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2017-04-19Merge tag 'arm-soc-pmdomain' of ↵Olof Johansson
git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers ARM SOC PM domain support for 4.12 Dave Gerlach (5): PM / Domains: Add generic data pointer to genpd data struct PM / Domains: Do not check if simple providers have phandle cells dt-bindings: Add TI SCI PM Domains soc: ti: Add ti_sci_pm_domains driver ARM: keystone: Drop PM domain support for k2g * tag 'arm-soc-pmdomain' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone: ARM: keystone: Drop PM domain support for k2g soc: ti: Add ti_sci_pm_domains driver dt-bindings: Add TI SCI PM Domains PM / Domains: Do not check if simple providers have phandle cells PM / Domains: Add generic data pointer to genpd data struct Signed-off-by: Olof Johansson <olof@lixom.net>
2017-04-19quota: Remove dquot_quotactl_opsJan Kara
Nobody uses them anymore. Signed-off-by: Jan Kara <jack@suse.cz>
2017-04-19Merge tag 'v4.11-rc7' into drm-nextDave Airlie
Backmerge Linux 4.11-rc7 from Linus tree, to fix some conflicts that were causing problems with the rerere cache in drm-tip.
2017-04-19ACPI / tables: Drop acpi_parse_entries() which is not usedBaoquan He
Function acpi_parse_entries() is not used any more and if necessary, acpi_table_parse_entries() can be used instead of it, so drop it. Signed-off-by: Baoquan He <bhe@redhat.com> [ rjw: Subject / changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2017-04-18PCI: Change pci_host_common_probe() visibilityMarc Gonzalez
pci_host_common_probe() is defined when CONFIG_PCI_HOST_COMMON=y; therefore the function declaration should match that. drivers/pci/host/pcie-tango.c:300:9: error: implicit declaration of function 'pci_host_common_probe' Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-18cma: Introduce cma_for_each_areaLaura Abbott
Frameworks (e.g. Ion) may want to iterate over each possible CMA area to allow for enumeration. Introduce a function to allow a callback. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-18cma: Store a name in the cma structureLaura Abbott
Frameworks that may want to enumerate CMA heaps (e.g. Ion) will find it useful to have an explicit name attached to each region. Store the name in each CMA structure. Signed-off-by: Laura Abbott <labbott@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-18PCI/irq: Add pci_request_irq() and pci_free_irq() helpersChristoph Hellwig
These are small wrappers around request_threaded_irq() and free_irq(), which dynamically allocate space for the device name so that drivers don't need to keep static buffers for these around. Additionally it works with device-relative vector numbers to make the usage easier, and force the IRQF_SHARED flag on given that it has no runtime overhead and should be supported by all PCI devices. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2017-04-18genirq: Return the IRQ name from free_irq()Christoph Hellwig
This allows callers to get back at them instead of having to store it in another variable. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
2017-04-18PCI: Add arch_can_pci_mmap_io() on architectures which can mmap() I/O spaceDavid Woodhouse
This is relatively esoteric, and knowing that we don't have it makes life easier in some cases rather than just an eventual -EINVAL from pci_mmap_page_range(). Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-18PCI: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h>David Woodhouse
We can declare it <linux/pci.h> even on platforms where it isn't going to be defined. There's no need to have it littered through the various <asm/pci.h> files. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-18PCI: Add arch_can_pci_mmap_wc() macroDavid Woodhouse
Most of the almost-identical versions of pci_mmap_page_range() silently ignore the 'write_combine' argument and give uncached mappings. Yet we allow the PCIIOC_WRITE_COMBINE ioctl in /proc/bus/pci, expose the 'resourceX_wc' file in sysfs, and allow an attempted mapping to apparently succeed. To fix this, introduce a macro arch_can_pci_mmap_wc() which indicates whether the platform can do a write-combining mapping. On x86 this ends up being pat_enabled(), while the few other platforms that support it can just set it to a literal '1'. Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2017-04-18ftrace: Move the probe function into the tracing directorySteven Rostedt (VMware)
