1. 31 Mar, 2012 23 commits
  2. 30 Mar, 2012 6 commits
    • Linus Torvalds's avatar
      Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6 · e152c38a
      Linus Torvalds authored
      Pull devicetree documentation update from Grant Likely.
      
      * tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6:
        dt: Linux DT usage model documentation
        mtd: Move fdt partition documentation to a seperate file
      e152c38a
    • Linus Torvalds's avatar
      Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · eb05df9e
      Linus Torvalds authored
      Pull x86 cleanups from Peter Anvin:
       "The biggest textual change is the cleanup to use symbolic constants
        for x86 trap values.
      
        The only *functional* change and the reason for the x86/x32 dependency
        is the move of is_ia32_task() into <asm/thread_info.h> so that it can
        be used in other code that needs to understand if a system call comes
        from the compat entry point (and therefore uses i386 system call
        numbers) or not.  One intended user for that is the BPF system call
        filter.  Moving it out of <asm/compat.h> means we can define it
        unconditionally, returning always true on i386."
      
      * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86: Move is_ia32_task to asm/thread_info.h from asm/compat.h
        x86: Rename trap_no to trap_nr in thread_struct
        x86: Use enum instead of literals for trap values
      eb05df9e
    • Grant Likely's avatar
      dt: Linux DT usage model documentation · 31134efc
      Grant Likely authored
      v2: 2nd draft
       - Editorial cleanups (Randy Dunlap and Stephen Warren)
       - Added missing Microblaze reference (Stephen Neuendorffer)
       - Make example of platform_device creation clearer (Shawn Guo)
       - Expand on PowerPC history and mention i2c mess (David Gibson)
       - convert to plain text (remove bits of html formating)
      Signed-off-by: default avatarGrant Likely <grant.likely@secretlab.ca>
      31134efc
    • Linus Torvalds's avatar
      Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · a591afc0
      Linus Torvalds authored
      Pull x32 support for x86-64 from Ingo Molnar:
       "This tree introduces the X32 binary format and execution mode for x86:
        32-bit data space binaries using 64-bit instructions and 64-bit kernel
        syscalls.
      
        This allows applications whose working set fits into a 32 bits address
        space to make use of 64-bit instructions while using a 32-bit address
        space with shorter pointers, more compressed data structures, etc."
      
      Fix up trivial context conflicts in arch/x86/{Kconfig,vdso/vma.c}
      
      * 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
        x32: Fix alignment fail in struct compat_siginfo
        x32: Fix stupid ia32/x32 inversion in the siginfo format
        x32: Add ptrace for x32
        x32: Switch to a 64-bit clock_t
        x32: Provide separate is_ia32_task() and is_x32_task() predicates
        x86, mtrr: Use explicit sizing and padding for the 64-bit ioctls
        x86/x32: Fix the binutils auto-detect
        x32: Warn and disable rather than error if binutils too old
        x32: Only clear TIF_X32 flag once
        x32: Make sure TS_COMPAT is cleared for x32 tasks
        fs: Remove missed ->fds_bits from cessation use of fd_set structs internally
        fs: Fix close_on_exec pointer in alloc_fdtable
        x32: Drop non-__vdso weak symbols from the x32 VDSO
        x32: Fix coding style violations in the x32 VDSO code
        x32: Add x32 VDSO support
        x32: Allow x32 to be configured
        x32: If configured, add x32 system calls to system call tables
        x32: Handle process creation
        x32: Signal-related system calls
        x86: Add #ifdef CONFIG_COMPAT to <asm/sys_ia32.h>
        ...
      a591afc0
    • Linus Torvalds's avatar
      Merge tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc · 820d41cf
      Linus Torvalds authored
      Pull "ARM: cleanups of io includes" from Olof Johansson:
       "Rob Herring has done a sweeping change cleaning up all of the
        mach/io.h includes, moving some of the oft-repeated macros to a common
        location and removing a bunch of boiler plate.  This is another step
        closer to a common zImage for multiple platforms."
      
