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Replace the test in zap_completion_queue to test when it is safe to
free skbs in hard irq context with skb_irq_freeable ensuring we only
free skbs when it is safe, and removing the possibility of subtle
problems.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently netpoll and skb_release_head_state assume that a skb is
freeable in hard irq context except when skb->destructor is set.
The reality is far from this. So add a function skb_irq_freeable to
compute the full test and in the process be the living documentation
of what the requirements are of actually freeing a skb in hard irq
context.
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://gitorious.org/linux-can/linux-can
linux-can-fixes-for-3.15-20140401
Marc Kleine-Budde says:
====================
this is a pull request of 16 patches for the 3.15 release cycle.
Bjorn Van Tilt contributes a patch which fixes a memory leak in usb_8dev's
usb_8dev_start_xmit()s error path. A patch by Robert Schwebel fixes a typo in
the can documentation. The remaining patches all target the c_can driver. Two
of them are by me; they add a missing netif_napi_del() and return value
checking. Thomas Gleixner contributes 12 patches, which address several
shortcomings in the driver like hardware initialisation, concurrency, message
ordering and poor performance.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 2b3d7b758c687("qlcnic: Add VXLAN Rx offload support") uses
vxlan_get_rx_port() which caused build failure when VXLAN=m.
This patch fixes the build failure by adding dependency on VXLAN
in Kconfig of qlcnic module and use vxlan_get_rx_port() and support
code accordingly.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull EDAC updates from Borislav Petkov:
"A bunch of EDAC updates all over the place:
- Support for new AMD models, along with more graceful fallback for
unsupported hw.
- Bunch of fixes from SUSE accumulated from bug reports
- Misc other fixes and cleanups"
* tag 'edac_for_3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: Add support for newer F16h models
i7core_edac: Drop unused variable
i82875p_edac: Drop redundant call to pci_get_device()
amd8111_edac: Fix leaks in probe error paths
e752x_edac: Drop pvt->bridge_ck
MCE, AMD: Fix decoding module loading on unsupported hw
i5100_edac: Remove an unneeded condition in i5100_init_csrows()
sb_edac: Degrade log level for device registration
amd64_edac: Fix logic to determine channel for F15 M30h processors
edac/85xx: Remove deprecated IRQF_DISABLED
i3200_edac: Add a missing pci_disable_device() on the exit path
i5400_edac: Disable device when unloading module
e752x_edac: Simplify call to pci_get_device()
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon updates from Guenter Roeck:
- New drivers for ADC128D818, LTC2945, LTC4260, and LTC4222
- Added support for LTM4676 to ltc2978 driver
- Converted several drivers to use devm_hwmon_device_register_with_groups
- Various cleanup in several drivers
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (36 commits)
hwmon: (pmbus/ltc2978) Add support for LTM4676
hwmon: (pmbus/ltc2978) Add new chip ID for LTC2974
hwmon: Do not accept invalid name attributes
hwmon: (max6639) Use SIMPLE_DEV_PM_OPS macro
hwmon: (lm95245) Make temp2_crit_hyst read-only
hwmon: (lm95245) Convert to use devm_hwmon_device_register_with_groups
hwmon: (lm95245) Drop useless debug message
hwmon: (lm95245) Fix hysteresis temperatures
hwmon: (max6639) Convert to use devm_hwmon_device_register_with_groups
hwmon: (max6639) Introduce local dev variable, and reduce noisiness
hwmon: (max6650) Introduce local 'dev' variable
hwmon: (max6650) Drop error message after memory allocation failures
hwmon: (max6650) Convert to use devm_hwmon_device_register_with_groups
hwmon: (max6650) Rearrange code to no longer require forward declarations
hwmon: (ltc4215) Convert to devm_hwmon_device_register_with_groups
hwmon: (coretemp) Convert to use devm_hwmon_device_register_with_groups
hwmon: (coretemp) Allocate platform data with devm_kzalloc
hwmon: (coretemp) Use sysfs_create_group to create sysfs attributes
hwmon: (ltc4245) Remove devicetree conditionals
hwmon: (ltc4245) Drop debug messages
...
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Pull watchdog updates from Wim Van Sebroeck:
"This patchset contains:
- Various small clean-ups and fixes
- boot logic hanegs for mpc8xxx_wdt
- it87_wdt: Work around non-working CIR interrupts
- iTCO_wdt: Fix the parent device
- Kconfig dependencies
- simplification of code with devm_ioremap_resource() or
platform_driver_probe()
- conversion of xilinx watchdog driver to Generic watchdog Framework
- addition of extra functionality and devices for the xilinx watchdog
driver
- Addition of Tegra watchdog"
* git://www.linux-watchdog.org/linux-watchdog: (38 commits)
watchdog: Fix Elan SC520 dependencies
watchdog: ib700wdt: Use platform_driver_probe
watchdog: geodewdt: Use platform_driver_probe
watchdog: advantechwdt: Use platform_driver_probe
watchdog: acquirewdt: Use platform_driver_probe
watchdog: iTCO_wdt: Fix the parent device
watchdog: it87_wdt: Work around non-working CIR interrupts
watchdog: bcm281xx: Fix Kconfig dependency
watchdog: s3c2410_wdt: Check return value of clk_prepare_enable
watchdog: s3c2410_wdt: Remove unneeded initialization
watchdog: sunxi: Change compatibles
watchdog: orion: prepare new Dove DT Kconfig variable
watchdog: fix checkpatch warnings and error
watchdog: Add tegra watchdog
watchdog: xilinx: Remove no_timeout variable
watchdog: xilinx: Enable this driver for Zynq
watchdog: xilinx: Add missing binding
watchdog: xilinx: Use correct comment indentation
watchdog: xilinx: Use of_property_read_u32
watchdog: xilinx: Fix all printk messages
...
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This commit fixes a build error reported by Fengguang, that is
triggered when CONFIG_NETWORK_PHY_TIMESTAMPING is not set:
ERROR: "ptp_classify_raw" [drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe.ko] undefined!
The fix is to introduce its own file for the PTP BPF classifier,
so that PTP_1588_CLOCK and/or NETWORK_PHY_TIMESTAMPING can select
it independently from each other. IXP4xx driver on ARM needs to
select it as well since it does not seem to select PTP_1588_CLOCK
or similar that would pull it in automatically.
This also allows for hiding all of the internals of the BPF PTP
program inside that file, and only exporting relevant API bits
to drivers.
This patch also adds a kdoc documentation of ptp_classify_raw()
API to make it clear that it can return PTP_CLASS_* defines. Also,
the BPF program has been translated into bpf_asm code, so that it
can be more easily read and altered (extensively documented in [1]).
In the kernel tree under tools/net/ we have bpf_asm and bpf_dbg
tools, so the commented program can simply be translated via
`./bpf_asm -c prog` where prog is a file that contains the
commented code. This makes it easily readable/verifiable and when
there's a need to change something, jump offsets etc do not need
to be replaced manually which can be very error prone. Instead,
a newly translated version via bpf_asm can simply replace the old
code. I have checked opcode diffs before/after and it's the very
same filter.
[1] Documentation/networking/filter.txt
Fixes: 164d8c666521 ("net: ptp: do not reimplement PTP/BPF classifier")
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Jiri Benc <jbenc@redhat.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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CONFIG_PROC_DEVICETREE has been removed from the tree. This commit
removes a dangling select of the config symbol.
Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: Paul Bolle <pebolle@tiscali.nl>
Cc: Rob Herring <rob.herring@linaro.org>
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The "core_ops" variable isn't referenced outside this file and Sparse
complains about it:
drivers/net/ethernet/samsung/sxgbe/sxgbe_core.c:239:29: warning:
symbol 'core_ops' was not declared. Should it be static?
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bitwise '|' was intended here instead of logical '||'.
Fixes: 1edb9ca69e8a ('net: sxgbe: add basic framework for Samsung 10Gb ethernet driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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"err" is always zero at this point so we always unregister and free the
mdio_bus before returning success. This seems like left over code and
I have deleted it.
Fixes: 1edb9ca69e8a ('net: sxgbe: add basic framework for Samsung 10Gb ethernet driver')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When using the "separate_tx_channels=1" module parameter, the TX queues are
initially numbered starting from the first TX-only channel number (after all the
RX-only channels). efx_set_channels() renumbers the queues so that they are
indexed from zero.
On EF10, the TX queues need to be relabelled in this way before calling the
dimension_resources NIC type operation, otherwise the TX queue PIO buffers can be
linked to the wrong VIs when using "separate_tx_channels=1".
Added comments to explain UC/WC mappings for PIO buffers
Signed-off-by: Shradha Shah <sshah@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When netback discovers frontend is sending malformed packet it will
disables the interface which serves that frontend.