As nothing outside the tracing directory uses the function probes mechanism, I'm moving the prototypes out of the include/linux/ftrace.h and into the local kernel/trace/trace.h header. I plan on making them hook to the trace_array structure which is local to kernel/trace, and I do not want to expose it to the rest of the kernel. This requires that the probe functions must also be local to tracing. But luckily nothing else uses them. Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2017-04-18rhashtable: remove insecure_elasticityFlorian Westphal
commit 83e7e4ce9e93c3 ("mac80211: Use rhltable instead of rhashtable") removed the last user that made use of 'insecure_elasticity' parameter, i.e. the default of 16 is used everywhere. Replace it with a constant. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-18Merge tag 'iio-fixes-for-4.11e' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: Fifth set of IIO fixes for the 4.11 cycle. As these are rather late in the cycle, they may sneak over into 4.12. There is a fix for a regression caused by another fix (hid sensors hardware seems to vary a lot in how various corner cases are handled). * ad7303 - fix channel description. Numeric values were being passed as characters presumably leading to garbage from the userspace interface. * as3935 - the write data macro was wrong so fix it. * bmp280 - incorrect handling of negative values as being unsigned broke humidity calculation. * hid-sensor - Restore the poll and hysteresis values after resume as some hardware doesn't do it. * stm32-trigger - buglet in reading the sampling frequency
2017-04-18mmc: sdio: fix alignment issue in struct sdio_funcHeiner Kallweit
Certain 64-bit systems (e.g. Amlogic Meson GX) require buffers to be used for DMA to be 8-byte-aligned. struct sdio_func has an embedded small DMA buffer not meeting this requirement. When testing switching to descriptor chain mode in meson-gx driver SDIO is broken therefore. Fix this by allocating the small DMA buffer separately as kmalloc ensures that the returned memory area is properly aligned for every basic data type. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Tested-by: Helmut Klein <hgkr.klein@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2017-04-18tty: split job control support into a file of its ownNicolas Pitre
This makes it easier for job control to become optional and/or usable independently from tty_io.c, as well as providing a nice purpose separation. No logical changes from this patch. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-18console: move console_init() out of tty_io.cNicolas Pitre
All the console driver handling code lives in printk.c. Move console_init() there as well so console support can still be used when the TTY code is configured out. No logical changes from this patch. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-18Merge tag 'iio-for-4.12d' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next Jonathan writes: Fourth set of IIO new device support, features and cleanups for the 4.12 cycle New device support * max1117, 1118 and 1119 - new ADC driver * max9611 - new ADC driver * pm8xxx hk/xoadc - new driver with some shared features broken out from the SPMI vadc. * sun4i-gpadc - A33 thermal sensor support (with associated rework) * stm32-dac - new driver and bindings * stm32 trigger - enable support of quadrature encoder device and counter modes Features * apds9960 - use the runtime pm for normal suspend * stm32-adc - add opition to sest resolution via devicetree * xoadc - augment DT bindings to deal with some weird mux cases Cleanups * ad5933 - protect direct mode using claim and release helpers * ade7759 - S_IRUGO and friends to octal in two goes * adis16203 - drop unnecessary brackets * hid-sensor - fix unbalanced pm_runtieme_enable error when probing after remove * lsm6dsx - use actual part numbers for device name when known - simplify data read pin parsing * mpu3050 - avoid double reporting errors
2017-04-18usb: fix some references for /proc/bus/usbMauro Carvalho Chehab
Since when we got rid of usbfs, the /proc/bus/usb is now elsewhere. Fix references for it. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by: Serge Hallyn <serge@hallyn.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-18boot/param: Move next_arg() function to lib/cmdline.c for later reuseBaoquan He
