Граф коммитов

10586 Коммитов

Автор SHA1 Сообщение Дата
Linus Torvalds 23f347ef63 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking updates from David Miller:

 1) Fix inaccuracies in network driver interface documentation, from Ben
    Hutchings.

 2) Fix handling of negative offsets in BPF JITs, from Jan Seiffert.

 3) Compile warning, locking, and refcounting fixes in netfilter's
    xt_CT, from Pablo Neira Ayuso.

 4) phonet sendmsg needs to validate user length just like any other
    datagram protocol, fix from Sasha Levin.

 5) Ipv6 multicast code uses wrong loop index, from RongQing Li.

 6) Link handling and firmware fixes in bnx2x driver from Yaniv Rosner
    and Yuval Mintz.

 7) mlx4 erroneously allocates 4 pages at a time, regardless of page
    size, fix from Thadeu Lima de Souza Cascardo.

 8) SCTP socket option wasn't extended in a backwards compatible way,
    fix from Thomas Graf.

 9) Add missing address change event emissions to bonding, from Shlomo
    Pongratz.

10) /proc/net/dev regressed because it uses a private offset to track
    where we are in the hash table, but this doesn't track the offset
    pullback that the seq_file code does resulting in some entries being
    missed in large dumps.

    Fix from Eric Dumazet.

11) do_tcp_sendpage() unloads the send queue way too fast, because it
    invokes tcp_push() when it shouldn't.  Let the natural sequence
    generated by the splice paths, and the assosciated MSG_MORE
    settings, guide the tcp_push() calls.

    Otherwise what goes out of TCP is spaghetti and doesn't batch
    effectively into GSO/TSO clusters.

    From Eric Dumazet.

12) Once we put a SKB into either the netlink receiver's queue or a
    socket error queue, it can be consumed and freed up, therefore we
    cannot touch it after queueing it like that.

    Fixes from Eric Dumazet.

13) PPP has this annoying behavior in that for every transmit call it
    immediately stops the TX queue, then calls down into the next layer
    to transmit the PPP frame.

    But if that next layer can take it immediately, it just un-stops the
    TX queue right before returning from the transmit method.

    Besides being useless work, it makes several facilities unusable, in
    particular things like the equalizers.  Well behaved devices should
    only stop the TX queue when they really are full, and in PPP's case
    when it gets backlogged to the downstream device.

    David Woodhouse therefore fixed PPP to not stop the TX queue until
    it's downstream can't take data any more.

14) IFF_UNICAST_FLT got accidently lost in some recent stmmac driver
    changes, re-add.  From Marc Kleine-Budde.

15) Fix link flaps in ixgbe, from Eric W. Multanen.

16) Descriptor writeback fixes in e1000e from Matthew Vick.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (47 commits)
  net: fix a race in sock_queue_err_skb()
  netlink: fix races after skb queueing
  doc, net: Update ndo_start_xmit return type and values
  doc, net: Remove instruction to set net_device::trans_start
  doc, net: Update netdev operation names
  doc, net: Update documentation of synchronisation for TX multiqueue
  doc, net: Remove obsolete reference to dev->poll
  ethtool: Remove exception to the requirement of holding RTNL lock
  MAINTAINERS: update for Marvell Ethernet drivers
  bonding: properly unset current_arp_slave on slave link up
  phonet: Check input from user before allocating
  tcp: tcp_sendpages() should call tcp_push() once
  ipv6: fix array index in ip6_mc_add_src()
  mlx4: allocate just enough pages instead of always 4 pages
  stmmac: re-add IFF_UNICAST_FLT for dwmac1000
  bnx2x: Clear MDC/MDIO warning message
  bnx2x: Fix BCM57711+BCM84823 link issue
  bnx2x: Clear BCM84833 LED after fan failure
  bnx2x: Fix BCM84833 PHY FW version presentation
  bnx2x: Fix link issue for BCM8727 boards.
  ...
2012-04-06 10:37:38 -07:00
Ben Hutchings e34fac1c2e doc, net: Update ndo_start_xmit return type and values
Commit dc1f8bf68b ('netdev: change
transmit to limited range type') changed the required return type and
9a1654ba0b ('net: Optimize
hard_start_xmit() return checking') changed the valid numerical
return values.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-06 02:43:13 -04:00
Ben Hutchings de7aca16fd doc, net: Remove instruction to set net_device::trans_start
Commit 08baf56108 ('net:
txq_trans_update() helper') made it unnecessary for most drivers to
set net_device::trans_start (or netdev_queue::trans_start).

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-06 02:43:13 -04:00
Ben Hutchings b3cf65457f doc, net: Update netdev operation names
Commits d314774cf2 ('netdev: network
device operations infrastructure') and
008298231a ('netdev: add more functions
to netdevice ops') moved and renamed net device operation pointers.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-06 02:43:12 -04:00
Ben Hutchings 04fd3d3515 doc, net: Update documentation of synchronisation for TX multiqueue
Commits e308a5d806 ('netdev: Add
netdev->addr_list_lock protection.') and
e8a0464cc9 ('netdev: Allocate multiple
queues for TX.') introduced more fine-grained locks.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-06 02:43:12 -04:00
Ben Hutchings 93b6a3adbd doc, net: Remove obsolete reference to dev->poll
Commit bea3348eef ('[NET]: Make NAPI
polling independent of struct net_device objects.') removed the
automatic disabling of NAPI polling by dev_close(), and drivers
must now do this themselves.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-06 02:43:12 -04:00
Linus Torvalds 314489bd4c ARM: SoC fixes for 3.4-rc2
A bunch of fixes for regressions (and a few other problems) in 3.4-rc1:
 
