1. 07 May, 2013 1 commit
    • John David Anglin's avatar
      parisc: only re-enable interrupts if we need to schedule or deliver signals... · c207a76b
      John David Anglin authored
      parisc: only re-enable interrupts if we need to schedule or deliver signals when returning to userspace
      
      Helge and I have found that we have a kernel stack overflow problem
      which causes a variety of random failures.
      Currently, we re-enable interrupts when returning from an external
      interrupt incase we need to schedule or delivery
      signals.  As a result, a potentially unlimited number of interrupts
      can occur while we are running on the kernel
      stack.  It is very limited in space (currently, 16k).  This change
      defers enabling interrupts until we have
      actually decided to schedule or delivery signals.  This only occurs
      when we about to return to userspace.  This
      limits the number of interrupts on the kernel stack to one.  In other
      cases, interrupts remain disabled until the
      final return from interrupt (rfi).
      Signed-off-by: default avatarJohn David Anglin  <dave.anglin@bell.net>
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      c207a76b
  2. 06 May, 2013 9 commits
    • Helge Deller's avatar
      parisc: implement atomic64_dec_if_positive() · f21dda02
      Helge Deller authored
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      f21dda02
    • John David Anglin's avatar
      parisc: use long branch in fork_like macro · bbbfde78
      John David Anglin authored
      The "b" branch instruction used in the fork_like macro only can handle
      17-bit pc-relative offsets.
      This fails with an out of range offset with some .config files.
      Rewrite to use the "be" instruction which
      can branch to any address in a space.
      Signed-off-by: default avatarJohn David Anglin  <dave.anglin@bell.net>
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      bbbfde78
    • Mike Frysinger's avatar
      parisc: fix NATIVE set up in build · 93782eba
      Mike Frysinger authored
      The ifeq operator does not accept globs, so this little bit of code will
      never match (unless uname literally prints out "parsic*").  Rewrite to
      use a pattern matching operator so that NATIVE is set to 1 on parisc.
      Signed-off-by: default avatarMike Frysinger <vapier@gentoo.org>
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      93782eba
    • Helge Deller's avatar
      parisc: document the parisc gateway page · dde39798
      Helge Deller authored
      Include some documentation about how the parisc gateway page technically
      works and how it is used from userspace.
      
      James Bottomley is the original author of this description and it was
      copied here out of an email thread from Apr 12 2013 titled:
      man2 : syscall.2 : document syscall calling conventions
      
      CC: James Bottomley <James.Bottomley@HansenPartnership.com>
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      dde39798
    • Helge Deller's avatar
      parisc: fix partly 16/64k PAGE_SIZE boot · 6a45716a
      Helge Deller authored
      This patch fixes partly PAGE_SIZEs of 16K or 64K by adjusting the
      assembler PTE lookup code and the assembler TEMPALIAS code.  Furthermore
      some data alignments for PAGE_SIZE have been limited to 4K (or less) to
      not waste too much memory with greater page sizes. As a side note, the
      palo loader can (currently) only handle up to 10 ELF segments which is
      fixed with tighter aligning as well.
      
      My testings indicated that the ldci command in the sba iommu coding
      needed adjustment by the PAGE_SHIFT value and that the I/O PDIR Page
      size was only set to 4K for my machine (C3000).
      
      All this fixes partly the boot, but there are still quite some caching
      problems left.  Examples are e.g. the symbios logic driver which is
      failing:
      
      sym0: <896> rev 0x7 at pci 0000:00:0f.0 irq 69
      sym0: PA-RISC Firmware, ID 7, Fast-40, SE, parity checking
      CACHE TEST FAILED: DMA error (dstat=0x81).sym0: CACHE INCORRECTLY CONFIGURED.
      
      and the tulip network driver which doesn't seem to work correctly
      either:
      
      Sending BOOTP requests .net eth0: Setting full-duplex based on MII#1
      link partner capability of 05e1
      ..... timed out!
      