next_arg() will be used to parse boot parameters in the x86/boot/compressed code, so move it to lib/cmdline.c for better code reuse. No change in functionality. Signed-off-by: Baoquan He <bhe@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Cc: Jens Axboe <axboe@fb.com> Cc: Jessica Yu <jeyu@redhat.com> Cc: Johannes Berg <johannes.berg@intel.com> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Larry Finger <Larry.Finger@lwfinger.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Petr Mladek <pmladek@suse.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: dan.j.williams@intel.com Cc: dave.jiang@intel.com Cc: dyoung@redhat.com Cc: keescook@chromium.org Cc: zijun_hu <zijun_hu@htc.com> Link: http://lkml.kernel.org/r/1492436099-4017-2-git-send-email-bhe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-04-17signal: Remove unused definition of sig_user_definiedEric W. Biederman
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2017-04-17Merge branch 'i2c/for-INT33FE'Darren Hart (VMware)
Merge branch 'i2c/for-INT33FE' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git to prepare for an incoming INT33FE driver. Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2017-04-18Merge tag 'keys-next-20170412' of ↵James Morris
git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into next
2017-04-17Merge branch 'for-upstream' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Johan Hedberg says: ==================== pull request: bluetooth-next 2017-04-14 Here's the main batch of Bluetooth & 802.15.4 patches for the 4.12 kernel. - Many fixes to 6LoWPAN, in particular for BLE - New CA8210 IEEE 802.15.4 device driver (accounting for most of the lines of code added in this pull request) - Added Nokia Bluetooth (UART) HCI driver - Some serdev & TTY changes that are dependencies for the Nokia driver (with acks from relevant maintainers and an agreement that these come through the bluetooth tree) - Support for new Intel Bluetooth device - Various other minor cleanups/fixes here and there Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-17qed: aRFS infrastructure supportChopra, Manish
This patch adds necessary APIs to interface with qede aRFS support in successive patch. It also reserves separate PTT entry for aRFS, [as being in fastpath flow] for hardware access instead of trying to acquire it at run time from the ptt pool. Signed-off-by: Manish Chopra <manish.chopra@cavium.com> Signed-off-by: Yuval Mintz <yuval.mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-17l2tp: device MTU setup, tunnel socket needs a lockR. Parameswaran
The MTU overhead calculation in L2TP device set-up merged via commit b784e7ebfce8cfb16c6f95e14e8532d0768ab7ff needs to be adjusted to lock the tunnel socket while referencing the sub-data structures to derive the socket's IP overhead. Reported-by: Guillaume Nault <g.nault@alphalink.fr> Tested-by: Guillaume Nault <g.nault@alphalink.fr> Signed-off-by: R. Parameswaran <rparames@brocade.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-17move compat select-related syscalls to fs/select.cAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-04-17Remove compat_sys_getdents64()Al Viro
Unlike normal compat syscall variants, it is needed only for biarch architectures that have different alignement requirements for u64 in 32bit and 64bit ABI *and* have __put_user() that won't handle a store of 64bit value at 32bit-aligned address. We used to have one such (ia64), but its biarch support has been gone since 2010 (after being broken in 2008, which went unnoticed since nobody had been using it). It had escaped removal at the same time only because back in 2004 a patch that switched several syscalls on amd64 from private wrappers to generic compat ones had switched to use of compat_sys_getdents64(), which hadn't needed (or used) a compat wrapper on amd64. Let's bury it - it's at least 7 years overdue. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-04-17cpufreq: schedutil: Use policy-dependent transition delaysRafael J. Wysocki
Make the schedutil governor take the initial (default) value of the rate_limit_us sysfs attribute from the (new) transition_delay_us policy parameter (to be set by the scaling driver). That will allow scaling drivers to make schedutil use smaller default values of rate_limit_us and reduce the default average time interval between consecutive frequency changes. Make intel_pstate set transition_delay_us to 500. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
