: [die0_boundary][,die0_lock][,die1_boundary][,die1_lock]
+
+                       boundary - index of last SLC block on Flex-OneNAND.
+                                  The remaining blocks are configured as MLC blocks.
+                       lock     - Configure if Flex-OneNAND boundary should be locked.
+                                  Once locked, the boundary cannot be changed.
+                                  1 indicates lock status, 0 indicates unlock status.
+

        mtdset=         [ARM]
                        ARM/S3C2412 JIVE boot control
 
        mtdset=         [ARM]
                        ARM/S3C2412 JIVE boot control
 


@@ -1489,6 +1547,14 @@ and is between 256 and 4096 characters. It is defined in the file
                        [NFS] set the TCP port on which the NFSv4 callback
                        channel should listen.
 
                        [NFS] set the TCP port on which the NFSv4 callback
                        channel should listen.
 

+       nfs.cache_getent=
+                       [NFS] sets the pathname to the program which is used
+                       to update the NFS client cache entries.
+
+       nfs.cache_getent_timeout=
+                       [NFS] sets the timeout after which an attempt to
+                       update a cache entry is deemed to have failed.
+

        nfs.idmap_cache_timeout=
                        [NFS] set the maximum lifetime for idmapper cache
                        entries.
        nfs.idmap_cache_timeout=
                        [NFS] set the maximum lifetime for idmapper cache
                        entries.


@@ -1500,7 +1566,7 @@ and is between 256 and 4096 characters. It is defined in the file
                        of returning the full 64-bit number.
                        The default is to return 64-bit inode numbers.
 
                        of returning the full 64-bit number.
                        The default is to return 64-bit inode numbers.
 

-       nmi_debug=      [KNL,AVR32] Specify one or more actions to take
+       nmi_debug=      [KNL,AVR32,SH] Specify one or more actions to take

                        when a NMI is triggered.
                        Format: [state][,regs][,debounce][,die]
 
                        when a NMI is triggered.
                        Format: [state][,regs][,debounce][,die]
 


@@ -1521,6 +1587,11 @@ and is between 256 and 4096 characters. It is defined in the file
                        symbolic names: lapic and ioapic
                        Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic
 
                        symbolic names: lapic and ioapic
                        Example: nmi_watchdog=2 or nmi_watchdog=panic,lapic
 

+       netpoll.carrier_timeout=
+                       [NET] Specifies amount of time (in seconds) that
+                       netpoll should wait for a carrier. By default netpoll
+                       waits 4 seconds.
+

        no387           [BUGS=X86-32] Tells the kernel to use the 387 maths
                        emulation library even if a 387 maths coprocessor
                        is present.
        no387           [BUGS=X86-32] Tells the kernel to use the 387 maths
                        emulation library even if a 387 maths coprocessor
                        is present.


@@ -1710,8 +1781,8 @@ and is between 256 and 4096 characters. It is defined in the file
        oprofile.cpu_type=      Force an oprofile cpu type
                        This might be useful if you have an older oprofile
                        userland or if you want common events.
        oprofile.cpu_type=      Force an oprofile cpu type
                        This might be useful if you have an older oprofile
                        userland or if you want common events.

-                       Format: { archperfmon }
-                       archperfmon: [X86] Force use of architectural
+                       Format: { arch_perfmon }
+                       arch_perfmon: [X86] Force use of architectural

                                perfmon on Intel CPUs instead of the
                                CPU specific event set.
 
                                perfmon on Intel CPUs instead of the
                                CPU specific event set.
 


@@ -1790,6 +1861,9 @@ and is between 256 and 4096 characters. It is defined in the file
                                root domains (aka PCI segments, in ACPI-speak).
                nommconf        [X86] Disable use of MMCONFIG for PCI
                                Configuration
                                root domains (aka PCI segments, in ACPI-speak).
                nommconf        [X86] Disable use of MMCONFIG for PCI
                                Configuration

+               check_enable_amd_mmconf [X86] check for and enable
+                               properly configured MMIO access to PCI
+                               config space on AMD family 10h CPU

                nomsi           [MSI] If the PCI_MSI kernel config parameter is
                                enabled, this kernel boot option can be used to
                                disable the use of MSI interrupts system-wide.
                nomsi           [MSI] If the PCI_MSI kernel config parameter is
                                enabled, this kernel boot option can be used to
                                disable the use of MSI interrupts system-wide.


