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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (77 commits)
[SCSI] fix crash in scsi_dispatch_cmd()
[SCSI] sr: check_events() ignore GET_EVENT when TUR says otherwise
[SCSI] bnx2i: Fixed kernel panic due to illegal usage of sc->request->cpu
[SCSI] bfa: Update the driver version to 3.0.2.1
[SCSI] bfa: Driver and BSG enhancements.
[SCSI] bfa: Added support to query PHY.
[SCSI] bfa: Added HBA diagnostics support.
[SCSI] bfa: Added support for flash configuration
[SCSI] bfa: Added support to obtain SFP info.
[SCSI] bfa: Added support for CEE info and stats query.
[SCSI] bfa: Extend BSG interface.
[SCSI] bfa: FCS bug fixes.
[SCSI] bfa: DMA memory allocation enhancement.
[SCSI] bfa: Brocade-1860 Fabric Adapter vHBA support.
[SCSI] bfa: Brocade-1860 Fabric Adapter PLL init fixes.
[SCSI] bfa: Added Fabric Assigned Address(FAA) support
[SCSI] bfa: IOC bug fixes.
[SCSI] bfa: Enable ASIC block configuration and query.
[SCSI] bnx2i: Updated copyright and bump version
[SCSI] bnx2i: Modified to skip CNIC registration if iSCSI is not supported
...
Fix up some trivial conflicts in:
- drivers/scsi/bnx2fc/{bnx2fc.h,bnx2fc_fcoe.c}:
Crazy broadcom version number conflicts
- drivers/target/tcm_fc/tfc_cmd.c
Just trivial cleanups done on adjacent lines
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-clocksource-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
clocksource: apb: Share APB timer code with other platforms
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virtio has been so far used only in the context of virtualization,
and the virtio Kconfig was sourced directly by the relevant arch
Kconfigs when VIRTUALIZATION was selected.
Now that we start using virtio for inter-processor communications,
we need to source the virtio Kconfig outside of the virtualization
scope too.
Moreover, some architectures might use virtio for both virtualization
and inter-processor communications, so directly sourcing virtio
might yield unexpected results due to conflicting selections.
The simple solution offered by this patch is to always source virtio's
Kconfig in drivers/Kconfig, and remove it from the appropriate arch
Kconfigs. Additionally, a virtio menu entry has been added so virtio
drivers don't show up in the general drivers menu.
This way anyone can use virtio, though it's arguably less accessible
(and neat!) for virtualization users now.
Note: some architectures (mips and sh) seem to have a VIRTUALIZATION
menu merely for sourcing virtio's Kconfig, so that menu is removed too.
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (107 commits)
vfs: use ERR_CAST for err-ptr tossing in lookup_instantiate_filp
isofs: Remove global fs lock
jffs2: fix IN_DELETE_SELF on overwriting rename() killing a directory
fix IN_DELETE_SELF on overwriting rename() on ramfs et.al.
mm/truncate.c: fix build for CONFIG_BLOCK not enabled
fs:update the NOTE of the file_operations structure
Remove dead code in dget_parent()
AFS: Fix silly characters in a comment
switch d_add_ci() to d_splice_alias() in "found negative" case as well
simplify gfs2_lookup()
jfs_lookup(): don't bother with . or ..
get rid of useless dget_parent() in btrfs rename() and link()
get rid of useless dget_parent() in fs/btrfs/ioctl.c
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
drivers: fix up various ->llseek() implementations
fs: handle SEEK_HOLE/SEEK_DATA properly in all fs's that define their own llseek
Ext4: handle SEEK_HOLE/SEEK_DATA generically
Btrfs: implement our own ->llseek
fs: add SEEK_HOLE and SEEK_DATA flags
reiserfs: make reiserfs default to barrier=flush
...
