Commit graph

423157 commits

Author SHA1 Message Date
Linus Torvalds
4988abf174 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:

 - quite some work on hid-sony driver in order to have DualShock 4
   device properly supported, from Frank Praznik

 - fixed support for suspending I2C conntected devices, from Mika
   Westerberg

 - regression fix for 0xff05 usage on Microsoft Ergonomy, from Jiri
   Kosina

 - support for Synaptics HD touchscreen, from AceLan Kao

 - workaround for USB 3.0 problem for logitech-dj connected devices,
   from Benjamin Tisssoires

 - support for Logitech Dual Action pads, from Vitaly Katraew

 - quite a few other assorted fixes and device ID additions

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (33 commits)
  HID: sony: Use colors for the Dualshock 4 LED names
  HID: sony: Add annotated HID descriptor for the Dualshock 4
  HID: sony: Cache the output report for the Dualshock 4
  HID: sony: Map gyroscopes and accelerometers to axes
  HID: sony: Fix spacing in the device definitions.
  HID: sony: Use standard output reports instead of raw reports to send data to the Dualshock 4.
  HID: sony: Use separate identifiers for USB and Bluetooth connected Dualshock 4 controllers.
  HID: hid-holtek-mouse: add new a070 mouse
  HID: hid-sensor-hub: Fix buggy report descriptors
  HID: logitech-dj: Fix USB 3.0 issue
  HID: sony: Rename worker function
  HID: sony: Add LED controls for the Dualshock 4
  HID: sony: Add force-feedback support for the Dualshock 4
  HID: hidraw: make comment more accurate and nicer
  HID: sony: fix error return code
  HID: input: fix input sysfs path for hid devices
  HID: debug: add labels for some new buttons
  HID: remove SIS entries from hid_have_special_driver[]
  HID: microsoft: no fallthrough in MS ergonomy 0xff05 usage
  HID: add support for SiS multitouch panel in the touch monitor LG 23ET83V
  ...
2014-01-22 20:58:23 -08:00
Linus Torvalds
fe41c2c018 A set of device-mapper changes for 3.14.
A lot of attention was paid to improving the thin-provisioning target's
 handling of metadata operation failures and running out of space.  A new
 'error_if_no_space' feature was added to allow users to error IOs rather
 than queue them when either the data or metadata space is exhausted.
 
 Additional fixes/features include:
 - a few fixes to properly support thin metadata device resizing
 - a solution for reliably waiting for a DM device's embedded kobject to
   be released before destroying the device
 - old dm-snapshot is updated to use the dm-bufio interface to take
   advantage of readahead capabilities that improve snapshot activation
 - new dm-cache target tunables to control how quickly data is promoted
   to the cache (fast) device
 - improved write efficiency of cluster mirror target by combining
   userspace flush and mark requests
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Merge tag 'dm-3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device-mapper changes from Mike Snitzer:
 "A lot of attention was paid to improving the thin-provisioning
  target's handling of metadata operation failures and running out of
  space.  A new 'error_if_no_space' feature was added to allow users to
  error IOs rather than queue them when either the data or metadata
  space is exhausted.

  Additional fixes/features include:
   - a few fixes to properly support thin metadata device resizing
   - a solution for reliably waiting for a DM device's embedded kobject
     to be released before destroying the device
   - old dm-snapshot is updated to use the dm-bufio interface to take
     advantage of readahead capabilities that improve snapshot
     activation
   - new dm-cache target tunables to control how quickly data is
     promoted to the cache (fast) device
   - improved write efficiency of cluster mirror target by combining
     userspace flush and mark requests"

* tag 'dm-3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (35 commits)
  dm log userspace: allow mark requests to piggyback on flush requests
  dm space map metadata: fix bug in resizing of thin metadata
  dm cache: add policy name to status output
  dm thin: fix pool feature parsing
  dm sysfs: fix a module unload race
  dm snapshot: use dm-bufio prefetch
  dm snapshot: use dm-bufio
  dm snapshot: prepare for switch to using dm-bufio
  dm snapshot: use GFP_KERNEL when initializing exceptions
  dm cache: add block sizes and total cache blocks to status output
  dm btree: add dm_btree_find_lowest_key
  dm space map metadata: fix extending the space map
  dm space map common: make sure new space is used during extend
  dm: wait until embedded kobject is released before destroying a device
  dm: remove pointless kobject comparison in dm_get_from_kobject
  dm snapshot: call destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()
  dm cache policy mq: introduce three promotion threshold tunables
  dm cache policy mq: use list_del_init instead of list_del + INIT_LIST_HEAD
  dm thin: fix set_pool_mode exposed pool operation races
  dm thin: eliminate the no_free_space flag
  ...
2014-01-22 20:17:48 -08:00
David S. Miller
7705b10463 Merge branch 'bonding'
Ding Tianhong says:

====================
bonding: fix primary problem for bonding

If the slave's name changed, and the bond params primary is exist,
the bond should deal with the situation in two ways:

1) If the slave was the primary slave yet, clean the primary slave
   and reselect active slave.
2) If the slave's new name is as same as bond primary, set the slave
   as primary slave and reselect active slave.

If the new primary is not matching any slave in the bond, the bond should
record it to params, clean the primary slave and select a new active slave.

Update bonding.txt for primary description.

v2.1->v1: Because there are too many indentions and useless verification, so rewrite
	  the logic for updating the primary slave.
	  Modify some comments for to clean the typos.

v3->v2.1: Veaceslav disagree the first patch and modify the logic for it
	  (bonding: update the primary slave when changing slave's name)
	  and resend it himself (bonding: handle slave's name change with primary_slave logic),
	  so remove the first patch and send the last two patches.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 17:45:39 -08:00
dingtianhong
e1d206a713 bonding: update bonding.txt for primary description
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 17:45:32 -08:00
dingtianhong
c59ab67369 bonding: clean the primary slave if there is no slave matching new primary
If the new primay is not matching any slave in the bond, the bond should
record it to params, clean the primary slave and select a new active slave.

Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 17:45:32 -08:00
Daniel Borkmann
783c146335 net: vxlan: convert to act as a pernet subsystem
As per suggestion from Eric W. Biederman, vxlan should be using
{un,}register_pernet_subsys() instead of {un,}register_pernet_device()
to ensure the vxlan_net structure is initialized before and cleaned
up after all network devices in a given network namespace i.e. when
dealing with network notifiers. This is similarly handeled already in
commit 91e2ff3528 ("net: Teach vlans to cleanup as a pernet subsystem")
and, thus, improves upon fd27e0d44a ("net: vxlan: do not use vxlan_net
before checking event type"). Just as in 91e2ff3528, we do not need
to explicitly handle deletion of vxlan devices as network namespace
exit calls dellink on all remaining virtual devices, and
rtnl_link_unregister() calls dellink on all outstanding devices in that
network namespace, so we can entirely drop the pernet exit operation
as well. Moreover, on vxlan module exit, rcu_barrier() is called by
netns since commit 3a765edadb ("netns: Add an explicit rcu_barrier
to unregister_pernet_{device|subsys}"), so this may be omitted. Tested
with various scenarios and works well on my side.

Suggested-by: Eric W. Biederman <ebiederm@xmission.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 17:43:38 -08:00
Harry Mason
29824310ce sch_htb: let skb->priority refer to non-leaf class
If the class in skb->priority is not a leaf, apply filters from the
selected class, not the qdisc. This lets netfilter or user space
partially classify the packet.

Signed-off-by: Harry Mason <harry.mason@smoothwall.net>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 17:39:48 -08:00
Neil Horman
2d36097d26 af_packet: Add Queue mapping mode to af_packet fanout operation
This patch adds a queue mapping mode to the fanout operation of af_packet
sockets.  This allows user space af_packet users to better filter on flows
ingressing and egressing via a specific hardware queue, and avoids the potential
packet reordering that can occur when FANOUT_CPU is being used and irq affinity
varies.

Tested successfully by myself.  applies to net-next

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 17:35:50 -08:00
Linus Torvalds
194e57fd18 SCSI for-linus on 20140122
This patch set is a lot of driver updates for qla4xxx, bfa, hpsa, qla2xxx.  It
 also removes the aic7xxx_old driver (which has been deprecated for nearly a
 decade) and adds support for deadlines in error handling.
 
 Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI updates from James Bottomley:
 "This patch set is a lot of driver updates for qla4xxx, bfa, hpsa,
  qla2xxx.  It also removes the aic7xxx_old driver (which has been
  deprecated for nearly a decade) and adds support for deadlines in
  error handling"

* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (75 commits)
  [SCSI] hpsa: allow SCSI mid layer to handle unit attention
  [SCSI] hpsa: do not require board "not ready" status after hard reset
  [SCSI] hpsa: enable unit attention reporting
  [SCSI] hpsa: rename scsi prefetch field
  [SCSI] hpsa: use workqueue instead of kernel thread for lockup detection
  [SCSI] ipr: increase dump size in ipr driver
  [SCSI] mac_scsi: Fix crash on out of memory
  [SCSI] st: fix enlarge_buffer
  [SCSI] qla1280: Annotate timer on stack so object debug does not complain
  [SCSI] qla4xxx: Update driver version to 5.04.00-k3
  [SCSI] qla4xxx: Recreate chap data list during get chap operation
  [SCSI] qla4xxx: Add support for ISCSI_PARAM_LOCAL_IPADDR sysfs attr
  [SCSI] libiscsi: Add local_ipaddr parameter in iscsi_conn struct
  [SCSI] scsi_transport_iscsi: Export ISCSI_PARAM_LOCAL_IPADDR attr for iscsi_connection
  [SCSI] qla4xxx: Add host statistics support
  [SCSI] scsi_transport_iscsi: Add host statistics support
  [SCSI] qla4xxx: Added support for Diagnostics MBOX command
  [SCSI] bfa: Driver version upgrade to 3.2.23.0
  [SCSI] bfa: change FC_ELS_TOV to 20sec
  [SCSI] bfa: Observed auto D-port mode instead of manual
  ...
2014-01-22 17:32:26 -08:00
Linus Torvalds
e1ba84597c PCI changes for the v3.14 merge window:
Resource management
     - Change pci_bus_region addresses to dma_addr_t (Bjorn Helgaas)
     - Support 64-bit AGP BARs (Bjorn Helgaas, Yinghai Lu)
     - Add pci_bus_address() to get bus address of a BAR (Bjorn Helgaas)
     - Use pci_resource_start() for CPU address of AGP BARs (Bjorn Helgaas)
     - Enforce bus address limits in resource allocation (Yinghai Lu)
     - Allocate 64-bit BARs above 4G when possible (Yinghai Lu)
     - Convert pcibios_resource_to_bus() to take pci_bus, not pci_dev (Yinghai Lu)
 