@@ -1879,6 +1953,12 @@ and is between 256 and 4096 characters. It is defined in the file
                                PAGE_SIZE is used as alignment.
                                PCI-PCI bridge can be specified, if resource
                                windows need to be expanded.
                                PAGE_SIZE is used as alignment.
                                PCI-PCI bridge can be specified, if resource
                                windows need to be expanded.

+               ecrc=           Enable/disable PCIe ECRC (transaction layer
+                               end-to-end CRC checking).
+                               bios: Use BIOS/firmware settings. This is the
+                               the default.
+                               off: Turn ECRC off
+                               on: Turn ECRC on.

 
        pcie_aspm=      [PCIE] Forcibly enable or disable PCIe Active State Power
                        Management.
 
        pcie_aspm=      [PCIE] Forcibly enable or disable PCIe Active State Power
                        Management.


@@ -1896,6 +1976,13 @@ and is between 256 and 4096 characters. It is defined in the file
                        Format: { 0 | 1 }
                        See arch/parisc/kernel/pdc_chassis.c
 
                        Format: { 0 | 1 }
                        See arch/parisc/kernel/pdc_chassis.c
 

+       percpu_alloc=   Select which percpu first chunk allocator to use.
+                       Currently supported values are "embed" and "page".
+                       Archs may support subset or none of the selections.
+                       See comments in mm/percpu.c for details on each
+                       allocator.  This parameter is primarily for debugging
+                       and performance comparison.
+

        pf.             [PARIDE]
                        See Documentation/blockdev/paride.txt.
 
        pf.             [PARIDE]
                        See Documentation/blockdev/paride.txt.
 


@@ -2366,6 +2453,18 @@ and is between 256 and 4096 characters. It is defined in the file
        stifb=          [HW]
                        Format: bpp:<bpp1>[:<bpp2>[:<bpp3>...]]
 
        stifb=          [HW]
                        Format: bpp:<bpp1>[:<bpp2>[:<bpp3>...]]
 

+       sunrpc.min_resvport=
+       sunrpc.max_resvport=
+                       [NFS,SUNRPC]
+                       SunRPC servers often require that client requests
+                       originate from a privileged port (i.e. a port in the
+                       range 0 < portnr < 1024).
+                       An administrator who wishes to reserve some of these
+                       ports for other uses may adjust the range that the
+                       kernel's sunrpc client considers to be privileged
+                       using these two parameters to set the minimum and
+                       maximum port values.
+

        sunrpc.pool_mode=
                        [NFS]
                        Control how the NFS server code allocates CPUs to
        sunrpc.pool_mode=
                        [NFS]
                        Control how the NFS server code allocates CPUs to


@@ -2382,6 +2481,15 @@ and is between 256 and 4096 characters. It is defined in the file
                        pernode     one pool for each NUMA node (equivalent
                                    to global on non-NUMA machines)
 
                        pernode     one pool for each NUMA node (equivalent
                                    to global on non-NUMA machines)
 

+       sunrpc.tcp_slot_table_entries=
+       sunrpc.udp_slot_table_entries=
+                       [NFS,SUNRPC]
+                       Sets the upper limit on the number of simultaneous
+                       RPC calls that can be sent from the client to a
+                       server. Increasing these values may allow you to
+                       improve throughput, but will also increase the
+                       amount of memory reserved for use by the client.
+

        swiotlb=        [IA-64] Number of I/O TLB slabs
 
        switches=       [HW,M68k]
        swiotlb=        [IA-64] Number of I/O TLB slabs
 
        switches=       [HW,M68k]


@@ -2448,7 +2556,13 @@ and is between 256 and 4096 characters. It is defined in the file
 
        tp720=          [HW,PS2]
 
 
        tp720=          [HW,PS2]
 

-       trace_buf_size=nn[KMG] [ftrace] will set tracing buffer size.
+       trace_buf_size=nn[KMG]
+                       [FTRACE] will set tracing buffer size.
+
+       trace_event=[event-list]
+                       [FTRACE] Set and start specified trace events in order
+                       to facilitate early boot debugging.
+                       See also Documentation/trace/events.txt

 
        trix=           [HW,OSS] MediaTrix AudioTrix Pro
                        Format:
 
        trix=           [HW,OSS] MediaTrix AudioTrix Pro
                        Format: