* pci/aer:
PCI/AER: Clear error status registers during enumeration and restore
* pci/hotplug:
PCI: pciehp: Queue power work requests in dedicated function
* pci/misc:
PCI: Turn off Request Attributes to avoid Chelsio T5 Completion erratum
x86/PCI: Make pci_subsys_init() static
PCI: Add builtin_pci_driver() to avoid registration boilerplate
PCI: Remove unnecessary "if" statement
* pci/msi:
x86/PCI: Don't alloc pcibios-irq when MSI is enabled
PCI/MSI: Export all remapped MSIs to sysfs attributes
PCI: Disable MSI on SiS 761
* pci/resource:
sparc/PCI: Add mem64 resource parsing for root bus
PCI: Expand Enhanced Allocation BAR output
PCI: Make Enhanced Allocation bitmasks more obvious
PCI: Handle Enhanced Allocation capability for SR-IOV devices
PCI: Add support for Enhanced Allocation devices
PCI: Add Enhanced Allocation register entries
PCI: Handle IORESOURCE_PCI_FIXED when assigning resources
PCI: Handle IORESOURCE_PCI_FIXED when sizing resources
PCI: Clear IORESOURCE_UNSET when reverting to firmware-assigned address
* pci/virtualization:
PCI: Fix sriov_enable() error path for pcibios_enable_sriov() failures
PCI: Wait 1 second between disabling VFs and clearing NumVFs
PCI: Reorder pcibios_sriov_disable()
PCI: Remove VFs in reverse order if virtfn_add() fails
PCI: Remove redundant validation of SR-IOV offset/stride registers
PCI: Set SR-IOV NumVFs to zero after enumeration
PCI: Enable SR-IOV ARI Capable Hierarchy before reading TotalVFs
PCI: Don't try to restore VF BARs
Forechannel transports get their own "bc_up" method to create an
endpoint for the backchannel service.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
[Anna Schumaker: Add forward declaration of struct net to xprt.h]
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
skb_set_owner_w() is called from various places that assume
skb->sk always point to a full blown socket (as it changes
sk->sk_wmem_alloc)
We'd like to attach skb to request sockets, and in the future
to timewait sockets as well. For these kind of pseudo sockets,
we need to take a traditional refcount and use sock_edemux()
as the destructor.
It is now time to un-inline skb_set_owner_w(), being too big.
Fixes: ca6fb06518 ("tcp: attach SYNACK messages to request sockets instead of listener")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Bisected-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Be consistent with what other cooling devices do and return a struct
thermal_cooling_device * on register. Also, for the unregister, accept
a struct thermal_cooling_device * as parameter.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
GPIO core:
- Define and handle flags for open drain/open collector
and open source/open emitter, also know as "single-ended"
configurations.
- Generic request/free operations that handle calling out
to the (optional) pin control backend.
- Some refactoring related to an ABI change that did not
happen, yet provide useful.
- Added a real-time compliance checklist. Many GPIO chips
have irqchips, and need to think this over with the RT
patches going upstream.
- Restructure, fix and clean up Kconfig menus a bit.
New drivers:
- New driver for AMD Promony.
- New driver for ACCES 104-IDIO-16, a port-mapped I/O
card, ISA-style. Very retro.
Subdriver changes:
- OMAP changes to handle real time requirements.
- Handle trigger types for edge and level IRQs on PL061
properly. As this hardware is very common it needs to
set a proper example for others to follow.
- Some container_of() cleanups.
- Delete the unused MSM driver in favor of the driver that
is embedded inside the pin control driver.
- Cleanup of the ath79 GPIO driver used by many, many
OpenWRT router targets.
- A consolidated IT87xx driver replacing the earlier
very specific IT8761e driver.
- Handle the TI TCA9539 in the PCA953x driver. Also
handle ACPI devices in this subdriver.
- Drop xilinx arch dependencies as these FPGAs seem to
profilate over a few different architectures. MIPS and
ARM come to mind.
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Merge tag 'gpio-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"Here is the bulk of GPIO changes for the v4.4 development cycle.
The only changes hitting outside drivers/gpio are in the pin control
subsystem and these seem to have settled nicely in linux-next.
Development mistakes and catfights are nicely documented in the
reverts as you can see. The outcome of the ABI fight is that we're
working on a chardev ABI for GPIO now, where hope to show results for
the v4.5 kernel.
Summary of changes:
GPIO core:
- Define and handle flags for open drain/open collector and open
source/open emitter, also know as "single-ended" configurations.
- Generic request/free operations that handle calling out to the
(optional) pin control backend.
- Some refactoring related to an ABI change that did not happen, yet
provide useful.
- Added a real-time compliance checklist. Many GPIO chips have
irqchips, and need to think this over with the RT patches going
upstream.
- Restructure, fix and clean up Kconfig menus a bit.