Fix up trivial conflicts in fs/xfs/linux-2.6/xfs_super.c due to the new
shrinker callout for the inode cache, that clashed with the xfs code to
start the periodic workers later.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86-64, vdso: Do not allocate memory for the vDSO
clocksource: Change __ARCH_HAS_CLOCKSOURCE_DATA to a CONFIG option
x86, vdso: Drop now wrong comment
Document the vDSO and add a reference parser
ia64: Replace clocksource.fsys_mmio with generic arch data
x86-64: Move vread_tsc and vread_hpet into the vDSO
clocksource: Replace vread with generic arch data
x86-64: Add --no-undefined to vDSO build
x86-64: Allow alternative patching in the vDSO
x86: Make alternative instruction pointers relative
x86-64: Improve vsyscall emulation CS and RIP handling
x86-64: Emulate legacy vsyscalls
x86-64: Fill unused parts of the vsyscall page with 0xcc
x86-64: Remove vsyscall number 3 (venosys)
x86-64: Map the HPET NX
x86-64: Remove kernel.vsyscall64 sysctl
x86-64: Give vvars their own page
x86-64: Document some of entry_64.S
x86-64: Fix alignment of jiffies variable
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-rtc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Serialize EFI time accesses on rtc_lock
x86: Serialize SMP bootup CMOS accesses on rtc_lock
rtc: stmp3xxx: Remove UIE handlers
rtc: stmp3xxx: Get rid of mach-specific accessors
rtc: stmp3xxx: Initialize drvdata before registering device
rtc: stmp3xxx: Port stmp-functions to mxs-equivalents
rtc: stmp3xxx: Restore register definitions
rtc: vt8500: Use define instead of hardcoded value for status bit
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
time: Fix stupid KERN_WARN compile issue
rtc: Avoid accumulating time drift in suspend/resume
time: Avoid accumulating time drift in suspend/resume
time: Catch invalid timespec sleep values in __timekeeping_inject_sleeptime
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-cleanup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
mips: Fix i8253 clockevent fallout
i8253: Cleanup outb/inb magic
arm: Footbridge: Use common i8253 clockevent
mips: Use common i8253 clockevent
x86: Use common i8253 clockevent
i8253: Create common clockevent implementation
i8253: Export i8253_lock unconditionally
pcpskr: MIPS: Make config dependencies finer grained
pcspkr: Cleanup Kconfig dependencies
i8253: Move remaining content and delete asm/i8253.h
i8253: Consolidate definitions of PIT_LATCH
x86: i8253: Consolidate definitions of global_clock_event
i8253: Alpha, PowerPC: Remove unused asm/8253pit.h
alpha: i8253: Cleanup remaining users of i8253pit.h
i8253: Remove I8253_LOCK config
i8253: Make pcsp sound driver use the shared i8253_lock
i8253: Make pcspkr input driver use the shared i8253_lock
i8253: Consolidate all kernel definitions of i8253_lock
i8253: Unify all kernel declarations of i8253_lock
i8253: Create linux/i8253.h and use it in all 8253 related files
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (123 commits)
perf: Remove the nmi parameter from the oprofile_perf backend
x86, perf: Make copy_from_user_nmi() a library function
perf: Remove perf_event_attr::type check
x86, perf: P4 PMU - Fix typos in comments and style cleanup
perf tools: Make test use the preset debugfs path
perf tools: Add automated tests for events parsing
perf tools: De-opt the parse_events function
perf script: Fix display of IP address for non-callchain path
perf tools: Fix endian conversion reading event attr from file header
perf tools: Add missing 'node' alias to the hw_cache[] array
perf probe: Support adding probes on offline kernel modules
perf probe: Add probed module in front of function
perf probe: Introduce debuginfo to encapsulate dwarf information
perf-probe: Move dwarf library routines to dwarf-aux.{c, h}
perf probe: Remove redundant dwarf functions
perf probe: Move strtailcmp to string.c
perf probe: Rename DIE_FIND_CB_FOUND to DIE_FIND_CB_END
tracing/kprobe: Update symbol reference when loading module
tracing/kprobes: Support module init function probing
kprobes: Return -ENOENT if probe point doesn't exist
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
rcu: Fix wrong check in list_splice_init_rcu()
net,rcu: Convert call_rcu(xt_rateest_free_rcu) to kfree_rcu()
sysctl,rcu: Convert call_rcu(free_head) to kfree
vmalloc,rcu: Convert call_rcu(rcu_free_vb) to kfree_rcu()
vmalloc,rcu: Convert call_rcu(rcu_free_va) to kfree_rcu()
ipc,rcu: Convert call_rcu(ipc_immediate_free) to kfree_rcu()
ipc,rcu: Convert call_rcu(free_un) to kfree_rcu()
security,rcu: Convert call_rcu(sel_netport_free) to kfree_rcu()
security,rcu: Convert call_rcu(sel_netnode_free) to kfree_rcu()
ia64,rcu: Convert call_rcu(sn_irq_info_free) to kfree_rcu()
block,rcu: Convert call_rcu(disk_free_ptbl_rcu_cb) to kfree_rcu()
scsi,rcu: Convert call_rcu(fc_rport_free_rcu) to kfree_rcu()
audit_tree,rcu: Convert call_rcu(__put_tree) to kfree_rcu()
security,rcu: Convert call_rcu(whitelist_item_free) to kfree_rcu()
md,rcu: Convert call_rcu(free_conf) to kfree_rcu()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
iommu/core: Fix build with INTR_REMAP=y && CONFIG_DMAR=n
iommu/amd: Don't use MSI address range for DMA addresses
iommu/amd: Move missing parts to drivers/iommu
iommu: Move iommu Kconfig entries to submenu
x86/ia64: intel-iommu: move to drivers/iommu/
x86: amd_iommu: move to drivers/iommu/
msm: iommu: move to drivers/iommu/
drivers: iommu: move to a dedicated folder
x86/amd-iommu: Store device alias as dev_data pointer
x86/amd-iommu: Search for existind dev_data before allocting a new one
x86/amd-iommu: Allow dev_data->alias to be NULL
x86/amd-iommu: Use only dev_data in low-level domain attach/detach functions
x86/amd-iommu: Use only dev_data for dte and iotlb flushing routines
x86/amd-iommu: Store ATS state in dev_data
x86/amd-iommu: Store devid in dev_data
x86/amd-iommu: Introduce global dev_data_list
x86/amd-iommu: Remove redundant device_flush_dte() calls
iommu-api: Add missing header file
Fix up trivial conflicts (independent additions close to each other) in
drivers/Makefile and include/linux/pci.h
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: (51 commits)
PM: Improve error code of pm_notifier_call_chain()
PM: Add "RTC" to PM trace time stamps to avoid confusion
PM / Suspend: Export suspend_set_ops, suspend_valid_only_mem
PM / Suspend: Add .suspend_again() callback to suspend_ops
PM / OPP: Introduce function to free cpufreq table
ARM / shmobile: Return -EBUSY from A4LC power off if A3RV is active
PM / Domains: Take .power_off() error code into account
ARM / shmobile: Use genpd_queue_power_off_work()
ARM / shmobile: Use pm_genpd_poweroff_unused()
PM / Domains: Introduce function to power off all unused PM domains
OMAP: PM: disable idle on suspend for GPIO and UART
OMAP: PM: omap_device: add API to disable idle on suspend
OMAP: PM: omap_device: add system PM methods for PM domain handling
OMAP: PM: omap_device: conditionally use PM domain runtime helpers
PM / Runtime: Add new helper function: pm_runtime_status_suspended()
PM / Domains: Queue up power off work only if it is not pending
PM / Domains: Improve handling of wakeup devices during system suspend
PM / Domains: Do not restore all devices on power off error
PM / Domains: Allow callbacks to execute all runtime PM helpers
PM / Domains: Do not execute device callbacks under locks
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
* 'for-linus-core' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (38 commits)
target: Bump version to v4.1.0-rc1-ml
target: remove custom hex2bin() implementation
target: fix typo Assoication -> Association
target: Update QUEUE ALGORITHM MODIFIER control page default
target: ->map_task_SG conversion to ->map_control_SG and ->map_data_SG
target: Follow up core updates from AGrover and HCH (round 4)
target: Eliminate usage of struct se_mem
target: Pass 2nd param of transport_split_cdb by value
target: Enforce 1 page max for control cdb buffer sizes
target: Make all control CDBs scatter-gather
target: Implement Block Device Characteristics VPD page
target: Fix reporting of supported VPD pages
target: Allow for built-in target modules
tcm_fc: Convert to wake_up_process and schedule_timeout_interruptible
tcm_fc: Makefile cleanups
loopback: Fix memory leak in tcm_loop_make_scsi_hba()
loopback: Remove duplicate scsi/scsi_tcq.h include
loopback: off by one in tcm_loop_make_naa_tpg()
target/iblock: Remove unused iblock_dev members
target/iblock: Use request_queue->nr_request for se_device defaults
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* 'ptrace' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc: (39 commits)
ptrace: do_wait(traced_leader_killed_by_mt_exec) can block forever
ptrace: fix ptrace_signal() && STOP_DEQUEUED interaction
connector: add an event for monitoring process tracers
ptrace: dont send SIGSTOP on auto-attach if PT_SEIZED