 * Fix for regression of mach/io.h cleanup on platforms with PCI or PCMCIA
   (adding back the include file on those for now)
 * AT91 fixes for usb and spi
 * smsc911x ethernet fixes for i.MX
 * smsc911x fixes for OMAP
 * gpio fixes for Tegra
 * A handful of build error and warning fixes for various platforms
 * cpufreq kconfig dependencies, build and lowlevel debug fixes for
   Samsung platforms
 
 In other words, more or less the regular collection of -rc1/2 type
 material. A few of them, in particular the smsc911x for OMAP series, aren't
 technically regressions for 3.4, but they're valid fixes and we're still
 relatively early in the rc cycle so it seems appropriate to include them.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull "ARM: SoC fixes: from Olof Johansson:
 "A bunch of fixes for regressions (and a few other problems) in
  3.4-rc1:

 - Fix for regression of mach/io.h cleanup on platforms with PCI or
   PCMCIA (adding back the include file on those for now)
 - AT91 fixes for usb and spi
 - smsc911x ethernet fixes for i.MX
 - smsc911x fixes for OMAP
 - gpio fixes for Tegra
 - A handful of build error and warning fixes for various platforms
 - cpufreq kconfig dependencies, build and lowlevel debug fixes for
   Samsung platforms

  In other words, more or less the regular collection of -rc1/2 type
  material.  A few of them, in particular the smsc911x for OMAP series,
  aren't technically regressions for 3.4, but they're valid fixes and
  we're still relatively early in the rc cycle so it seems appropriate
  to include them."

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (60 commits)
  ARM: fix __io macro for PCMCIA
  ARM: EXYNOS: Fix compiler warning in dma.c file
  ARM: EXYNOS: fix ISO C90 warning
  ARM: OMAP2+: hwmod: Fix wrong SYSC_TYPE1_XXX_MASK bit definitions
  ARM: OMAP2+: hwmod: Make omap_hwmod_softreset wait for reset status
  ARM: OMAP2+: hwmod: Restore sysc after a reset
  ARM: OMAP2+: omap_hwmod: Allow io_ring wakeup configuration for all modules
  ARM: OMAP3: clock data: fill in some missing clockdomains
  ARM: OMAP4: clock data: Force a DPLL clkdm/pwrdm ON before a relock
  ARM: OMAP4: clock data: fix mult and div mask for USB_DPLL
  ARM: OMAP2+: powerdomain: Wait for powerdomain transition in pwrdm_state_switch()
  gpio: tegra: Iterate over the correct number of banks
  gpio: tegra: fix register address calculations for Tegra30
  EXYNOS: fix dependency for EXYNOS_CPUFREQ
  ARM: at91: dt: remove unit-address part for memory nodes
  ARM: at91: fix check of valid GPIO for SPI and USB
  USB: ehci-atmel: add needed of.h header file
  ARM: at91/NAND DT bindings: add comments
  ARM: at91/at91sam9x5.dtsi: fix NAND ale/cle in DT file
  USB: ohci-at91: trivial return code name change
  ...
2012-04-05 22:13:39 -07:00
Linus Torvalds 58bca4a8fa Merge branch 'for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA mapping branch from Marek Szyprowski:
 "Short summary for the whole series:

  A few limitations have been identified in the current dma-mapping
  design and its implementations for various architectures.  There exist
  more than one function for allocating and freeing the buffers:
  currently these 3 are used dma_{alloc, free}_coherent,
  dma_{alloc,free}_writecombine, dma_{alloc,free}_noncoherent.

  For most of the systems these calls are almost equivalent and can be
  interchanged.  For others, especially the truly non-coherent ones
  (like ARM), the difference can be easily noticed in overall driver
  performance.  Sadly not all architectures provide implementations for
  all of them, so the drivers might need to be adapted and cannot be
  easily shared between different architectures.  The provided patches
  unify all these functions and hide the differences under the already
  existing dma attributes concept.  The thread with more references is
  available here:

    http://www.spinics.net/lists/linux-sh/msg09777.html

  These patches are also a prerequisite for unifying DMA-mapping
  implementation on ARM architecture with the common one provided by
  dma_map_ops structure and extending it with IOMMU support.  More
  information is available in the following thread:

    http://thread.gmane.org/gmane.linux.kernel.cross-arch/12819

  More works on dma-mapping framework are planned, especially in the
  area of buffer sharing and managing the shared mappings (together with
  the recently introduced dma_buf interface: commit d15bd7ee44
  "dma-buf: Introduce dma buffer sharing mechanism").

  The patches in the current set introduce a new alloc/free methods
  (with support for memory attributes) in dma_map_ops structure, which
  will later replace dma_alloc_coherent and dma_alloc_writecombine
  functions."

People finally started piping up with support for merging this, so I'm
merging it as the last of the pending stuff from the merge window.
Looks like pohmelfs is going to wait for 3.5 and more external support
for merging.

* 'for-linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
  common: DMA-mapping: add NON-CONSISTENT attribute
  common: DMA-mapping: add WRITE_COMBINE attribute
  common: dma-mapping: introduce mmap method
  common: dma-mapping: remove old alloc_coherent and free_coherent methods
  Hexagon: adapt for dma_map_ops changes
  Unicore32: adapt for dma_map_ops changes
  Microblaze: adapt for dma_map_ops changes
  SH: adapt for dma_map_ops changes
  Alpha: adapt for dma_map_ops changes
  SPARC: adapt for dma_map_ops changes
  PowerPC: adapt for dma_map_ops changes
  MIPS: adapt for dma_map_ops changes
  X86 & IA64: adapt for dma_map_ops changes
  common: dma-mapping: introduce generic alloc() and free() methods
2012-04-04 17:13:43 -07:00
Linus Torvalds 4a1e8ebc5e regulator: Fixes for -rc1
A bunch of smallish fixes that came up during the merge window as
 things got more testing - even more fixes from Axel, a fix for error
 handling in more complex systems using -EPROBE_DEFER and a couple of
 small fixes for the new dummy regulators.
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Merge tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "A bunch of smallish fixes that came up during the merge window as
  things got more testing - even more fixes from Axel, a fix for error
  handling in more complex systems using -EPROBE_DEFER and a couple of
  small fixes for the new dummy regulators."