   PCI device hotplug
     - Major rescan/remove locking update (Rafael J. Wysocki)
     - Make ioapic builtin only (not modular) (Yinghai Lu)
     - Fix release/free issues (Yinghai Lu)
     - Clean up pciehp (Bjorn Helgaas)
     - Announce pciehp slot info during enumeration (Bjorn Helgaas)
 
   MSI
     - Add pci_msi_vec_count(), pci_msix_vec_count() (Alexander Gordeev)
     - Add pci_enable_msi_range(), pci_enable_msix_range() (Alexander Gordeev)
     - Deprecate "tri-state" interfaces: fail/success/fail+info (Alexander Gordeev)
     - Export MSI mode using attributes, not kobjects (Greg Kroah-Hartman)
     - Drop "irq" param from *_restore_msi_irqs() (DuanZhenzhong)
 
   SR-IOV
     - Clear NumVFs when disabling SR-IOV in sriov_init() (ethan.zhao)
 
   Virtualization
     - Add support for save/restore of extended capabilities (Alex Williamson)
     - Add Virtual Channel to save/restore support (Alex Williamson)
     - Never treat a VF as a multifunction device (Alex Williamson)
     - Add pci_try_reset_function(), et al (Alex Williamson)
 
   AER
     - Ignore non-PCIe error sources (Betty Dall)
     - Support ACPI HEST error sources for domains other than 0 (Betty Dall)
     - Consolidate HEST error source parsers (Bjorn Helgaas)
     - Add a TLP header print helper (Borislav Petkov)
 
   Freescale i.MX6
     - Remove unnecessary code (Fabio Estevam)
     - Make reset-gpio optional (Marek Vasut)
     - Report "link up" only after link training completes (Marek Vasut)
     - Start link in Gen1 before negotiating for Gen2 mode (Marek Vasut)
     - Fix PCIe startup code (Richard Zhu)
 
   Marvell MVEBU
     - Remove duplicate of_clk_get_by_name() call (Andrew Lunn)
     - Drop writes to bridge Secondary Status register (Jason Gunthorpe)
     - Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits (Jason Gunthorpe)
     - Support a bridge with no IO port window (Jason Gunthorpe)
     - Use max_t() instead of max(resource_size_t,) (Jingoo Han)
     - Remove redundant of_match_ptr (Sachin Kamat)
     - Call pci_ioremap_io() at startup instead of dynamically (Thomas Petazzoni)
 
   NVIDIA Tegra
     - Disable Gen2 for Tegra20 and Tegra30 (Eric Brower)
 
   Renesas R-Car
     - Add runtime PM support (Valentine Barshak)
     - Fix rcar_pci_probe() return value check (Wei Yongjun)
 
   Synopsys DesignWare
     - Fix crash in dw_msi_teardown_irq() (Bjørn Erik Nilsen)
     - Remove redundant call to pci_write_config_word() (Bjørn Erik Nilsen)
     - Fix missing MSI IRQs (Harro Haan)
     - Add dw_pcie prefix before cfg_read/write (Pratyush Anand)
     - Fix I/O transfers by using CPU (not realio) address (Pratyush Anand)
     - Whitespace cleanup (Jingoo Han)
 
   EISA
     - Call put_device() if device_register() fails (Levente Kurusa)
     - Revert EISA initialization breakage ((Bjorn Helgaas)
 
   Miscellaneous
     - Remove unused code, including PCIe 3.0 interfaces (Stephen Hemminger)
     - Prevent bus conflicts while checking for bridge apertures (Bjorn Helgaas)
     - Stop clearing bridge Secondary Status when setting up I/O aperture (Bjorn Helgaas)
     - Use dev_is_pci() to identify PCI devices (Yijing Wang)
     - Deprecate DEFINE_PCI_DEVICE_TABLE (Joe Perches)
     - Update documentation 00-INDEX (Erik Ekman)
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Merge tag 'pci-v3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI updates from Bjorn Helgaas:
 "PCI changes for the v3.14 merge window:

  Resource management
    - Change pci_bus_region addresses to dma_addr_t (Bjorn Helgaas)
    - Support 64-bit AGP BARs (Bjorn Helgaas, Yinghai Lu)
    - Add pci_bus_address() to get bus address of a BAR (Bjorn Helgaas)
    - Use pci_resource_start() for CPU address of AGP BARs (Bjorn Helgaas)
    - Enforce bus address limits in resource allocation (Yinghai Lu)
    - Allocate 64-bit BARs above 4G when possible (Yinghai Lu)
    - Convert pcibios_resource_to_bus() to take pci_bus, not pci_dev (Yinghai Lu)

  PCI device hotplug
    - Major rescan/remove locking update (Rafael J. Wysocki)
    - Make ioapic builtin only (not modular) (Yinghai Lu)
    - Fix release/free issues (Yinghai Lu)
    - Clean up pciehp (Bjorn Helgaas)
    - Announce pciehp slot info during enumeration (Bjorn Helgaas)

  MSI
    - Add pci_msi_vec_count(), pci_msix_vec_count() (Alexander Gordeev)
    - Add pci_enable_msi_range(), pci_enable_msix_range() (Alexander Gordeev)
    - Deprecate "tri-state" interfaces: fail/success/fail+info (Alexander Gordeev)
    - Export MSI mode using attributes, not kobjects (Greg Kroah-Hartman)
    - Drop "irq" param from *_restore_msi_irqs() (DuanZhenzhong)

  SR-IOV
    - Clear NumVFs when disabling SR-IOV in sriov_init() (ethan.zhao)

  Virtualization
    - Add support for save/restore of extended capabilities (Alex Williamson)
    - Add Virtual Channel to save/restore support (Alex Williamson)
    - Never treat a VF as a multifunction device (Alex Williamson)
    - Add pci_try_reset_function(), et al (Alex Williamson)

  AER
    - Ignore non-PCIe error sources (Betty Dall)
    - Support ACPI HEST error sources for domains other than 0 (Betty Dall)
    - Consolidate HEST error source parsers (Bjorn Helgaas)
    - Add a TLP header print helper (Borislav Petkov)

  Freescale i.MX6
    - Remove unnecessary code (Fabio Estevam)
    - Make reset-gpio optional (Marek Vasut)
    - Report "link up" only after link training completes (Marek Vasut)
    - Start link in Gen1 before negotiating for Gen2 mode (Marek Vasut)
    - Fix PCIe startup code (Richard Zhu)

  Marvell MVEBU
    - Remove duplicate of_clk_get_by_name() call (Andrew Lunn)
    - Drop writes to bridge Secondary Status register (Jason Gunthorpe)
    - Obey bridge PCI_COMMAND_MEM and PCI_COMMAND_IO bits (Jason Gunthorpe)
    - Support a bridge with no IO port window (Jason Gunthorpe)
    - Use max_t() instead of max(resource_size_t,) (Jingoo Han)
    - Remove redundant of_match_ptr (Sachin Kamat)
    - Call pci_ioremap_io() at startup instead of dynamically (Thomas Petazzoni)

  NVIDIA Tegra
    - Disable Gen2 for Tegra20 and Tegra30 (Eric Brower)

  Renesas R-Car
    - Add runtime PM support (Valentine Barshak)
    - Fix rcar_pci_probe() return value check (Wei Yongjun)

  Synopsys DesignWare
    - Fix crash in dw_msi_teardown_irq() (Bjørn Erik Nilsen)
    - Remove redundant call to pci_write_config_word() (Bjørn Erik Nilsen)
    - Fix missing MSI IRQs (Harro Haan)
    - Add dw_pcie prefix before cfg_read/write (Pratyush Anand)
    - Fix I/O transfers by using CPU (not realio) address (Pratyush Anand)
    - Whitespace cleanup (Jingoo Han)

  EISA
    - Call put_device() if device_register() fails (Levente Kurusa)
    - Revert EISA initialization breakage ((Bjorn Helgaas)

  Miscellaneous
    - Remove unused code, including PCIe 3.0 interfaces (Stephen Hemminger)
    - Prevent bus conflicts while checking for bridge apertures (Bjorn Helgaas)
    - Stop clearing bridge Secondary Status when setting up I/O aperture (Bjorn Helgaas)
    - Use dev_is_pci() to identify PCI devices (Yijing Wang)
    - Deprecate DEFINE_PCI_DEVICE_TABLE (Joe Perches)
    - Update documentation 00-INDEX (Erik Ekman)"

