Commit Graph

294798 Commits

Author SHA1 Message Date
Linus Torvalds
475c77edf8 Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
Pull PCI changes (including maintainer change) from Jesse Barnes:
 "This pull has some good cleanups from Bjorn and Yinghai, as well as
  some more code from Yinghai to better handle resource re-allocation
  when enabled.

  There's also a new initcall_debug feature from Arjan which will print
  out quirk timing information to help identify slow quirks for fixing
  or refinement (Yinghai sent in a few patches to do just that once the
  new debug code landed).

  Beyond that, I'm handing off PCI maintainership to Bjorn Helgaas.
  He's been a core PCI and Linux contributor for some time now, and has
  kindly volunteered to take over.  I just don't feel I have the time
  for PCI review and work that it deserves lately (I've taken on some
  other projects), and haven't been as responsive lately as I'd like, so
  I approached Bjorn asking if he'd like to manage things.  He's going
  to give it a try, and I'm confident he'll do at least as well as I
  have in keeping the tree managed, patches flowing, and keeping things
  stable."

Fix up some fairly trivial conflicts due to other cleanups (mips device
resource fixup cleanups clashing with list handling cleanup, ppc iseries
removal clashing with pci_probe_only cleanup etc)

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: (112 commits)
  PCI: Bjorn gets PCI hotplug too
  PCI: hand PCI maintenance over to Bjorn Helgaas
  unicore32/PCI: move <asm-generic/pci-bridge.h> include to asm/pci.h
  sparc/PCI: convert devtree and arch-probed bus addresses to resource
  powerpc/PCI: allow reallocation on PA Semi
  powerpc/PCI: convert devtree bus addresses to resource
  powerpc/PCI: compute I/O space bus-to-resource offset consistently
  arm/PCI: don't export pci_flags
  PCI: fix bridge I/O window bus-to-resource conversion
  x86/PCI: add spinlock held check to 'pcibios_fwaddrmap_lookup()'
  PCI / PCIe: Introduce command line option to disable ARI
  PCI: make acpihp use __pci_remove_bus_device instead
  PCI: export __pci_remove_bus_device
  PCI: Rename pci_remove_behind_bridge to pci_stop_and_remove_behind_bridge
  PCI: Rename pci_remove_bus_device to pci_stop_and_remove_bus_device
  PCI: print out PCI device info along with duration
  PCI: Move "pci reassigndev resource alignment" out of quirks.c
  PCI: Use class for quirk for usb host controller fixup
  PCI: Use class for quirk for ti816x class fixup
  PCI: Use class for quirk for intel e100 interrupt fixup
  ...
2012-03-23 14:02:12 -07:00
Linus Torvalds
934e18b5cb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) L2TP doesn't get autoloaded when you try to open an L2TP socket due
    to a missing module alias, fix from Benjamin LaHaise.

 2) Netlabel and RDS should propagate gfp flags given to them by
    callers, fixes from Dan Carpeneter.

 3) Recursive locking fix in usbnet wasn't bulletproof and can result in
    objects going away mid-flight due to races, fix from Ming Lei.

 4) Fix up some confusion about a bool module parameter in netfilter's
    iptable_filter and ip6table_filter, from Rusty Russell.

 5) If SKB recycling is used via napi_reuse_skb() we end up with
    different amounts of headroom reserved than we had at the original
    SKB allocation.  Fix from Eric Dumazet.

 6) Fix races in TG3 driver ring refilling, from Michael Chan.

 7) We have callbacks for IPSEC replay notifiers, but some call sites
    were not using the ops method and instead were calling one of the
    implementations directly.  Oops.  Fix from Steffen Klassert.

 8) Fix IP address validation properly in the bonding driver, the
    previous fix only works with netlink where the subnet mask and IP
    address are changed in one atomic operation.  When 'ifconfig' ioctls
    are used the IP address and the subnet mask are changed in two
    distinct operations.  Fix from Andy Gospodarek.

 9) Provide a sky2 module operation to work around power management
    issues with some BIOSes.  From Stephen Hemminger.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  usbnet: consider device busy at each recieved packet
  bonding: remove entries for master_ip and vlan_ip and query devices instead
  netfilter: remove forward module param confusion.
  usbnet: don't clear urb->dev in tx_complete
  usbnet: increase URB reference count before usb_unlink_urb
  xfrm: Access the replay notify functions via the registered callbacks
  xfrm: Remove unused xfrm_state from xfrm_state_check_space
  RDS: use gfp flags from caller in conn_alloc()
  netlabel: use GFP flags from caller instead of GFP_ATOMIC
  l2tp: enable automatic module loading for l2tp_ppp
  cnic: Fix parity error code conflict
  tg3: Fix RSS ring refill race condition
  sky2: override for PCI legacy power management
  net: fix napi_reuse_skb() skb reserve
2012-03-23 10:07:16 -07:00
Linus Torvalds
a20ae85aba Fixes:
- Fix KDB keyboard repeat scan codes and leaked keyboard events
 - Fix kernel crash with kdb_printf() for users who compile new kdb_printf()'s
   in early code
 - Return all segment registers to gdb on x86_64
 Features:
 - KDB/KGDB hook the reboot notifier and end user can control if it stops,
   detaches or does nothing (updated docs as well)
 - Notify users who use CONFIG_DEBUG_RODATA to use hw breakpoints
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Merge tag 'for_linus-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb

Pull KGDB/KDB updates from Jason Wessel:
 "Fixes:
   - Fix KDB keyboard repeat scan codes and leaked keyboard events
   - Fix kernel crash with kdb_printf() for users who compile new
     kdb_printf()'s in early code
   - Return all segment registers to gdb on x86_64

  Features:
   - KDB/KGDB hook the reboot notifier and end user can control if it
     stops, detaches or does nothing (updated docs as well)
   - Notify users who use CONFIG_DEBUG_RODATA to use hw breakpoints"

* tag 'for_linus-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/kgdb:
  kdb: Add message about CONFIG_DEBUG_RODATA on failure to install breakpoint
  kdb: Avoid using dbg_io_ops until it is initialized
  kgdb,debug_core: add the ability to control the reboot notifier
  KDB: Fix usability issues relating to the 'enter' key.
  kgdb,debug-core,gdbstub: Hook the reboot notifier for debugger detach
  kgdb: Respect that flush op is optional
  kgdb: x86: Return all segment registers also in 64-bit mode
2012-03-23 09:29:44 -07:00
Linus Torvalds
f0a5ec0e8d ktest for v3.4
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Merge tag 'ktest-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest

Pull ktest changes from Steven Rostedt.

* tag 'ktest-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: Allow a test to override REBOOT_ON_SUCCESS
  ktest: Fix SWITCH_TO_GOOD to also reboot the machine
  ktest: Add SCP_TO_TARGET_INSTALL option
  ktest: Add warning when bugs are ignored
  ktest: Add INSTALL_MOD_STRIP=1 when installing modules
2012-03-23 09:28:45 -07:00
Linus Torvalds
e57f146b28 - Improve error messages
- Clean-up i_nlink management
 - Minor clean-ups
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Merge tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubifs

Pull UBIFS changes from Artem Bityutskiy:
 - Improve error messages
 - Clean-up i_nlink management
 - Minor clean-ups

* tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubifs:
  UBIFS: improve error messages
  UBIFS: kill CUR_MAX_KEY_LEN macro
  UBIFS: do not use inc_link when i_nlink is zero
  UBIFS: make the dbg_lock spinlock static
  UBIFS: increase dumps loglevel
  UBIFS: amend recovery debugging message
2012-03-23 09:27:40 -07:00
Linus Torvalds
7e61b3ff50 - Reduce memory consumption
- Fix picking unknown blocks
 - Fix error-path in 'ubi_scan()'
 - Minor clean-ups
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Merge tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubi

Pull UBI changes from Artem Bityutskiy:
 - Reduce memory consumption
 - Fix picking unknown blocks
 - Fix error-path in 'ubi_scan()'
 - Minor clean-ups

* tag 'upstream-3.4-rc1' of git://git.infradead.org/linux-ubi:
  UBI: rename MOVE_CANCEL_BITFLIPS to MOVE_TARGET_BITFLIPS
  UBI: rename peb_buf1 to peb_buf
  UBI: reduce memory consumption
  UBI: fix eraseblock picking criteria
  UBI: fix documentation and improve readability
  UBI: fix error handling in ubi_scan()
2012-03-23 09:25:31 -07:00
Linus Torvalds
6e55f8ed81 One pstore patch
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Merge tag 'pstore-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux

Pull one pstore patch from Tony Luck

* tag 'pstore-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux:
  pstore: Introduce get_reason_str() to pstore
2012-03-23 09:24:07 -07:00
Linus Torvalds
49d99a2f9c Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs
Pull XFS updates from Ben Myers:
 "Scalability improvements for dquots, log grant code cleanups, plus
  bugfixes and cleanups large and small"

Fix up various trivial conflicts that were due to some of the earlier
patches already having been integrated into v3.3 as bugfixes, and then
there were development patches on top of those.  Easily merged by just
taking the newer version from the pulled branch.

