Doug / smarc-fsl-linux-kernel

15 Aug, 2010

1 commit

11 Aug, 2010

2 commits

  • 2f9e825d3   Merge branch 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block ... Browse Code »

    * 'for-2.6.36' of git://git.kernel.dk/linux-2.6-block: (149 commits)
    block: make sure that REQ_* types are seen even with CONFIG_BLOCK=n
    xen-blkfront: fix missing out label
    blkdev: fix blkdev_issue_zeroout return value
    block: update request stacking methods to support discards
    block: fix missing export of blk_types.h
    writeback: fix bad _bh spinlock nesting
    drbd: revert "delay probes", feature is being re-implemented differently
    drbd: Initialize all members of sync_conf to their defaults [Bugz 315]
    drbd: Disable delay probes for the upcomming release
    writeback: cleanup bdi_register
    writeback: add new tracepoints
    writeback: remove unnecessary init_timer call
    writeback: optimize periodic bdi thread wakeups
    writeback: prevent unnecessary bdi threads wakeups
    writeback: move bdi threads exiting logic to the forker thread
    writeback: restructure bdi forker loop a little
    writeback: move last_active to bdi
    writeback: do not remove bdi from bdi_list
    writeback: simplify bdi code a little
    writeback: do not lose wake-ups in bdi threads
    ...

    Fixed up pretty trivial conflicts in drivers/block/virtio_blk.c and
    drivers/scsi/scsi_error.c as per Jens.

    Linus Torvalds
     
  • 8c8946f50   Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify ... Browse Code »

    * 'for-linus' of git://git.infradead.org/users/eparis/notify: (132 commits)
    fanotify: use both marks when possible
    fsnotify: pass both the vfsmount mark and inode mark
    fsnotify: walk the inode and vfsmount lists simultaneously
    fsnotify: rework ignored mark flushing
    fsnotify: remove global fsnotify groups lists
    fsnotify: remove group->mask
    fsnotify: remove the global masks
    fsnotify: cleanup should_send_event
    fanotify: use the mark in handler functions
    audit: use the mark in handler functions
    dnotify: use the mark in handler functions
    inotify: use the mark in handler functions
    fsnotify: send fsnotify_mark to groups in event handling functions
    fsnotify: Exchange list heads instead of moving elements
    fsnotify: srcu to protect read side of inode and vfsmount locks
    fsnotify: use an explicit flag to indicate fsnotify_destroy_mark has been called
    fsnotify: use _rcu functions for mark list traversal
    fsnotify: place marks on object in order of group memory address
    vfs/fsnotify: fsnotify_close can delay the final work in fput
    fsnotify: store struct file not struct path
    ...

    Fix up trivial delete/modify conflict in fs/notify/inotify/inotify.c.

    Linus Torvalds
     

08 Aug, 2010

1 commit

  • 387ac0893   block: fix missing export of blk_types.h ... Browse Code »

    Stephen reports:

    After merging the block tree, today's linux-next build (x86_64
    allmodconfig) failed like this:

    usr/include/linux/fs.h:11: included file 'linux/blk_types.h' is not exported

    Caused by commit 9d3dbbcd9a84518ff5e32ffe671d06a48cf84fd9 ("bio, fs:
    separate out bio_types.h and define READ/WRITE constants in terms of
    BIO_RW_* flags").

    Reported-by: Stephen Rothwell
    Signed-off-by: Jens Axboe

    Jens Axboe
     

03 Aug, 2010

1 commit

  • 4565956dc   l2tp: fix export of header file for userspace ... Browse Code »

    The header file l2tp.h should be exported to the installed include/linux/
    tree for userspace programs.

    This patch fixes compilation errors in L2TP userspace apps which want to
    use the new L2TP support introduced in 2.6.35.

    Signed-off-by: James Chapman
    Signed-off-by: Andrew Morton
    Signed-off-by: David S. Miller

    James Chapman
     

28 Jul, 2010

1 commit

  • ff0b16a98   fanotify: fscking all notification system ... Browse Code »

    fanotify is a novel file notification system which bases notification on
    giving userspace both an event type (open, close, read, write) and an open
    file descriptor to the object in question. This should address a number of
    races and problems with other notification systems like inotify and dnotify
    and should allow the future implementation of blocking or access controlled
    notification. These are useful for on access scanners or hierachical storage
    management schemes.