* tag 'regulator-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: Remove non-existent parameter from fixed-helper.c kernel doc
  regulator: Fix setting new voltage in s5m8767_set_voltage
  regulator: fix sysfs name collision between dummy and fixed dummy regulator
  regulator: Fix deadlock on removal of regulators with supplies
  regulator: Fix comments in include/linux/regulator/machine.h
  regulator: Only update [LDOx|DCx]_HIB_MODE bits in wm8350_[ldo|dcdc]_set_suspend_disable
  regulator: Fix setting low power mode for wm831x aldo
  regulator: Return microamps in wm8350_isink_get_current
  regulator: wm8350: Fix the logic to choose best current limit setting
  regulator: wm831x-isink: Fix the logic to choose best current limit setting
  regulator: wm831x-dcdc: Fix the logic to choose best current limit setting
  regulator: anatop: patching to device-tree property "reg".
  regulator: Do proper shift to set correct bit for DC[2|5]_HIB_MODE setting
  regulator: Fix restoring pmic.dcdcx_hib_mode settings in wm8350_dcdc_set_suspend_enable
  regulator: Fix unbalanced lock/unlock in mc13892_regulator_probe error path
  regulator: Fix set and get current limit for wm831x_buckv
  regulator: tps6586x: Fix list minimal voltage setting for LDO0
2012-04-04 10:09:30 -07:00
Linus Torvalds 6742259866 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Ingo Molnar.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86, kvm: Call restore_sched_clock_state() only after %gs is initialized
  x86: Use -mno-avx when available
  x86: Remove the ancient and deprecated disable_hlt() and enable_hlt() facility
  x86: Preserve lazy irq disable semantics in fixup_irqs()
2012-04-04 10:04:01 -07:00
Nicolas Ferre c16524e6a9 ARM: at91/NAND DT bindings: add comments
Add comments to NAND "gpios" property to make it clearer.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
2012-04-04 18:35:42 +02:00
Linus Torvalds 20d9d9a054 hwmon patches for 3.4-rc2
Fix crash in ad7314 driver
 Add support for AMD Trinity CPUs to k10temp driver
 Fix __initdata/__initconst mixup in w83627ehf driver
 Fix runtime warnings in acpi_power_meter and max6639 drivers
 Fix build warnings in adm1031, f75375s, sht15, and gpio-fan drivers
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Merge tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon patches from Guenter Roeck:
 - Fix crash in ad7314 driver
 - Add support for AMD Trinity CPUs to k10temp driver
 - Fix __initdata/__initconst mixup in w83627ehf driver
 - Fix runtime warnings in acpi_power_meter and max6639 drivers
 - Fix build warnings in adm1031, f75375s, sht15, and gpio-fan drivers

* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (ad7314) Adds missing spi_dev initialization
  hwmon: (k10temp) Add support for AMD Trinity CPUs
  hwmon: (w83627ehf) mark const init data with __initconst instead of __initdata
  hwmon: (acpi_power_meter) fix lockdep spew due to non-static lock class
  hwmon: (adm1031) Fix compiler warning
  hwmon: (f75375s) Fix warning message seen in some configurations
  hwmon: (max6639) Convert to dev_pm_ops
  hwmon: (sht15) Fix Kconfig dependencies
  hwmon: (gpio-fan) Fix Kconfig dependencies
2012-04-04 09:03:41 -07:00
Fernando Luis Vazquez Cao 5d6bd8619d TCP: update ip_local_port_range documentation
The explanation of ip_local_port_range in
Documentation/networking/ip-sysctl.txt contains several factual
errors:

- The default value of ip_local_port_range does not depend on the
  amount of memory available in the system.
- tcp_tw_recycle is not enabled by default.
- 1024-4999 is not the default value.
- Etc.

Clean up the mess.

Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-04-03 17:38:55 -04:00
Linus Torvalds b1a808ff43 Merge branch 'for-next' of git://gitorious.org/kernel-hsi/kernel-hsi
Pull HSI (High Speed Synchronous Serial Interface) framework from Carlos Chinea:
 "The High Speed Synchronous Serial Interface (HSI) is a serial
  interface mainly used for connecting application engines (APE) with
  cellular modem engines (CMT) in cellular handsets.

  The framework is currently being used for some people and we would
  like to see it integrated into the kernel for 3.3.  There is no HW
  controller drivers in this pull, but some people have already some of
  them pending which they would like to push as soon as this integrated.
  I am also working on the acceptance for an TI OMAP one, based on a
  compatible legacy version of the interface called SSI."

Ok, so it didn't get into 3.3, but here it is pulled into 3.4.

Several people piped up to say "yeah, we want this".

* 'for-next' of git://gitorious.org/kernel-hsi/kernel-hsi:
  HSI: hsi_char: Update ioctl-number.txt
  HSI: Add HSI API documentation
  HSI: hsi_char: Add HSI char device kernel configuration
  HSI: hsi_char: Add HSI char device driver
  HSI: hsi: Introducing HSI framework
2012-04-02 09:50:40 -07:00
Linus Torvalds deb74f5ca1 Autogenerated GPG tag for Rusty D1ADB8F1: 15EE 8D6C AB0E 7F0C F999 BFCB D920 0E6C D1AD B8F1
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Merge tag 'for-linus' of git://github.com/rustyrussell/linux

Pull cpumask cleanups from Rusty Russell:
 "(Somehow forgot to send this out; it's been sitting in linux-next, and
  if you don't want it, it can sit there another cycle)"

I'm a sucker for things that actually delete lines of code.

