[SCSI] qla2xxx: Set the task attributes after memsetting fcp cmnd.

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

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 26a8374..614d038 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -40,6 +40,7 @@ parameter is applicable:
        ALSA    ALSA sound support is enabled.
        APIC    APIC support is enabled.
        APM     Advanced Power Management support is enabled.
        ALSA    ALSA sound support is enabled.
        APIC    APIC support is enabled.
        APM     Advanced Power Management support is enabled.

+       ARM     ARM architecture is enabled.

        AVR32   AVR32 architecture is enabled.
        AX25    Appropriate AX.25 support is enabled.
        BLACKFIN Blackfin architecture is enabled.
        AVR32   AVR32 architecture is enabled.
        AX25    Appropriate AX.25 support is enabled.
        BLACKFIN Blackfin architecture is enabled.


@@ -49,6 +50,7 @@ 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.

+       FTRACE  Function tracing enabled.

        GCOV    GCOV profiling is enabled.
        HW      Appropriate hardware is enabled.
        IA-64   IA-64 architecture is enabled.
        GCOV    GCOV profiling is enabled.
        HW      Appropriate hardware is enabled.
        IA-64   IA-64 architecture is enabled.


@@ -69,6 +71,7 @@ parameter is applicable:
                        Documentation/m68k/kernel-options.txt.
        MCA     MCA bus support is enabled.
        MDA     MDA console support is enabled.
                        Documentation/m68k/kernel-options.txt.
        MCA     MCA bus support is enabled.
        MDA     MDA console support is enabled.

+       MIPS    MIPS architecture is enabled.

        MOUSE   Appropriate mouse support is enabled.
        MSI     Message Signaled Interrupts (PCI).
        MTD     MTD (Memory Technology Device) support is enabled.
        MOUSE   Appropriate mouse support is enabled.
        MSI     Message Signaled Interrupts (PCI).
        MTD     MTD (Memory Technology Device) support is enabled.


@@ -100,7 +103,6 @@ parameter is applicable:
        SPARC   Sparc architecture is enabled.
        SWSUSP  Software suspend (hibernation) is enabled.
        SUSPEND System suspend states are enabled.
        SPARC   Sparc architecture is enabled.
        SWSUSP  Software suspend (hibernation) is enabled.
        SUSPEND System suspend states are enabled.

-       FTRACE  Function tracing enabled.

        TPM     TPM drivers are enabled.
        TS      Appropriate touchscreen support is enabled.
        UMS     USB Mass Storage support is enabled.
        TPM     TPM drivers are enabled.
        TS      Appropriate touchscreen support is enabled.
        UMS     USB Mass Storage support is enabled.


@@ -115,7 +117,7 @@ parameter is applicable:
        X86-64  X86-64 architecture is enabled.
                        More X86-64 boot options can be found in
                        Documentation/x86/x86_64/boot-options.txt .
        X86-64  X86-64 architecture is enabled.
                        More X86-64 boot options can be found in
                        Documentation/x86/x86_64/boot-options.txt .

-       X86     Either 32bit or 64bit x86 (same as X86-32+X86-64)
+       X86     Either 32-bit or 64-bit x86 (same as X86-32+X86-64)

        XEN     Xen support is enabled
 
 In addition, the following text indicates that the option:
        XEN     Xen support is enabled
 
 In addition, the following text indicates that the option:


@@ -163,6 +165,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
                        See also Documentation/power/pm.txt, pci=noacpi
 
 
                        See also Documentation/power/pm.txt, pci=noacpi
 

+       acpi_rsdp=      [ACPI,EFI,KEXEC]
+                       Pass the RSDP address to the kernel, mostly used
+                       on machines running EFI runtime service to boot the
+                       second kernel for kdump.
+

        acpi_apic_instance=     [ACPI, IOAPIC]
                        Format: <int>
                        2: use 2nd APIC table, if available
        acpi_apic_instance=     [ACPI, IOAPIC]
                        Format: <int>
                        2: use 2nd APIC table, if available


@@ -371,7 +378,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        atkbd.softrepeat= [HW]
                        Use software keyboard repeat
 
        atkbd.softrepeat= [HW]
                        Use software keyboard repeat
 

-       autotest        [IA64]
+       autotest        [IA-64]

 
        baycom_epp=     [HW,AX25]
                        Format: <io>,<mode>
 
        baycom_epp=     [HW,AX25]
                        Format: <io>,<mode>


@@ -546,6 +553,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        /proc/<pid>/coredump_filter.
                        See also Documentation/filesystems/proc.txt.
 