      Beside those kernel fixes glibc will need fixes too to be able to handle
      >4K page sizes.
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      6a45716a
    • Damian Hobson-Garcia's avatar
      parisc: Provide default implementation for dma_{alloc, free}_attrs · 7f64fb41
      Damian Hobson-Garcia authored
      Most architectures that define CONFIG_HAVE_DMA, have implementations for
      both dma_alloc_attrs() and dma_free_attrs().  All achitectures that do
      not define CONFIG_HAVE_DMA also have both of these definitions provided by
      dma-mapping-broken.h.
      
      Add default implementations for these functions on parisc.
      Signed-off-by: default avatarDamian Hobson-Garcia <dhobsong@igel.co.jp>
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      7f64fb41
    • Rolf Eike Beer's avatar
      parisc: fix whitespace errors in arch/parisc/kernel/traps.c · a39e6bea
      Rolf Eike Beer authored
      Things like " \t" and whitespace at end of line. I'm leaving all the other
      coding style errors here alone.
      Signed-off-by: default avatarRolf Eike Beer <eike-kernel@sf-tec.de>
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      a39e6bea
    • Zhao Hongjiang's avatar
      parisc: remove the second argument of kmap_atomic · ba969c44
      Zhao Hongjiang authored
      kmap_atomic allows only one argument now, just move the second.
      Signed-off-by: default avatarZhao Hongjiang <zhaohongjiang@huawei.com>
      Signed-off-by: default avatarHelge Deller <deller@gmx.de>
      ba969c44
    • Linus Torvalds's avatar
      Merge tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next · d7ab7302
      Linus Torvalds authored
      Pull MFD update from Samuel Ortiz:
       "For 3.10 we have a few new MFD drivers for:
      
         - The ChromeOS embedded controller which provides keyboard, battery
           and power management services.  This controller is accessible
           through i2c or SPI.
      
         - Silicon Laboratories 476x controller, providing access to their FM
           chipset and their audio codec.
      
         - Realtek's RTS5249, a memory stick, MMC and SD/SDIO PCI based
           reader.
      
         - Nokia's Tahvo power button and watchdog device.  This device is
           very similar to Retu and is thus supported by the same code base.
      
         - STMicroelectronics STMPE1801, a keyboard and GPIO controller
           supported by the stmpe driver.
      
         - ST-Ericsson AB8540 and AB8505 power management and voltage
           converter controllers through the existing ab8500 code.
      
        Some other drivers got cleaned up or improved.  In particular:
      
         - The Linaro/STE guys got the ab8500 driver in sync with their
           internal code through a series of optimizations, fixes and
           improvements.
      
         - The AS3711 and OMAP USB drivers now have DT support.
      
         - The arizona clock and interrupt handling code got improved.
      
         - The wm5102 register patch and boot mechanism also got improved."
      
      * tag 'mfd-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next: (104 commits)
        mfd: si476x: Don't use 0bNNN
        mfd: vexpress: Handle pending config transactions
        mfd: ab8500: Export ab8500_gpadc_sw_hw_convert properly
        mfd: si476x: Fix i2c warning
        mfd: si476x: Add header files and Kbuild plumbing
        mfd: si476x: Add chip properties handling code
        mfd: si476x: Add the bulk of the core driver
        mfd: si476x: Add commands abstraction layer
        mfd: rtsx: Support RTS5249
        mfd: retu: Add Tahvo support
        mfd: ucb1400: Pass ucb1400-gpio data through ac97 bus
        mfd: wm8994: Add some OF properties
        mfd: wm8994: Add device ID data to WM8994 OF device IDs
        input: Export matrix_keypad_parse_of_params()
        mfd: tps65090: Add compatible string for charger subnode
        mfd: db8500-prcmu: Support platform dependant device selection
        mfd: syscon: Fix warnings when printing resource_size_t
        of: Add stub of_get_parent for non-OF builds
        mfd: omap-usb-tll: Convert to devm_ioremap_resource()
        mfd: omap-usb-host: Convert to devm_ioremap_resource()
        ...
      d7ab7302
  3. 05 May, 2013 30 commits
    • Linus Torvalds's avatar
      Merge tag 'kvm-3.10-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm · 01227a88
      Linus Torvalds authored
      Pull kvm updates from Gleb Natapov:
       "Highlights of the updates are:
      
        general:
         - new emulated device API
         - legacy device assignment is now optional
         - irqfd interface is more generic and can be shared between arches
      
        x86:
         - VMCS shadow support and other nested VMX improvements
         - APIC virtualization and Posted Interrupt hardware support
         - Optimize mmio spte zapping
      
        ppc:
          - BookE: in-kernel MPIC emulation with irqfd support
          - Book3S: in-kernel XICS emulation (incomplete)
          - Book3S: HV: migration fixes
          - BookE: more debug support preparation
          - BookE: e6500 support
      