* tag 'pci-v3.14-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (119 commits)
  Revert "EISA: Initialize device before its resources"
  Revert "EISA: Log device resources in dmesg"
  vfio-pci: Use pci "try" reset interface
  PCI: Check parent kobject in pci_destroy_dev()
  xen/pcifront: Use global PCI rescan-remove locking
  powerpc/eeh: Use global PCI rescan-remove locking
  PCI: Fix pci_check_and_unmask_intx() comment typos
  PCI: Add pci_try_reset_function(), pci_try_reset_slot(), pci_try_reset_bus()
  MPT / PCI: Use pci_stop_and_remove_bus_device_locked()
  platform / x86: Use global PCI rescan-remove locking
  PCI: hotplug: Use global PCI rescan-remove locking
  pcmcia: Use global PCI rescan-remove locking
  ACPI / hotplug / PCI: Use global PCI rescan-remove locking
  ACPI / PCI: Use global PCI rescan-remove locking in PCI root hotplug
  PCI: Add global pci_lock_rescan_remove()
  PCI: Cleanup pci.h whitespace
  PCI: Reorder so actual code comes before stubs
  PCI/AER: Support ACPI HEST AER error sources for PCI domains other than 0
  ACPICA: Add helper macros to extract bus/segment numbers from HEST table.
  PCI: Make local functions static
  ...
2014-01-22 16:39:28 -08:00
Linus Torvalds
60eaa0190f This pull request has a new feature to ftrace, namely the trace event
triggers by Tom Zanussi. A trigger is a way to enable an action when an
 event is hit. The actions are:
 
  o  trace on/off - enable or disable tracing
  o  snapshot     - save the current trace buffer in the snapshot
  o  stacktrace   - dump the current stack trace to the ringbuffer
  o  enable/disable events - enable or disable another event
 
 Namhyung Kim added updates to the tracing uprobes code. Having the
 uprobes add support for fetch methods.
 
 The rest are various bug fixes with the new code, and minor ones for
 the old code.
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Merge tag 'trace-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing updates from Steven Rostedt:
 "This pull request has a new feature to ftrace, namely the trace event
  triggers by Tom Zanussi.  A trigger is a way to enable an action when
  an event is hit.  The actions are:

   o  trace on/off - enable or disable tracing
   o  snapshot     - save the current trace buffer in the snapshot
   o  stacktrace   - dump the current stack trace to the ringbuffer
   o  enable/disable events - enable or disable another event

  Namhyung Kim added updates to the tracing uprobes code.  Having the
  uprobes add support for fetch methods.

  The rest are various bug fixes with the new code, and minor ones for
  the old code"

* tag 'trace-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (38 commits)
  tracing: Fix buggered tee(2) on tracing_pipe
  tracing: Have trace buffer point back to trace_array
  ftrace: Fix synchronization location disabling and freeing ftrace_ops
  ftrace: Have function graph only trace based on global_ops filters
  ftrace: Synchronize setting function_trace_op with ftrace_trace_function
  tracing: Show available event triggers when no trigger is set
  tracing: Consolidate event trigger code
  tracing: Fix counter for traceon/off event triggers
  tracing: Remove double-underscore naming in syscall trigger invocations
  tracing/kprobes: Add trace event trigger invocations
  tracing/probes: Fix build break on !CONFIG_KPROBE_EVENT
  tracing/uprobes: Add @+file_offset fetch method
  uprobes: Allocate ->utask before handler_chain() for tracing handlers
  tracing/uprobes: Add support for full argument access methods
  tracing/uprobes: Fetch args before reserving a ring buffer
  tracing/uprobes: Pass 'is_return' to traceprobe_parse_probe_arg()
  tracing/probes: Implement 'memory' fetch method for uprobes
  tracing/probes: Add fetch{,_size} member into deref fetch method
  tracing/probes: Move 'symbol' fetch method to kprobes
  tracing/probes: Implement 'stack' fetch method for uprobes
  ...
2014-01-22 16:35:21 -08:00
David S. Miller
b414ac9a3e Merge branch 'bonding_option_api'
Nikolay Aleksandrov says:

====================
bonding: introduce new option API

This patchset's goal is to introduce a new option API which should be used
to properly describe the bonding options with their mode dependcies and
requirements. With this patchset applied we get centralized option
manipulation, automatic RTNL acquire per option setting, automatic option
range checking, mode dependcy checking and other various flags which are
described in detail in patch 01's commit message and comments.
Also the parameter passing is changed to use a specialized structure which
is initialized to a value depending on the needs.
The main exported functions are:
 __bond_opt_set() - set an option (RTNL should be acquired prior)
 bond_opt_init(val|str) - init a bond_opt_value struct for value or string
                          parameter passing
 bond_opt_tryset_rtnl() - function which tries to acquire rtnl, mainly used
                          for sysfs
 bond_opt_parse - used to parse or check for valid values
 bond_opt_get - retrieve a pointer to bond_option struct for some option
 bond_opt_get_val - retrieve a pointer to a bond_opt_value struct for
                    some value

The same functions are used to set an option via sysfs and netlink, just
the parameter that's passed is usually initialized in a different way.
The converted options have multiple style fixes, there're some longer
lines but they looked either ugly or were strings/pr_warnings, if you
think some line would be better broken just let me know :-) there're
also a few sscanf false-positive warnings.
I decided to keep the "unsuppmodes" way of mode dep checking since it's
straight forward, if we make a more general way for checking dependencies
it'll be easy to change it.