      Fix up various fairly trivial conflicts (<mach/io.h> removal vs changes
      around it, tegra localtimer.o is *still* gone, yadda-yadda).
      
      * tag 'cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (29 commits)
        ARM: tegra: Include assembler.h in sleep.S to fix build break
        ARM: pxa: use common IOMEM definition
        ARM: dma-mapping: convert ARCH_HAS_DMA_SET_COHERENT_MASK to kconfig symbol
        ARM: __io abuse cleanup
        ARM: create a common IOMEM definition
        ARM: iop13xx: fix missing declaration of iop13xx_init_early
        ARM: fix ioremap/iounmap for !CONFIG_MMU
        ARM: kill off __mem_pci
        ARM: remove bunch of now unused mach/io.h files
        ARM: make mach/io.h include optional
        ARM: clps711x: remove unneeded include of mach/io.h
        ARM: dove: add explicit include of dove.h to addr-map.c
        ARM: at91: add explicit include of hardware.h to uncompressor
        ARM: ep93xx: clean-up mach/io.h
        ARM: tegra: clean-up mach/io.h
        ARM: orion5x: clean-up mach/io.h
        ARM: davinci: remove unneeded mach/io.h include
        [media] davinci: remove includes of mach/io.h
        ARM: OMAP: Remove remaining includes for mach/io.h
        ARM: msm: clean-up mach/io.h
        ...
      820d41cf
    • Linus Torvalds's avatar
      Revert "ext4: don't release page refs in ext4_end_bio()" · 6268b325
      Linus Torvalds authored
      This reverts commit b43d17f3.
      
      Dave Jones reports that it causes lockups on his laptop, and his debug
      output showed a lot of processes hung waiting for page_writeback (or
      more commonly - processes hung waiting for a lock that was held during
      that writeback wait).
      
      The page_writeback hint made Ted suggest that Dave look at this commit,
      and Dave verified that reverting it makes his problems go away.
      
      Ted says:
       "That commit fixes a race which is seen when you write into fallocated
        (and hence uninitialized) disk blocks under *very* heavy memory
        pressure.  Furthermore, although theoretically it could trigger under
        normal direct I/O writes, it only seems to trigger if you are issuing
        a huge number of AIO writes, such that a just-written page can get
        evicted from memory, and then read back into memory, before the
        workqueue has a chance to update the extent tree.
      
        This race has been around for a little over a year, and no one noticed
        until two months ago; it only happens under fairly exotic conditions,
        and in fact even after trying very hard to create a simple repro under
        lab conditions, we could only reproduce the problem and confirm the
        fix on production servers running MySQL on very fast PCIe-attached
        flash devices.
      
        Given that Dave was able to hit this problem pretty quickly, if we
        confirm that this commit is at fault, the only reasonable thing to do
        is to revert it IMO."
      Reported-and-tested-by: default avatarDave Jones <davej@redhat.com>
      Acked-by: default avatarTheodore Ts'o <tytso@mit.edu>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      6268b325
  3. 29 Mar, 2012 11 commits
    • Linus Torvalds's avatar
      Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm · 12679a2d
      Linus Torvalds authored
      Pull more ARM updates from Russell King.
      
      This got a fair number of conflicts with the <asm/system.h> split, but
      also with some other sparse-irq and header file include cleanups.  They
      all looked pretty trivial, though.
      