Fix up trivial conflict in arch/arm/kernel/kprobes.c, where Rusty fixed
a user of &cpu_online_map to be cpu_online_mask, but that code got
deleted by commit b21d55e98a ("ARM: 7332/1: extract out code patch
function from kprobes").

* tag 'for-linus' of git://github.com/rustyrussell/linux:
  cpumask: remove old cpu_*_map.
  documentation: remove references to cpu_*_map.
  drivers/cpufreq/db8500-cpufreq: remove references to cpu_*_map.
  remove references to cpu_*_map in arch/
2012-04-02 08:53:24 -07:00
Andre Przywara fbc729a446 hwmon: (k10temp) Add support for AMD Trinity CPUs
The on-chip northbridge's temperature sensor of the upcoming
AMD Trinity CPUs works the same as for the previous CPUs.
Since it has a different PCI-ID, we just add the new one to the list
supported by k10temp.
This allows to use the k10temp driver on those CPUs.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
2012-04-01 10:25:56 -07:00
Linus Torvalds f187e9fd68 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates and fixes from Ingo Molnar:
 "It's mostly fixes, but there's also two late items:

   - preliminary GTK GUI support for perf report
   - PMU raw event format descriptors in sysfs, to be parsed by tooling

  The raw event format in sysfs is a new ABI.  For example for the 'CPU'
  PMU we have:

    aldebaran:~> ll /sys/bus/event_source/devices/cpu/format/*
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/any
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/cmask
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/edge
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/event
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/inv
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/offcore_rsp
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/pc
    -r--r--r--. 1 root root 4096 Mar 31 10:29 /sys/bus/event_source/devices/cpu/format/umask

  those lists of fields contain a specific format:

    aldebaran:~> cat /sys/bus/event_source/devices/cpu/format/offcore_rsp
    config1:0-63

  So, those who wish to specify raw events can now use the following
  event format:

    -e cpu/cmask=1,event=2,umask=3

  Most people will not want to specify any events (let alone raw
  events), they'll just use whatever default event the tools use.

  But for more obscure PMU events that have no cross-architecture
  generic events the above syntax is more usable and a bit more
  structured than specifying hex numbers."

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (41 commits)
  perf tools: Remove auto-generated bison/flex files
  perf annotate: Fix off by one symbol hist size allocation and hit accounting
  perf tools: Add missing ref-cycles event back to event parser
  perf annotate: addr2line wants addresses in same format as objdump
  perf probe: Finder fails to resolve function name to address
  tracing: Fix ent_size in trace output
  perf symbols: Handle NULL dso in dso__name_len
  perf symbols: Do not include libgen.h
  perf tools: Fix bug in raw sample parsing
  perf tools: Fix display of first level of callchains
  perf tools: Switch module.h into export.h
  perf: Move mmap page data_head offset assertion out of header
  perf: Fix mmap_page capabilities and docs
  perf diff: Fix to work with new hists design
  perf tools: Fix modifier to be applied on correct events
  perf tools: Fix various casting issues for 32 bits
  perf tools: Simplify event_read_id exit path
  tracing: Fix ftrace stack trace entries
  tracing: Move the tracing_on/off() declarations into CONFIG_TRACING
  perf report: Add a simple GTK2-based 'perf report' browser
  ...
2012-03-31 13:34:04 -07:00
Linus Torvalds a75ee6ecd4 SCSI updates on 20120331
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

Pull SCSI updates from James Bottomley:
 "This is primarily another round of driver updates (lpfc, bfa, fcoe,
  ipr) plus a new ufshcd driver.  There shouldn't be anything
  controversial in here (The final deletion of scsi proc_ops which
  caused some build breakage has been held over until the next merge
  window to give us more time to stabilise it).

  I'm afraid, with me moving continents at exactly the wrong time,
  anything submitted after the merge window opened has been held over to
  the next merge window."

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (63 commits)
  [SCSI] ipr: Driver version 2.5.3
  [SCSI] ipr: Increase alignment boundary of command blocks
  [SCSI] ipr: Increase max concurrent oustanding commands
  [SCSI] ipr: Remove unnecessary memory barriers
  [SCSI] ipr: Remove unnecessary interrupt clearing on new adapters
  [SCSI] ipr: Fix target id allocation re-use problem
  [SCSI] atp870u, mpt2sas, qla4xxx use pci_dev->revision
  [SCSI] fcoe: Drop the rtnl_mutex before calling fcoe_ctlr_link_up
  [SCSI] bfa: Update the driver version to 3.0.23.0
  [SCSI] bfa: BSG and User interface fixes.
  [SCSI] bfa: Fix to avoid vport delete hang on request queue full scenario.
  [SCSI] bfa: Move service parameter programming logic into firmware.
  [SCSI] bfa: Revised Fabric Assigned Address(FAA) feature implementation.
  [SCSI] bfa: Flash controller IOC pll init fixes.
  [SCSI] bfa: Serialize the IOC hw semaphore unlock logic.
  [SCSI] bfa: Modify ISR to process pending completions
  [SCSI] bfa: Add fc host issue lip support
  [SCSI] mpt2sas: remove extraneous sas_log_info messages
  [SCSI] libfc: fcoe_transport_create fails in single-CPU environment
  [SCSI] fcoe: reduce contention for fcoe_rx_list lock [v2]
  ...
2012-03-31 13:31:23 -07:00
Linus Torvalds 3a0d184943 Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core locking updates from Thomas Gleixner.