* 'for-linus' of git://oss.sgi.com/xfs/xfs: (45 commits)
  xfs: fallback to vmalloc for large buffers in xfs_getbmap
  xfs: fallback to vmalloc for large buffers in xfs_attrmulti_attr_get
  xfs: remove remaining scraps of struct xfs_iomap
  xfs: fix inode lookup race
  xfs: clean up minor sparse warnings
  xfs: remove the global xfs_Gqm structure
  xfs: remove the per-filesystem list of dquots
  xfs: use per-filesystem radix trees for dquot lookup
  xfs: per-filesystem dquot LRU lists
  xfs: use common code for quota statistics
  xfs: reimplement fdatasync support
  xfs: split in-core and on-disk inode log item fields
  xfs: make xfs_inode_item_size idempotent
  xfs: log timestamp updates
  xfs: log file size updates at I/O completion time
  xfs: log file size updates as part of unwritten extent conversion
  xfs: do not require an ioend for new EOF calculation
  xfs: use per-filesystem I/O completion workqueues
  quota: make Q_XQUOTASYNC a noop
  xfs: include reservations in quota reporting
  ...
2012-03-23 09:19:22 -07:00
Linus Torvalds
1c3ddfe5ab Merge git://git.samba.org/sfrench/cifs-2.6
Pull CIFS fixes from Steve French

* git://git.samba.org/sfrench/cifs-2.6:
  cifs: clean up ordering in exit_cifs
  cifs: clean up call to cifs_dfs_release_automount_timer()
  CIFS: Delete echo_retries module parm
  CIFS: Prepare credits code for a slot reservation
  CIFS: Make wait_for_free_request killable
  CIFS: Introduce credit-based flow control
  CIFS: Simplify inFlight logic
  cifs: fix issue mounting of DFS ROOT when redirecting from one domain controller to the next
  CIFS: Respect negotiated MaxMpxCount
  CIFS: Fix a spurious error in cifs_push_posix_locks
2012-03-23 09:07:15 -07:00
Linus Torvalds
f63d395d47 NFS client updates for Linux 3.4
New features include:
 - Add NFS client support for containers.
   This should enable most of the necessary functionality, including
   lockd support, and support for rpc.statd, NFSv4 idmapper and
   RPCSEC_GSS upcalls into the correct network namespace from
   which the mount system call was issued.
 - NFSv4 idmapper scalability improvements
   Base the idmapper cache on the keyring interface to allow concurrent
   access to idmapper entries. Start the process of migrating users from
   the single-threaded daemon-based approach to the multi-threaded
   request-key based approach.
 - NFSv4.1 implementation id.
   Allows the NFSv4.1 client and server to mutually identify each other
   for logging and debugging purposes.
 - Support the 'vers=4.1' mount option for mounting NFSv4.1 instead of
   having to use the more counterintuitive 'vers=4,minorversion=1'.
 - SUNRPC tracepoints.
   Start the process of adding tracepoints in order to improve debugging
   of the RPC layer.
 - pNFS object layout support for autologin.
 
 Important bugfixes include:
 - Fix a bug in rpc_wake_up/rpc_wake_up_status that caused them to fail
   to wake up all tasks when applied to priority waitqueues.
 - Ensure that we handle read delegations correctly, when we try to
   truncate a file.
 - A number of fixes for NFSv4 state manager loops (mostly to do with
   delegation recovery).
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Merge tag 'nfs-for-3.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

Pull NFS client updates for Linux 3.4 from Trond Myklebust:
 "New features include:
   - Add NFS client support for containers.

     This should enable most of the necessary functionality, including
     lockd support, and support for rpc.statd, NFSv4 idmapper and
     RPCSEC_GSS upcalls into the correct network namespace from which
     the mount system call was issued.

   - NFSv4 idmapper scalability improvements

     Base the idmapper cache on the keyring interface to allow
     concurrent access to idmapper entries.  Start the process of
     migrating users from the single-threaded daemon-based approach to
     the multi-threaded request-key based approach.

   - NFSv4.1 implementation id.

     Allows the NFSv4.1 client and server to mutually identify each
     other for logging and debugging purposes.

   - Support the 'vers=4.1' mount option for mounting NFSv4.1 instead of
     having to use the more counterintuitive 'vers=4,minorversion=1'.

   - SUNRPC tracepoints.

     Start the process of adding tracepoints in order to improve
     debugging of the RPC layer.

   - pNFS object layout support for autologin.

  Important bugfixes include:

   - Fix a bug in rpc_wake_up/rpc_wake_up_status that caused them to
     fail to wake up all tasks when applied to priority waitqueues.

   - Ensure that we handle read delegations correctly, when we try to
     truncate a file.

   - A number of fixes for NFSv4 state manager loops (mostly to do with
     delegation recovery)."

* tag 'nfs-for-3.4-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (224 commits)
  NFS: fix sb->s_id in nfs debug prints
  xprtrdma: Remove assumption that each segment is <= PAGE_SIZE
  xprtrdma: The transport should not bug-check when a dup reply is received
  pnfs-obj: autologin: Add support for protocol autologin
  NFS: Remove nfs4_setup_sequence from generic rename code
  NFS: Remove nfs4_setup_sequence from generic unlink code
  NFS: Remove nfs4_setup_sequence from generic read code
  NFS: Remove nfs4_setup_sequence from generic write code
  NFS: Fix more NFS debug related build warnings
  SUNRPC/LOCKD: Fix build warnings when CONFIG_SUNRPC_DEBUG is undefined
  nfs: non void functions must return a value
  SUNRPC: Kill compiler warning when RPC_DEBUG is unset
  SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG
  NFS: Use cond_resched_lock() to reduce latencies in the commit scans
  NFSv4: It is not safe to dereference lsp->ls_state in release_lockowner
  NFS: ncommit count is being double decremented
  SUNRPC: We must not use list_for_each_entry_safe() in rpc_wake_up()
  Try using machine credentials for RENEW calls
  NFSv4.1: Fix a few issues in filelayout_commit_pagelist
  NFSv4.1: Clean ups and bugfixes for the pNFS read/writeback/commit code
  ...
2012-03-23 08:53:47 -07:00
Hugh Dickins
643ac9fc54 mm: fix testorder interaction between two kswapd patches
Adjusting cc715d99e5 "mm: vmscan: forcibly scan highmem if there are
too many buffer_heads pinning highmem" for -stable reveals that it was
slightly wrong once on top of fe2c2a1066 "vmscan: reclaim at order 0
when compaction is enabled", which specifically adds testorder for the
zone_watermark_ok_safe() test.

Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
Acked-by: Rik van Riel <riel@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-23 08:34:40 -07:00
Linus Torvalds
437538267b fbdev updates for 3.4
It includes:
 - drivers for Samsung Exynos MIPI DSI and display port
 - i740fb to support those old Intel chips
 - large updates to OMAP, viafb and sh_mobile_lcdcfb
 - some updates to s3c-fb and udlfb, few patches to others
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Merge tag 'fbdev-updates-for-3.4' of git://github.com/schandinat/linux-2.6

Pull fbdev updates for 3.4 from Florian Tobias Schandinat:
 - drivers for Samsung Exynos MIPI DSI and display port
 - i740fb to support those old Intel chips
 - large updates to OMAP, viafb and sh_mobile_lcdcfb
 - some updates to s3c-fb and udlfb, few patches to others

Fix up conflicts in drivers/video/udlfb.c due to Key Sievers' fix making
it in twice.