New drivers:
- New driver for AMD Promony.
- New driver for ACCES 104-IDIO-16, a port-mapped I/O card,
ISA-style. Very retro.
Subdriver changes:
- OMAP changes to handle real time requirements.
- Handle trigger types for edge and level IRQs on PL061 properly. As
this hardware is very common it needs to set a proper example for
others to follow.
- Some container_of() cleanups.
- Delete the unused MSM driver in favor of the driver that is
embedded inside the pin control driver.
- Cleanup of the ath79 GPIO driver used by many, many OpenWRT router
targets.
- A consolidated IT87xx driver replacing the earlier very specific
IT8761e driver.
- Handle the TI TCA9539 in the PCA953x driver. Also handle ACPI
devices in this subdriver.
- Drop xilinx arch dependencies as these FPGAs seem to profilate over
a few different architectures. MIPS and ARM come to mind"
* tag 'gpio-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (57 commits)
gpio: fix up SPI submenu
gpio: drop surplus I2C dependencies
gpio: drop surplus X86 dependencies
gpio: dt-bindings: document the official use of "ngpios"
gpio: MAINTAINERS: Add an entry for the ATH79 GPIO driver
gpio / ACPI: Allow shared GPIO event to be read via operation region
gpio: group port-mapped I/O drivers in a menu
gpio: Add ACCES 104-IDIO-16 driver maintainer entry
gpio: zynq: Document interrupt-controller DT binding
gpio: xilinx: Drop architecture dependencies
gpio: generic: Revert to old error handling in bgpio_map
gpio: add a real time compliance notes
Revert "gpio: add a real time compliance checklist"
gpio: Add GPIO support for the ACCES 104-IDIO-16
gpio: driver for AMD Promontory
gpio: xlp: Convert to use gpiolib irqchip helpers
gpio: add a real time compliance checklist
gpio/xilinx: enable for MIPS
gpiolib: Add and use OF_GPIO_SINGLE_ENDED flag
gpiolib: Split GPIO flags parsing and GPIO configuration
...
v4.4 kernel development cycle:
Infrastructure:
- Doug Anderson wrote a patch adding an "init" state
different from the "default" state for pin control
state handling in the core framework. This is applied
before the driver's probe() call if defined and takes
precedence over "default". If both are defined, "init"
will be applied *before* probe() and "default" will be
applied *after* probe().
Significant subdriver improvements:
- SH PFC is switched to getting GPIO ranges from the
device tree ranges property on DT platforms.
- Got rid of CONFIG_ARCH_SHMOBILE_LEGACY, we are all
modernized.
- Got rid of SH PFC hardcoded IRQ numbers.
- Allwinner sunxi external interrupt through the "r"
controller.
- Moved the Cygnus driver to use DT-provided GPIO
ranges.
New drivers:
- Atmel PIO4 pin controller for the SAMA4D2 family
New subdrivers:
- Rockchip RK3036 subdriver
- Renesas SH PFC R8A7795 subdriver
- Allwinner sunxi A83T PIO subdriver
- Freescale i.MX7d iomux lpsr subdriver
- Marvell Berlin BG4CT subdriver
- SiRF Atlas 7 step B SoC subdriver
- Intel Broxton SoC subdriver
Apart from this, the usual slew if syntactic and semantic
fixes.
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Merge tag 'pinctrl-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"This is the big bulk of pin control changes for the v4.4 kernel
development cycle. Development pace is high in pin control again this
merge window. 28 contributors, 83 patches.
It hits a few sites outside the pin control subsystem:
- Device tree bindings in Documentation (as usual)
- MAINTAINERS
- drivers/base/* for the "init" state handling by Doug Anderson.
This has been ACKed by Greg.
- drivers/usb/renesas_usbhs/rcar2.c, for a dependent Renesas change
in the USB subsystem. This has been ACKed by both Greg and Felipe.
- arch/arm/boot/dts/sama5d2.dtsi - this should ideally have gone
through the ARM SoC tree but ended up here.
This time I am using Geert Uytterhoeven as submaintainer for SH PFC
since the are three-four people working in parallel with new Renesas
ASICs.
Summary of changes:
Infrastructure:
- Doug Anderson wrote a patch adding an "init" state different from
the "default" state for pin control state handling in the core
framework. This is applied before the driver's probe() call if
defined and takes precedence over "default". If both are defined,
"init" will be applied *before* probe() and "default" will be
applied *after* probe().
Significant subdriver improvements:
- SH PFC is switched to getting GPIO ranges from the device tree
ranges property on DT platforms.
- Got rid of CONFIG_ARCH_SHMOBILE_LEGACY, we are all modernized.
- Got rid of SH PFC hardcoded IRQ numbers.
- Allwinner sunxi external interrupt through the "r" controller.