ptrace: mv send-SIGSTOP from do_fork() to ptrace_init_task()
ptrace_init_task: initialize child->jobctl explicitly
has_stopped_jobs: s/task_is_stopped/SIGNAL_STOP_STOPPED/
ptrace: make former thread ID available via PTRACE_GETEVENTMSG after PTRACE_EVENT_EXEC stop
ptrace: wait_consider_task: s/same_thread_group/ptrace_reparented/
ptrace: kill real_parent_is_ptracer() in in favor of ptrace_reparented()
ptrace: ptrace_reparented() should check same_thread_group()
redefine thread_group_leader() as exit_signal >= 0
do not change dead_task->exit_signal
kill task_detached()
reparent_leader: check EXIT_DEAD instead of task_detached()
make do_notify_parent() __must_check, update the callers
__ptrace_detach: avoid task_detached(), check do_notify_parent()
kill tracehook_notify_death()
make do_notify_parent() return bool
ptrace: s/tracehook_tracer_task()/ptrace_parent()/
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (31 commits)
HID: fix support for Microsoft comfort mouse 4500
HID: hid-multitouch: add one new multitouch device's VID/PID
HID: prodikeys: remove a redundant forward declaration of struct pcmidi_snd
HID: prodikeys: make needlessly global symbols static
HID: emsff: properly handle emsff_init failure
HID: ACRUX - add missing hid_hw_stop() in ax_probe() error path
HID: fix horizontal wheel for ms comfort mouse 4500
HID: uclogic: Add support for UC-Logic WP1062
HID: wiimote: Add sysfs support to wiimote driver
HID: wiimote: Cache wiimote led state
HID: wiimote: Add wiimote led request
HID: wiimote: Add wiimote input button parser
HID: wiimote: Add wiimote event handler
HID: wiimote: Add output queue for wiimote driver
HID: wiimote: Add wiimote send function
HID: wiimote: Synchronize wiimote input and hid event handling
HID: wiimote: Register input device in wiimote hid driver
HID: wiimote: Add wiimote device structure
HID: wiimote: Register wiimote hid driver stub
HID: wiimote: Add Nintendo Wii Remote driver stub
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'of-pci' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
pci/of: Consolidate pci_bus_to_OF_node()
pci/of: Consolidate pci_device_to_OF_node()
x86/devicetree: Use generic PCI <-> OF matching
microblaze/pci: Move the remains of pci_32.c to pci-common.c
microblaze/pci: Remove powermac originated cruft
pci/of: Match PCI devices to OF nodes dynamically
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* 'devicetree/next' of git://git.secretlab.ca/git/linux-2.6:
dt: include linux/errno.h in linux/of_address.h
of/address: Add of_find_matching_node_by_address helper
dt: remove extra xsysace platform_driver registration
tty/serial: Add devicetree support for nVidia Tegra serial ports
dt: add empty of_property_read_u32[_array] for non-dt
dt: bindings: move SEC node under new crypto/
dt: add helper function to read u32 arrays
tty/serial: change of_serial to use new of_property_read_u32() api
dt: add 'const' for of_property_read_string parameter **out_string
dt: add helper functions to read u32 and string property values
tty: of_serial: support for 32 bit accesses
dt: document the of_serial bindings
dt/platform: allow device name to be overridden
drivers/amba: create devices from device tree
dt: add of_platform_populate() for creating device from the device tree
dt: Add default match table for bus ids
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* 'spi/next' of git://git.secretlab.ca/git/linux-2.6: (34 commits)
spi/imx: add device tree probe support
spi/imx: copy gpio number passed by platform data into driver private data
spi/imx: use soc name in spi device type naming scheme
spi/imx: merge type SPI_IMX_VER_0_7 into SPI_IMX_VER_0_4
spi/imx: do not use spi_imx2_3 to name SPI_IMX_VER_2_3 function and macro
spi/imx: use mx21 to name SPI_IMX_VER_0_0 function and macro
spi/imx: do not make copy of spi_imx_devtype_data
spi/dw: Add spi number into spi irq desc
spi/tegra: Use engineering names in DT compatible property
spi/fsl_spi: fix CPM spi driver
mach-s3c2410: remove unused spi-gpio.h file
spi: remove obsolete spi-s3c24xx-gpio driver
mach-gta2: remove unused spi-gpio.h include
mach-qt2410: convert to spi_gpio
mach-jive: convert to spi_gpio
spi/pxa2xx: Remove unavailable ssp_type from documentation
spi/bfin_spi: uninline fat queue funcs
spi/bfin_spi: constify pin array
spi/bfin_spi: use structs for accessing hardware regs
spi/topcliff-pch: Support new device ML7223 IOH
...