      * 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (59 commits)
        ARM: fix Kconfig warning for HAVE_BPF_JIT
        ARM: 7361/1: provide XIP_VIRT_ADDR for no-MMU builds
        ARM: 7349/1: integrator: convert to sparse irqs
        ARM: 7259/3: net: JIT compiler for packet filters
        ARM: 7334/1: add jump label support
        ARM: 7333/2: jump label: detect %c support for ARM
        ARM: 7338/1: add support for early console output via semihosting
        ARM: use set_current_blocked() and block_sigmask()
        ARM: exec: remove redundant set_fs(USER_DS)
        ARM: 7332/1: extract out code patch function from kprobes
        ARM: 7331/1: extract out insn generation code from ftrace
        ARM: 7330/1: ftrace: use canonical Thumb-2 wide instruction format
        ARM: 7351/1: ftrace: remove useless memory checks
        ARM: 7316/1: kexec: EOI active and mask all interrupts in kexec crash path
        ARM: Versatile Express: add NO_IOPORT
        ARM: get rid of asm/irq.h in asm/prom.h
        ARM: 7319/1: Print debug info for SIGBUS in user faults
        ARM: 7318/1: gic: refactor irq_start assignment
        ARM: 7317/1: irq: avoid NULL check in for_each_irq_desc loop
        ARM: 7315/1: perf: add support for the Cortex-A7 PMU
        ...
      12679a2d
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils · 1c036588
      Linus Torvalds authored
      Pull cpupower updates from Dominik Brodowski.
      
      * git://git.kernel.org/pub/scm/linux/kernel/git/brodo/cpupowerutils:
        cpupower tools: add install target to the debug tools' makefiles
        cpupower tools: allow to build debug tools in a separate directory too
        cpupower: Fix broken mask values
        cpupower tool: allow to build in a separate directory
        cpupower tool: makefile: simplify the recipe used to generate cpupower.pot target
        cpupower tool: remove use of undefined variables from the clean target of the top makefile
        cpupower: Fix linking with --as-needed
        cpupower: Remove unneeded code and by that fix a memleak
        cpupower: Fix number of idle states
        cpupower: Unify cpupower-frequency-* manpages
        cpupower: Add cpupower-idle-info manpage
        cpupower: AMD fam14h/Ontario monitor can also be used by fam12h cpus
        cpupower: Better interface for accessing AMD pci registers
      1c036588
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia · a6f707b6
      Linus Torvalds authored
      Pull a few PCMCIA updates from Dominik Brodowski.
      
      Fix up trivial conflict (modified code in question had been removed) in
      drivers/pcmcia/soc_common.c.
      
      * git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia:
        pcmcia at91_cf: fix raw gpio number usage
        ARM: pxa: fix error handling in pxa2xx_drv_pcmcia_probe
        pcmcia: Convert to DEFINE_PCI_DEVICE_TABLE
        pcmcia: convert drivers/pcmcia/* to use module_platform_driver()
        pcmcia: irq: Remove IRQF_DISABLED
      a6f707b6
    • Linus Torvalds's avatar
      Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma · ef08e782
      Linus Torvalds authored
      Pull slave-dmaengine update from Vinod Koul:
       "This includes the cookie cleanup by Russell, the addition of context
        parameter for dmaengine APIs, more arm dmaengine driver cleanup by
        moving code to dmaengine, this time for imx by Javier and pl330 by
        Boojin along with the usual driver fixes."
      
      Fix up some fairly trivial conflicts with various other cleanups.
      
      * 'next' of git://git.infradead.org/users/vkoul/slave-dma: (67 commits)
        dmaengine: imx: fix the build failure on x86_64
        dmaengine: i.MX: Fix merge of cookie branch.
        dmaengine: i.MX: Add support for interleaved transfers.
        dmaengine: imx-dma: use 'dev_dbg' and 'dev_warn' for messages.
        dmaengine: imx-dma: remove 'imx_dmav1_baseaddr' and 'dma_clk'.
        dmaengine: imx-dma: remove unused arg of imxdma_sg_next.
        dmaengine: imx-dma: remove internal structure.
        dmaengine: imx-dma: remove 'resbytes' field of 'internal' structure.
        dmaengine: imx-dma: remove 'in_use' field of 'internal' structure.
        dmaengine: imx-dma: remove sg member from internal structure.
        dmaengine: imx-dma: remove 'imxdma_setup_sg_hw' function.
        dmaengine: imx-dma: remove 'imxdma_config_channel_hw' function.
        dmaengine: imx-dma: remove 'imxdma_setup_mem2mem_hw' function.
        dmaengine: imx-dma: remove dma_mode member of internal structure.
        dmaengine: imx-dma: remove data member from internal structure.
        dmaengine: imx-dma: merge old dma-v1.c with imx-dma.c
        dmaengine: at_hdmac: add slave config operation
        dmaengine: add context parameter to prep_slave_sg and prep_dma_cyclic
        dmaengine/dma_slave: introduce inline wrappers
        dma: imx-sdma: Treat firmware messages as warnings instead of erros
        ...
      ef08e782
    • Linus Torvalds's avatar
      Merge branch 'for-3.4' of git://linux-nfs.org/~bfields/linux · 71db34fc
      Linus Torvalds authored
      Pull nfsd changes from Bruce Fields:
      