                        /proc/<pid>/coredump_filter.
                        See also Documentation/filesystems/proc.txt.
 

+       cpuidle.off=1   [CPU_IDLE]
+                       disable the cpuidle sub-system
+

        cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver
                        Format:
                        <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>]
        cpcihp_generic= [HW,PCI] Generic port I/O CompactPCI driver
                        Format:
                        <first_slot>,<last_slot>,<port>,<enum_bit>[,<debug>]


@@ -673,8 +683,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                uart[8250],mmio32,<addr>[,options]
                        Start an early, polled-mode console on the 8250/16550
                        UART at the specified I/O port or MMIO address.
                uart[8250],mmio32,<addr>[,options]
                        Start an early, polled-mode console on the 8250/16550
                        UART at the specified I/O port or MMIO address.

-                       MMIO inter-register address stride is either 8bit (mmio)
-                        or 32bit (mmio32).
+                       MMIO inter-register address stride is either 8-bit
+                       (mmio) or 32-bit (mmio32).

                        The options are the same as for ttyS, above.
 
        earlyprintk=    [X86,SH,BLACKFIN]
                        The options are the same as for ttyS, above.
 
        earlyprintk=    [X86,SH,BLACKFIN]


@@ -717,7 +727,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        See Documentation/block/as-iosched.txt and
                        Documentation/block/deadline-iosched.txt for details.
 
                        See Documentation/block/as-iosched.txt and
                        Documentation/block/deadline-iosched.txt for details.
 

-       elfcorehdr=     [IA64,PPC,SH,X86]
+       elfcorehdr=     [IA-64,PPC,SH,X86]

                        Specifies physical address of start of kernel core
                        image elf header. Generally kexec loader will
                        pass this option to capture kernel.
                        Specifies physical address of start of kernel core
                        image elf header. Generally kexec loader will
                        pass this option to capture kernel.


@@ -783,7 +793,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        tracer at boot up. function-list is a comma separated
                        list of functions. This list can be changed at run
                        time by the set_ftrace_filter file in the debugfs
                        tracer at boot up. function-list is a comma separated
                        list of functions. This list can be changed at run
                        time by the set_ftrace_filter file in the debugfs

-                       tracing directory. 
+                       tracing directory.

 
        ftrace_notrace=[function-list]
                        [FTRACE] Do not trace the functions specified in
 
        ftrace_notrace=[function-list]
                        [FTRACE] Do not trace the functions specified in


@@ -821,7 +831,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        hashdist=       [KNL,NUMA] Large hashes allocated during boot
                        are distributed across NUMA nodes.  Defaults on
 
        hashdist=       [KNL,NUMA] Large hashes allocated during boot
                        are distributed across NUMA nodes.  Defaults on

-                       for 64bit NUMA, off otherwise.
+                       for 64-bit NUMA, off otherwise.

                        Format: 0 | 1 (for off | on)
 
        hcl=            [IA-64] SGI's Hardware Graph compatibility layer
                        Format: 0 | 1 (for off | on)
 
        hcl=            [IA-64] SGI's Hardware Graph compatibility layer


@@ -990,10 +1000,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        DMA.
                forcedac [x86_64]
                        With this option iommu will not optimize to look
                        DMA.
                forcedac [x86_64]
                        With this option iommu will not optimize to look

-                       for io virtual address below 32 bit forcing dual
+                       for io virtual address below 32-bit forcing dual

                        address cycle on pci bus for cards supporting greater
                        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
+                       than 32-bit addressing. The default is to look
+                       for translation below 32-bit and if not available