    This patch just implements the basics of the fsnotify functions.

    Signed-off-by: Eric Paris

    Eric Paris
     

23 Apr, 2010

1 commit

  • 5ebfbc06a   X25: Add if_x25.h and x25 to device identifiers ... Browse Code »

    V2 Feedback from John Hughes.
    - Add header for userspace implementations such as xot/xoe to use
    - Use explicit values for interface stability
    - No changes to driver patches

    V1
    - Use identifiers instead of magic numbers for X25 layer 3 to device interface.
    - Also fixed checkpatch notes on updated code.

    [ Add new user header to include/linux/Kbuild -DaveM ]

    Signed-off-by: Andrew Hendry
    Signed-off-by: David S. Miller

    Andrew Hendry
     

03 Mar, 2010

1 commit

  • 3a5b27bf6   Merge branch 'for-linus' of git://gitorious.org/linux-omap-dss2/linux ... Browse Code »

    * 'for-linus' of git://gitorious.org/linux-omap-dss2/linux: (49 commits)
    OMAP: DSS2: Taal: Fix TE when resuming
    OMAP: DSS2: Taal: Fix ESD check
    OMAP: DSS2: OMAPFB: Constify some function parameters
    OMAP: DSS2: OMAPFB: install omapfb.h
    OMAP: DSS2: DSI: add error prints
    OMAP: DSS2: TPO-TD03MTEA1: fix function names
    OMAP: DSS2: DSI: add dsi_vc_dcs_read_2() helper
    OMAP: DSS2: OMAPFB: Remove FB_OMAP2_FORCE_AUTO_UPDATE
    OMAP: DSS2: DSI: remove external TE support
    OMAP: DSS2: move timing functions
    OMAP: DSS2: move set/get_wss()
    OMAP: DSS2: move enable/disable/suspend/resume
    OMAP: DSS2: move update() and sync()
    OMAP: DSS2: move set/get_update_mode()
    OMAP: DSS2: move enable/get_te()
    OMAP: DSS2: move get_recommended_bpp()
    OMAP: DSS2: move get_resolution()
    OMAP: DSS2: move enable/disable_channel to overlay manager
    OMAP: DSS2: move wait_vsync()
    OMAP: DSS2: move get/set_rotate()
    ...

    Linus Torvalds
     

02 Mar, 2010

1 commit

  • 6d6b89bd2   Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 ... Browse Code »

    * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
    virtio_net: remove forgotten assignment
    be2net: fix tx completion polling
    sis190: fix cable detect via link status poll
    net: fix protocol sk_buff field
    bridge: Fix build error when IGMP_SNOOPING is not enabled
    bnx2x: Tx barriers and locks
    scm: Only support SCM_RIGHTS on unix domain sockets.
    vhost-net: restart tx poll on sk_sndbuf full
    vhost: fix get_user_pages_fast error handling
    vhost: initialize log eventfd context pointer
    vhost: logging thinko fix
    wireless: convert to use netdev_for_each_mc_addr
    ethtool: do not set some flags, if others failed
    ipoib: returned back addrlen check for mc addresses
    netlink: Adding inode field to /proc/net/netlink
    axnet_cs: add new id
    bridge: Make IGMP snooping depend upon BRIDGE.
    bridge: Add multicast count/interval sysfs entries
    bridge: Add hash elasticity/max sysfs entries
    bridge: Add multicast_snooping sysfs toggle
    ...