Fix up trivial conflict in arch/arm/mach-ep93xx/Makefile
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* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6: (61 commits)
gpio/mxc/mxs: fix build error introduced by the irq_gc_ack() renaming
mcp23s08: add i2c support
mcp23s08: isolate spi specific parts
mcp23s08: get rid of setup/teardown callbacks
gpio/tegra: dt: add binding for gpio polarity
mcp23s08: remove unused work queue
gpio/da9052: remove a redundant assignment for gpio->da9052
gpio/mxc: add device tree probe support
ARM: mxc: use ARCH_NR_GPIOS to define gpio number
gpio/mxc: get rid of the uses of cpu_is_mx()
gpio/mxc: add missing initialization of basic_mmio_gpio shadow variables
gpio: Move mpc5200 gpio driver to drivers/gpio
GPIO: DA9052 GPIO module v3
gpio/tegra: Use engineering names in DT compatible property
of/gpio: Add new method for getting gpios under different property names
gpio/dt: Refine GPIO device tree binding
gpio/ml-ioh: fix off-by-one for displaying variable i in dev_err
gpio/pca953x: Deprecate meaningless device-tree bindings
gpio/pca953x: Remove dynamic platform data pointer
gpio/pca953x: Fix IRQ support.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (26 commits)
IB/qib: Defer HCA error events to tasklet
mlx4_core: Bump the driver version to 1.0
RDMA/cxgb4: Use printk_ratelimited() instead of printk_ratelimit()
IB/mlx4: Support PMA counters for IBoE
IB/mlx4: Use flow counters on IBoE ports
IB/pma: Add include file for IBA performance counters definitions
mlx4_core: Add network flow counters
mlx4_core: Fix location of counter index in QP context struct
mlx4_core: Read extended capabilities into the flags field
mlx4_core: Extend capability flags to 64 bits
IB/mlx4: Generate GID change events in IBoE code
IB/core: Add GID change event
RDMA/cma: Don't allow IPoIB port space for IBoE
RDMA: Allow for NULL .modify_device() and .modify_port() methods
IB/qib: Update active link width
IB/qib: Fix potential deadlock with link down interrupt
IB/qib: Add sysfs interface to read free contexts
IB/mthca: Remove unnecessary read of PCI_CAP_ID_EXP
IB/qib: Remove double define
IB/qib: Remove unnecessary read of PCI_CAP_ID_EXP
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: document the sysfs ABIs
firewire: cdev: ABI documentation enhancements
firewire: cdev: prevent race between first get_info ioctl and bus reset event queuing
firewire: cdev: return -ENOTTY for unimplemented ioctls, not -EINVAL
firewire: ohci: skip soft reset retries after card ejection
firewire: ohci: fix PHY reg access after card ejection
firewire: ohci: add a comment on PHY reg access serialization
firewire: ohci: reduce potential context_stop latency
firewire: ohci: remove superfluous posted write flushes
firewire: net: replacing deprecated __attribute__((packed)) with __packed
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1287 commits)
icmp: Fix regression in nexthop resolution during replies.
net: Fix ppc64 BPF JIT dependencies.
acenic: include NET_SKB_PAD headroom to incoming skbs
ixgbe: convert to ndo_fix_features
ixgbe: only enable WoL for magic packet by default
ixgbe: remove ifdef check for non-existent define
ixgbe: Pass staterr instead of re-reading status and error bits from descriptor
ixgbe: Move interrupt related values out of ring and into q_vector
ixgbe: add structure for containing RX/TX rings to q_vector
ixgbe: inline the ixgbe_maybe_stop_tx function
ixgbe: Update ATR to use recorded TX queues instead of CPU for routing
igb: Fix for DH89xxCC near end loopback test
e1000: always call e1000_check_for_link() on e1000_ce4100 MACs.
netxen: add fw version compatibility check
be2net: request native mode each time the card is reset
ipv4: Constrain UFO fragment sizes to multiples of 8 bytes
virtio_net: Fix panic in virtnet_remove
ipv6: make fragment identifications less predictable
ipv6: unshare inetpeers
can: make function can_get_bittiming static
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
lguest: Fix in/out emulation
lguest: Fix translation count about wikipedia's cpuid page
lguest: Fix three simple typos in comments
lguest: update comments
lguest: Simplify device initialization.