- Moved the Cygnus driver to use DT-provided GPIO ranges.
New drivers:
- Atmel PIO4 pin controller for the SAMA4D2 family
New subdrivers:
- Rockchip RK3036 subdriver
- Renesas SH PFC R8A7795 subdriver
- Allwinner sunxi A83T PIO subdriver
- Freescale i.MX7d iomux lpsr subdriver
- Marvell Berlin BG4CT subdriver
- SiRF Atlas 7 step B SoC subdriver
- Intel Broxton SoC subdriver
Apart from this, the usual slew if syntactic and semantic fixes"
* tag 'pinctrl-v4.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (81 commits)
pinctrl: pinconf: remove needless loop
pinctrl: uniphier: guard uniphier directory with CONFIG_PINCTRL_UNIPHIER
pinctrl: zynq: fix UTF-8 errors
pinctrl: zynq: Initialize early
pinctrl: at91: add missing of_node_put
pinctrl: tegra-xusb: Correct lane mux options
pinctrl: intel: Add Intel Broxton pin controller support
pinctrl: intel: Allow requesting pins which are in ACPI mode as GPIOs
pinctrl: intel: Add support for multiple GPIO chips sharing the interrupt
drivers/pinctrl: Add the concept of an "init" state
pinctrl: uniphier: set input-enable before pin-muxing
pinctrl: cygnus: Add new compatible string for gpio controller driver
pinctrl: cygnus: Remove GPIO to Pinctrl pin mapping from driver
pinctrl: cygnus: Optional DT property to support pin mappings
pinctrl: sunxi: Add irq pinmuxing to sun6i "r" pincontroller
pinctrl: sunxi: Fix irq_of_xlate for the r_pio pinctrl block
pinctrl: sh-pfc: Remove obsolete r8a7778 platform_device_id entry
pinctrl: sh-pfc: Remove obsolete r8a7779 platform_device_id entry
pinctrl: sh-pfc: Stop including <linux/platform_data/gpio-rcar.h>
usb: renesas_usbhs: Remove unneeded #include <linux/platform_data/gpio-rcar.h>
...
* L3 and SoC support for xgene_edac. (Loc Ho)
* AMD F15h, models 0x60-6f support to amd64_edac. (Aravind Gopalakrishnan)
* Fixes and cleanups all over the place.
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Merge tag 'edac_for_4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp
Pull EDAC updates from Borislav Petkov:
"A bunch of fixes all over the place and some hw enablement this time.
- Convert EDAC to debugfs wrappers and make drivers use those
(Borislav Petkov)
- L3 and SoC support for xgene_edac (Loc Ho)
- AMD F15h, models 0x60-6f support to amd64_edac (Aravind
Gopalakrishnan)
- Fixes and cleanups all over the place"
* tag 'edac_for_4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp: (22 commits)
EDAC: Fix PAGES_TO_MiB macro misuse
EDAC, altera: SoCFPGA EDAC should not look for ECC_CORR_EN
EDAC: Use edac_debugfs_remove_recursive()
EDAC, ppc4xx_edac: Fix module autoload for OF platform driver
Documentation/EDAC: Add reference documents section for amd64_edac
EDAC, amd64_edac: Update copyright and remove changelog
EDAC, amd64_edac: Extend scrub rate support to F15hM60h
EDAC: Don't allow empty DIMM labels
EDAC: Fix sysfs dimm_label store operation
EDAC: Fix sysfs dimm_label show operation
arm64, EDAC: Add L3/SoC DT subnodes to the APM X-Gene SoC EDAC node
EDAC, xgene: Add SoC support
EDAC, xgene: Fix possible sprintf() overflow issue
EDAC, xgene: Add L3 support
EDAC, Documentation: Update X-Gene EDAC binding for L3/SoC subnodes
EDAC, sb_edac: Fix TAD presence check for sbridge_mci_bind_devs()
EDAC, ghes_edac: Remove redundant memory_type array
EDAC, xgene: Convert to debugfs wrappers
EDAC, i5100: Convert to debugfs wrappers
EDAC, altera: Convert to debugfs wrappers
...