    Trivial conflicts in Documentation/feature-removal-schedule.txt

    Linus Torvalds
     

01 Mar, 2010

1 commit

23 Feb, 2010

1 commit

  • d02f0cff1   cciss: export linux/cciss_defs.h header ... Browse Code »

    'make headers_check' began to fail after cciss_defs.h was introduced in:
    429c42c9d246f5bda868495c09974312a0177328

    usr/include/linux/cciss_ioctl.h:6: included file 'linux/cciss_defs.h' is not exported

    Fix this by exporting cciss_defs.h

    Signed-off-by: dann frazier
    Signed-off-by: Jens Axboe

    dann frazier
     

15 Jan, 2010

1 commit

  • 3a4d5c94e   vhost_net: a kernel-level virtio server ... Browse Code »

    What it is: vhost net is a character device that can be used to reduce
    the number of system calls involved in virtio networking.
    Existing virtio net code is used in the guest without modification.

    There's similarity with vringfd, with some differences and reduced scope
    - uses eventfd for signalling
    - structures can be moved around in memory at any time (good for
    migration, bug work-arounds in userspace)
    - write logging is supported (good for migration)
    - support memory table and not just an offset (needed for kvm)

    common virtio related code has been put in a separate file vhost.c and
    can be made into a separate module if/when more backends appear. I used
    Rusty's lguest.c as the source for developing this part : this supplied
    me with witty comments I wouldn't be able to write myself.

    What it is not: vhost net is not a bus, and not a generic new system
    call. No assumptions are made on how guest performs hypercalls.
    Userspace hypervisors are supported as well as kvm.

    How it works: Basically, we connect virtio frontend (configured by
    userspace) to a backend. The backend could be a network device, or a tap
    device. Backend is also configured by userspace, including vlan/mac
    etc.

    Status: This works for me, and I haven't see any crashes.
    Compared to userspace, people reported improved latency (as I save up to
    4 system calls per packet), as well as better bandwidth and CPU
    utilization.

    Features that I plan to look at in the future:
    - mergeable buffers
    - zero copy
    - scalability tuning: figure out the best threading model to use

    Note on RCU usage (this is also documented in vhost.h, near
    private_pointer which is the value protected by this variant of RCU):
    what is happening is that the rcu_dereference() is being used in a
    workqueue item. The role of rcu_read_lock() is taken on by the start of
    execution of the workqueue item, of rcu_read_unlock() by the end of
    execution of the workqueue item, and of synchronize_rcu() by
    flush_workqueue()/flush_work(). In the future we might need to apply
    some gcc attribute or sparse annotation to the function passed to
    INIT_WORK(). Paul's ack below is for this RCU usage.

    (Includes fixes by Alan Cox ,
    David L Stevens ,
    Chris Wright )

    Acked-by: Rusty Russell
    Acked-by: Arnd Bergmann
    Acked-by: "Paul E. McKenney"
    Signed-off-by: Michael S. Tsirkin
    Signed-off-by: David S. Miller

    Michael S. Tsirkin
     

12 Dec, 2009

2 commits

03 Dec, 2009

1 commit

30 Oct, 2009

1 commit

  • 5975c725d   define convenient securebits masks for prctl users (v2) ... Browse Code »

    Hi James, would you mind taking the following into
    security-testing?

    The securebits are used by passing them to prctl with the
    PR_{S,G}ET_SECUREBITS commands. But the defines must be
    shifted to be used in prctl, which begs to be confused and
    misused by userspace. So define some more convenient
    values for userspace to specify. This way userspace does

    prctl(PR_SET_SECUREBITS, SECBIT_NOROOT);

    instead of

    prctl(PR_SET_SECUREBITS, 1 << SECURE_NOROOT);

    (Thanks to Michael for the idea)

    This patch also adds include/linux/securebits to the installed headers.
    Then perhaps it can be included by glibc's sys/prctl.h.

    Changelog:
    Oct 29: Stephen Rothwell points out that issecure can
    be under __KERNEL__.
    Oct 14: (Suggestions by Michael Kerrisk):
    1. spell out SETUID in SECBIT_NO_SETUID*
    2. SECBIT_X_LOCKED does not imply SECBIT_X
    3. add definitions for keepcaps
    Oct 14: As suggested by Michael Kerrisk, don't
    use SB_* as that convention is already in
    use. Use SECBIT_ prefix instead.