        ARM:
         - reworking of Hyp idmaps
      
        s390:
         - ioeventfd for virtio-ccw
      
        And many other bug fixes, cleanups and improvements"
      
      * tag 'kvm-3.10-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (204 commits)
        kvm: Add compat_ioctl for device control API
        KVM: x86: Account for failing enable_irq_window for NMI window request
        KVM: PPC: Book3S: Add API for in-kernel XICS emulation
        kvm/ppc/mpic: fix missing unlock in set_base_addr()
        kvm/ppc: Hold srcu lock when calling kvm_io_bus_read/write
        kvm/ppc/mpic: remove users
        kvm/ppc/mpic: fix mmio region lists when multiple guests used
        kvm/ppc/mpic: remove default routes from documentation
        kvm: KVM_CAP_IOMMU only available with device assignment
        ARM: KVM: iterate over all CPUs for CPU compatibility check
        KVM: ARM: Fix spelling in error message
        ARM: KVM: define KVM_ARM_MAX_VCPUS unconditionally
        KVM: ARM: Fix API documentation for ONE_REG encoding
        ARM: KVM: promote vfp_host pointer to generic host cpu context
        ARM: KVM: add architecture specific hook for capabilities
        ARM: KVM: perform HYP initilization for hotplugged CPUs
        ARM: KVM: switch to a dual-step HYP init code
        ARM: KVM: rework HYP page table freeing
        ARM: KVM: enforce maximum size for identity mapped code
        ARM: KVM: move to a KVM provided HYP idmap
        ...
      01227a88
    • David Howells's avatar
      Give the OID registry file module info to avoid kernel tainting · 9e687946
      David Howells authored
      Give the OID registry file module information so that it doesn't taint the
      kernel when compiled as a module and loaded.
      Reported-by: default avatarDros Adamson <Weston.Adamson@netapp.com>
      Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
      cc: Trond Myklebust <Trond.Myklebust@netapp.com>
      cc: stable@vger.kernel.org
      cc: linux-nfs@vger.kernel.org
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      9e687946
    • Linus Torvalds's avatar
      Merge branch 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 534c97b0
      Linus Torvalds authored
      Pull 'full dynticks' support from Ingo Molnar:
       "This tree from Frederic Weisbecker adds a new, (exciting! :-) core
        kernel feature to the timer and scheduler subsystems: 'full dynticks',
        or CONFIG_NO_HZ_FULL=y.
      
        This feature extends the nohz variable-size timer tick feature from
        idle to busy CPUs (running at most one task) as well, potentially
        reducing the number of timer interrupts significantly.
      
        This feature got motivated by real-time folks and the -rt tree, but
        the general utility and motivation of full-dynticks runs wider than
        that:
      
         - HPC workloads get faster: CPUs running a single task should be able
           to utilize a maximum amount of CPU power.  A periodic timer tick at
           HZ=1000 can cause a constant overhead of up to 1.0%.  This feature
           removes that overhead - and speeds up the system by 0.5%-1.0% on
           typical distro configs even on modern systems.
      
         - Real-time workload latency reduction: CPUs running critical tasks
           should experience as little jitter as possible.  The last remaining
           source of kernel-related jitter was the periodic timer tick.
      
         - A single task executing on a CPU is a pretty common situation,
           especially with an increasing number of cores/CPUs, so this feature
           helps desktop and mobile workloads as well.
      
        The cost of the feature is mainly related to increased timer
        reprogramming overhead when a CPU switches its tick period, and thus
        slightly longer to-idle and from-idle latency.
      