2017-04-17net/mlx5e: IPoIB, Xmit flowSaeed Mahameed
Implement mlx5e's IPoIB SKB transmit using the helper functions provided by mlx5e ethernet tx flow, the only difference in the code between mlx5e_xmit and mlx5i_xmit is that IPoIB has some extra fields to fill (UD datagram segment) in the TX descriptor (WQE) and it doesn't need to have any vlan handling. Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Reviewed-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-17net/mlx5: Refactor create flow table method to accept underlay QPErez Shitrit
IB flow tables need the underlay qp to perform flow steering. Here we change the API of the flow tables creation to accept the underlay QP number as a parameter in order to support IB (IPoIB) flow steering. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-17net/mlx5: Add IPoIB enhanced offloads bits to mlx5_ifcErez Shitrit
New capability bit: ipoib_enhanced_offloads, indicates new ability for UD QP to do RSS and enhanced IPoIB offloads and acceleration. Add underlay_qpn to the TIS and flow_table objects In order to support SET_ROOT command, to connect between IPoIB QPs and flow steering tables. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-17Merge 4.11-rc7 into tty-nextGreg Kroah-Hartman
We want the tty patch revert in here to handle merges and future work properly. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-04-16sysctl: Remove dead register_sysctl_rootEric W. Biederman
The function no longer does anything. The is only a single caller of register_sysctl_root when semantically there should be two. Remove this function so that if someone decides this functionality is needed again it will be obvious all of the callers of setup_sysctl_set need to be audited and modified appropriately. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2017-04-16i2c: core: Allow drivers to disable i2c-core irq mappingHans de Goede
By default the i2c-core will try to get an irq with index 0 on ACPI / of instantiated devices. This is troublesome on some ACPI systems where the irq info at index 0 in the CRS table may contain nonsense and/or point to an irqchip for which there is no Linux driver. If this happens then before this commit the driver's probe method would never get called because i2c_device_probe will try to get an irq by calling acpi_dev_gpio_irq_get which will always return -EPROBE in this case, as it waits for a matching irqchip driver to load. Thus causing the driver to not get a chance to bind. This commit adds a new disable_i2c_core_irq_mapping flag to struct i2c_driver which a driver can set to tell the core to skip irq mapping. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2017-04-16i2c: core: Add new i2c_acpi_new_device helper functionHans de Goede
By default the i2c subsys creates an i2c-client for the first I2cSerialBus resource of an acpi_device, but some acpi_devices have multiple I2cSerialBus resources and we may want to instantiate i2c-clients for the others. This commit adds a new i2c_acpi_new_device function which can be used to create an i2c-client for any I2cSerialBus resource of an acpi_device. Note that the other resources may even be on a different i2c bus, so just retrieving the client address is not enough. Here is an example DSDT excerpt from such a device: Device (WIDR) { Name (_HID, "INT33FE" /* XPOWER Battery Device */) Name (_CID, "INT33FE" /* XPOWER Battery Device */) Name (_DDN, "WC PMIC Battery Device") <snip> Name (RBUF, ResourceTemplate () { I2cSerialBusV2 (0x005E, ControllerInitiated, 0x000186A0, AddressingMode7Bit, "\\_SB.PCI0.I2C7", 0x00, ResourceConsumer, , Exclusive, ) I2cSerialBusV2 (0x0036, ControllerInitiated, 0x000186A0, AddressingMode7Bit, "\\_SB.PCI0.I2C1", 0x00, ResourceConsumer, , Exclusive, ) I2cSerialBusV2 (0x0022, ControllerInitiated, 0x00061A80, AddressingMode7Bit, "\\_SB.PCI0.I2C1", 0x00, ResourceConsumer, , Exclusive, ) I2cSerialBusV2 (0x0054, ControllerInitiated, 0x00061A80, AddressingMode7Bit, "\\_SB.PCI0.I2C1", 0x00, ResourceConsumer, , Exclusive, ) GpioInt (Level, ActiveLow, Exclusive, PullNone, 0x0000, "\\_SB.PCI0.I2C7.PMI5", 0x00, ResourceConsumer, , ) { // Pin list 0x0012 } GpioInt (Edge, ActiveLow, ExclusiveAndWake, PullNone, 0x0000, "\\_SB.GPO1", 0x00, ResourceConsumer, , ) { // Pin list 0x0005 } GpioInt (Level, ActiveLow, Exclusive, PullNone, 0x0000, "\\_SB.PCI0.I2C7.PMI5", 0x00, ResourceConsumer, , ) { // Pin list 0x0013 } }) Method (_CRS, 0, NotSerialized) // _CRS: Current Resource Settings { Return (RBUF) /* \_SB_.PCI0.I2C7.WIDR.RBUF */ } <snip> } Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2017-04-16Merge tag 'armsoc-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Again, a batch that's been sitting a couple of weeks, mostly because I anticipated a bit more material but it didn't show up -- which is good. These are all your garden variety fixes for ARM platforms. The most visible issue fixed here is probably the SMP reset issue on OMAP, the rest are minor stuff" * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: arm64: allwinner: a64: add pmu0 regs for USB PHY ARM: OMAP2+: omap_device: Sync omap_device and pm_runtime after probe defer reset: add exported __reset_control_get, return NULL if optional ARM: orion5x: only call into phylib when available ARM: omap2+: Revert omap-smp.c changes resetting CPU1 during boot ARM: dts: am335x-evmsk: adjust mmc2 param to allow suspend ARM: dts: ti: fix PCI bus dtc warnings ARM: dts: am335x-baltos: disable EEE for Atheros 8035 PHY ARM: dts: OMAP3: Fix MFG ID EEPROM ARM: sun8i: a33: add operating-points-v2 property to all nodes ARM: sun8i: a33: remove highest OPP to fix CPU crashes
2017-04-16Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: "Four small fixes. Three of them fix the same error in NVMe, in loop, fc, and rdma respectively. The last fix from Ming fixes a regression in this series, where our bvec gap logic was wrong and causes an oops on NVMe for certain conditions" * 'for-linus' of git://git.kernel.dk/linux-block: block: fix bio_will_gap() for first bvec with offset nvme-fc: Fix sqsize wrong assignment based on ctrl MQES capability nvme-rdma: Fix sqsize wrong assignment based on ctrl MQES capability nvme-loop: Fix sqsize wrong assignment based on ctrl MQES capability
2017-04-16lightnvm: allow to init targets on factory modeJavier González
Target initialization has two responsibilities: creating the target partition and instantiating the target. This patch enables to create a factory partition (e.g., do not trigger recovery on the given target). This is useful for target development and for being able to restore the device state at any moment in time without requiring a full-device erase. Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-16lightnvm: rename scrambler controller hintJavier González
According to the OCSSD 1.2 specification, the 0x200 hint enables the media scrambler for the read/write opcode, providing that the controller has been correctly configured by the firmware. Rename the macro to represent this meaning. Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-16lightnvm: submit erases using the I/O pathJavier González
Until now erases have been submitted as synchronous commands through a dedicated erase function. In order to enable targets implementing asynchronous erases, refactor the erase path so that it uses the normal async I/O submission functions. If a target requires sync I/O, it can implement it internally. Also, adapt rrpc to use the new erase path. Signed-off-by: Javier González <javier@cnexlabs.com> Fixed spelling error. Signed-off-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts were simply overlapping changes. In the net/ipv4/route.c case the code had simply moved around a little bit and the same fix was made in both 'net' and 'net-next'. In the net/sched/sch_generic.c case a fix in 'net' happened at the same time that a new argument was added to qdisc_hash_add(). Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-15Merge tag 'irqchip-4.12' of ↵Thomas Gleixner
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core Pull irqchip updates from Marc Zyngier - Unify gemini and moxa irqchips under the faraday banner - Extend mtk-sysirq to deal with multiple MMIO regions - ACPI/IORT support for GICv3 ITS platform MSI - ACPI support for mbigen - Add mtk-cirq wakeup interrupt controller driver - Atmel aic5 suspend support - Allow GPCv2 to be probed both as an irqchip and a device
2017-04-15workqueue: Provide work_on_cpu_safe()Thomas Gleixner