                        then look in the higher range.
                strict [Default Off]
                        With this option on every unmap_single operation will
                        then look in the higher range.
                strict [Default Off]
                        With this option on every unmap_single operation will


@@ -1009,7 +1019,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        off     disable Interrupt Remapping
                        nosid   disable Source ID checking
 
                        off     disable Interrupt Remapping
                        nosid   disable Source ID checking
 

-       inttest=        [IA64]
+       inttest=        [IA-64]

 
        iomem=          Disable strict checking of access to MMIO memory
                strict  regions from userspace.
 
        iomem=          Disable strict checking of access to MMIO memory
                strict  regions from userspace.


@@ -1026,7 +1036,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                nomerge
                forcesac
                soft
                nomerge
                forcesac
                soft

-               pt      [x86, IA64]
+               pt      [x86, IA-64]

 
        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


@@ -1157,7 +1167,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        kvm-amd.npt=    [KVM,AMD] Disable nested paging (virtualized MMU)
                        for all guests.
 
        kvm-amd.npt=    [KVM,AMD] Disable nested paging (virtualized MMU)
                        for all guests.

-                       Default is 1 (enabled) if in 64bit or 32bit-PAE mode
+                       Default is 1 (enabled) if in 64-bit or 32-bit PAE mode.

 
        kvm-intel.ept=  [KVM,Intel] Disable extended page tables
                        (virtualized MMU) support on capable Intel chips.
 
        kvm-intel.ept=  [KVM,Intel] Disable extended page tables
                        (virtualized MMU) support on capable Intel chips.


@@ -1194,10 +1204,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        libata.dma=0      Disable all PATA and SATA DMA
                        libata.dma=1      PATA and SATA Disk DMA only
                        libata.dma=2      ATAPI (CDROM) DMA only
                        libata.dma=0      Disable all PATA and SATA DMA
                        libata.dma=1      PATA and SATA Disk DMA only
                        libata.dma=2      ATAPI (CDROM) DMA only

-                       libata.dma=4      Compact Flash DMA only 
+                       libata.dma=4      Compact Flash DMA only

                        Combinations also work, so libata.dma=3 enables DMA
                        for disks and CDROMs, but not CFs.
                        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.ignore_hpa=      [LIBATA] Ignore HPA limit
                        libata.ignore_hpa=0       keep BIOS limits (default)
                        libata.ignore_hpa=1       ignore limits, using full disk


@@ -1323,7 +1333,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        ltpc=           [NET]
                        Format: <io>,<irq>,<dma>
 
        ltpc=           [NET]
                        Format: <io>,<irq>,<dma>
 

-       machvec=        [IA64] Force the use of a particular machine-vector
+       machvec=        [IA-64] Force the use of a particular machine-vector

                        (machvec) in a generic kernel.
                        Example: machvec=hpzx1_swiotlb
 
                        (machvec) in a generic kernel.
                        Example: machvec=hpzx1_swiotlb
 


@@ -1340,9 +1350,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        it is equivalent to "nosmp", which also disables
                        the IO APIC.
 
                        it is equivalent to "nosmp", which also disables
                        the IO APIC.
 

-       max_loop=       [LOOP] Maximum number of loopback devices that can
-                       be mounted
-                       Format: <1-256>
+       max_loop=       [LOOP] The number of loop block devices that get
+       (loop.max_loop) unconditionally pre-created at init time. The default
+                       number is configured by BLK_DEV_LOOP_MIN_COUNT. Instead
+                       of statically allocating a predefined number, loop
+                       devices can be requested on-demand with the
+                       /dev/loop-control interface.

 
        mcatest=        [IA-64]
 
 
        mcatest=        [IA-64]
 


@@ -1726,7 +1739,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        nointroute      [IA-64]
 
 
        nointroute      [IA-64]
 

-       nojitter        [IA64] Disables jitter checking for ITC timers.
+       nojitter        [IA-64] Disables jitter checking for ITC timers.

 
        no-kvmclock     [X86,KVM] Disable paravirtualized KVM clock driver
 
 
        no-kvmclock     [X86,KVM] Disable paravirtualized KVM clock driver
 


@@ -1792,7 +1805,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        nox2apic        [X86-64,APIC] Do not enable x2APIC mode.
 
 
        nox2apic        [X86-64,APIC] Do not enable x2APIC mode.
 