        Configuration-wise a third mode of operation is added to the existing
        two NOHZ kconfig modes:
      
         - CONFIG_HZ_PERIODIC: [formerly !CONFIG_NO_HZ], now explicitly named
           as a config option.  This is the traditional Linux periodic tick
           design: there's a HZ tick going on all the time, regardless of
           whether a CPU is idle or not.
      
         - CONFIG_NO_HZ_IDLE: [formerly CONFIG_NO_HZ=y], this turns off the
           periodic tick when a CPU enters idle mode.
      
         - CONFIG_NO_HZ_FULL: this new mode, in addition to turning off the
           tick when a CPU is idle, also slows the tick down to 1 Hz (one
           timer interrupt per second) when only a single task is running on a
           CPU.
      
        The .config behavior is compatible: existing !CONFIG_NO_HZ and
        CONFIG_NO_HZ=y settings get translated to the new values, without the
        user having to configure anything.  CONFIG_NO_HZ_FULL is turned off by
        default.
      
        This feature is based on a lot of infrastructure work that has been
        steadily going upstream in the last 2-3 cycles: related RCU support
        and non-periodic cputime support in particular is upstream already.
      
        This tree adds the final pieces and activates the feature.  The pull
        request is marked RFC because:
      
         - it's marked 64-bit only at the moment - the 32-bit support patch is
           small but did not get ready in time.
      
         - it has a number of fresh commits that came in after the merge
           window.  The overwhelming majority of commits are from before the
           merge window, but still some aspects of the tree are fresh and so I
           marked it RFC.
      
         - it's a pretty wide-reaching feature with lots of effects - and
           while the components have been in testing for some time, the full
           combination is still not very widely used.  That it's default-off
           should reduce its regression abilities and obviously there are no
           known regressions with CONFIG_NO_HZ_FULL=y enabled either.
      
         - the feature is not completely idempotent: there is no 100%
           equivalent replacement for a periodic scheduler/timer tick.  In
           particular there's ongoing work to map out and reduce its effects
           on scheduler load-balancing and statistics.  This should not impact
           correctness though, there are no known regressions related to this
           feature at this point.
      
         - it's a pretty ambitious feature that with time will likely be
           enabled by most Linux distros, and we'd like you to make input on
           its design/implementation, if you dislike some aspect we missed.
           Without flaming us to crisp! :-)
      
        Future plans:
      
         - there's ongoing work to reduce 1Hz to 0Hz, to essentially shut off
           the periodic tick altogether when there's a single busy task on a
           CPU.  We'd first like 1 Hz to be exposed more widely before we go
           for the 0 Hz target though.
      
         - once we reach 0 Hz we can remove the periodic tick assumption from
           nr_running>=2 as well, by essentially interrupting busy tasks only
           as frequently as the sched_latency constraints require us to do -
           once every 4-40 msecs, depending on nr_running.
      
        I am personally leaning towards biting the bullet and doing this in
        v3.10, like the -rt tree this effort has been going on for too long -
        but the final word is up to you as usual.
      
        More technical details can be found in Documentation/timers/NO_HZ.txt"
      
      * 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
        sched: Keep at least 1 tick per second for active dynticks tasks
        rcu: Fix full dynticks' dependency on wide RCU nocb mode
        nohz: Protect smp_processor_id() in tick_nohz_task_switch()
        nohz_full: Add documentation.
        cputime_nsecs: use math64.h for nsec resolution conversion helpers
        nohz: Select VIRT_CPU_ACCOUNTING_GEN from full dynticks config
        nohz: Reduce overhead under high-freq idling patterns
        nohz: Remove full dynticks' superfluous dependency on RCU tree
        nohz: Fix unavailable tick_stop tracepoint in dynticks idle
        nohz: Add basic tracing
        nohz: Select wide RCU nocb for full dynticks
        nohz: Disable the tick when irq resume in full dynticks CPU
        nohz: Re-evaluate the tick for the new task after a context switch
        nohz: Prepare to stop the tick on irq exit
        nohz: Implement full dynticks kick
        nohz: Re-evaluate the tick from the scheduler IPI
        sched: New helper to prevent from stopping the tick in full dynticks
        sched: Kick full dynticks CPU that have more than one task enqueued.
        perf: New helper to prevent full dynticks CPUs from stopping tick
        perf: Kick full dynticks CPU if events rotation is needed
        ...
      534c97b0
    • Linus Torvalds's avatar
      Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 64049d19
      Linus Torvalds authored
      Pull perf fixes from Ingo Molnar:
       "Misc fixes plus a small hw-enablement patch for Intel IB model 58
        uncore events"
      
      * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        perf/x86/intel/lbr: Demand proper privileges for PERF_SAMPLE_BRANCH_KERNEL
        perf/x86/intel/lbr: Fix LBR filter
        perf/x86: Blacklist all MEM_*_RETIRED events for Ivy Bridge
        perf: Fix vmalloc ring buffer pages handling
        perf/x86/intel: Fix unintended variable name reuse
        perf/x86/intel: Add support for IvyBridge model 58 Uncore
        perf/x86/intel: Fix typo in perf_event_intel_uncore.c
        x86: Eliminate irq_mis_count counted in arch_irq_stat
      64049d19
    • Linus Torvalds's avatar
      Merge tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux · f8ce1faf
      Linus Torvalds authored
      Pull mudule updates from Rusty Russell:
       "We get rid of the general module prefix confusion with a binary config
        option, fix a remove/insert race which Never Happens, and (my
        favorite) handle the case when we have too many modules for a single
        commandline.  Seriously, the kernel is full, please go away!"
      
      * tag 'modules-next-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
        modpost: fix unwanted VMLINUX_SYMBOL_STR expansion
        X.509: Support parse long form of length octets in Authority Key Identifier
        module: don't unlink the module until we've removed all exposure.
        kernel: kallsyms: memory override issue, need check destination buffer length
        MODSIGN: do not send garbage to stderr when enabling modules signature
        modpost: handle huge numbers of modules.
        modpost: add -T option to read module names from file/stdin.
        modpost: minor cleanup.
        genksyms: pass symbol-prefix instead of arch
        module: fix symbol versioning with symbol prefixes
        CONFIG_SYMBOL_PREFIX: cleanup.
      f8ce1faf
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs · 24d0c254
      Linus Torvalds authored
      Pull single_open() leak fixes from Al Viro:
       "A bunch of fixes for a moderately common class of bugs: file with
        single_open() done by its ->open() and seq_release as its ->release().
      
        That leaks; fortunately, it's not _too_ common (either people manage
        to RTFM that says "When using single_open(), the programmer should use
        single_release() instead of seq_release() in the file_operations
        structure to avoid a memory leak", or they just copy a correct
        instance), but grepping through the tree has caught quite a pile.
      
        All of that is, AFAICS, -stable fodder, for as far as the patches
        apply.  I tried to carve it up into reasonably-sized pieces (more or
        less "comes from the same tree")"
      
      * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
        rcutrace: single_open() leaks
        gadget: single_open() leaks
        staging: single_open() leaks
        megaraid: single_open() leak
        wireless: single_open() leaks
        input: single_open() leak
        rtc: single_open() leaks
        ds1620: single_open() leak
        sh: single_open() leaks
        parisc: single_open() leaks
        mips: single_open() leaks
        ia64: single_open() leaks
        h8300: single_open() leaks
        cris: single_open() leaks
        arm: single_open() leaks
      24d0c254
    • Linus Torvalds's avatar
      Merge branch 'ipc-cleanups' · 802d0db8
      Linus Torvalds authored
      Merge ipc fixes and cleanups from my IPC branch.
      
      The ipc locking has always been pretty ugly, and the scalability fixes
      to some degree made it even less readable.  We had two cases of double
      unlocks in error paths due to this (one rcu read unlock, one semaphore
      unlock), and this fixes the bugs I found while trying to clean things up
      a bit so that we are less likely to have more.
      