* tag 'fbdev-updates-for-3.4' of git://github.com/schandinat/linux-2.6: (156 commits)
  Revert "video:uvesafb: Fix oops that uvesafb try to execute NX-protected page"
  OMAPDSS: register dss drivers in module init
  video: pxafb: add clk_prepare/clk_unprepare calls
  fbdev: bfin_adv7393fb: Drop needless include
  fbdev: sh_mipi_dsi: add extra phyctrl for sh_mipi_dsi_info
  fbdev: remove dependency of FB_SH_MOBILE_MERAM from FB_SH_MOBILE_LCDC
  Revert "MAINTAINERS: add entry for exynos mipi display drivers"
  fbdev: da8xx: add support for SP10Q010 display
  fbdev: da8xx:: fix reporting of the display timing info
  drivers/video/pvr2fb.c: ensure arguments to request_irq and free_irq are compatible
  OMAPDSS: APPLY: fix clearing shadow dirty flag with manual update
  fbdev: sh_mobile_meram: Implement system suspend/resume
  fbdev: sh_mobile_meram: Remove unneeded sanity checks
  fbdev: sh_mobile_meram: Don't perform update in register operation
  arm: mach-shmobile: Constify sh_mobile_meram_cfg structures
  fbdev: sh_mobile_lcdc: Don't store copy of platform data
  fbdev: sh_mobile_meram: Remove unused sh_mobile_meram_icb_cfg fields
  arm: mach-shmobile: Don't set MERAM ICB numbers in platform data
  fbdev: sh_mobile_meram: Allocate ICBs automatically
  fbdev: sh_mobile_meram: Use genalloc to manage MERAM allocation
  ...
2012-03-22 20:43:40 -07:00
Linus Torvalds
9586c959bf Things are really quieting down with the regmap API, while we're still
seeing a trickle of new features coming in they're getting much smaller
 than they were.  It's also nice to have some features which support
 other subsystems building infrastructure on top of regmap.  Highlights
 include:
 
 - Support for padding between the register and the value when
   interacting with the device, sometimes needed for fast interfaces.
 - Support for applying register updates to the device when restoring the
   register state.  This is intended to be used to apply updates supplied by
   manufacturers for tuning the performance of the device (many of which
   are to undocumented registers which aren't otherwise covered).
 - Support for multi-register operations on cached registers.
 - Support for syncing only part of the register cache.
 - Stubs and parameter query functions intended to make it easier for other
   subsystems to build infrastructure on top of the regmap API.
 
 plus a few driver updates making use of the new features which it was
 easier to merge via this tree.
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Merge tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap

Pull regmap updates from Mark Brown:
 "Things are really quieting down with the regmap API, while we're still
  seeing a trickle of new features coming in they're getting much
  smaller than they were.  It's also nice to have some features which
  support other subsystems building infrastructure on top of regmap.
  Highlights include:

  - Support for padding between the register and the value when
    interacting with the device, sometimes needed for fast interfaces.
  - Support for applying register updates to the device when restoring
    the register state.  This is intended to be used to apply updates
    supplied by manufacturers for tuning the performance of the device
    (many of which are to undocumented registers which aren't otherwise
    covered).
  - Support for multi-register operations on cached registers.
  - Support for syncing only part of the register cache.
  - Stubs and parameter query functions intended to make it easier for
    other subsystems to build infrastructure on top of the regmap API.

  plus a few driver updates making use of the new features which it was
  easier to merge via this tree."

* tag 'regmap-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (41 commits)
  regmap: Fix future missing prototype of devres_alloc() and friends
  regmap: Rejig struct declarations for stubbed API
  regmap: Fix rbtree block base in sync
  regcache: Make sure we sync register 0 in an rbtree cache
  regmap: delete unused module.h from drivers/base/regmap files
  regmap: Add stub for regcache_sync_region()
  mfd: Improve performance of later WM1811 revisions
  regmap: Fix x86_64 breakage
  regmap: Allow drivers to sync only part of the register cache
  regmap: Supply ranges to the sync operations
  regmap: Add tracepoints for cache only and cache bypass
  regmap: Mark the cache as clean after a successful sync
  regmap: Remove default cache sync implementation
  regmap: Skip hardware defaults for LZO caches
  regmap: Expose the driver name in debugfs
  mfd: wm8400: Convert to devm_regmap_init_i2c()
  mfd: wm831x: Convert to devm_regmap_init()
  mfd: wm8994: Convert to devm_regmap_init()
  mfd/ASoC: Convert WM8994 driver to use regmap patches
  mfd: Add __devinit and __devexit annotations in wm8994
  ...
2012-03-22 20:33:14 -07:00
Linus Torvalds
34699403e9 IEEE 1394 (FireWire) subsystem updates post v3.3:
- Some SBP-2 initiator fixes, side product from ongoing work on a target.
   - Reintroduction of an isochronous I/O feature of the older ieee1394 driver
     stack (flush buffer completions); it was evidently rarely used but not
     actually unused.  Matching libraw1394 code is already available.
   - Be sure to prefix all kernel log messages with device name or card name,
     and other logging related cleanups.
   - Misc other small cleanups, among them a small API change that affects
     sound/firewire/ too.
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Merge tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394

Pull IEEE 1394 (FireWire) subsystem updates post v3.3 from Stefan Richter:

 - Some SBP-2 initiator fixes, side product from ongoing work on a target.

 - Reintroduction of an isochronous I/O feature of the older ieee1394 driver
   stack (flush buffer completions); it was evidently rarely used but not
   actually unused.  Matching libraw1394 code is already available.

 - Be sure to prefix all kernel log messages with device name or card name,
   and other logging related cleanups.

 - Misc other small cleanups, among them a small API change that affects
   sound/firewire/ too. Clemens Ladisch is aware of it.

* tag 'firewire-updates' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (26 commits)
  firewire: allow explicit flushing of iso packet completions
  firewire: prevent dropping of completed iso packet header data
  firewire: ohci: factor out iso completion flushing code
  firewire: ohci: simplify iso header pointer arithmetic
  firewire: ohci: optimize control bit checks
  firewire: ohci: remove unused excess_bytes field
  firewire: ohci: copy_iso_headers(): make comment match the code
  firewire: cdev: fix IR multichannel event documentation
  firewire: ohci: fix too-early completion of IR multichannel buffers
  firewire: ohci: move runtime debug facility out of #ifdef
  firewire: tone down some diagnostic log messages
  firewire: sbp2: replace a GFP_ATOMIC allocation
  firewire: sbp2: Fix SCSI sense data mangling
  firewire: sbp2: Ignore SBP-2 targets on the local node
  firewire: sbp2: Take into account Unit_Unique_ID
  firewire: nosy: Use the macro DMA_BIT_MASK().
  firewire: core: convert AR-req handler lock from _irqsave to _bh
  firewire: core: fix race at address_handler unregistration
  firewire: core: remove obsolete comment
  firewire: core: prefix log messages with card name
  ...
2012-03-22 20:31:15 -07:00
Linus Torvalds
7fc86a7908 Pinctrl updates for v3.4:
- Switches the PXA 168, 910 and MMP over to use pinctrl
 - Locking revamped
 - Massive refactorings...
 - Reform the driver API to use multiple states
 - Support pin config in the mapping tables
 - Pinctrl drivers for the nVidia Tegra series
 - Generic pin config support lib for simple pin controllers
 - Implement pin config for the U300
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Merge tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pinctrl updates for v3.4 from Linus Walleij (*):
 - Switches the PXA 168, 910 and MMP over to use pinctrl
 - Locking revamped
 - Massive refactorings...
 - Reform the driver API to use multiple states
 - Support pin config in the mapping tables
 - Pinctrl drivers for the nVidia Tegra series
 - Generic pin config support lib for simple pin controllers
 - Implement pin config for the U300

* tag 'pinctrl-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (48 commits)
  ARM: u300: configure some pins as an example
  pinctrl: support pinconfig on the U300
  pinctrl/coh901: use generic pinconf enums and parameters
  pinctrl: introduce generic pin config
  pinctrl: fix error path in pinconf_map_to_setting()
  pinctrl: allow concurrent gpio and mux function ownership of pins
  pinctrl: forward-declare struct device
  pinctrl: split pincontrol states into its own header
  pinctrl: include machine header to core.h
  ARM: tegra: Select PINCTRL Kconfig variables
  pinctrl: add a driver for NVIDIA Tegra
  pinctrl: Show selected function and group in pinmux-pins debugfs
  pinctrl: enhance mapping table to support pin config operations
  pinctrl: API changes to support multiple states per device
  pinctrl: add usecount to pins for muxing
  pinctrl: refactor struct pinctrl handling in core.c vs pinmux.c
  pinctrl: fix and simplify locking
  pinctrl: fix the pin descriptor kerneldoc
  pinctrl: assume map table entries can't have a NULL name field
  pinctrl: introduce PINCTRL_STATE_DEFAULT, define hogs as that state
  ...

(*) What is it with all these Linuses these days? There's a Linus at
    google too.  Some day I will get myself my own broadsword, and run
    around screaming "There can be only one".

    I used to be _special_ dammit. Snif.
2012-03-22 20:25:50 -07:00
Linus Torvalds
90597b6cfc 1) AHCI regression fix. A recent "make driver conform to spec" change
broke on deployed hardware.  Make new behavior optional, rather than
    default, turning it on only for specific embedded platforms that need this.
 
    Everybody else runs in the famous "non conformant but working" mode.
 