Future plans for this work include:
 - Automatic sysfs generation from the bond_opts[].
 - Use of the API in bond_check_params() and thus cleaning it up (this has
   actually started, I'll take care of the rest in a separate patch)
 - Clean up all option-unrelated files of option definitions and functions

I've tried to leave as much documentation as possible, if there's anything
unclear please let me know. One more thing, I haven't moved all
option-related functions from bonding.h to the new bond_options.h, this
will be done in a separate patch, it's in my todo list.

This patchset has been tested by setting each converted option via sysfs
and netlink to a couple of wrong values, a couple of correct values and
some random values, also for the opts that have flags they have been
tested as well.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:39:18 -08:00
Nikolay Aleksandrov
0e2e5b66e9 bonding: convert slaves to use the new option API
This patch adds the necessary changes so slaves would use
the new bonding option API. Also move the option to its own set function
in bond_options.c and fix some style errors.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:44 -08:00
Nikolay Aleksandrov
4325b374f8 bonding: convert lp_interval to use the new option API
This patch adds the necessary changes so lp_interval would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:44 -08:00
Nikolay Aleksandrov
105c8fb6c5 bonding: convert resend_igmp to use the new option API
This patch adds the necessary changes so resend_igmp would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:44 -08:00
Nikolay Aleksandrov
3df0116251 bonding: convert all_slaves_active to use the new option API
This patch adds the necessary changes so all_slaves_active would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:44 -08:00
Nikolay Aleksandrov
24089ba102 bonding: convert queue_id to use the new option API
This patch adds the necessary changes so queue_id would use
the new bonding option API. Also move it to its own set function in
bond_options.c and fix some style errors.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:44 -08:00
Nikolay Aleksandrov
d1fbd3ed93 bonding: convert active_slave to use the new option API
This patch adds the necessary changes so active_slave would use
the new bonding option API. Also some trivial/style fixes.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:44 -08:00
Nikolay Aleksandrov
0fff060877 bonding: convert use_carrier to use the new option API
This patch adds the necessary changes so use_carrier would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:43 -08:00
Nikolay Aleksandrov
388d3a6d4a bonding: convert primary_reselect to use the new option API
This patch adds the necessary changes so primary_reselect would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:43 -08:00
Nikolay Aleksandrov
180222f088 bonding: convert primary to use the new option API
This patch adds the necessary changes so primary would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:43 -08:00
Nikolay Aleksandrov
b98d9c66e1 bonding: convert miimon to use the new option API
This patch adds the necessary changes so miimon would use
the new bonding option API. The "default" definition has been removed as
it was 0.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:43 -08:00
Nikolay Aleksandrov
ef56becbb3 bonding: convert num_peer_notif to use the new option API
This patch adds the necessary changes so num_peer_notif would use
the new bonding option API.
When the auto-sysfs generation is done an alias should be added for
this option as there're currently 2 entries in sysfs for it.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:43 -08:00
Nikolay Aleksandrov
9e5f5eebe7 bonding: convert ad_select to use the new option API
This patch adds the necessary changes so ad_select would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:43 -08:00
Nikolay Aleksandrov
633ddc9e9b bonding: convert min_links to use the new option API
This patch adds the necessary changes so min_links would use
the new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:43 -08:00
Nikolay Aleksandrov
d3131de76b bonding: convert lacp_rate to use the new option API
This patch adds the necessary changes so lacp_rate would use
the new bonding option API. Also some trivial/style error fixes.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
e499461275 bonding: convert updelay to use the new option API
This patch adds the necessary changes so updelay would use
the new bonding option API. Also some trivial style fixes.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
25a9b54a4b bonding: convert downdelay to use the new option API
This patch adds the necessary changes so downdelay would use
the new bonding option API. Also some trivial style fixes.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
4fb0ef585e bonding: convert arp_ip_target to use the new option API
This patch adds the necessary changes so arp_ip_target would use
the new bonding option API. This option is an exception because of
the way it's currently implemented that's why its netlink code is
a bit different from the other options to keep the functionality as
before and at the same time to have a single set function.