lguest: don't rewrite vmcall instructions
lguest: remove remaining vmcall
lguest: use a special 1:1 linear pagetable mode until first switch.
lguest: Do not exit on non-fatal errors
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/pciback: Have 'passthrough' option instead of XEN_PCIDEV_BACKEND_PASS and XEN_PCIDEV_BACKEND_VPCI
xen/pciback: Remove the DEBUG option.
xen/pciback: Drop two backends, squash and cleanup some code.
xen/pciback: Print out the MSI/MSI-X (PIRQ) values
xen/pciback: Don't setup an fake IRQ handler for SR-IOV devices.
xen: rename pciback module to xen-pciback.
xen/pciback: Fine-grain the spinlocks and fix BUG: scheduling while atomic cases.
xen/pciback: Allocate IRQ handler for device that is shared with guest.
xen/pciback: Disable MSI/MSI-X when reseting a device
xen/pciback: guest SR-IOV support for PV guest
xen/pciback: Register the owner (domain) of the PCI device.
xen/pciback: Cleanup the driver based on checkpatch warnings and errors.
xen/pciback: xen pci backend driver.
xen: tmem: self-ballooning and frontswap-selfshrinking
xen: Add module alias to autoload backend drivers
xen: Populate xenbus device attributes
xen: Add __attribute__((format(printf... where appropriate
xen: prepare tmem shim to handle frontswap
xen: allow enable use of VGA console on dom0
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
* 'stable/pci.cleanups.v1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/pci: Use 'acpi_gsi_to_irq' value unconditionally.
xen/pci: Remove 'xen_allocate_pirq_gsi'.
xen/pci: Retire unnecessary #ifdef CONFIG_ACPI
xen/pci: Move the allocation of IRQs when there are no IOAPIC's to the end
xen/pci: Squash pci_xen_initial_domain and xen_setup_pirqs together.
xen/pci: Use the xen_register_pirq for HVM and initial domain users
xen/pci: In xen_register_pirq bind the GSI to the IRQ after the hypercall.
xen/pci: Provide #ifdef CONFIG_ACPI to easy code squashing.
xen/pci: Update comments and fix empty spaces.
xen/pci: Shuffle code around.
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git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (78 commits)
mmc: MAINTAINERS: add myself as a tmio-mmc maintainer
mmc: print debug messages for runtime PM actions
mmc: fix runtime PM with -ENOSYS suspend case
mmc: at91_mci: move register header from include/ to drivers/
mmc: mxs-mmc: fix clock rate setting
mmc: tmio: fix a deadlock
mmc: tmio: fix a recently introduced bug in DMA code
mmc: sh_mmcif: maximize power saving
mmc: tmio: maximize power saving
mmc: tmio: fix recursive spinlock, don't schedule with interrupts disabled
mmc: Added quirks for Ricoh 1180:e823 lower base clock frequency
mmc: omap_hsmmc: fix oops in omap_hsmmc_dma_cb()
mmc: omap_hsmmc: refactor duplicated code
mmc: omap_hsmmc: fix a few bugs when setting the clock divisor
mmc: omap_hsmmc: introduce start_clock and re-use stop_clock
mmc: omap_hsmmc: split duplicate code to calc_divisor() function
mmc: omap_hsmmc: move hardcoded frequency constants to defines
mmc: omap_hsmmc: correct debug report error status mnemonics
mmc: block: fixed NULL pointer dereference
mmc: documentation of mmc non-blocking request usage and design.
...
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* 'linux-next' of git://git.infradead.org/ubi-2.6:
UBI: clarify the volume notification types' doc
UBI: remove dead code
UBI: dump stack when switching to R/O mode
UBI: fix oops in error path
UBI: switch debugging tests knobs to debugfs
UBI: make it possible to use struct ubi_device in debug.h
UBI: prepare debugging stuff to further debugfs conversion
UBI: use debugfs for the extra checks knobs
UBI: change the interface of a debugging check function
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'srp' into for-next
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With ib_qib options:
options ib_qib krcvqs=1 pcie_caps=0x51 rcvhdrcnt=4096 singleport=1 ibmtu=4
a run of ib_write_bw -a yields the following:
------------------------------------------------------------------
#bytes #iterations BW peak[MB/sec] BW average[MB/sec]
1048576 5000 2910.64 229.80
------------------------------------------------------------------
The top cpu use in a profile is:
CPU: Intel Architectural Perfmon, speed 2400.15 MHz (estimated)
Counted CPU_CLK_UNHALTED events (Clock cycles when not halted) with a unit mask
of 0x00 (No unit mask) count 1002300
Counted LLC_MISSES events (Last level cache demand requests from this core that
missed the LLC) with a unit mask of 0x41 (No unit mask) count 10000
samples % samples % app name symbol name
15237 29.2642 964 17.1195 ib_qib.ko qib_7322intr
12320 23.6618 1040 18.4692 ib_qib.ko handle_7322_errors
4106 7.8860 0 0 vmlinux vsnprintf
Analysis of the stats, profile, the code, and the annotated profile indicate:
- All of the overflow interrupts (one per packet overflow) are
serviced on CPU0 with no mitigation on the frequency.