- Add new API to set VCCQ voltage - mmc_regulator_set_vqmmc()
- Add new ioctl to allow userspace to send multi commands
- Wait for card busy signalling before starting SDIO requests
- Remove MMC_CLKGATE
- Enable tuning for DDR50 mode
- Some code clean-up/improvements to mmc pwrseq
- Use highest priority for eMMC restart handler
- Add DT bindings for eMMC hardware reset support
- Extend the mmc_send_tuning() API
- Improve ios show for debugfs
- A couple of code optimizations
MMC host:
- Some generic OF improvements
- Various code clean-ups
- sirf: Add support for DDR50
- sunxi: Add support for card busy detection
- mediatek: Use MMC_CAP_RUNTIME_RESUME
- mediatek: Add support for eMMC HW-reset
- mediatek: Add support for HS400
- dw_mmc: Convert to use the new mmc_regulator_set_vqmmc() API
- dw_mmc: Add external DMA interface support
- dw_mmc: Some various improvements
- dw_mmc-rockchip: MMC tuning with the clock phase framework
- sdhci: Properly clear IRQs during resume
- sdhci: Enable tuning for DDR50 mode
- sdhci-of-esdhc: Use IRQ mode for card detection
- sdhci-of-esdhc: Support both BE and LE host controller
- sdhci-pci: Build o2micro support in the same module
- sdhci-pci: Support for new Intel host controllers
- sdhci-acpi: Support for new Intel host controllers
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Merge tag 'mmc-v4.4' of git://git.linaro.org/people/ulf.hansson/mmc
Pull MMC updates from Ulf Hansson:
"MMC core:
- Add new API to set VCCQ voltage - mmc_regulator_set_vqmmc()
- Add new ioctl to allow userspace to send multi commands
- Wait for card busy signalling before starting SDIO requests
- Remove MMC_CLKGATE
- Enable tuning for DDR50 mode
- Some code clean-up/improvements to mmc pwrseq
- Use highest priority for eMMC restart handler
- Add DT bindings for eMMC hardware reset support
- Extend the mmc_send_tuning() API
- Improve ios show for debugfs
- A couple of code optimizations
MMC host:
- Some generic OF improvements
- Various code clean-ups
- sirf: Add support for DDR50
- sunxi: Add support for card busy detection
- mediatek: Use MMC_CAP_RUNTIME_RESUME
- mediatek: Add support for eMMC HW-reset
- mediatek: Add support for HS400
- dw_mmc: Convert to use the new mmc_regulator_set_vqmmc() API
- dw_mmc: Add external DMA interface support
- dw_mmc: Some various improvements
- dw_mmc-rockchip: MMC tuning with the clock phase framework
- sdhci: Properly clear IRQs during resume
- sdhci: Enable tuning for DDR50 mode
- sdhci-of-esdhc: Use IRQ mode for card detection
- sdhci-of-esdhc: Support both BE and LE host controller
- sdhci-pci: Build o2micro support in the same module
- sdhci-pci: Support for new Intel host controllers
- sdhci-acpi: Support for new Intel host controllers"
* tag 'mmc-v4.4' of git://git.linaro.org/people/ulf.hansson/mmc: (73 commits)
mmc: dw_mmc: fix the wrong setting for UHS-DDR50 mode
mmc: dw_mmc: fix the CardThreshold boundary at CardThrCtl register
mmc: dw_mmc: NULL dereference in error message
mmc: pwrseq: Use highest priority for eMMC restart handler
mmc: mediatek: add HS400 support
mmc: mmc: extend the mmc_send_tuning()
mmc: mediatek: add implement of ops->hw_reset()
mmc: mediatek: fix got GPD checksum error interrupt when data transfer
mmc: mediatek: change the argument "ddr" to "timing"
mmc: mediatek: make cmd_ints_mask to const
mmc: dt-bindings: update Mediatek MMC bindings
mmc: core: Add DT bindings for eMMC hardware reset support
mmc: omap_hsmmc: Enable omap_hsmmc for Keystone 2
mmc: sdhci-acpi: Add more ACPI HIDs for Intel controllers
mmc: sdhci-pci: Add more PCI IDs for Intel controllers
arm: lpc18xx_defconfig: remove CONFIG_MMC_DW_IDMAC
arm: hisi_defconfig: remove CONFIG_MMC_DW_IDMAC
arm: exynos_defconfig: remove CONFIG_MMC_DW_IDMAC
arc: axs10x_defconfig: remove CONFIG_MMC_DW_IDMAC
mips: pistachio_defconfig: remove CONFIG_MMC_DW_IDMAC
...
On NFSv4.1 mount points, the Linux NFS client uses this transport
endpoint to receive backward direction calls and route replies back
to the NFSv4.1 server.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-by: "J. Bruce Fields" <bfields@fieldses.org>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Tested-By: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
xprt_{setup,destroy}_backchannel() won't be adequate for RPC/RMDA
bi-direction. In particular, receive buffers have to be pre-
registered and posted in order to receive incoming backchannel
requests.
Add a virtual function call to allow the insertion of appropriate
backchannel setup and destruction methods for each transport.
In addition, freeing a backchannel request is a little different
for RPC/RDMA. Introduce an rpc_xprt_op to handle the difference.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Tested-By: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
It turns out that at least some versions of glibc end up reading
/proc/meminfo at every single startup, because glibc wants to know the
amount of memory the machine has. And while that's arguably insane,
it's just how things are.