This patch also fixes a few stylistic errors.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
7bdb04ed0d bonding: convert arp_interval to use the new option API
This patch adds the necessary changes so arp_interval would use
the new bonding option API. The "default" definition has been removed as
it was 0.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
1df6b6aa33 bonding: convert fail_over_mac to use the new option API
This patch adds the necessary changes so fail_over_mac would use
the new bonding option API. Also fixes a trivial copy/paste error in
bond_check_params where the wrong variable was used for the error msg.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
edf36b24c5 bonding: convert arp_all_targets to use the new option API
This patch adds the necessary changes so arp_all_targets would use the
new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
162288810c bonding: convert arp_validate to use the new option API
This patch adds the necessary changes so arp_validate would use the
new bonding option API. Also fix some trivial/style errors.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:42 -08:00
Nikolay Aleksandrov
a4b32ce7f8 bonding: convert xmit_hash_policy to use the new option API
This patch adds the necessary changes so xmit_hash_policy would use the
new bonding option API. Also fix some trivial/style errors.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:41 -08:00
Nikolay Aleksandrov
aa59d8517d bonding: convert packets_per_slave to use the new option API
This patch adds the necessary changes so packets_per_slave would use the
new bonding option API.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:41 -08:00
Nikolay Aleksandrov
2b3798d5e1 bonding: convert mode setting to use the new option API
This patch makes the bond's mode setting use the new option API and
adds support for dependency printing which relies on having an entry for
the mode option in the bond_opts[] array.
Also add the ability to print the mode name when mode dependency fails
and fix some trivial/style errors.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:41 -08:00
Nikolay Aleksandrov
0911736245 bonding: add infrastructure for an option API
This patch adds the necessary basic infrastructure to support
centralized and unified option manipulation API for the bonding. The new
structure bond_option will be used to describe each option with its
dependencies on modes which will be checked automatically thus removing a
lot of duplicated code. Also automatic range checking is added for
some options. Currently the option setting function requires RTNL to
be acquired prior to calling it, since many options already rely on RTNL
it seemed like the best choice to protect all against common race
conditions.
In order to add an option the following steps need to be done:
1. Add an entry BOND_OPT_<option> to bond_options.h so it gets a unique id
   and a bit corresponding to the id
2. Add a bond_option entry to the bond_opts[] array in bond_options.c which
   describes the option, its dependencies and its manipulation function
3. Add code to export the option through sysfs and/or as a module parameter
   (the sysfs export will be made automatically in the future)

The options can have different flags set, currently the following are
supported:
BOND_OPTFLAG_NOSLAVES - require that the bond device has no slaves prior
                        to setting the option
BOND_OPTFLAG_IFDOWN - require that the bond device is down prior to
                      setting the option
BOND_OPTFLAG_RAWVAL - don't parse the value but return it raw for the
                      option to parse

There's a new value structure to describe different types of values
which can have the following flags:
BOND_VALFLAG_DEFAULT - marks the default option (permanent string alias
                       to this option is "default")
BOND_VALFLAG_MIN - the minimum value that this option can have
BOND_VALFLAG_MAX - the maximum value that this option can have

An example would be nice here, so if we have an option which can have
the values "off"(2), "special"(4, default) and supports a range, say
16 - 32, it should be defined as follows:
"off", 2,
"special", 4, BOND_VALFLAG_DEFAULT,
"rangemin", 16, BOND_VALFLAG_MIN,
"rangemax", 32, BOND_VALFLAG_MAX
So we have the valid intervals: [2, 2], [4, 4], [16, 32]
Also the valid strings: "off" = 2, "special" and "default" = 4
                        "rangemin" = 16, "rangemax" = 32

BOND_VALFLAG_(MIN|MAX) can be used to specify a valid range for an
option, if MIN is omitted then 0 is considered as a minimum. If an
exact match is found in the values[] table it will be returned,
otherwise the range is tried (if available).

The option parameter passing is done by using a special structure called
bond_opt_value which can take either a string or a value to parse. One
of the bond_opt_init(val|str) macros should be used depending on which
one does the user want to parse (string or value). Then a call to
__bond_opt_set should be done under RTNL.

Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-22 15:38:41 -08:00
Eric W. Biederman
f58437f1f9 MIPS: VPE: Remove vpe_getuid and vpe_getgid
The linux build-bot recently reported a build error in arch/mips/kernel/vpe.c

     tree:   git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git for-linus
     head:   261000a56b
     commit: 261000a56b [4/4] userns:  userns: Remove UIDGID_STRICT_TYPE_CHECKS
     config: make ARCH=mips maltaaprp_defconfig

     All error/warnings:

        arch/mips/kernel/vpe.c: In function 'vpe_open':
     >> arch/mips/kernel/vpe.c:1086:9: error: incompatible types when assigning to type 'unsigned int' from type 'kuid_t'
     >> arch/mips/kernel/vpe.c:1087:9: error: incompatible types when assigning to type 'unsigned int' from type 'kgid_t'

     vim +1086 arch/mips/kernel/vpe.c

     863abad4 Jesper Juhl   2010-10-30  1080			return -ENOMEM;
     863abad4 Jesper Juhl   2010-10-30  1081  		}
     e01402b1 Ralf Baechle  2005-07-14  1082  		v->plen = P_SIZE;
     e01402b1 Ralf Baechle  2005-07-14  1083  		v->load_addr = NULL;
     e01402b1 Ralf Baechle  2005-07-14  1084  		v->len = 0;
     e01402b1 Ralf Baechle  2005-07-14  1085
     d76b0d9b David Howells 2008-11-14 @1086		v->uid = filp->f_cred->fsuid;
     d76b0d9b David Howells 2008-11-14 @1087  		v->gid = filp->f_cred->fsgid;
     2600990e Ralf Baechle  2006-04-05  1088
     2600990e Ralf Baechle  2006-04-05  1089		v->cwd[0] = 0;
     2600990e Ralf Baechle  2006-04-05  1090 	 	ret = getcwd(v->cwd, VPE_PATH_MAX);