- All of the receive interrupts are being serviced by CPU0. (That is
the way truescale.cmds statically allocates the kctx IRQs to CPU)
- The code is spending all of its time servicing QIB_I_C_ERROR
RcvEgrFullErr interrupts on CPU0, starving the packet receive
processing.
- The decode_err routine is very inefficient, using a printf variant
to format a "%s" and continues to loop when the errs mask has been
cleared.
- Both qib_7322intr and handle_7322_errors read pci registers, which
is very inefficient.
The fix does the following:
- Adds a tasklet to service QIB_I_C_ERROR
- Replaces the very inefficient scnprintf() with a memcpy(). A field
is added to qib_hwerror_msgs to save the sizeof("string") at
compile time so that a strlen is not needed during err_decode().
- The most frequent errors (Overflows) are serviced first to exit the
loop as early as possible.
- The loop now exits as soon as the errs mask is clear rather than
fruitlessly looping through the msp array.
With this fix the performance changes to:
------------------------------------------------------------------
#bytes #iterations BW peak[MB/sec] BW average[MB/sec]
1048576 5000 2990.64 2941.35
------------------------------------------------------------------
During testing of the error handling overflow patch, it was determined
that some CPU's were slower when servicing both overflow and receive
interrupts on CPU0 with different MSI interrupt vectors.
This patch adds an option (krcvq01_no_msi) to not use a dedicated MSI
interrupt for kctx's < 2 and to service them on the default interrupt.
For some CPUs, the cost of the interrupt enter/exit is more costly
than then the additional PCI read in the default handler.
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@qlogic.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
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Add forgotten entry into the global blacklist.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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This patch drops transport_asciihex_to_binaryhex() in favor of proper
hex2bin usage from include/linux/kernel.h:hex2bin()
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Additionally this patch brings proper apply of the designator type.
However, the original code luckily has no bug, because the association
equals to 0.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: James Bottomley <jbottomley@parallels.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch adds the default 'Unrestricted reordering allowed' for SCSI
control mode page QUEUE ALGORITHM MODIFIER on a per se_device basis in
target_modesense_control() following spc4r23. This includes a new
emuluate_rest_reord configfs attribute that currently (only) accepts
zero to signal 'Unrestricted reordering allowed' in control mode page
usage by the backend target device.
Reported-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@risingtidesystems.com>
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This patch breaks up the ->map_task_SG() backend call into two seperate
->map_control_SG() and ->map_data_SG() in order to better address
IBLOCK and pSCSI. IBLOCK only allocates bios for ->map_data_SG(), and
pSCSI will allocate a struct request for both cases.
This patch fixes incorrect usage of ->map_task_SG() for all se_cmd descriptors
in transport_generic_new_cmd() by moving the call into it's proper location
directly inside of transport_allocate_data_tasks()
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch contains the squashed version of forth round series cleanups
from Andy and Christoph following the post heavy lifting in the preceeding:
'Eliminate usage of struct se_mem' and 'Make all control CDBs scatter-gather'
changes. This also includes a conversion of target core and the v3.0
mainline fabric modules (loopback and tcm_fc) to use pr_debug and the
CONFIG_DYNAMIC_DEBUG infrastructure!
These have been squashed into this third and final round for v3.1.
target: Remove ifdeffed code in t_g_process_write
target: Remove direct ramdisk code
target: Rename task_sg_num to task_sg_nents
target: Remove custom debug macros for pr_debug. Use pr_err().
target: Remove custom debug macros in mainline fabrics
target: Set WSNZ=1 in block limits VPD. Abort if WRITE_SAME sectors = 0
target: Remove transport do_se_mem_map callback
target: Further simplify transport_free_pages
target: Redo task allocation return value handling
target: Remove extra parentheses
target: change alloc_task call to take *cdb, not *cmd
(nab: Fix bogus struct file assignments in fd_do_readv and fd_do_writev)
Signed-off-by: Andy Grover <agrover@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Both backstores and fabrics use arrays of struct scatterlist to describe
data buffers. However TCM used struct se_mems, basically a linked list
of scatterlist entries. We are able to simplify the code by eliminating
this intermediate data structure and just using struct scatterlist[]
throughout.