And it turns out that it's not all that expensive most of the time, but
the vmalloc information statistics (amount of virtual memory used in the
vmalloc space, and the biggest remaining chunk) can be rather expensive
to compute.
The 'get_vmalloc_info()' function actually showed up on my profiles as
4% of the CPU usage of "make test" in the git source repository, because
the git tests are lots of very short-lived shell-scripts etc.
It turns out that apparently this same silly vmalloc info gathering
shows up on the facebook servers too, according to Dave Jones. So it's
not just "make test" for git.
We had two patches to just cache the information (one by me, one by
Ingo) to mitigate this issue, but the whole vmalloc information of of
rather dubious value to begin with, and people who *actually* want to
know what the situation is wrt the vmalloc area should just look at the
much more complete /proc/vmallocinfo instead.
In fact, according to my testing - and perhaps more importantly,
according to that big search engine in the sky: Google - there is
nothing out there that actually cares about those two expensive fields:
VmallocUsed and VmallocChunk.
So let's try to just remove them entirely. Actually, this just removes
the computation and reports the numbers as zero for now, just to try to
be minimally intrusive.
If this breaks anything, we'll obviously have to re-introduce the code
to compute this all and add the caching patches on top. But if given
the option, I'd really prefer to just remove this bad idea entirely
rather than add even more code to work around our historical mistake
that likely nobody really cares about.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Merge file descriptor allocation speedup.
Eric Dumazet has a test-case for a fairly common network deamon load
pattern: openign and closing a lot of sockets that each have very little
work done on them. It turns out that in that case, the cost of just
finding the correct file descriptor number can be a dominating factor.
We've long had a trivial optimization for allocating file descriptors
sequentially, but that optimization ends up being not very effective
when other file descriptors are being closed concurrently, and the fd
patterns are not some simple FIFO pattern. In such cases we ended up
spending a lot of time just scanning the bitmap of open file descriptors
in order to find the next file descriptor number to open.
This trivial patch-series mitigates that by simply introducing a
second-level bitmap of which words in the first bitmap are already fully
allocated. That cuts down the cost of scanning by an order of magnitude
in some pathological (but realistic) cases.
The second patch is an even more trivial patch to avoid unnecessarily
dirtying the cacheline for the close-on-exec bit array that normally
ends up being all empty.
* fs-file-descriptor-optimization:
vfs: conditionally clear close-on-exec flag
vfs: Fix pathological performance case for __alloc_fd()
* pm-opp:
PM / OPP: passing NULL to PTR_ERR()
PM / OPP: Move cpu specific code to opp/cpu.c
PM / OPP: Move opp core to its own directory
PM / OPP: Prefix exported opp routines with dev_pm_opp_
PM / OPP: Rename opp init/free table routines
PM / OPP: reuse of_parse_phandle()
* pm-cpufreq:
cpufreq: postfix policy directory with the first CPU in related_cpus
cpufreq: create cpu/cpufreq/policyX directories
cpufreq: remove cpufreq_sysfs_{create|remove}_file()
cpufreq: create cpu/cpufreq at boot time
cpufreq: Use cpumask_copy instead of cpumask_or to copy a mask
cpufreq: ondemand: Drop unnecessary locks from update_sampling_rate()
cpufreq: intel_pstate: Fix intel_pstate powersave min_perf_pct value
cpufreq: intel_pstate: Avoid calculation for max/min
Documentation: kernel_parameters for Intel P state driver
cpufreq: intel_pstate: Use ACPI perf configuration
cpufreq: intel-pstate: Use separate max pstate for scaling
cpufreq: intel_pstate: get P1 from TAR when available
cpufreq: Drop redundant check for inactive policies
cpufreq : powernv: Report Pmax throttling if capped below nominal frequency
cpufreq: imx: update the clock switch flow to support imx6ul
cpufreq: tegra20: remove superfluous CONFIG_PM ifdefs
cpufreq: conservative: remove 'enable' field
cpufreq: integrator: Fix module autoload for OF platform driver
* pm-cpuidle:
cpuidle: mvebu: disable the bind/unbind attributes and use builtin_platform_driver
cpuidle: mvebu: clean up multiple platform drivers
* pm-sleep:
PM / hibernate: fix a comment typo
input: i8042: Avoid resetting controller on system suspend/resume
PM / PCI / ACPI: Kick devices that might have been reset by firmware
PM / sleep: Add flags to indicate platform firmware involvement
PM / sleep: Drop pm_request_idle() from pm_generic_complete()
PCI / PM: Avoid resuming more devices during system suspend
PM / wakeup: wakeup_source_create: use kstrdup_const
PM / sleep: Report interrupt that caused system wakeup
* acpi-processor:
ACPI / CPPC: Fix potential memory leak
ACPI / CPPC: signedness bug in register_pcc_channel()
ACPI: Allow selection of the ACPI processor driver for ARM64
CPPC: Probe for CPPC tables for each ACPI Processor object
ACPI: Add weak routines for ACPI CPU Hotplug