      * ipc-cleanups:
        ipc: simplify rcu_read_lock() in semctl_nolock()
        ipc: simplify semtimedop/semctl_main() common error path handling
        ipc: move sem_obtain_lock() rcu locking into the only caller
        ipc: fix double sem unlock in semctl error path
        ipc: move the rcu_read_lock() from sem_lock_and_putref() into callers
        ipc: sem_putref() does not need the semaphore lock any more
        ipc: move rcu_read_unlock() out of sem_unlock() and into callers
      802d0db8
    • Scott Wood's avatar
      kvm: Add compat_ioctl for device control API · db6ae615
      Scott Wood authored
      This API shouldn't have 32/64-bit issues, but VFS assumes it does
      unless told otherwise.
      Signed-off-by: default avatarScott Wood <scottwood@freescale.com>
      Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
      db6ae615
    • Peter Zijlstra's avatar
      perf/x86/intel/lbr: Demand proper privileges for PERF_SAMPLE_BRANCH_KERNEL · 7cc23cd6
      Peter Zijlstra authored
      We should always have proper privileges when requesting kernel
      data.
      Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
      Cc: <stable@kernel.org>
      Cc: Andi Kleen <ak@linux.intel.com>
      Cc: eranian@google.com
      Link: http://lkml.kernel.org/r/20130503121256.230745028@chello.nl
      [ Fix build error reported by fengguang.wu@intel.com, propagate error code back. ]
      Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
      Link: http://lkml.kernel.org/n/tip-v0x9ky3ahzr6nm3c6ilwrili@git.kernel.org
      7cc23cd6
    • Al Viro's avatar
      rcutrace: single_open() leaks · 7ee2b9e5
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      7ee2b9e5
    • Al Viro's avatar
      gadget: single_open() leaks · 962a1ab2
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      962a1ab2
    • Al Viro's avatar
      staging: single_open() leaks · bae301d3
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      bae301d3
    • Al Viro's avatar
      megaraid: single_open() leak · 9bec8a74
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      9bec8a74
    • Al Viro's avatar
      wireless: single_open() leaks · bc3041f0
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      bc3041f0
    • Al Viro's avatar
      input: single_open() leak · 9b3a0a6f
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      9b3a0a6f
    • Al Viro's avatar
      rtc: single_open() leaks · 2e7718cf
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      2e7718cf
    • Al Viro's avatar
      ds1620: single_open() leak · 7485e16c
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      7485e16c
    • Al Viro's avatar
      sh: single_open() leaks · c39b9fd7
      Al Viro authored
      Cc: vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      c39b9fd7
    • Al Viro's avatar
      parisc: single_open() leaks · 46d4c0ff
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      46d4c0ff
    • Al Viro's avatar
      mips: single_open() leaks · acf300dd
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      acf300dd
    • Al Viro's avatar
      ia64: single_open() leaks · 75401461
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      75401461
    • Al Viro's avatar
      h8300: single_open() leaks · a81ecc16
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      a81ecc16
    • Al Viro's avatar
      cris: single_open() leaks · f42787df
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      f42787df
    • Al Viro's avatar
      arm: single_open() leaks · b11ac20e
      Al Viro authored
      Cc: stable@vger.kernel.org
      Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
      b11ac20e
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net · 1aaf6d3d
      Linus Torvalds authored
      Pull networking fixes from David Miller:
      
       1) Several routines do not use netdev_features_t to hold such bitmasks,
          fixes from Patrick McHardy and Bjørn Mork.
      
       2) Update cpsw IRQ software state and the actual HW irq enabling in the
          correct order.  From Mugunthan V N.
      
       3) When sending tipc packets to multiple bearers, we have to make
          copies of the SKB rather than just giving the original SKB directly.
          Fix from Gerlando Falauto.
      
       4) Fix race with bridging topology change timer, from Stephen
          Hemminger.
      
       5) Fix TCPv6 segmentation handling in GRE and VXLAN, from Pravin B
          Shelar.
      
       6) Endian bug in USB pegasus driver, from Dan Carpenter.
      
       7) Fix crashes on MTU reduction in USB asix driver, from Holger
          Eitzenberger.
      
       8) Don't allow the kernel to BUG() just because the user puts some crap
          in an AF_PACKET mmap() ring descriptor.  Fix from Daniel Borkmann.
      
       9) Don't use variable sized arrays on the stack in xen-netback, from
          Wei Liu.
      