Also, moved attachment of task to cmd out of transport_generic_get_task
and into allocate_control_task and allocate_data_tasks. The reasoning
is that it's nonintuitive that get_task should automatically add it to
the cmd's task list -- it should just return an allocated, initialized
task. That's all it should do, based on the function's name, so either the
function shouldn't do it, or the name should change to encapsulate the
entire essence of what it does.
(nab: Fix compile warnings in tcm_fc, and make transport_kmap_first_data_page
honor sg->offset for SGLs from contigious memory with TCM_Loop, and
fix control se_cmd descriptor memory leak)
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Since sectors is not modified, it's more straightforward to do this.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Due to all cdbs' data buffers being referenced by scatterlists, buffers
of more than a page are not contiguous. Instead of handling this in all
control command handlers, we may be able to get away with just limiting
control cdb data buffers to one page. The only control CDBs we handle that
have potentially large data buffers are REPORT LUNS and UNMAP, so if we
didn't want to live with this limitation, they would need to be modified
to walk the pages in the data buffer's sgl.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Previously, some control CDBs did not allocate memory in pages for their
data buffer, but just did a kmalloc. This patch makes all cdbs allocate
pages.
This has the benefit of streamlining some paths that had to behave
differently when we used two allocation methods. The downside is that
all accesses to the data buffer need to kmap it before use, and need to
handle data in page-sized chunks if more than a page is needed for a given
command's data buffer.
Finally, note that cdbs with no data buffers are handled a little
differently. Before, SCSI_NON_DATA_CDBs would not call get_mem at all
(they'd be in the final else in transport_allocate_resources) but now
these will make it into generic_get_mem, but just not allocate any
buffers.
Signed-off-by: Andy Grover <agrover@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Implement page B1h, Block Device Characteristics, so that we can report
a medium rotation rate of 1 (non-rotating / solid state) if the
is_nonrot device attribute is set; we update the iblock backend to set
this attribute if the underlying Linux block device has its nonrot
flag set.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The current handling of VPD page 00h (Supported VPD Pages) for INQUIRY
commands has a couple of problems:
- The page length field is incorrectly set to 3, so the entry for 86h
(Extended INQUIRY Data) is ignored since it is in the fourth slot.
- Even though the code handles pages B0h and B2h, those pages aren't
mentioned in the Supported VPD Pages list, so eg the Linux SCSI stack
won't actually try to use them.
Fix these problems and make things more robust to avoid future problems
by moving to a table of supported VPD pages, which means that any added
VPD page support will automatically get reported on page 0.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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In target_fabric_configfs_init(), we should allow fabric_mod to be NULL,
since THIS_MODULE is NULL for built-in modules. The main method of
using the target code may be as modules, but having everything built-in
is useful eg to be able to do quick testing with "qemu -kernel".
In any case, we shouldn't bomb out fabric registration for a perfectly
valid configuration, so simply drop the check of fabric_mod.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch converts ft_queue_cmd() to use wake_up_process() and
ft_thread() to use schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT)
instead of wait_event_interruptible(). This fixes a potential race with
the wait_event_interruptible() conditional with qobj->queue_cnt in
ft_thread().
This patch also drops the unnecessary set_user_nice(current, -20) in
ft_thread(), and drops extra () around two if (!(acl)) conditionals in
tfc_conf.c.
Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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This patch removes the unnecessary EXTRA_CFLAGS includes, and drops the
unused -DTCM_FC_DEBUG define.
Reported-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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There is a memory leak in tcm_loop_make_scsi_hba().
If all the strstr() calls return NULL and we end up at return ERR_PTR(-EINVAL);
then we'll be leaking the memory previously allocated to tl_hba as
that variable goes out of scope.
This patch should fix the leak.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This is an off by one 'tgpt' check in tcm_loop_make_naa_tpg() that could result
in memory corruption.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
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ibd_depth and ibd_force are used write-only. Remove them.
ibd_major/minor can be easily retrieved from ibd_bd, so get
rid of them too.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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