    Signed-off-by: Serge E. Hallyn
    Acked-by: Andrew G. Morgan
    Acked-by: Michael Kerrisk
    Cc: Ulrich Drepper
    Cc: James Morris
    Signed-off-by: James Morris

    Serge E. Hallyn
     

22 Oct, 2009

1 commit

  • e95646c3e   virtio: let header files include virtio_ids.h ... Browse Code »

    Rusty,

    commit 3ca4f5ca73057a617f9444a91022d7127041970a
    virtio: add virtio IDs file
    moved all device IDs into a single file. While the change itself is
    a very good one, it can break userspace applications. For example
    if a userspace tool wanted to get the ID of virtio_net it used to
    include virtio_net.h. This does no longer work, since virtio_net.h
    does not include virtio_ids.h.
    This patch moves all "#include " from the C
    files into the header files, making the header files compatible with
    the old ones.

    In addition, this patch exports virtio_ids.h to userspace.

    CC: Fernando Luis Vazquez Cao
    Signed-off-by: Christian Borntraeger
    Signed-off-by: Rusty Russell

    Christian Borntraeger
     

06 Oct, 2009

1 commit

10 Sep, 2009

1 commit

22 Jun, 2009

1 commit

  • f5db4af46   dm raid1: add userspace log ... Browse Code »

    This patch contains a device-mapper mirror log module that forwards
    requests to userspace for processing.

    The structures used for communication between kernel and userspace are
    located in include/linux/dm-log-userspace.h. Due to the frequency,
    diversity, and 2-way communication nature of the exchanges between
    kernel and userspace, 'connector' was chosen as the interface for
    communication.

    The first log implementations written in userspace - "clustered-disk"
    and "clustered-core" - support clustered shared storage. A userspace
    daemon (in the LVM2 source code repository) uses openAIS/corosync to
    process requests in an ordered fashion with the rest of the nodes in the
    cluster so as to prevent log state corruption. Other implementations
    with no association to LVM or openAIS/corosync, are certainly possible.

    (Imagine if two machines are writing to the same region of a mirror.
    They would both mark the region dirty, but you need a cluster-aware
    entity that can handle properly marking the region clean when they are
    done. Otherwise, you might clear the region when the first machine is
    done, not the second.)

    Signed-off-by: Jonathan Brassow
    Cc: Evgeniy Polyakov
    Signed-off-by: Alasdair G Kergon

    Jonthan Brassow
     

19 Jun, 2009

1 commit

  • eae9d2ba0   LinuxPPS: core support ... Browse Code »

    This patch adds the kernel side of the PPS support currently named
    "LinuxPPS".

    PPS means "pulse per second" and a PPS source is just a device which
    provides a high precision signal each second so that an application can
    use it to adjust system clock time.

    Common use is the combination of the NTPD as userland program with a GPS
    receiver as PPS source to obtain a wallclock-time with sub-millisecond
    synchronisation to UTC.

    To obtain this goal the userland programs shoud use the PPS API
    specification (RFC 2783 - Pulse-Per-Second API for UNIX-like Operating
    Systems, Version 1.0) which in part is implemented by this patch. It
    provides a set of chars devices, one per PPS source, which can be used to
    get the time signal. The RFC's functions can be implemented by accessing
    to these char devices.

    Signed-off-by: Rodolfo Giometti
    Cc: David Woodhouse
    Cc: Greg KH
    Cc: Randy Dunlap
    Cc: Kay Sievers
    Acked-by: Alan Cox
    Cc: Michael Kerrisk
    Cc: Christoph Hellwig
    Cc: Roman Zippel
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Rodolfo Giometti
     

15 Jun, 2009

1 commit

12 Jun, 2009

1 commit

04 Jun, 2009

1 commit

  • 19d337dff   rfkill: rewrite ... Browse Code »

    This patch completely rewrites the rfkill core to address
    the following deficiencies:

    * all rfkill drivers need to implement polling where necessary
    rather than having one central implementation

    * updating the rfkill state cannot be done from arbitrary
    contexts, forcing drivers to use schedule_work and requiring
    lots of code

    * rfkill drivers need to keep track of soft/hard blocked
    internally -- the core should do this