 2) pata_cmd64x, pata_legacy cleanups
 
 3) new Intel SATA PCI IDs
 
 4) misc minor vendor feature additions
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

Pull libata updates from Jeff Garzik:

 1) AHCI regression fix.  A recent "make driver conform to spec" change
    broke on deployed hardware.  Make new behavior optional, rather than
    default, turning it on only for specific embedded platforms that
    need this.

    Everybody else runs in the famous "non conformant but working" mode.

 2) pata_cmd64x, pata_legacy cleanups

 3) new Intel SATA PCI IDs

 4) misc minor vendor feature additions

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
  pata_cmd64x: implement sff_irq_check() method
  pata_cmd64x: implement sff_irq_clear() method
  pata_cmd64x: use interrupt status from MRDMODE register
  pata_cmd64x: turn string of *if* statements into *switch*
  drivers/ata/pata_mpc52xx.c: clean up error handling code
  ahci_platform: add STRICT_AHCI platform type
  ahci: move AHCI_HFLAGS() macro to ahci.h
  ahci: add AHCI_HFLAG_DELAY_ENGINE host flag
  sata_fsl: add support for interrupt coalsecing feature
  ata/pata_arasan_cf: Add Hibernation support
  pata_legacy: correctly mask recovery field for HT6560B
  ata_piix: IDE-mode SATA patch for Intel Lynx Point DeviceIDs
  ahci: AHCI-mode SATA patch for Intel Lynx Point DeviceIDs
2012-03-22 20:22:30 -07:00
Linus Torvalds
7bfe0e66d5 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem updates from Dmitry Torokhov:
 "- we finally merged driver for USB version of Synaptics touchpads
    (I guess most commonly found in IBM/Lenovo keyboard/touchpad combo);

   - a bunch of new drivers for embedded platforms (Cypress
     touchscreens, DA9052 OnKey, MAX8997-haptic, Ilitek ILI210x
     touchscreens, TI touchscreen);

   - input core allows clients to specify desired clock source for
     timestamps on input events (EVIOCSCLOCKID ioctl);

   - input core allows querying state of all MT slots for given event
     code via EVIOCGMTSLOTS ioctl;

   - various driver fixes and improvements."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits)
  Input: ili210x - add support for Ilitek ILI210x based touchscreens
  Input: altera_ps2 - use of_match_ptr()
  Input: synaptics_usb - switch to module_usb_driver()
  Input: convert I2C drivers to use module_i2c_driver()
  Input: convert SPI drivers to use module_spi_driver()
  Input: omap4-keypad - move platform_data to <linux/platform_data>
  Input: kxtj9 - who_am_i check value and initial data rate fixes
  Input: add driver support for MAX8997-haptic
  Input: tegra-kbc - revise device tree support
  Input: of_keymap - add device tree bindings for simple key matrices
  Input: wacom - fix physical size calculation for 3rd-gen Bamboo
  Input: twl4030-vibra - really switch from #if to #ifdef
  Input: hp680_ts_input - ensure arguments to request_irq and free_irq are compatible
  Input: max8925_onkey - avoid accessing input device too early
  Input: max8925_onkey - allow to be used as a wakeup source
  Input: atmel-wm97xx - convert to dev_pm_ops
  Input: atmel-wm97xx - set driver owner
  Input: add cyttsp touchscreen maintainer entry
  Input: cyttsp - remove useless checks in cyttsp_probe()
  Input: usbtouchscreen - add support for Data Modul EasyTouch TP 72037
  ...
2012-03-22 20:20:18 -07:00
Linus Torvalds
6a76a69923 Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes a build problem where two crypto modules both try to export
  the same symbols (which shouldn't have been exported in the first
  place)."

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: twofish-x86_64-3way - module init/exit functions should be static
  crypto: camellia-x86_64 - module init/exit functions should be static
2012-03-22 20:19:30 -07:00
Linus Torvalds
d4c6fa73fe Features:
- PV multiconsole support, so that there can be hvc1, hvc2, etc;
  - P-state and C-state power management driver that uploads said
    power management data to the hypervisor. It also inhibits cpufreq
    scaling drivers to load so that only the hypervisor can make power
    management decisions - fixing a weird perf bug.
  - Function Level Reset (FLR) support in the Xen PCI backend.
 Fixes:
  - Kconfig dependencies for Xen PV keyboard and video
  - Compile warnings and constify fixes
  - Change over to use percpu_xxx instead of this_cpu_xxx
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Merge tag 'stable/for-linus-3.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen

Pull xen updates from Konrad Rzeszutek Wilk:
 "which has three neat features:

   - PV multiconsole support, so that there can be hvc1, hvc2, etc; This
     can be used in HVM and in PV mode.

   - P-state and C-state power management driver that uploads said power
     management data to the hypervisor.  It also inhibits cpufreq
     scaling drivers to load so that only the hypervisor can make power
     management decisions - fixing a weird perf bug.

     There is one thing in the Kconfig that you won't like: "default y
     if (X86_ACPI_CPUFREQ = y || X86_POWERNOW_K8 = y)" (note, that it
     all depends on CONFIG_XEN which depends on CONFIG_PARAVIRT which by
     default is off).  I've a fix to convert that boolean expression
     into "default m" which I am going to post after the cpufreq git
     pull - as the two patches to make this work depend on a fix in Dave
     Jones's tree.

   - Function Level Reset (FLR) support in the Xen PCI backend.

  Fixes:

   - Kconfig dependencies for Xen PV keyboard and video
   - Compile warnings and constify fixes
   - Change over to use percpu_xxx instead of this_cpu_xxx"

Fix up trivial conflicts in drivers/tty/hvc/hvc_xen.c due to changes to
a removed commit.

* tag 'stable/for-linus-3.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen kconfig: relax INPUT_XEN_KBDDEV_FRONTEND deps
  xen/acpi-processor: C and P-state driver that uploads said data to hypervisor.
  xen: constify all instances of "struct attribute_group"
  xen/xenbus: ignore console/0
  hvc_xen: introduce HVC_XEN_FRONTEND
  hvc_xen: implement multiconsole support
  hvc_xen: support PV on HVM consoles
  xenbus: don't free other end details too early
  xen/enlighten: Expose MWAIT and MWAIT_LEAF if hypervisor OKs it.
  xen/setup/pm/acpi: Remove the call to boot_option_idle_override.
  xenbus: address compiler warnings
  xen: use this_cpu_xxx replace percpu_xxx funcs
  xen/pciback: Support pci_reset_function, aka FLR or D3 support.
  pci: Introduce __pci_reset_function_locked to be used when holding device_lock.
  xen: Utilize the restore_msi_irqs hook.
2012-03-22 20:16:14 -07:00
Oliver Neukum
8a78335442 usbnet: consider device busy at each recieved packet
usbnet should centrally handle busy reporting in the rx path
so subdrivers need not worry. This hurts use cases which do
rx only or predominantly.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 23:04:27 -04:00
Linus Torvalds
aab008db80 Cleanups: rename of flush to invalidate, moving reporting of statistics
into debugfs, and use __read_mostly as neccessary.
 Also add a MAINTAINER file for cleancache API files.
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Merge tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm

Pull cleancache changes from Konrad Rzeszutek Wilk:
 "This has some patches for the cleancache API that should have been
  submitted a _long_ time ago.  They are basically cleanups:

   - rename of flush to invalidate

   - moving reporting of statistics into debugfs

   - use __read_mostly as necessary.

  Oh, and also the MAINTAINERS file change.  The files (except the
  MAINTAINERS file) have been in #linux-next for months now.  The late
  addition of MAINTAINERS file is a brain-fart on my side - didn't
  realize I needed that just until I was typing this up - and I based
  that patch on v3.3 - so the tree is on top of v3.3."

* tag 'stable/for-linus-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm:
  MAINTAINERS: Adding cleancache API to the list.
  mm: cleancache: Use __read_mostly as appropiate.
  mm: cleancache: report statistics via debugfs instead of sysfs.
  mm: zcache/tmem/cleancache: s/flush/invalidate/
  mm: cleancache: s/flush/invalidate/
2012-03-22 19:52:47 -07:00
Andy Gospodarek
eaddcd7690 bonding: remove entries for master_ip and vlan_ip and query devices instead
The following patch aimed to resolve an issue where secondary, tertiary,
etc. addresses added to bond interfaces could overwrite the
bond->master_ip and vlan_ip values.

        commit 917fbdb32f
        Author: Henrik Saavedra Persson <henrik.e.persson@ericsson.com>
        Date:   Wed Nov 23 23:37:15 2011 +0000

            bonding: only use primary address for ARP

That patch was good because it prevented bonds using ARP monitoring from
sending frames with an invalid source IP address.  Unfortunately, it
didn't always work as expected.