However disabling a network interface involving taking a mutex which
cannot be done in softirq context, so we need to defer this process to
kthread context.
This patch does the following:
1. introduce a flag to indicate the interface is disabled.
2. check that flag in TX path, don't do any work if it's true.
3. check that flag in RX path, turn off that interface if it's true.
The reason to disable it in RX path is because RX uses kthread. After
this change the behavior of netback is still consistent -- it won't do
any TX work for a rogue frontend, and the interface will be eventually
turned off.
Also change a "continue" to "break" after xenvif_fatal_tx_err, as it
doesn't make sense to continue processing packets if frontend is rogue.
This is a fix for XSA-90.
Reported-by: Török Edwin <edwin@etorok.net>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure that vxlan_get_rx_port() is present in the kernel build in a manner
consistent with mlx4, else mlx4 can be made built-in where vxlan a module and
the phase of the build linking fails. Add CONFIG_MLX4_EN_VXLAN for that.
Also, #ifdef the advertizement and implementation of the mlx4 vxlan ndo
calls and related code under this config directive.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a CONFIG_BE2NET_VXLAN define to control be2net's build
dependency on the VXLAN driver.
Without this fix, the kernel build fails when VxLAN driver is
selected to be built as a module while be2net is built-in.
fixes: c9c47142 ("be2net: csum, tso and rss steering offload support for VxLAN")
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 9b2777d6089bcd (ieee802154: add TX power control to wpan_phy)
and following erroneously added CSMA and CCA parameters for 802.15.4
devices as PHY parameters, while they are actually MAC parameters and
can differ for any two WPAN instances. Since it is now sensible to have
multiple WPAN devices with differing CSMA/CCA parameters, make these
parameters MAC parameters instead.
Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All 802.15.4 PHY devices with drivers in tree can support only one WPAN
at any given time, yet the stack allows arbitrarily many WPAN devices to
be created and up at the same time. This cannot work with what the
hardware provides, and in the current implementation, provides an easy
DoS vector to any process on the system that may call socket() and
sendmsg().
Thus, allow only one WPAN per PHY to be up at once, just like mac80211
does for managed devices.
Signed-off-by: Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi Updates from Mark Brown:
"A busy release for both cleanups and new drivers this time along with
further factoring out of replicated code into the core:
- Provide support in the core for DMA mapping transfers - essentially
all drivers weren't implementing this properly, now there's no
excuse.
- Dual and quad mode support for spidev.
- Fix handling of cs_change in the generic implementation.
- Remove the S3C_DMA code from the s3c64xx driver now that all the
platforms using it have been converted to dmaengine.
- Lots of improvements to the Renesas SPI controllers.
- Drivers for Allwinner A10 and A31, Qualcomm QUP and Xylinx xtfpga.
- Removal of the bitrotted ti-ssp driver"
* tag 'spi-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (199 commits)
spi: Fix handling of cs_change in core implementation
spi: bitbang: Make spi_bitbang_stop() return void
spi: mpc52xx: Convert to use bits_per_word_mask
spi: omap-100k: Fix memory leak
spi: dw: Don't call kfree for memory allocated by devm_kzalloc
spi: fsl-dspi: Fix memory leak
spi: omap-uwire: add missing iounmap
spi: clps711x: Convert to use master->max_speed_hz
spi: clps711x: Enable driver compilation with COMPILE_TEST
spi: omap-uwire: Remove full duplex check
spi: Do not require a completion
spi: topcliff-pch: Transform noisy message to dev_vdbg
spi: coldfire-qspi: Simplify the code to set register bits for transfer speed
spi: bcm63xx: Remove unused define for PFX
spi: efm32: use $vendor,$device scheme for compatible string
spi: clps711x: Remove <mach/hardware.h> dependency
spi: topcliff-pch: Properly unregister platform devices on probe() error paths
spi: fsl-espi: Remove unused bits_per_word variable in fsl_espi_bufs
spi: altera: Remove the code to get unused platform_data
spi: fsl-lib: Fix memory leak of pinfo
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"This release has lots and lots of small cleanups and fixes in the
regulator subsystem, mainly cleaning up some bad patterns that got
duplicated in DT code, but otherwise very little of note outside of
the scope of the relevant drivers:
- Support for configuration of the initial state for gpio regulators
with multi-voltage support.
- Support for calling regulator_set_voltage() on fixed regulators.