    * the rfkill API has many unexpected quirks, for example being
    asymmetric wrt. alloc/free and register/unregister

    * rfkill can call back into a driver from within a function the
    driver called -- this is prone to deadlocks and generally
    should be avoided

    * rfkill-input pointlessly is a separate module

    * drivers need to #ifdef rfkill functions (unless they want to
    depend on or select RFKILL) -- rfkill should provide inlines
    that do nothing if it isn't compiled in

    * the rfkill structure is not opaque -- drivers need to initialise
    it correctly (lots of sanity checking code required) -- instead
    force drivers to pass the right variables to rfkill_alloc()

    * the documentation is hard to read because it always assumes the
    reader is completely clueless and contains way TOO MANY CAPS

    * the rfkill code needlessly uses a lot of locks and atomic
    operations in locked sections

    * fix LED trigger to actually change the LED when the radio state
    changes -- this wasn't done before

    Tested-by: Alan Jenkins
    Signed-off-by: Henrique de Moraes Holschuh [thinkpad]
    Signed-off-by: Johannes Berg
    Signed-off-by: John W. Linville

    Johannes Berg
     

09 May, 2009

1 commit

03 Apr, 2009

1 commit

  • 8e2c3795c   add fiemap.h to header-y ... Browse Code »

    Include fiemap.h in header-y; it defines the interface for the
    FS_IOC_FIEMAP file mapping ioctl.

    Signed-off-by: Eric Sandeen
    Signed-off-by: Andrew Morton
    Signed-off-by: Linus Torvalds

    Eric Sandeen
     

30 Mar, 2009

2 commits

14 Mar, 2009

1 commit

01 Mar, 2009

1 commit

03 Feb, 2009

2 commits

30 Jan, 2009

1 commit

  • a229fc61e   include/linux: Add bsg.h to the Kernel exported headers ... Browse Code »

    bsg.h in current form is perfectly suitable for user-mode
    consumption. It is needed together with scsi/sg.h for applications
    that want to interface with the bsg driver.

    Currently the few projects that use it would copy it over into
    the projects. But that is not acceptable for projects that need
    to provide source and devel packages for distros.

    This should also be submitted to stable 2.6.28 and 2.6.27 since bsg had
    a stable API since these Kernels and distro users will need the header
    for these kernels a swell

    Signed-off-by: Boaz Harrosh
    Acked-by: FUJITA Tomonori
    CC: stable@kernel.org
    Signed-off-by: Jens Axboe

    Boaz Harrosh
     

08 Jan, 2009

1 commit

07 Jan, 2009

1 commit

06 Jan, 2009

2 commits

12 Dec, 2008

1 commit

20 Oct, 2008

1 commit

17 Oct, 2008

1 commit

  • 36ac1d2f3   Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input ... Browse Code »

    * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (32 commits)
    Input: wm97xx - update email address for Liam Girdwood
    Input: i8042 - add Thinkpad R31 to nomux list
    Input: move map_to_7segment.h to include/linux
    Input: ads7846 - fix cache line sharing issue
    Input: cm109 - add missing newlines to messages
    Input: document i8042.debug in kernel-parameters.txt
    Input: keyboard - fix potential out of bound access to key_map
    Input: psmouse - add OLPC touchpad driver
    Input: psmouse - tweak PSMOUSE_DEFINE_ATTR to support raw set callbacks
    Input: psmouse - add psmouse_queue_work() for ps/2 extension to make use of
    Input: psmouse - export psmouse_set_state for ps/2 extensions to use
    Input: ads7846 - introduce .gpio_pendown to get pendown state
    Input: ALPS - add signature for DualPoint found in Dell Latitude E6500
    Input: serio_raw - allow attaching to translated (SERIO_I8042XL) ports
    Input: cm109 - don't use obsolete logging macros
    Input: atkbd - expand Latitude's force release quirk to other Dells
    Input: bf54x-keys - add power management support
    Input: atmel_tsadcc - improve accuracy
    Input: convert drivers to use strict_strtoul()
    Input: appletouch - handle geyser 3/4 status bits
    ...

    Linus Torvalds