When using an ioctl (like ifconfig does) to set the IP address and
netmask, 2 separate ioctls are actually called to set the IP and netmask
if the mask chosen doesn't match the standard mask for that class of
address.  The first ioctl did not have a mask that matched the one in
the primary address and would still cause the device address to be
overwritten.  The second ioctl that was called to set the mask would
then detect as secondary and ignored, but the damage was already done.

This was not an issue when using an application that used netlink
sockets as the setting of IP and netmask came down at once.  The
inconsistent behavior between those two interfaces was something that
needed to be resolved.

While I was thinking about how I wanted to resolve this, Ralf Zeidler
came with a patch that resolved this on a RHEL kernel by keeping a full
shadow of the entries in dev->ifa_list for the bonding device and vlan
devices in the bonding driver.  I didn't like the duplication of the
list as I want to see the 'bonding' struct and code shrink rather than
grow, but liked the general idea.

As the Subject indicates this patch drops the master_ip and vlan_ip
elements from the 'bonding' and 'vlan_entry' structs, respectively.
This can be done because a device's address-list is now traversed to
determine the optimal source IP address for ARP requests and for checks
to see if the bonding device has a particular IP address.  This code
could have all be contained inside the bonding driver, but it made more
sense to me to EXPORT and call inet_confirm_addr since it did exactly
what was needed.

I tested this and a backported patch and everything works as expected.
Ralf also helped with verification of the backported patch.

Thanks to Ralf for all his help on this.

v2: Whitespace and organizational changes based on suggestions from Jay
Vosburgh and Dave Miller.

v3: Fixup incorrect usage of rcu_read_unlock based on Dave Miller's
suggestion.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
CC: Ralf Zeidler <ralf.zeidler@nsn.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 22:36:17 -04:00
Rusty Russell
523f610e1b netfilter: remove forward module param confusion.
It used to be an int, and it got changed to a bool parameter at least
7 years ago.  It happens that NF_ACCEPT and NF_DROP are 0 and 1, so
this works, but it's unclear, and the check that it's in range is not
required.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 22:36:17 -04:00
Linus Torvalds
4f5b1affdd Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin
Pull blackfin updates from Bob Liu

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo/blackfin: (24 commits)
  blackfin: clean up string bfin_dma_5xx after rename.
  blackfin:dma: rename bfin_dma_5xx.c to bfin_dma.c
  bf548: ssm2602: Add ssm2602 platform data into bf548 ezkit board file.
  Blackfin: s/#if CONFIG/#ifdef CONFIG/
  Blackfin: pnav: delete duplicate linux/export.h include
  bf561: add ppi DLEN macro for 10bits to 16bits
  arch: blackfin: udpate defconfig
  Disintegrate asm/system.h for Blackfin [ver #2]
  arch/blackfin: don't generate random mac in bfin_get_ether_addr()
  Blackfin: wire up new process_vm syscalls
  blackfin: cleanup anomaly workarounds
  blackfin: update default defconfig
  blackfin: thread_info: add suspend flag
  bfin: add bfin_ad73311_machine platform device
  blackfin: bf537: stamp: update board file for 193x
  blackfin: kgdb: skip hardware watchpoint test
  bf548: add ppi interrupt mask and blanking clocks
  blackfin: bf561: forgot CSYNC in get_core_lock_noflush
  spi/bfin_spi: drop bits_per_word from client data
  blackfin: cplb-mpu: fix page mask table overflow
  ...
2012-03-22 18:20:02 -07:00
Linus Torvalds
db14179679 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 patches from Martin Schwidefsky:
 "The biggest patch is the rework of the smp code, something I wanted to
  do for some time.  There are some patches for our various dump methods
  and one new thing: z/VM LGR detection.  LGR stands for linux-guest-
  relocation and is the guest migration feature of z/VM.  For debugging
  purposes we keep a log of the systems where a specific guest has lived."

Fix up trivial conflict in arch/s390/kernel/smp.c due to the scheduler
cleanup having removed some code next to removed s390 code.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  [S390] kernel: Pass correct stack for smp_call_ipl_cpu()
  [S390] Ensure that vmcore_info pointer is never accessed directly
  [S390] dasd: prevent validate server for offline devices
  [S390] Remove monolithic build option for zcrypt driver.
  [S390] stack dump: fix indentation in output
  [S390] kernel: Add OS info memory interface
  [S390] Use block_sigmask()
  [S390] kernel: Add z/VM LGR detection
  [S390] irq: external interrupt code passing
  [S390] irq: set __ARCH_IRQ_EXIT_IRQS_DISABLED
  [S390] zfcpdump: Implement async sdias event processing
  [S390] Use copy_to_absolute_zero() instead of "stura/sturg"
  [S390] rework idle code
  [S390] rework smp code
  [S390] rename lowcore field
  [S390] Fix gcc 4.6.0 compile warning
2012-03-22 18:15:32 -07:00
Linus Torvalds
48aab2f79d security: optimize avc_audit() common path
avc_audit() did a lot of jumping around and had a big stack frame, all
for the uncommon case.

Split up the uncommon case (which we really can't make go fast anyway)
into its own slow function, and mark the conditional branches
appropriately for the common likely case.

This causes avc_audit() to no longer show up as one of the hottest
functions on the branch profiles (the new "perf -b" thing), and makes
the cycle profiles look really nice and dense too.

The whole audit path is still annoyingly very much one of the biggest
costs of name lookup, so these things are worth optimizing for.  I wish
we could just tell people to turn it off, but realistically we do need
it: we just need to make sure that the overhead of the necessary evil is
as low as possible.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-22 17:01:41 -07:00
tom.leiming@gmail.com
5d5440a835 usbnet: don't clear urb->dev in tx_complete
URB unlinking is always racing with its completion and tx_complete
may be called before or during running usb_unlink_urb, so tx_complete
must not clear urb->dev since it will be used in unlink path,
otherwise invalid memory accesses or usb device leak may be caused
inside usb_unlink_urb.

Cc: stable@kernel.org
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Oliver Neukum <oliver@neukum.org>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 19:32:34 -04:00
tom.leiming@gmail.com
0956a8c20b usbnet: increase URB reference count before usb_unlink_urb
Commit 4231d47e6fe69f061f96c98c30eaf9fb4c14b96d(net/usbnet: avoid
recursive locking in usbnet_stop()) fixes the recursive locking
problem by releasing the skb queue lock, but it makes usb_unlink_urb
racing with defer_bh, and the URB to being unlinked may be freed before
or during calling usb_unlink_urb, so use-after-free problem may be
triggerd inside usb_unlink_urb.

The patch fixes the use-after-free problem by increasing URB
reference count with skb queue lock held before calling
usb_unlink_urb, so the URB won't be freed until return from
usb_unlink_urb.

Cc: stable@kernel.org
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Oliver Neukum <oliver@neukum.org>
Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 19:32:34 -04:00
Steffen Klassert
1265fd6167 xfrm: Access the replay notify functions via the registered callbacks
We call the wrong replay notify function when we use ESN replay
handling. This leads to the fact that we don't send notifications
if we use ESN. Fix this by calling the registered callbacks instead
of xfrm_replay_notify().

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 19:29:58 -04:00
Steffen Klassert
26b2072e75 xfrm: Remove unused xfrm_state from xfrm_state_check_space
The xfrm_state argument is unused in this function, so remove it.
Also the name xfrm_state_check_space does not really match what this
function does. It actually checks if we have enough head and tailroom
on the skb. So we rename the function to xfrm_skb_check_space.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 19:29:58 -04:00
Dan Carpenter
f0229eaaf3 RDS: use gfp flags from caller in conn_alloc()
We should be using the gfp flags the caller specified here, instead of
GFP_KERNEL.  I think this might be a bugfix, depending on the value of
"sock->sk->sk_allocation" when we call rds_conn_create_outgoing() in
rds_sendmsg().  Otherwise, it's just a cleanup.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 19:29:58 -04:00
Dan Carpenter
64b5fad526 netlabel: use GFP flags from caller instead of GFP_ATOMIC
This function takes a GFP flags as a parameter, but they are never used.
We don't take a lock in this function so there is no reason to prefer
GFP_ATOMIC over the caller's GFP flags.

There is only one caller, cipso_v4_map_cat_rng_ntoh(), and it passes
GFP_ATOMIC as the GFP flags so this doesn't change how the code works.
It's just a cleanup.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-22 19:29:57 -04:00
Linus Torvalds
f7493e5d9c vfs: tidy up sparse warnings in fs/namei.c
While doing the fs/namei.c cleanups, I ran sparse on it, and it pointed
out other large integers and a couple of cases of us using '0' instead
of the proper 'NULL'.