When examining the code to see what v->uid and v->gid were used for I
discovered that the only users in the kernel are vpe_getuid and
vpe_getgid, and that vpe_getuid and vpe_getgid are never called.

So instead of proposing a conversion to use kuid_t and kgid_t instead
of unsigned int/int as I normally would let's just kill this dead code
so no one has to worry about it further.

Deng-Cheng Zhu said:

This is a good catch. vpe_get[u|g]id was originally used by KSPD which
has been removed.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Reviewed-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2014-01-22 15:20:46 -08:00
Jaegeuk Kim
bf39c00a9a f2fs: drop obsolete node page when it is truncated
If a node page is trucated, we'd better drop the page in the node_inode's page
cache for better memory footprint.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2014-01-23 08:04:21 +09:00
Andrew Gallagher
7678ac5061 fuse: support clients that don't implement 'open'
open/release operations require userspace transitions to keep track
of the open count and to perform any FS-specific setup.  However,
for some purely read-only FSs which don't need to perform any setup
at open/release time, we can avoid the performance overhead of
calling into userspace for open/release calls.

This patch adds the necessary support to the fuse kernel modules to prevent
open/release operations from hitting in userspace. When the client returns
ENOSYS, we avoid sending the subsequent release to userspace, and also
remember this so that future opens also don't trigger a userspace
operation.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-01-22 19:36:59 +01:00
Andrew Gallagher
451418fc92 fuse: don't invalidate attrs when not using atime
Various read operations (e.g. readlink, readdir) invalidate the cached
attrs for atime changes.  This patch adds a new function
'fuse_invalidate_atime', which checks for a read-only super block and
avoids the attr invalidation in that case.

Signed-off-by: Andrew Gallagher <andrewjcg@fb.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-01-22 19:36:58 +01:00
Miklos Szeredi
063ec1e595 fuse: fix SetPageUptodate() condition in STORE
As noticed by Coverity the "num != 0" condition never triggers.  Instead it
should check for a complete page.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-01-22 19:36:58 +01:00
Miklos Szeredi
28a625cbc2 fuse: fix pipe_buf_operations
Having this struct in module memory could Oops when if the module is
unloaded while the buffer still persists in a pipe.

Since sock_pipe_buf_ops is essentially the same as fuse_dev_pipe_buf_steal
merge them into nosteal_pipe_buf_ops (this is the same as
default_pipe_buf_ops except stealing the page from the buffer is not
allowed).

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Cc: stable@vger.kernel.org
2014-01-22 19:36:57 +01:00
James Bottomley
4b1a9a5e40 Merge branch 'misc' into for-linus 2014-01-22 09:57:27 -08:00
Jiri Kosina
62813858fb Merge branches 'for-3.13/upstream-fixes', 'for-3.14/i2c-hid', 'for-3.14/sensor-hub', 'for-3.14/sony' and 'for-3.14/upstream' into for-linus 2014-01-22 15:40:14 +01:00
Jaegeuk Kim
4ef51a8fcc f2fs: introduce NODE_MAPPING for code consistency
This patch adds NODE_MAPPING which is similar as META_MAPPING introduced by
Gu Zheng.

Cc: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2014-01-22 18:41:08 +09:00
Gu Zheng
63f5384c9a f2fs: remove the orphan block page array
As the orphan_blocks may be max to 504, so it is not security
and rigorous to store such a large array in the kernel stack
as Dan Carpenter said.
In fact, grab_meta_page has locked the page in the page cache,
and we can use find_get_page() to fetch the page safely in the
downstream, so we can remove the page array directly.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2014-01-22 18:41:08 +09:00
Gu Zheng
9df27d982d f2fs: add help function META_MAPPING
Introduce help function META_MAPPING() to get the cache meta blocks'
address space.

Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2014-01-22 18:41:07 +09:00
Jaegeuk Kim
e8dae60458 f2fs: move a branch for code redability
This patch moves a function in f2fs_delete_entry for code readability.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2014-01-22 18:41:07 +09:00
Jaegeuk Kim
a18ff06340 f2fs: call mark_inode_dirty to flush dirty pages
If a dentry page is updated, we should call mark_inode_dirty to add the inode
into the dirty list, so that its dentry pages are flushed to the disk.
Otherwise, the inode can be evicted without flush.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
2014-01-22 18:40:34 +09:00