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Mark get_robust_list as deprecated
  futex: Do not leak robust list to unprivileged process
2012-03-30 18:07:13 -07:00
Linus Torvalds 623ff7739e MTD merge for 3.4
Artem's cleanup of the MTD API continues apace.
 Fixes and improvements for ST FSMC and SuperH FLCTL NAND, amongst others.
 More work on DiskOnChip G3, new driver for DiskOnChip G4.
 Clean up debug/warning printks in JFFS2 to use pr_<level>.
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Merge tag 'for-linus-3.4' of git://git.infradead.org/mtd-2.6

Pull MTD changes from David Woodhouse:
 - Artem's cleanup of the MTD API continues apace.
 - Fixes and improvements for ST FSMC and SuperH FLCTL NAND, amongst
   others.
 - More work on DiskOnChip G3, new driver for DiskOnChip G4.
 - Clean up debug/warning printks in JFFS2 to use pr_<level>.

Fix up various trivial conflicts, largely due to changes in calling
conventions for things like dmaengine_prep_slave_sg() (new inline
wrapper to hide new parameter, clashing with rewrite of previously last
parameter that used to be an 'append' flag, and is now a bitmap of
'unsigned long flags').

(Also some header file fallout - like so many merges this merge window -
and silly conflicts with sparse fixes)

* tag 'for-linus-3.4' of git://git.infradead.org/mtd-2.6: (120 commits)
  mtd: docg3 add protection against concurrency
  mtd: docg3 refactor cascade floors structure
  mtd: docg3 increase write/erase timeout
  mtd: docg3 fix inbound calculations
  mtd: nand: gpmi: fix function annotations
  mtd: phram: fix section mismatch for phram_setup
  mtd: unify initialization of erase_info->fail_addr
  mtd: support ONFI multi lun NAND
  mtd: sm_ftl: fix typo in major number.
  mtd: add device-tree support to spear_smi
  mtd: spear_smi: Remove default partition information from driver
  mtd: Add device-tree support to fsmc_nand
  mtd: fix section mismatch for doc_probe_device
  mtd: nand/fsmc: Remove sparse warnings and errors
  mtd: nand/fsmc: Add DMA support
  mtd: nand/fsmc: Access the NAND device word by word whenever possible
  mtd: nand/fsmc: Use dev_err to report error scenario
  mtd: nand/fsmc: Use devm routines
  mtd: nand/fsmc: Modify fsmc driver to accept nand timing parameters via platform
  mtd: fsmc_nand: add pm callbacks to support hibernation
  ...
2012-03-30 17:31:56 -07:00
Linus Torvalds a335750b9a Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI & Power Management changes from Len Brown:
 - ACPI 5.0 after-ripples, ACPICA/Linux divergence cleanup
 - cpuidle evolving, more ARM use
 - thermal sub-system evolving, ditto
 - assorted other PM bits

Fix up conflicts in various cpuidle implementations due to ARM cpuidle
cleanups (ARM at91 self-refresh and cpu idle code rewritten into
"standby" in asm conflicting with the consolidation of cpuidle time
keeping), trivial SH include file context conflict and RCU tracing fixes
in generic code.

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (77 commits)
  ACPI throttling: fix endian bug in acpi_read_throttling_status()
  Disable MCP limit exceeded messages from Intel IPS driver
  ACPI video: Don't start video device until its associated input device has been allocated
  ACPI video: Harden video bus adding.
  ACPI: Add support for exposing BGRT data
  ACPI: export acpi_kobj
  ACPI: Fix logic for removing mappings in 'acpi_unmap'
  CPER failed to handle generic error records with multiple sections
  ACPI: Clean redundant codes in scan.c
  ACPI: Fix unprotected smp_processor_id() in acpi_processor_cst_has_changed()
  ACPI: consistently use should_use_kmap()
  PNPACPI: Fix device ref leaking in acpi_pnp_match
  ACPI: Fix use-after-free in acpi_map_lsapic
  ACPI: processor_driver: add missing kfree
  ACPI, APEI: Fix incorrect APEI register bit width check and usage
  Update documentation for parameter *notrigger* in einj.txt
  ACPI, APEI, EINJ, new parameter to control trigger action
  ACPI, APEI, EINJ, limit the range of einj_param
  ACPI, APEI, Fix ERST header length check
  cpuidle: power_usage should be declared signed integer
  ...
2012-03-30 16:45:39 -07:00
Linus Torvalds 919c840167 Various small bugfixes and enhancements, plus two new drivers:
- A quite complex ab8500 charger driver, submitted by
   Arun Murthy @ ST-Ericsson;
 - Summit Microelectronics SMB347 Battery Charger, submitted by
   Bruce E. Robertson and Alan Cox @ Intel.
 
 And that's all.
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Merge tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6

Pull battery updates from Anton Vorontsov:
 "Various small bugfixes and enhancements, plus two new drivers:
   - A quite complex ab8500 charger driver, submitted by Arun Murthy @
     ST-Ericsson;
   - Summit Microelectronics SMB347 Battery Charger, submitted by Bruce
     E Robertson and Alan Cox @ Intel.

  And that's all."

* tag 'for-v3.4-rc1' of git://git.infradead.org/battery-2.6: (36 commits)
  max17042_battery: Clean up interrupt handling
  Revert "max8998_charger: Include linux/module.h just once"
  ab8500_fg: Fix some build warnings on x86_64
  max17042_battery: Fix CHARGE_FULL representation.
  max8998_charger: Include linux/module.h just once
  power_supply: Convert i2c drivers to module_i2c_driver
  lp8727_charger: Add MODULE_DEVICE_TABLE
  charger-manager: Simplify charger_get_property(), get rid of a warning
  charger-manager: Clean up for better readability
  da9052-battery: Convert to use module_platform_driver
  da9052-battery: Fix a memory leak when unload the module
  da9052-battery: Add missing platform_set_drvdata
  ab8500: Turn unneeded global symbols into local ones
  ab8500_fg: Fix copy-paste error
  ab8500_fg: Get rid of 'struct battery_type'
  ab8500_fg: Get rid of 'struct v_to_cap'
  ab8500_btemp: Get rid of 'enum adc_therm'
  ab8500_charger: Convert to the new USB OTG calls
  ab8500-btemp: AB8500 battery temperature driver
  ab8500-fg: A8500 fuel gauge driver
  ...
2012-03-30 16:09:02 -07:00
Rafal Kapela c48013824b Documentation: fix typo in ABI/stable/sysfs-driver-usb-usbtmc
Fix "the the" in ABI/stable/sysfs-driver-usb-usbtmc