Sparse still doesn't understand some of the conditional locking going
on, but that's no excuse for not fixing up the trivial stuff.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-22 16:10:40 -07:00
Linus Torvalds
989412bbd2 vfs: tidy up fs/namei.c byte-repeat word constants
In commit commit 1de5b41cd3 ("fs/namei.c: fix warnings on 32-bit")
Andrew said that there must be a tidier way of doing this.

This is that tidier way.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-22 15:58:27 -07:00
Randy Dunlap
1f1e6e523e fs: fix kernel-doc warnings in dcache.c
Fix kernel-doc warnings in fs/dcache.c:

  Warning(fs/dcache.c:1743): No description found for parameter 'seqp'
  Warning(fs/dcache.c:1743): Excess function parameter 'seq' description in '__d_lookup_rcu'

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-22 15:49:18 -07:00
Al Viro
f132c5be05 Fix full_name_hash() behaviour when length is a multiple of 8
We want it to match what hash_name() is doing, which means extra
multiply by 9 in this case...

Reported-and-Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-22 15:10:43 -07:00
Linus Torvalds
ba331d5dec Merge branch 'drm-nouveau-destage' of git://people.freedesktop.org/~airlied/linux
Pull nouveau destaging + Kelper modesetting support from Dave Airlie:
 "This pull request is unexpected and not something I had mentioned
  previously.

  So NVIDIA announced new Kepler GPUs this morning, and Ben has killed
  himself getting modesetting support for them together to have on
  launch day.  Most of the code to support the new chips has already
  gone in, however this pull contains a few more pieces along with the
  final enables so the driver binds to the new Kepler cards.  Its quite
  amazing that nouveau can support a GPU on its launch day even if its
  just unaccelerated modesetting, and I'd like to have support in the
  next kernel.

  In order to sweeten the deal, Ben has also requested nouveau destage
  and become ABI stable, the only change is the version number bump
  which he prepared userspace for quite a long time ago.  The driver
  hasn't broken ABI since that one big break that caused a lot of fuss.

  It's also quite a small set of code, and not likely to break anything."

* 'drm-nouveau-destage' of git://people.freedesktop.org/~airlied/linux:
  drm/nouveau/dp: support version 4.0 of DP table
  drm/nve0/disp: nvidia randomly decided to move the dithering method
  drm/nve0: initial modesetting support for kepler chipsets
  drm/nouveau: add bios connector type for dms59
  drm/nouveau: move out of staging drivers
  drm/nouveau: bump version to 1.0.0
  drm/nvd0/disp: ignore clock set if no pclk
  drm/nouveau: oops, increase channel dispc_vma to 4
  drm/nouveau: inform userspace of new kernel subchannel requirements
  drm/nouveau: remove m2mf creation on userspace channels
  drm/nvc0-/disp: reimplement flip completion method as fifo method
  drm/nouveau: move fence sequence check to start of loop
  drm/nouveau: remove subchannel names from places where it doesn't matter
  drm/nouveau/ttm: always do buffer moves on kernel channel
2012-03-22 13:27:02 -07:00
Linus Torvalds
09fa302261 Merge branch 'drm-radeon-sitn-support' of git://people.freedesktop.org/~airlied/linux
Pull radeon southern islands / trinity support from Dave Airlie:
 "This is support from AMD for their newest GPU and APUs.  The products
  called RadeonHD 7xxx, and the Trinity APU series.

  This did come in a bit late, due to some over-complicated AMD internal
  review process, which from the outside seems unnecessary once the
  company has decided it wants to support open source.  However as I
  said previously I'd rather not put the people who've got this hw for 3
  months now being forced to use fglrx on it if there is open code.

  Its pretty well self contained and just plugs into the driver in
  various places."

* 'drm-radeon-sitn-support' of git://people.freedesktop.org/~airlied/linux: (48 commits)
  drm/radeon/kms: update duallink checks for DCE6
  drm/radeon/kms: add trinity pci ids
  drm/radeon/kms: add radeon_asic struct for trinity
  drm/radeon/kms: add support for ucode loading on trinity (v2)
  drm/radeon/kms/vm: set vram base offset properly for TN
  drm/radeon/kms: Update evergreen functions for trinity
  drm/radeon/kms: cayman gpu init updates for trinity
  drm/radeon/kms: Add checks for TN in the DP bridge code
  drm/radeon/kms/DCE6.1: ss is not supported on the internal pplls
  drm/radeon/kms: disable PPLL0 on DCE6.1 when not in use
  drm/radeon/kms: Adjust pll picker for DCE6.1
  drm/radeon/kms: DCE6.1 disp eng pll updates
  drm/radeon/kms: DCE6.1 watermark updates for TN
  drm/radeon/kms: no support for internal thermal sensor on TN yet
  drm/radeon/kms: add trinity (TN) chip family
  drm/radeon/kms: Add SI pci ids
  drm/radeon: Update radeon_info_ioctl for SI. (v2)
  drm/radeon/kms: add radeon_asic struct for SI
  drm/radeon/kms: add support for compute rings in CS ioctl on SI
  drm/radeon/kms: fill in startup/shutdown callbacks for SI
  ...
2012-03-22 13:23:46 -07:00
Linus Torvalds
be53bfdb80 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm main changes from Dave Airlie:
 "This is the main drm pull request, I'm probably going to send two more
  smaller ones, will explain below.

  This contains a patch that is also in the fbdev tree, but it should be
  the same patch, it added an API for hot unplugging framebuffer
  devices, and I need that API for a new driver.

  It also contains some changes to the i2c tree which Jean has acked,
  and one change to moorestown platform stuff in x86.

  Highlights:
   - new drivers: UDL driver for USB displaylink devices, kms only,
     should support correct hotplug operations.
   - core: i2c speedups + better hotplug support, EDID overriding via
     firmware interface - allows user to load a firmware for a broken
     monitor/kvm from userspace, it even has documentation for it.
   - exynos: new HDMI audio + hdmi 1.4 + virtual output driver
   - gma500: code cleanup
   - radeon: cleanups, CS optimisations, streamout support and pageflip
     fix
   - nouveau: NVD9 displayport support + more reclocking work
   - i915: re-enabling GMBUS, finish gpu patch (might help hibernation
     who knows), missed irq fixes, stencil tiling fixes, interlaced
     support, aliasesd PPGTT support for SNB/IVB, swizzling for SNB/IVB,
     semaphore fixes

  As well as the usual bunch of cleanups and fixes all over the place.

  I've got two things I'd like to merge a bit later:

   a) AMD support for all their new radeonhd 7000 series GPU and APUs.
      AMD dropped this a bit late due to insane internal review
      processes, (please AMD just follow Intel and let open source guys
      ship stuff early) however I don't want to penalise people who own
      this hardware (since its been on sale for 3-4 months and GPU hw
      doesn't exactly have a lifetime in years) and consign them to
      using closed drivers for longer than necessary.  The changes are
      well contained and just plug into the driver new gpu functionality
      so they should be fairly regression proof.  I just want to give
      them a bit of a run on the hw AMD kindly sent me.

   b) drm prime/dma-buf interface code.  This is just infrastructure
      code to expose the dma-buf stuff to drm drivers and to userspace.
      I'm not planning on pushing any driver support in this cycle
      (except maybe exynos), but I'd like to get the infrastructure code
      in so for the next cycle I can start getting the driver support
      into the individual drivers.  We have started driver support for
      i915, nouveau and udl along with I think exynos and omap in
      staging.  However this code relies on the dma-buf tree being
      pulled into your tree first since it needs the latest interfaces
      from that tree.  I'll push to get that tree sent asap.

  (oh and any warnings you see in i915 are gcc's fault from what anyone
  can see)."

Fix up trivial conflicts in arch/x86/platform/mrst/mrst.c due to the new
msic_thermal_platform_data() thermal function being added next to the
tc35876x_platform_data() i2c device function..

* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (326 commits)
  drm/i915: use DDC_ADDR instead of hard-coding it
  drm/radeon: use DDC_ADDR instead of hard-coding it
  drm: remove unneeded redefinition of DDC_ADDR
  drm/exynos: added virtual display driver.
  drm: allow loading an EDID as firmware to override broken monitor
  drm/exynos: enable hdmi audio feature
  drm/exynos: add default pixel format for plane
  drm/exynos: cleanup exynos_hdmi.h
  drm/exynos: add is_local member in exynos_drm_subdrv struct
  drm/exynos: add subdrv open/close functions
  drm/exynos: remove module of exynos drm subdrv
  drm/exynos: release pending pageflip events when closed
  drm/exynos: added new funtion to get/put dma address.
  drm/exynos: update gem and buffer framework.
  drm/exynos: added mode_fixup feature and code clean.
  drm/exynos: add HDMI version 1.4 support
  drm/exynos: remove exynos_mixer.h
  gma500: Fix mmap frambuffer
  drm/radeon: Drop radeon_gem_object_(un)pin.
  drm/radeon: Restrict offset for legacy display engine.
  ...
2012-03-22 13:08:22 -07:00
Jason Wessel
1ba0c1720e kdb: Add message about CONFIG_DEBUG_RODATA on failure to install breakpoint
On x86, if CONFIG_DEBUG_RODATA is set, one cannot set breakpoints
via KDB.  Apparently this is a well-known problem, as at least one distribution
now ships with both KDB enabled and CONFIG_DEBUG_RODATA=y for security reasons.