-       nptcg=          [IA64] Override max number of concurrent global TLB
+       nptcg=          [IA-64] Override max number of concurrent global TLB

                        purges which is reported from either PAL_VM_SUMMARY or
                        SAL PALO.
 
                        purges which is reported from either PAL_VM_SUMMARY or
                        SAL PALO.
 


@@ -2069,7 +2082,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Format: { parport<nr> | timid | 0 }
                        See also Documentation/parport.txt.
 
                        Format: { parport<nr> | timid | 0 }
                        See also Documentation/parport.txt.
 

-       pmtmr=          [X86] Manual setup of pmtmr I/O Port. 
+       pmtmr=          [X86] Manual setup of pmtmr I/O Port.

                        Override pmtimer IOPort with a hex value.
                        e.g. pmtmr=0x508
 
                        Override pmtimer IOPort with a hex value.
                        e.g. pmtmr=0x508
 


@@ -2240,6 +2253,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        ro              [KNL] Mount root device read-only on boot
 
        root=           [KNL] Root filesystem
        ro              [KNL] Mount root device read-only on boot
 
        root=           [KNL] Root filesystem

+                       See name_to_dev_t comment in init/do_mounts.c.

 
        rootdelay=      [KNL] Delay (in seconds) to pause before attempting to
                        mount the root filesystem
 
        rootdelay=      [KNL] Delay (in seconds) to pause before attempting to
                        mount the root filesystem


@@ -2626,6 +2640,16 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                        medium is write-protected).
                        Example: quirks=0419:aaf5:rl,0421:0433:rc
 
                                        medium is write-protected).
                        Example: quirks=0419:aaf5:rl,0421:0433:rc
 

+       user_debug=     [KNL,ARM]
+                       Format: <int>
+                       See arch/arm/Kconfig.debug help text.
+                                1 - undefined instruction events
+                                2 - system calls
+                                4 - invalid data aborts
+                                8 - SIGSEGV faults
+                               16 - SIGBUS faults
+                       Example: user_debug=31
+

        userpte=
                        [X86] Flags controlling user PTE allocations.
 
        userpte=
                        [X86] Flags controlling user PTE allocations.
 


@@ -2671,6 +2695,27 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        vmpoff=         [KNL,S390] Perform z/VM CP command after power off.
                        Format: <command>
 
        vmpoff=         [KNL,S390] Perform z/VM CP command after power off.
                        Format: <command>
 

+       vsyscall=       [X86-64]
+                       Controls the behavior of vsyscalls (i.e. calls to
+                       fixed addresses of 0xffffffffff600x00 from legacy
+                       code).  Most statically-linked binaries and older
+                       versions of glibc use these calls.  Because these
+                       functions are at fixed addresses, they make nice
+                       targets for exploits that can control RIP.
+
+                       emulate     [default] Vsyscalls turn into traps and are
+                                   emulated reasonably safely.
+
+                       native      Vsyscalls are native syscall instructions.
+                                   This is a little bit faster than trapping
+                                   and makes a few dynamic recompilers work
+                                   better than they would in emulation mode.
+                                   It also makes exploits much easier to write.
+
+                       none        Vsyscalls don't work at all.  This makes
+                                   them quite hard to use for exploits but
+                                   might break your system.
+

        vt.cur_default= [VT] Default cursor shape.
                        Format: 0xCCBBAA, where AA, BB, and CC are the same as
                        the parameters of the <Esc>[?A;B;Cc escape sequence;
        vt.cur_default= [VT] Default cursor shape.
                        Format: 0xCCBBAA, where AA, BB, and CC are the same as
                        the parameters of the <Esc>[?A;B;Cc escape sequence;