Signed-off-by: Rafal Kapela <raf.kapela@gmail.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Lucas De Marchi 78286cdf05 Documentation: replace install commands with softdeps
Install commands should not be used to specify soft dependencies among
modules. When loading modules it's much better to have a softdep that
modprobe knows what's being done than having to fork/exec another
instance of modprobe to load the other module.

By using a softdep user has also an option to remove the dependencies
when removing the module (and if its refcount dropped to 0)

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Lucas De Marchi 970e248649 Documentation: remove references to /etc/modprobe.conf
Usage of /etc/modprobe.conf file was deprecated by module-init-tools and
is no longer parsed by new kmod tool. References to this file are
replaced in Documentation, comments and Kconfig according to the
context.

There are also some references to the old /etc/modules.conf from 2.4
kernels that are being removed.

Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Randy Dunlap 096015236d Documentation: input.txt: clarify mousedev 'cat' command syntax
Clarify that the 'cat' command does not include the (c, 13, 32)
after it.

Reported-by: Dan Jidanni Jacobson <jidanni@jidanni.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Josh Triplett 9a7c48b7c3 Documentation: CodingStyle: add inline assembly guidelines
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Randy Dunlap 21106b0114 Documentation: sysrq: Crutcher Dunnavant is unavailable
Reported-by: Křištof Želechovski <giecrilj@stegny.2a.pl>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Javi Merino 673d29f9a0 Documentation: mention scripts/diffconfig tool
The kconfig documentation suggests using plain 'diff' to compare config
files and then adds "Yes, we need something better here".  Commit
a717417e7f ("kconfig: add diffconfig utility") added what that comment
was looking for.

Signed-off-by: Javi Merino <javi.merino@arm.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
H Hartley Sweeten f52a759327 Documentation: remove 'mach' from dontdiff file
The mach entry in the dontdiff file causes all the
arch/arm/mach-*/include/mach directories to be skipped.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-30 16:03:15 -07:00
Len Brown 73f0533049 Merge branch 'apei' into release
Conflicts:
	drivers/acpi/apei/apei-base.c

This was a conflict between

15afae6046
(CPI, APEI: Fix incorrect APEI register bit width check and usage)

and

653f4b538f
(ACPICA: Expand OSL memory read/write interfaces to 64 bits)

The former changed a parameter in the call to acpi_os_read_memory64()
and the later replaced all calls to acpi_os_read_memory64()
with calls to acpi_os_read_memory().

Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 16:14:02 -04:00
Len Brown 1a05e46787 Merge branches 'acpica', 'bgrt', 'bz-11533', 'cpuidle', 'ec', 'hotplug', 'misc', 'red-hat-bz-727865', 'thermal', 'throttling', 'turbostat' and 'video' into release
Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 16:10:37 -04:00
Matthew Garrett d1ff4b1cdb ACPI: Add support for exposing BGRT data
ACPI 5.0 adds the BGRT, a table that contains a pointer to the firmware
boot splash and associated metadata. This simple driver exposes it via
/sys/firmware/acpi in order to allow bootsplash applications to draw their
splash around the firmware image and reduce the number of jarring graphical
transitions during boot.

Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 04:09:24 -04:00
Chen Gong 6ef19ab7fa Update documentation for parameter *notrigger* in einj.txt
Add description of parameter notrigger in the einj.txt.
One can utilize this new parameter to do some SRAR injection
test. Pay attention, the operation is highly depended on the
BIOS implementation. If no proper BIOS supports it, even if
enabling this parameter, expected result will not happen.

v2:
  Update the documentation suggested by Tony

Suggested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Chen Gong <gong.chen@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 03:30:19 -04:00
Len Brown f6365201d8 x86: Remove the ancient and deprecated disable_hlt() and enable_hlt() facility
The X86_32-only disable_hlt/enable_hlt mechanism was used by the
32-bit floppy driver. Its effect was to replace the use of the
HLT instruction inside default_idle() with cpu_relax() - essentially
it turned off the use of HLT.

This workaround was commented in the code as:

 "disable hlt during certain critical i/o operations"

 "This halt magic was a workaround for ancient floppy DMA
  wreckage. It should be safe to remove."

H. Peter Anvin additionally adds:

 "To the best of my knowledge, no-hlt only existed because of
  flaky power distributions on 386/486 systems which were sold to
  run DOS.  Since DOS did no power management of any kind,
  including HLT, the power draw was fairly uniform; when exposed
  to the much hhigher noise levels you got when Linux used HLT
  caused some of these systems to fail.

  They were by far in the minority even back then."

Alan Cox further says:

 "Also for the Cyrix 5510 which tended to go castors up if a HLT
  occurred during a DMA cycle and on a few other boxes HLT during
  DMA tended to go astray.

  Do we care ? I doubt it. The 5510 was pretty obscure, the 5520
  fixed it, the 5530 is probably the oldest still in any kind of
  use."

So, let's finally drop this.

Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Josh Boyer <jwboyer@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Stephen Hemminger <shemminger@vyatta.com
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: <stable@kernel.org>
Link: http://lkml.kernel.org/n/tip-3rhk9bzf0x9rljkv488tloib@git.kernel.org
[ If anyone cares then alternative instruction patching could be
  used to replace HLT with a one-byte NOP instruction. Much simpler. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2012-03-30 08:50:27 +02:00
ShuoX Liu 3a53396b03 cpuidle: add a sysfs entry to disable specific C state for debug purpose.
Some C states of new CPU might be not good.  One reason is BIOS might
configure them incorrectly.  To help developers root cause it quickly, the
patch adds a new sysfs entry, so developers could disable specific C state
manually.

In addition, C state might have much impact on performance tuning, as it
takes much time to enter/exit C states, which might delay interrupt
processing.  With the new debug option, developers could check if a deep C
state could impact performance and how much impact it could cause.

Also add this option in Documentation/cpuidle/sysfs.txt.

[akpm@linux-foundation.org: check kstrtol return value]
Signed-off-by: ShuoX Liu <shuox.liu@intel.com>
Reviewed-by: Yanmin Zhang <yanmin_zhang@intel.com>
Reviewed-and-Tested-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
2012-03-30 01:52:58 -04:00
Linus Torvalds e152c38aba Devicetree documentation update for v3.4
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Merge tag 'devicetree-for-linus' of git://git.secretlab.ca/git/linux-2.6

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
2012-03-29 18:57:40 -07:00
Grant Likely 31134efc68 dt: Linux DT usage model documentation
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: Grant Likely <grant.likely@secretlab.ca>
2012-03-29 19:13:50 -06:00
Linus Torvalds a591afc01d Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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>
  ...
2012-03-29 18:12:23 -07:00
Linus Torvalds 71db34fc43 Merge branch 'for-3.4' of git://linux-nfs.org/~bfields/linux
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
  ...
2012-03-29 14:53:25 -07:00
Linus Torvalds 6b8212a313 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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
2012-03-29 14:28:26 -07:00
Kees Cook ec0c4274e3 futex: Mark get_robust_list as deprecated
Notify get_robust_list users that the syscall is going away.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Darren Hart <dvhart@linux.intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Serge E. Hallyn <serge.hallyn@canonical.com>
Cc: kernel-hardening@lists.openwall.com
Cc: spender@grsecurity.net
Link: http://lkml.kernel.org/r/20120323190855.GA27213@www.outflux.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2012-03-29 11:37:17 +02:00
Rusty Russell 5f054e31c6 documentation: remove references to cpu_*_map.
This has been obsolescent for a while, fix documentation and
misc comments.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-03-29 15:38:31 +10:30
Linus Torvalds b5174fa3a7 MMC highlights for 3.4:
Core:
  * Support for MMC 4.5 Data Tag feature -- we tag REQ_META, so devices
    that support Data Tag will provide increased throughput for metadata.
  * Faster detection of card removal on I/O errors.
 
 Drivers:
  * dw_mmc now supports eMMC Power Off Notify, has PCI support, and
    implements pre_req and post_req for asynchronous requests.
  * omap_hsmmc now supports device tree.
  * esdhc now has power management support.
  * sdhci-tegra now supports Tegra30 devices.
  * sdhci-spear now supports hibernation.
  * tmio_mmc now supports using a GPIO for card detection.
  * Intel PCH now supports 8-bit bus transfers.
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Merge tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC updates from Chris Ball:

Core:
 * Support for MMC 4.5 Data Tag feature -- we tag REQ_META, so devices
   that support Data Tag will provide increased throughput for metadata.
 * Faster detection of card removal on I/O errors.

Drivers:
 * dw_mmc now supports eMMC Power Off Notify, has PCI support, and
   implements pre_req and post_req for asynchronous requests.
 * omap_hsmmc now supports device tree.
 * esdhc now has power management support.
 * sdhci-tegra now supports Tegra30 devices.
 * sdhci-spear now supports hibernation.
 * tmio_mmc now supports using a GPIO for card detection.
 * Intel PCH now supports 8-bit bus transfers.

* tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (53 commits)
  mmc: sh_mmcif: simplify bitmask macros
  mmc: sh_mobile_sdhi: support modular mmc-core with non-standard hotplug
  mmc: sh_mobile_sdhi: add a callback for board specific init code
  mmc: tmio: cosmetic: prettify the tmio_mmc_set_ios() function
  mmc: sh_mobile_sdhi: do not manage PM clocks manually
  mmc: tmio_mmc: remove unused sdio_irq_enabled flag
  mmc: tmio_mmc: power status flag doesn't have to be exposed in platform data
  mmc: sh_mobile_sdhi: pass card hotplug GPIO number to TMIO MMC
  mmc: tmio_mmc: support the generic MMC GPIO card hotplug helper
  mmc: tmio: calculate the native hotplug condition only once
  mmc: simplify mmc_cd_gpio_request() by removing two parameters
  mmc: sdhci-pci: allow 8-bit bus width for Intel PCH
  mmc: sdhci: check interrupt flags in ISR again
  mmc: sdhci-pci: Add MSI support
  mmc: core: warn when card doesn't support HPI
  mmc: davinci: Poll status for small size transfers
  mmc: davinci: Eliminate spurious interrupts
  mmc: omap_hsmmc: Avoid a regulator voltage change with dt
  mmc: omap_hsmmc: Convert hsmmc driver to use device tree
  mmc: sdhci-pci: add SDHCI_QUIRK2_HOST_OFF_CARD_ON for Medfield SDIO
  ...
2012-03-28 20:59:45 -07:00
Linus Torvalds 532bfc851a Merge branch 'akpm' (Andrew's patch-bomb)
Merge third batch of patches from Andrew Morton:
 - Some MM stragglers
 - core SMP library cleanups (on_each_cpu_mask)
 - Some IPI optimisations
 - kexec
 - kdump
 - IPMI
 - the radix-tree iterator work
 - various other misc bits.

 "That'll do for -rc1.  I still have ~10 patches for 3.4, will send
  those along when they've baked a little more."