This patch adds an printk message to the breakpoint failure case,
in order to provide suggestions about how to use the debugger.

Reported-by: Tim Bird <tim.bird@am.sony.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Acked-by: Tim Bird <tim.bird@am.sony.com>
2012-03-22 15:07:16 -05:00
Tim Bird
b8adde8dde kdb: Avoid using dbg_io_ops until it is initialized
This fixes a bug with setting a breakpoint during kdb initialization
(from kdb_cmds).  Any call to kdb_printf() before the initialization
of the kgdboc serial console driver (which happens much later during
bootup than kdb_init), results in kernel panic due to the use of
dbg_io_ops before it is initialized.

Signed-off-by: Tim Bird <tim.bird@am.sony.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-22 15:07:16 -05:00
Jason Wessel
bec4d62ead kgdb,debug_core: add the ability to control the reboot notifier
Sometimes it is desirable to stop the kernel debugger before allowing
a system to reboot either with kdb or kgdb.  This patch adds the
ability to turn the reboot notifier on and off or enter the debugger
and stop kernel execution before rebooting.

It is possible to change the setting after booting the kernel with the
following:

echo 1 > /sys/module/debug_core/parameters/kgdbreboot

It is also possible to change this setting using kdb / kgdb to
manipulate the variable directly.

Using KDB:
   mm kgdbreboot 1

Using gdb:
   set kgdbreboot=1

Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-22 15:07:16 -05:00
Andrei Warkentin
8f30d41176 KDB: Fix usability issues relating to the 'enter' key.
This fixes the following problems:
1) Typematic-repeat of 'enter' gives warning message
   and leaks make/break if KDB exits. Repeats
   look something like 0x1c 0x1c .... 0x9c
2) Use of 'keypad enter' gives warning message and
   leaks the ENTER break/make code out if KDB exits.
   KP ENTER repeats look someting like 0xe0 0x1c
   0xe0 0x1c ... 0xe0 0x9c.
3) Lag on the order of seconds between "break" and "make" when
   expecting the enter "break" code. Seen under virtualized
   environments such as VMware ESX.

The existing special enter handler tries to glob the enter break code,
but this fails if the other (KP) enter was used, or if there was a key
repeat. It also fails if you mashed some keys along with enter, and
you ended up with a non-enter make or non-enter break code coming
after the enter make code. So first, we modify the handler to handle
these cases. But performing these actions on every enter is annoying
since now you can't hold ENTER down to scroll <more>d messages in
KDB. Since this special behaviour is only necessary to handle the
exiting KDB ('g' + ENTER) without leaking scancodes to the OS.  This
cleanup needs to get executed anytime the kdb_main loop exits.

Tested on QEMU. Set a bp on atkbd.c to verify no scan code was leaked.

Cc: Andrei Warkentin <andreiw@vmware.com>
[jason.wessel@windriver.com: move cleanup calls to kdb_main.c]
Signed-off-by: Andrei Warkentin <andrey.warkentin@gmail.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-22 15:07:15 -05:00
Jason Wessel
2366e04784 kgdb,debug-core,gdbstub: Hook the reboot notifier for debugger detach
The gdbstub and kdb should get detached if the system is rebooting.
Calling gdbstub_exit() will set the proper debug core state and send a
message to any debugger that is connected to correctly detach.

An attached debugger will receive the exit code from
include/linux/reboot.h based on SYS_HALT, SYS_REBOOT, etc...

Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-22 15:07:15 -05:00
Jan Kiszka
9fbe465efc kgdb: Respect that flush op is optional
Not all kgdb I/O drivers implement a flush operation. Adjust
gdbstub_exit accordingly.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-22 15:07:15 -05:00
Jan Kiszka
639077fb69 kgdb: x86: Return all segment registers also in 64-bit mode
Even if the content is always 0, gdb expects us to return also ds,
es, fs, and gs while in x86-64 mode. Do this to avoid ugly errors on
"info registers".

[jason.wessel@windriver.com: adjust NUMREGBYTES for two new regs]
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
2012-03-22 15:07:15 -05:00
Linus Torvalds
b2094ef840 Updates of sound stuff for 3.4-rc1
Here is the first big update chunk of sound stuff for 3.4-rc1.
 
 In the common sound infrastructure, there are a few changes for
 dynamic PCM support (used in ASoC) and a few clean-ups.  Majority of
 changes are found, as usual, in HD-audio and ASoC.
 
 Some highlights of HD-audio changes:
 - All the long-standing static quirk codes for Realtek codec were
 finally removed by fixing and extending the Realtek auto-parser.
 
 - The mute-LED control is standardized over all HD-audio codec
   drivers using the extended vmaster hook.
 
 - The vmaster slave mixer elements are initialized to 0dB as default
   so that the user won't be annoyed by the silent output after
   updates, e.g. due to the additions of new elements.
 
 - Other many fix-ups for the misc HD-audio devices.
 
 In the ASoC side, this is a very active release, including a quite a
 few framework enhancements.  Some highlights:
 
 - Support for widgets not associated with a CODEC, an important part
   of the dynamic PCM framework.
 
 - A library factoring out the common code shared by dmaengine based
   DMA drivers contributed by Lars-Peter Clausen.  This will save a lot
   of code and make it much easier to deploy enhancements to
   dmaengine.
 
 - Support for binary controls, used for providing runtime
   configuration of algorithm coefficients.
 
 - A new DAPM widget type for regulator supplies allowing drivers for
   devices that can power down unused supplies while active to do
   without any per-driver code.
 
 - DAPM widgets for DAIs, initially giving a speed boost for playback
   startup and shutdown and also the basis for CODEC<->CODEC DAI link
   support.
 
 - Support for specifying the number of significant bits on audio
   interfaces, useful for allowing applications to know how much effort
   to put into generating data for a larger sample format.
 
 - Conversion of the FSI driver used on some SH processors to
   DMAEngine.
 
 - Conversion of EP93xx drivers to DMAEngine.
 
 - New CODEC drivers for Maxim MAX9768 and Wolfson Microelectronics
   WM2200.
 
 - Move audmux driver from arc/arm to sound/soc
 
 - McBSP move from arch/ to sound/ and updates
 
 Also, a few small updates and fixes for other drivers like au88x0,
 ymfpci, USB 6fire, USB usx2yaudio are included.
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Merge tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull updates of sound stuff from Takashi Iwai:
 "Here is the first big update chunk of sound stuff for 3.4-rc1.

  In the common sound infrastructure, there are a few changes for
  dynamic PCM support (used in ASoC) and a few clean-ups.  Majority of
  changes are found, as usual, in HD-audio and ASoC.

  Some highlights of HD-audio changes:

   - All the long-standing static quirk codes for Realtek codec were
     finally removed by fixing and extending the Realtek auto-parser.

   - The mute-LED control is standardized over all HD-audio codec
     drivers using the extended vmaster hook.

   - The vmaster slave mixer elements are initialized to 0dB as default
     so that the user won't be annoyed by the silent output after
     updates, e.g.  due to the additions of new elements.

   - Other many fix-ups for the misc HD-audio devices.

  In the ASoC side, this is a very active release, including a quite a
  few framework enhancements.  Some highlights:

   - Support for widgets not associated with a CODEC, an important part
     of the dynamic PCM framework.

   - A library factoring out the common code shared by dmaengine based
     DMA drivers contributed by Lars-Peter Clausen.  This will save a
     lot of code and make it much easier to deploy enhancements to
     dmaengine.

   - Support for binary controls, used for providing runtime
     configuration of algorithm coefficients.

   - A new DAPM widget type for regulator supplies allowing drivers for
     devices that can power down unused supplies while active to do
     without any per-driver code.

   - DAPM widgets for DAIs, initially giving a speed boost for playback
     startup and shutdown and also the basis for CODEC<->CODEC DAI link
     support.

   - Support for specifying the number of significant bits on audio
     interfaces, useful for allowing applications to know how much
     effort to put into generating data for a larger sample format.

   - Conversion of the FSI driver used on some SH processors to
     DMAEngine.

   - Conversion of EP93xx drivers to DMAEngine.

   - New CODEC drivers for Maxim MAX9768 and Wolfson Microelectronics
     WM2200.