ACPI / CPPC: Add a CPUFreq driver for use with CPPC
ACPI: Introduce CPU performance controls using CPPC
* acpica:
ACPICA: Update version to 20150930
ACPICA: Debugger: Fix dead lock issue ocurred in single stepping mode
ACPI: Enable build of AML interpreter debugger
ACPICA: Debugger: Add thread ID support so that single step mode can only apply to the debugger thread
ACPICA: Debugger: Fix "terminate" command by cleaning up subsystem shutdown logic
ACPICA: Debugger: Fix "quit/exit" command by cleaning up user commands termination logic
ACPICA: Linuxize: Export debugger files to Linux
ACPICA: iASL: General cleanup of the file suffix #defines
ACPICA: Improve typechecking, both compile-time and runtime
ACPICA: Update NFIT table to rename a flags field
ACPICA: Debugger: Update mutexes used for multithreaded debugger
ACPICA: Update exception code for "file not found" error
ACPICA: iASL: Add symbolic operator support for Index() operator
ACPICA: Remove unnecessary conditional compilation
When fib_netdev_event calls fib_disable_ip on NETDEV_DOWN event
we should not delete the local routes if the local address
is still present. The confusion comes from the fact that both
fib_netdev_event and fib_inetaddr_event use the NETDEV_DOWN
constant. Fix it by returning back the variable 'force'.
Steps to reproduce:
modprobe dummy
ifconfig dummy0 192.168.168.1 up
ifconfig dummy0 down
ip route list table local | grep dummy | grep host
local 192.168.168.1 dev dummy0 proto kernel scope host src 192.168.168.1
Fixes: 8a3d03166f ("net: track link-status of ipv4 nexthops")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
Simplify DSA by pushing the switchdev objects for VLAN add and delete
operations down to its drivers. Currently only mv88e6xxx is affected.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The SS_LISTEN socket state is defined by both af_vsock.c and
vmci_transport.c. This is risky since the value could be changed in one
file and the other would be out of sync.
Rename from SS_LISTEN to VSOCK_SS_LISTEN since the constant is not part
of enum socket_state (SS_CONNECTED, ...). This way it is clear that the
constant is vsock-specific.
The big text reflow in af_vsock.c was necessary to keep to the maximum
line length. Text is unchanged except for s/SS_LISTEN/VSOCK_SS_LISTEN/.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This should be our final batch of fixes for 4.3:
- A patch from Sudeep Holla that fixes annotation of wakeup sources properly,
old unused format seems to have spread through copying.
- Two patches from Tony for OMAP. One dealing with MUSB setup problems due to
runtime PM being enabled too early on the parent device. The other fixes
IRQ numbering for OMAP1.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This should be our final batch of fixes for 4.3:
- A patch from Sudeep Holla that fixes annotation of wakeup sources
properly, old unused format seems to have spread through copying.
- Two patches from Tony for OMAP. One dealing with MUSB setup
problems due to runtime PM being enabled too early on the parent
device. The other fixes IRQ numbering for OMAP1"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
usb: musb: omap2430: Fix regression caused by driver core change
ARM: OMAP1: fix incorrect INT_DMA_LCD
ARM: dts: fix gpio-keys wakeup-source property
Al Viro points out that:
> > * [Linux-specific aside] our __alloc_fd() can degrade quite badly
> > with some use patterns. The cacheline pingpong in the bitmap is probably
> > inevitable, unless we accept considerably heavier memory footprint,
> > but we also have a case when alloc_fd() takes O(n) and it's _not_ hard
> > to trigger - close(3);open(...); will have the next open() after that
> > scanning the entire in-use bitmap.
And Eric Dumazet has a somewhat realistic multithreaded microbenchmark
that opens and closes a lot of sockets with minimal work per socket.
This patch largely fixes it. We keep a 2nd-level bitmap of the open
file bitmaps, showing which words are already full. So then we can
traverse that second-level bitmap to efficiently skip already allocated
file descriptors.
On his benchmark, this improves performance by up to an order of
magnitude, by avoiding the excessive open file bitmap scanning.
Tested-and-acked-by: Eric Dumazet <edumazet@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This adds support to pass through persistent reservation requests
similar to the existing ioctl handling, and with the same limitations,
e.g. devices may only have a single target attached.
This is mostly intended for multipathing.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This moves the call to blkdev_ioctl and the argument checking to DM core
code, and only leaves a callout to find the block device to operate on
in the targets. This simplifies the code and allows us to pass through
ioctl-like command using other methods in the next patch.
Also split out a helper around calling the prepare_ioctl method that
will be reused for persistent reservation handling.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Pull networking fixes from David Miller:
1) Fix two regressions in ipv6 route lookups, particularly wrt output
interface specifications in the lookup key. From David Ahern.