      Highlights:
       - Benny Halevy and Tigran Mkrtchyan implemented some more 4.1 features,
         moving us closer to a complete 4.1 implementation.
       - Bernd Schubert fixed a long-standing problem with readdir cookies on
         ext2/3/4.
       - Jeff Layton performed a long-overdue overhaul of the server reboot
         recovery code which will allow us to deprecate the current code (a
         rather unusual user of the vfs), and give us some needed flexibility
         for further improvements.
       - Like the client, we now support numeric uid's and gid's in the
         auth_sys case, allowing easier upgrades from NFSv2/v3 to v4.x.
      
      Plus miscellaneous bugfixes and cleanup.
      
      Thanks to everyone!
      
      There are also some delegation fixes waiting on vfs review that I
      suppose will have to wait for 3.5.  With that done I think we'll finally
      turn off the "EXPERIMENTAL" dependency for v4 (though that's mostly
      symbolic as it's been on by default in distro's for a while).
      
      And the list of 4.1 todo's should be achievable for 3.5 as well:
      
         http://wiki.linux-nfs.org/wiki/index.php/Server_4.0_and_4.1_issues
      
      though we may still want a bit more experience with it before turning it
      on by default.
      
      * 'for-3.4' of git://linux-nfs.org/~bfields/linux: (55 commits)
        nfsd: only register cld pipe notifier when CONFIG_NFSD_V4 is enabled
        nfsd4: use auth_unix unconditionally on backchannel
        nfsd: fix NULL pointer dereference in cld_pipe_downcall
        nfsd4: memory corruption in numeric_name_to_id()
        sunrpc: skip portmap calls on sessions backchannel
        nfsd4: allow numeric idmapping
        nfsd: don't allow legacy client tracker init for anything but init_net
        nfsd: add notifier to handle mount/unmount of rpc_pipefs sb
        nfsd: add the infrastructure to handle the cld upcall
        nfsd: add a header describing upcall to nfsdcld
        nfsd: add a per-net-namespace struct for nfsd
        sunrpc: create nfsd dir in rpc_pipefs
        nfsd: add nfsd4_client_tracking_ops struct and a way to set it
        nfsd: convert nfs4_client->cl_cb_flags to a generic flags field
        NFSD: Fix nfs4_verifier memory alignment
        NFSD: Fix warnings when NFSD_DEBUG is not defined
        nfsd: vfs_llseek() with 32 or 64 bit offsets (hashes)
        nfsd: rename 'int access' to 'int may_flags' in nfsd_open()
        ext4: return 32/64-bit dir name hash according to usage type
        fs: add new FMODE flags: FMODE_32bithash and FMODE_64bithash
        ...
      71db34fc
    • Linus Torvalds's avatar
      Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile · 50483c32
      Linus Torvalds authored
      Pull arch/tile (really asm-generic) update from Chris Metcalf:
       "These are a couple of asm-generic changes that apply to tile."
      
      * git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
        compat: use sys_sendfile64() implementation for sendfile syscall
        [PATCH v3] ipc: provide generic compat versions of IPC syscalls
      50483c32
    • Linus Torvalds's avatar
      Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 7fda0412
      Linus Torvalds authored
      Pull scheduler fixes from Ingo Molnar.
      
      * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        cpusets: Remove an unused variable
        sched/rt: Improve pick_next_highest_task_rt()
        sched: Fix select_fallback_rq() vs cpu_active/cpu_online
        sched/x86/smp: Do not enable IRQs over calibrate_delay()
        sched: Fix compiler warning about declared inline after use
        MAINTAINERS: Update email address for SCHEDULER and PERF EVENTS
      7fda0412
    • Linus Torvalds's avatar
      Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · 6b8212a3
      Linus Torvalds authored
      Pull x86 updates from Ingo Molnar.
      
      This touches some non-x86 files due to the sanitized INLINE_SPIN_UNLOCK
      config usage.
      
      Fixed up trivial conflicts due to just header include changes (removing
      headers due to cpu_idle() merge clashing with the <asm/system.h> split).
      
      * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        x86/apic/amd: Be more verbose about LVT offset assignments
        x86, tls: Off by one limit check
        x86/ioapic: Add io_apic_ops driver layer to allow interception
        x86/olpc: Add debugfs interface for EC commands
        x86: Merge the x86_32 and x86_64 cpu_idle() functions
        x86/kconfig: Remove CONFIG_TR=y from the defconfigs
        x86: Stop recursive fault in print_context_stack after stack overflow
        x86/io_apic: Move and reenable irq only when CONFIG_GENERIC_PENDING_IRQ=y
        x86/apic: Add separate apic_id_valid() functions for selected apic drivers
        locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage
        x86/kconfig: Update defconfigs
        x86: Fix excessive MSR print out when show_msr is not specified
      6b8212a3
    • Linus Torvalds's avatar
      Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · bcd55074
      Linus Torvalds authored
      Pull timer core updates from Thomas Gleixner.
      
      * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
        ia64: vsyscall: Add missing paranthesis
        alarmtimer: Don't call rtc_timer_init() when CONFIG_RTC_CLASS=n
        x86: vdso: Put declaration before code
        x86-64: Inline vdso clock_gettime helpers
        x86-64: Simplify and optimize vdso clock_gettime monotonic variants
        kernel-time: fix s/then/than/ spelling errors
        time: remove no_sync_cmos_clock
        time: Avoid scary backtraces when warning of > 11% adj
        alarmtimer: Make sure we initialize the rtctimer
        ntp: Fix leap-second hrtimer livelock
        x86, tsc: Skip refined tsc calibration on systems with reliable TSC
        rtc: Provide flag for rtc devices that don't support UIE
        ia64: vsyscall: Use seqcount instead of seqlock
        x86: vdso: Use seqcount instead of seqlock
        x86: vdso: Remove bogus locking in update_vsyscall_tz()
        time: Remove bogus comments
        time: Fix change_clocksource locking
        time: x86: Fix race switching from vsyscall to non-vsyscall clock
      bcd55074
    • Luck, Tony's avatar
      Fix ia64 build errors (fallout from system.h disintegration) · 93f37888
      Luck, Tony authored
      Fix this build error on ia64:
      
        In file included from include/linux/sched.h:92,
                        from arch/ia64/kernel/asm-offsets.c:9:
        include/linux/llist.h:59:25: error: asm/cmpxchg.h: No such file or directory
        make[1]: *** [arch/ia64/kernel/asm-offsets.s] Error 1
      
      Right now we don't seem to need any actual contents for the
      asm/cmpxchg.h to make the build work ...  so leave the migration of
      xchg() and cmpxchg() to this new header file for a future patch.
      
      Also process.c needs <asm/switch_to.h> (for definition of pfm_syst_info).
      Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
      Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
      93f37888
    • Linus Torvalds's avatar
      Merge branch 'irqdomain/merge' of git://git.secretlab.ca/git/linux-2.6 · 55a32030
      Linus Torvalds authored
      Pull the code to generalize the powerpc VIRQ_DEBUG code from Grant Likely.
      
      That code had been moved into generic irqdomain code, but still had
      powerpc-specific code and could only be enabled on powerpc.
      
      * 'irqdomain/merge' of git://git.secretlab.ca/git/linux-2.6:
        irqdomain/powerpc: updated defconfigs for VIRQ_DEBUG rename
        irqdomain: Remove powerpc dependency from debugfs file
      55a32030