work_on_cpu() is not protected against CPU hotplug. For code which requires to be either executed on an online CPU or to fail if the CPU is not available the callsite would have to protect against CPU hotplug. Provide a function which does get/put_online_cpus() around the call to work_on_cpu() and fails the call with -ENODEV if the target CPU is not online. Preparatory patch to convert several racy task affinity manipulations. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Tejun Heo <tj@kernel.org> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Lai Jiangshan <jiangshanlai@gmail.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: Len Brown <lenb@kernel.org> Link: http://lkml.kernel.org/r/20170412201042.262610721@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2017-04-14Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: "Things seem to be settling down as far as networking is concerned, let's hope this trend continues... 1) Add iov_iter_revert() and use it to fix the behavior of skb_copy_datagram_msg() et al., from Al Viro. 2) Fix the protocol used in the synthetic SKB we cons up for the purposes of doing a simulated route lookup for RTM_GETROUTE requests. From Florian Larysch. 3) Don't add noop_qdisc to the per-device qdisc hashes, from Cong Wang. 4) Don't call netdev_change_features with the team lock held, from Xin Long. 5) Revert TCP F-RTO extension to catch more spurious timeouts because it interacts very badly with some middle-boxes. From Yuchung Cheng. 6) Fix the loss of error values in l2tp {s,g}etsockopt calls, from Guillaume Nault. 7) ctnetlink uses bit positions where it should be using bit masks, fix from Liping Zhang. 8) Missing RCU locking in netfilter helper code, from Gao Feng. 9) Avoid double frees and use-after-frees in tcp_disconnect(), from Eric Dumazet. 10) Don't do a changelink before we register the netdevice in bridging, from Ido Schimmel. 11) Lock the ipv6 device address list properly, from Rabin Vincent" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (29 commits) netfilter: ipt_CLUSTERIP: Fix wrong conntrack netns refcnt usage netfilter: nft_hash: do not dump the auto generated seed drivers: net: usb: qmi_wwan: add QMI_QUIRK_SET_DTR for Telit PID 0x1201 ipv6: Fix idev->addr_list corruption net: xdp: don't export dev_change_xdp_fd() bridge: netlink: register netdevice before executing changelink bridge: implement missing ndo_uninit() bpf: reference may_access_skb() from __bpf_prog_run() tcp: clear saved_syn in tcp_disconnect() netfilter: nf_ct_expect: use proper RCU list traversal/update APIs netfilter: ctnetlink: skip dumping expect when nfct_help(ct) is NULL netfilter: make it safer during the inet6_dev->addr_list traversal netfilter: ctnetlink: make it safer when checking the ct helper name netfilter: helper: Add the rcu lock when call __nf_conntrack_helper_find netfilter: ctnetlink: using bit to represent the ct event netfilter: xt_TCPMSS: add more sanity tests on tcph->doff net: tcp: Increase TCP_MIB_OUTRSTS even though fail to alloc skb l2tp: don't mask errors in pppol2tp_getsockopt() l2tp: don't mask errors in pppol2tp_setsockopt() tcp: restrict F-RTO to work-around broken middle-boxes ...
2017-04-14blk-mq-sched: make completed_request() callback more usefulOmar Sandoval
Currently, this callback is called right after put_request() and has no distinguishable purpose. Instead, let's call it before put_request() as soon as I/O has completed on the request, before we account it in blk-stat. With this, Kyber can enable stats when it sees a latency outlier and make sure the outlier gets accounted. Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-14blk-mq: export helpersOmar Sandoval
blk_mq_finish_request() is required for schedulers that define their own put_request(). blk_mq_run_hw_queue() is required for schedulers that hold back requests to be run later. Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-14sbitmap: add sbitmap_get_shallow() operationOmar Sandoval
This operation supports the use case of limiting the number of bits that can be allocated for a given operation. Rather than setting aside some bits at the end of the bitmap, we can set aside bits in each word of the bitmap. This means we can keep the allocation hints spread out and support sbitmap_resize() nicely at the cost of lower granularity for the allowed depth. Signed-off-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-04-14remove the mg_disk driverChristoph Hellwig
This drivers was added in 2008, but as far as a I can tell we never had a single platform that actually registered resources for the platform driver. It's also been unmaintained for a long time and apparently has a ATA mode that can be driven using the IDE/libata subsystem. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@fb.com>