2) Fix checks in ipv6 IPSEC tunnel pre-encap fragmentation, from
Herbert Xu.
3) Fix mis-advertisement of 1000BASE-T on bcm63xx_enet, from Simon
Arlott.
4) Some smsc phys misbehave with energy detect mode enabled, so add a
DT property and disable it on such switches. From Heiko Schocher.
5) Fix TSO corruption on TX in mv643xx_eth, from Philipp Kirchhofer.
6) Fix regression added by removal of openvswitch vport stats, from
James Morse.
7) Vendor Kconfig options should be bool, not tristate, from Andreas
Schwab.
8) Use non-_BH() net stats bump in tcp_xmit_probe_skb(), otherwise we
barf during TCP REPAIR operations.
9) Fix various bugs in openvswitch conntrack support, from Joe
Stringer.
10) Fix NETLINK_LIST_MEMBERSHIPS locking, from David Herrmann.
11) Don't have VSOCK do sock_put() in interrupt context, from Jorgen
Hansen.
12) Fix skb_realloc_headroom() failures properly in ISDN, from Karsten
Keil.
13) Add some device IDs to qmi_wwan, from Bjorn Mork.
14) Fix ovs egress tunnel information when using lwtunnel devices, from
Pravin B Shelar.
15) Add missing NETIF_F_FRAGLIST to macvtab feature list, from Jason
Wang.
16) Fix incorrect handling of throw routes when the result of the throw
cannot find a match, from Xin Long.
17) Protect ipv6 MTU calculations from wrap-around, from Hannes Frederic
Sowa.
18) Fix failed autonegotiation on KSZ9031 micrel PHYs, from Nathan
Sullivan.
19) Add missing memory barries in descriptor accesses or xgbe driver,
from Thomas Lendacky.
20) Fix release conditon test in pppoe_release(), from Guillaume Nault.
21) Fix gianfar bugs wrt filter configuration, from Claudiu Manoil.
22) Fix violations of RX buffer alignment in sh_eth driver, from Sergei
Shtylyov.
23) Fixing missing of_node_put() calls in various places around the
networking, from Julia Lawall.
24) Fix incorrect leaf now walking in ipv4 routing tree, from Alexander
Duyck.
25) RDS doesn't check pskb_pull()/pskb_trim() return values, from
Sowmini Varadhan.
26) Fix VLAN configuration in mlx4 driver, from Jack Morgenstein.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (79 commits)
ipv6: protect mtu calculation of wrap-around and infinite loop by rounding issues
Revert "Merge branch 'ipv6-overflow-arith'"
net/mlx4: Copy/set only sizeof struct mlx4_eqe bytes
net/mlx4_en: Explicitly set no vlan tags in WQE ctrl segment when no vlan is present
vhost: fix performance on LE hosts
bpf: sample: define aarch64 specific registers
amd-xgbe: Fix race between access of desc and desc index
RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv
forcedeth: fix unilateral interrupt disabling in netpoll path
openvswitch: Fix skb leak using IPv6 defrag
ipv6: Export nf_ct_frag6_consume_orig()
openvswitch: Fix double-free on ip_defrag() errors
fib_trie: leaf_walk_rcu should not compute key if key is less than pn->key
net: mv643xx_eth: add missing of_node_put
ath6kl: add missing of_node_put
net: phy: mdio: add missing of_node_put
netdev/phy: add missing of_node_put
net: netcp: add missing of_node_put
net: thunderx: add missing of_node_put
ipv6: gre: support SIT encapsulation
...
Provide a flag to choose if the device does support memory-to-memory transfers.
At least this is not true for iDMA32 controller that might be supported in the
future. Besides that Intel BayTrail and Braswell users should not try this
feature due to HW specific behaviour.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Move the __attribute_const__ declarations such that sparse understands
that these apply to the function itself and not to the return type.
This avoids that sparse reports error messages like the following:
drivers/infiniband/core/verbs.c:73:12: error: symbol 'ib_event_msg' redeclared with different type (originally declared at include/rdma/ib_verbs.h:470) - different modifiers
Fixes: 2b1b5b6012 ("IB/core, cma: Nice log-friendly string helpers")
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Sagi Grimberg <sagig@mellanox.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Tracing is useful for debugging and performance tuning. Add similar
traces to what's present in the cpu cooling device.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Add a generic thermal cooling device for devfreq, that is similar to
cpu_cooling.
The device must use devfreq. In order to use the power extension of the
cooling device, it must have registered its OPPs using the OPP library.
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Javi Merino <javi.merino@arm.com>
Signed-off-by: Ørjan Eide <orjan.eide@arm.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
The WRSTBI bit (disabled by default but enabled by bootloader), when
set, is responsible for resetting voltages to default values of
certain bucks on falling edge of Warm Reset Input pin from AP.