* emailed from Andrew Morton <akpm@linux-foundation.org>: (35 commits)
  backlight: fix typo in tosa_lcd.c
  crc32: add help text for the algorithm select option
  mm: move hugepage test examples to tools/testing/selftests/vm
  mm: move slabinfo.c to tools/vm
  mm: move page-types.c from Documentation to tools/vm
  selftests/Makefile: make `run_tests' depend on `all'
  selftests: launch individual selftests from the main Makefile
  radix-tree: use iterators in find_get_pages* functions
  radix-tree: rewrite gang lookup using iterator
  radix-tree: introduce bit-optimized iterator
  fs/proc/namespaces.c: prevent crash when ns_entries[] is empty
  nbd: rename the nbd_device variable from lo to nbd
  pidns: add reboot_pid_ns() to handle the reboot syscall
  sysctl: use bitmap library functions
  ipmi: use locks on watchdog timeout set on reboot
  ipmi: simplify locking
  ipmi: fix message handling during panics
  ipmi: use a tasklet for handling received messages
  ipmi: increase KCS timeouts
  ipmi: decrease the IPMI message transaction time in interrupt mode
  ...
2012-03-28 17:19:28 -07:00
Dave Young f0f57b2b14 mm: move hugepage test examples to tools/testing/selftests/vm
hugepage-mmap.c, hugepage-shm.c and map_hugetlb.c in Documentation/vm are
simple pass/fail tests, It's better to promote them to
tools/testing/selftests.

Thanks suggestion of Andrew Morton about this.  They all need firstly
setting up proper nr_hugepages and hugepage-mmap need to mount hugetlbfs.
So I add a shell script run_vmtests to do such work which will call the
three test programs and check the return value of them.

Changes to original code including below:
a. add run_vmtests script
b. return error when read_bytes mismatch with writed bytes.
c. coding style fixes: do not use assignment in if condition

[akpm@linux-foundation.org: build the targets before trying to execute them]
[akpm@linux-foundation.org: Documentation/vm/ no longer has a Makefile. Fixes "make clean"]
Signed-off-by: Dave Young <dyoung@redhat.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-28 17:14:37 -07:00
Dave Young c6dd897f3b mm: move page-types.c from Documentation to tools/vm
tools/ is the better place for vm tools which are used by many people.
Moving them to tools also make them open to more users instead of hide in
Documentation folder.

This patch moves page-types.c to tools/vm/page-types.c.  Also add a
Makefile in tools/vm and fix two coding style problems: a) change const
arrary to 'const char * const', b) change a space to tab for indent.

Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-03-28 17:14:37 -07:00
Jamie Lentin 83619ea08e mtd: Move fdt partition documentation to a seperate file
Partitions are described in the same way for all mtd devices when using
devicetree, move the documentation to a separate file and add references
to it.

Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
2012-03-28 17:07:30 -06:00
Linus Torvalds ed0bb8ea05 Merge branch 'for-linus-3.4' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf
Pull dma-buf updates from Sumit Semwal:
 "This includes the following key items:

   - kernel cpu access support,
   - flag-passing to dma_buf_fd,
   - relevant Documentation updates, and
   - some minor cleanups and fixes.

  These changes are needed for the drm prime/dma-buf interface code that
  Dave Airlie plans to submit in this merge window."

* 'for-linus-3.4' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf:
  dma-buf: correct dummy function declarations.
  dma-buf: document fd flags and O_CLOEXEC requirement
  dma_buf: Add documentation for the new cpu access support
  dma-buf: add support for kernel cpu access
  dma-buf: don't hold the mutex around map/unmap calls
  dma-buf: add get_dma_buf()
  dma-buf: pass flags into dma_buf_fd.
  dma-buf: add dma_data_direction to unmap dma_buf_op
  dma-buf: Move code out of mutex-protected section in dma_buf_attach()
  dma-buf: Return error instead of using a goto statement when possible
  dma-buf: Remove unneeded sanity checks
  dma-buf: Constify ops argument to dma_buf_export()
2012-03-28 15:02:41 -07:00
Linus Torvalds 2e7580b0e7 Merge branch 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Avi Kivity:
 "Changes include timekeeping improvements, support for assigning host
  PCI devices that share interrupt lines, s390 user-controlled guests, a
  large ppc update, and random fixes."

This is with the sign-off's fixed, hopefully next merge window we won't
have rebased commits.

* 'kvm-updates/3.4' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (130 commits)
  KVM: Convert intx_mask_lock to spin lock
  KVM: x86: fix kvm_write_tsc() TSC matching thinko
  x86: kvmclock: abstract save/restore sched_clock_state
  KVM: nVMX: Fix erroneous exception bitmap check
  KVM: Ignore the writes to MSR_K7_HWCR(3)
  KVM: MMU: make use of ->root_level in reset_rsvds_bits_mask
  KVM: PMU: add proper support for fixed counter 2
  KVM: PMU: Fix raw event check
  KVM: PMU: warn when pin control is set in eventsel msr
  KVM: VMX: Fix delayed load of shared MSRs
  KVM: use correct tlbs dirty type in cmpxchg
  KVM: Allow host IRQ sharing for assigned PCI 2.3 devices
  KVM: Ensure all vcpus are consistent with in-kernel irqchip settings
  KVM: x86 emulator: Allow PM/VM86 switch during task switch
  KVM: SVM: Fix CPL updates
  KVM: x86 emulator: VM86 segments must have DPL 3
  KVM: x86 emulator: Fix task switch privilege checks
  arch/powerpc/kvm/book3s_hv.c: included linux/sched.h twice
  KVM: x86 emulator: correctly mask pmc index bits in RDPMC instruction emulation
  KVM: mmu_notifier: Flush TLBs before releasing mmu_lock
  ...
2012-03-28 14:35:31 -07:00