      10) Fix stats reporting and an unbalanced napi_disable() in be2net
          driver.  From Somnath Kotur and Ajit Khaparde.
      
      * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (25 commits)
        cxgb4: fix error recovery when t4_fw_hello returns a positive value
        sky2: Fix crash on receiving VLAN frames
        packet: tpacket_v3: do not trigger bug() on wrong header status
        asix: fix BUG in receive path when lowering MTU
        net: qmi_wwan: Add Telewell TW-LTE 4G
        usbnet: pegasus: endian bug in write_mii_word()
        vxlan: Fix TCPv6 segmentation.
        gre: Fix GREv4 TCPv6 segmentation.
        bridge: fix race with topology change timer
        tipc: pskb_copy() buffers when sending on more than one bearer
        tipc: tipc_bcbearer_send(): simplify bearer selection
        tipc: cosmetic: clean up comments and break a long line
        drivers: net: cpsw: irq not disabled in cpsw isr in particular sequence
        xen-netback: better names for thresholds
        xen-netback: avoid allocating variable size array on stack
        xen-netback: remove redundent parameter in netbk_count_requests
        be2net: Fix to fail probe if MSI-X enable fails for a VF
        be2net: avoid napi_disable() when it has not been enabled
        be2net: Fix firmware download for Lancer
        be2net: Fix to receive Multicast Packets when Promiscuous mode is enabled on certain devices
        ...
      1aaf6d3d
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next · f589e9bf
      Linus Torvalds authored
      Pull sparc updates from David Miller:
      
       1) Hibernation support, as well as removal of excess interrupt
          twiddling in MMU context allocation on sparc64 from Kirill Tkhai.
      
       2) Kill references to __ARCH_WANT_UNLOCKED_CTXSW.
      
       3) Sparc32 LEON bug fixes from Daniel Hellstrom and Andreas Larsson.
      
       4) Provide cmpxchg64(), from Geert Uytterhoeven.
      
       5) Device refcount and registry bug fixes from Federico Vaga and Wei
          Yongjun.
      
      * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next:
        serial: sunsu: add missing platform_driver_unregister() when module exit
        sparc32, leon: Do not overwrite previously set irq flow handlers
        sparc/kernel/vio.c: add put_device() after device_find_child()
        sparc64: Do not save/restore interrupts in get_new_mmu_context()
        sparc: Consistently use 'wr' and 'rd' instructions for ASRs.
        sparc64: Kill __ARCH_WANT_UNLOCKED_CTXSW
        sparc64: Provide cmpxchg64()
        sparc64: Do not change num_physpages during initmem freeing
        sparc64: Hibernation support
        sparc,leon: updated GRPCI2 config name
        sparc,leon: support for GRPCI1 PCI host bridge controller
        sparc32,leon: add support for PCI busn resource for GRPCI2
      f589e9bf
    • David S. Miller's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc · 048c9acc
      David S. Miller authored
      Merge sparc bug fixes that didn't make it into v3.9 into
      sparc-next.
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      048c9acc
    • Wei Yongjun's avatar
      serial: sunsu: add missing platform_driver_unregister() when module exit · ad348cc5
      Wei Yongjun authored
      We have registered platform driver when module init, and
      need unregister it when module exit.
      Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      ad348cc5
    • Andreas Larsson's avatar
      sparc32, leon: Do not overwrite previously set irq flow handlers · 6e4741e7
      Andreas Larsson authored
      This is needed because when scan_of_devices finds the GAISLER_GPTIMER
      core that corresponds to the SMP "ticker" timer, the previously set
      proper irq flow handler gets overwritten with an incorrect one. This
      leads to very flaky timer interrupt handling on some hardware. Proper
      updates to handlers can still be done using leon_update_virq_handling.
      Signed-off-by: default avatarAndreas Larsson <andreas@gaisler.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      6e4741e7
    • Federico Vaga's avatar
      sparc/kernel/vio.c: add put_device() after device_find_child() · 75e44803
      Federico Vaga authored
      The vio_remove() function uses device_find_child() but it does not drop
      the reference of the retrieved child.
      Signed-off-by: default avatarFederico Vaga <federico.vaga@gmail.com>
      Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      75e44803