However on some boards (with S2MPS13) the pin is pulled down so any
suspend will effectively trigger the reset of bucks supplying the power
to the little and big cores. In the same time when resuming, these bucks
must provide voltage greater or equal to voltage before suspend to match
the frequency chosen by cpufreq. If voltage (default value of voltage
after reset) is lower than one set by cpufreq before suspend, then
system will hang during resuming.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reported-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Tested-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
rts522a(rts5227s) is derived from rts5227, and mainly same with rts5227.
Add it to file mfd/rts5227.c to support this chip.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Definitions for GPIO registers 8, 9, 10, 11, 12 and 13 are added into
the register header file.
- DA9052_GPIO_8_9_REG 25
- DA9052_GPIO_10_11_REG 26
- DA9052_GPIO_12_13_REG 27
A modification is also made to the MFD core code to define these registers
as readable and writable. The functions for da9052_reg_readable() and
da9052_reg_writeable() have had their case statements altered to include
these new registers.
Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch defines some macros to be used as value for the
"atmel,flexcom-mode" DT property. This value is then written into
the Operating Mode (OPMODE) bit field of the Flexcom Mode Register.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Add MFD core driver for Intel Broxton Whiskey Cove PMIC,
which is specially accessed by hardware IPC, not a generic
I2C device
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
IRQ control registers of Intel Broxton Whisky Cove PMIC are
separated in two parts, so add secondary IRQ chip.
And the new member of device will be used in PMC IPC regmap APIs.
Signed-off-by: Qipeng Zha <qipeng.zha@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This is the NFC pull request for 4.4.
It's a bit bigger than usual, the 3 main culprits being:
- A new driver for Intel's Fields Peak NCI chipset. In order to
support this chipset we had to export a few NCI routines and
extend the driver NCI ops to not only support proprietary
commands but also core ones.
- Support for vendor commands for both STM drivers, st-nci
and st21nfca. Those vendor commands allow to run factory tests
through the NFC netlink interface.
- New i2c and SPI support for the Marvell driver, together with
firmware download support for this driver's core.
Besides that we also have:
- A few file renames in the STM drivers, to keep the naming
consistent between drivers.
- Some improvements and fixes on the NCI HCI layer, mostly to
properly reach a secure element over a legacy HCI link.
- A few fixes for the s3fwrn5 and trf7970a drivers.
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Merge tag 'nfc-next-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-next
Samuel Ortiz says:
====================
NFC 4.4 pull request
This is the NFC pull request for 4.4.
It's a bit bigger than usual, the 3 main culprits being:
- A new driver for Intel's Fields Peak NCI chipset. In order to
support this chipset we had to export a few NCI routines and
extend the driver NCI ops to not only support proprietary
commands but also core ones.
- Support for vendor commands for both STM drivers, st-nci
and st21nfca. Those vendor commands allow to run factory tests
through the NFC netlink interface.
- New i2c and SPI support for the Marvell driver, together with
firmware download support for this driver's core.
Besides that we also have:
- A few file renames in the STM drivers, to keep the naming
consistent between drivers.
- Some improvements and fixes on the NCI HCI layer, mostly to
properly reach a secure element over a legacy HCI link.
- A few fixes for the s3fwrn5 and trf7970a drivers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Johan Hedberg says:
====================
pull request: bluetooth-next 2015-10-28
Here are a some more Bluetooth patches for 4.4 which collected up during
the past week. The most important ones are from Kuba Pawlak for fixing
locking issues with SCO sockets. There's also a fix from Alexander Aring
for 6lowpan, a memleak fix from Julia Lawall for the btmrvl driver and
some cleanup patches from Marcel.
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Our IRQ storm detection works when an interrupt handler returns
IRQ_NONE for thousands of consecutive interrupts in a second. It
doesn't hurt to occasionally return IRQ_NONE when the interrupt is
actually genuine.
Drivers should only be returning IRQ_HANDLED if they have actually
*done* something to stop an interrupt from happening — it doesn't just
mean "this really *was* my device".
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Cc: davem@davemloft.net
Link: http://lkml.kernel.org/r/1446016471.3405.201.camel@infradead.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Return true when fence 1 is later than fence 2 without
checking if any of them are signaled.
Useful for driver specific resource handling based on fences.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Waiting for the first fence in an array of fences to signal.
This is useful for device driver specific resource managers
and also Vulkan needs something similar.
v2: more parameter checks, handling for timeout==0,
remove NULL entry support, better callback removal.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
NOTE: Link-local IPv6 addresses for remote endpoints are not supported,
since the driver currently has no capacity for binding a geneve
interface to a specific link.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Reviewed-by: Jesse Gross <jesse@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