   - Move audmux driver from arc/arm to sound/soc

   - McBSP move from arch/ to sound/ and updates

  Also, a few small updates and fixes for other drivers like au88x0,
  ymfpci, USB 6fire, USB usx2yaudio are included."

* tag 'sound-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (446 commits)
  ASoC: wm8994: Provide VMID mode control and fix default sequence
  ASoC: wm8994: Add missing break in resume
  ASoC: wm_hubs: Don't actively manage LINEOUT_VMID_BUF
  ASoC: pxa-ssp: atomically set stream active masks
  ASoC: fsl: p1022ds: tell the WM8776 codec driver that it's the master
  ASoC: Samsung: Added to support mono recording
  ALSA: hda - Fix build with CONFIG_PM=n
  ALSA: au88x0 - Avoid possible Oops at unbinding
  ALSA: usb-audio - Fix build error by consitification of rate list
  ASoC: core: Fix obscure leak of runtime array
  ALSA: pcm - Avoid GFP_ATOMIC in snd_pcm_link()
  ALSA: pcm: Constify the list in snd_pcm_hw_constraint_list
  ASoC: wm8996: Add 44.1kHz support
  ALSA: hda - Fix build of patch_sigmatel.c without CONFIG_SND_HDA_POWER_SAVE
  ASoC: mx27vis-aic32x4: Convert it to platform driver
  ALSA: hda - fix printing of high HDMI sample rates
  ALSA: ymfpci - Fix legacy registers on S3/S4 resume
  ALSA: control - Fixe a trailing white space error
  ALSA: hda - Add expose_enum_ctl flag to snd_hda_add_vmaster_hook()
  ALSA: hda - Add "Mute-LED Mode" enum control
  ...
2012-03-22 13:00:13 -07:00
Linus Torvalds
424a6f6ef9 SCSI updates on 20120319
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

SCSI updates from James Bottomley:
 "The update includes the usual assortment of driver updates (lpfc,
  qla2xxx, qla4xxx, bfa, bnx2fc, bnx2i, isci, fcoe, hpsa) plus a huge
  amount of infrastructure work in the SAS library and transport class
  as well as an iSCSI update.  There's also a new SCSI based virtio
  driver."

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (177 commits)
  [SCSI] qla4xxx: Update driver version to 5.02.00-k15
  [SCSI] qla4xxx: trivial cleanup
  [SCSI] qla4xxx: Fix sparse warning
  [SCSI] qla4xxx: Add support for multiple session per host.
  [SCSI] qla4xxx: Export CHAP index as sysfs attribute
  [SCSI] scsi_transport: Export CHAP index as sysfs attribute
  [SCSI] qla4xxx: Add support to display CHAP list and delete CHAP entry
  [SCSI] iscsi_transport: Add support to display CHAP list and delete CHAP entry
  [SCSI] pm8001: fix endian issue with code optimization.
  [SCSI] pm8001: Fix possible racing condition.
  [SCSI] pm8001: Fix bogus interrupt state flag issue.
  [SCSI] ipr: update PCI ID definitions for new adapters
  [SCSI] qla2xxx: handle default case in qla2x00_request_firmware()
  [SCSI] isci: improvements in driver unloading routine
  [SCSI] isci: improve phy event warnings
  [SCSI] isci: debug, provide state-enum-to-string conversions
  [SCSI] scsi_transport_sas: 'enable' phys on reset
  [SCSI] libsas: don't recover end devices attached to disabled phys
  [SCSI] libsas: fixup target_port_protocols for expanders that don't report sata
  [SCSI] libsas: set attached device type and target protocols for local phys
  ...
2012-03-22 12:55:29 -07:00
Linus Torvalds
1ab142d499 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull SCSI target updates from Nicholas Bellinger:
 "This contains the usual set of updates and bugfixes to target-core +
  existing fabric module code, along with a handful of the patches
  destined for v3.3 stable.

  It also contains the necessary target-core infrastructure pieces
  required to run using tcm_qla2xxx.ko WWPNs with the new Qlogic Fibre
  Channel fabric module currently queued in target-pending/for-next-merge,
  and coming for round 2.

  The highlights for this series include:

   - Add target_submit_tmr() helper function for fabric task management
     (andy)
   - Convert tcm_fc to use target_submit_tmr() (andy)
   - Replace target core various cmd flags with a transport state (hch)
   - Convert loopback to use workqueue submission (hch)
   - Convert target core to use array_zalloc for tpg_lun_list (joern)
   - Convert target core to use array_zalloc for device_list (joern)
   - Add target core support for TMR_ABORT_TASK (nab)
   - Add target core se_sess->sess_kref + get/put helpers (nab)
   - Add target core se_node_acl->acl_kref for ->acl_free_comp usage
     (nab)
   - Convert iscsi-target to use target_put_session + sess_kref (nab)
   - Fix tcm_fc fc_exch memory leak in ft_send_resp_status (nab)
   - Fix ib_srpt srpt_handle_cmd send_ioctx->ioctx_kref leak on
     exception (nab)
   - Fix target core up handling of short INQUIRY buffers (roland)
   - Untangle target-core front-end and back-end meanings of max_sectors
     attribute (roland)
   - Set loopback residual field for SCSI commands (roland)
   - Fix target-core 16-bit target ports for SET TARGET PORT GROUPS
     emulation (roland)

  Thanks again to Andy, Christoph, Joern, Roland, and everyone who has
  contributed this round!"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (64 commits)
  ib_srpt: Fix srpt_handle_cmd send_ioctx->ioctx_kref leak on exception
  loopback: Fix transport_generic_allocate_tasks error handling
  iscsi-target: remove improper externs
  iscsi-target: Remove unused variables in iscsi_target_parameters.c
  target: remove obvious warnings
  target: Use array_zalloc for device_list
  target: Use array_zalloc for tpg_lun_list
  target: Fix sense code for unsupported SERVICE ACTION IN
  target: Remove hack to make READ CAPACITY(10) lie if thin provisioning is enabled
  target: Bump core version to v4.1.0-rc2-ml + fabric versions
  tcm_fc: Fix fc_exch memory leak in ft_send_resp_status
  target: Drop unused legacy target_core_fabric_ops API callers
  iscsi-target: Convert to use target_put_session + sess_kref
  target: Convert se_node_acl->acl_group removal to use ->acl_kref
  target: Add se_node_acl->acl_kref for ->acl_free_comp usage
  target: Add se_node_acl->acl_free_comp for NodeACL release path
  target: Add se_sess->sess_kref + get/put helpers
  target: Convert session_lock to irqsave
  target: Fix typo in drivers/target
  iscsi-target: Fix dynamic -> explict NodeACL pointer reference
  ...
2012-03-22 12:38:04 -07:00
Linus Torvalds
267d7b23dd md updates for 3.4
Mostly tidying up code in preparation for some bigger changes
 next time.
 A few bug fixes tagged for -stable.
 
 Main functionality change is that some RAID10 arrays can now
 grow to use extra space that may have been made available on the
 individual devices.
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Merge tag 'md-3.4' of git://neil.brown.name/md

Pull md updates for 3.4 from Neil Brown:
 "Mostly tidying up code in preparation for some bigger changes next
  time.

  A few bug fixes tagged for -stable.

  Main functionality change is that some RAID10 arrays can now grow to
  use extra space that may have been made available on the individual
  devices."

Fixed up trivial conflicts with the k[un]map_atomic() cleanups in
drivers/md/bitmap.c.

* tag 'md-3.4' of git://neil.brown.name/md: (22 commits)
  md: Add judgement bb->unacked_exist in function md_ack_all_badblocks().
  md: fix clearing of the 'changed' flags for the bad blocks list.
  md/bitmap: discard CHUNK_BLOCK_SHIFT macro
  md/bitmap: remove unnecessary indirection when allocating.
  md/bitmap: remove some pointless locking.
  md/bitmap: change a 'goto' to a normal 'if' construct.
  md/bitmap: move printing of bitmap status to bitmap.c
  md/bitmap: remove some unused noise from bitmap.h
  md/raid10 - support resizing some RAID10 arrays.
  md/raid1: handle merge_bvec_fn in member devices.
  md/raid10: handle merge_bvec_fn in member devices.
  md: add proper merge_bvec handling to RAID0 and Linear.
  md: tidy up rdev_for_each usage.
  md/raid1,raid10: avoid deadlock during resync/recovery.
  md/bitmap: ensure to load bitmap when creating via sysfs.
  md: don't set md arrays to readonly on shutdown.
  md: allow re-add to failed arrays.
  md/raid5: use atomic_dec_return() instead of atomic_dec() and atomic_read().
  md: Use existed macros instead of numbers
  md/raid5: removed unused 'added_devices' variable.
  ...
2012-03-22 12:29:50 -07:00