- New drivers for Broadcom BCM590xx, Freescale pfuze200, Samsung
S2MPA01 & S2MPS11/4, some PWM controlled regulators found on some
ST boards and TI TPS65218"
* tag 'regulator-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (154 commits)
regulator: aat2870: Use regulator_map_voltage_ascend
regulator: st-pwm: Convert to get_voltage_sel
regulator: Add new driver for ST's PWM controlled voltage regulators
regulator: bcm590xx: Remove **rdev from struct bcm590xx_reg
regulator: bcm590xx: Make the modalias matches the driver name
regulator: s5m8767: Convert to use regulator_[enable|disable|is_enabled]_regmap
regulator: db8500-prcmu: Set 1.8V as a fixed voltage for vsmps2
regulator: s2mps11: Add missing of_node_put
regulator: s2mps11: Use of_get_child_by_name
Documentation: mfd: s2mps11: Document support for S2MPS14
regulator: s2mps11: Add set_suspend_disable for S2MPS14
regulator: s2mps11: Add support for S2MPS14 regulators
regulator: max8660: Fix brace alignment
regulator: dbx500: use seq_puts() instead of seq_printf()
regulator: dbx500-prcmu: Silence checkpatch warnings
regulator: anatop: Remove checking control_reg in [set|get]_voltage_sel
regulator: max8952: Silence checkpatch warning
regulator: max8925: Silence checkpatch warning
regulator: max8660: Silence checkpatch warnings
regulator: arizona-ldo1: Correct default regulator init_data
...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Quite a busy release for regmap this time around, the standout changes
are:
- A real implementation of regmap_multi_write() and a bypassed
version of it for use by drivers doing patch-like things with more
open coding for surrounding startup sequences.
- Support fast_io on bulk operations.
- Support split device binding and map initialisation for use by
devices required in early init (mainly system controllers).
- Fixes for some operations on maps with strides set.
- Export the value parsing operations to help generic code built on
top of the API.
- Support for MMIO regmaps with non-32 bit register sizes.
plus a few smaller fixes"
* tag 'regmap-v3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (22 commits)
regmap: mmio: Add regmap_mmio_regbits_check.
regmap: mmio: Add support for 1/2/8 bytes wide register address.
regmap: mmio: add regmap_mmio_{regsize, count}_check.
regmap: cache: Don't attempt to sync non-writeable registers
regmap: cache: Step by stride in default sync
regmap: Fix possible sleep-in-atomic in regmap_bulk_write()
regmap: Ensure regmap_register_patch() is compatible with fast_io
regmap: irq: Set data pointer only on regmap_add_irq_chip success
regmap: Implementation for regmap_multi_reg_write
regmap: add regmap_parse_val api
mfd: arizona: Use new regmap features for manual register patch
regmap: Base regmap_register_patch on _regmap_multi_reg_write
regmap: Add bypassed version of regmap_multi_reg_write
regmap: Mark reg_defaults in regmap_multi_reg_write as const
regmap: fix coccinelle warnings
regmap: Check stride of register patch as we register it
regmap: Clean up _regmap_update_bits()
regmap: Separate regmap dev initialization
regmap: Check readable regs in _regmap_read
regmap: irq: Remove domain on exit
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control bulk changes from Linus Walleij:
"Pin control bulk changes for the v3.15 series, no new core
functionality this time, just incremental driver updates:
- A large refactoring of the MVEBU (Marvell) driver.
- A large refactoring of the Tegra (nVidia) driver.
- GPIO interrupt including soft edges support in the STi driver.
- Misc updates to PFC (Renesas), AT91, ADI2 (Blackfin),
pinctrl-single, sirf (CSR), msm (Qualcomm), Exynos (Samsung), sunxi
(AllWinner), i.MX (Freescale), Baytrail"
* tag 'pinctrl-v3.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (72 commits)
pinctrl: tegra: add some missing Tegra114 entries
pinctrl: tegra: fix some mistakes in Tegra124
pinctrl: msm: fix up out-of-order merge conflict
pinctrl: st: Fix error check for of_irq_to_resource usage
pinctrl: tegra: consistency cleanup
pinctrl: tegra: dynamically calculate function list of groups
pinctrl: tegra: init Tegra20/30 at module_init time
pinctrl: st: Use ARRAY_SIZE instead of raw value for number of delays
pinctrl: st: add pinctrl support for the STiH407 SoC
pinctrl: st: Enhance the controller to manage unavailable registers
pinctrl: msm: Simplify msm_config_reg() and callers
pinctrl: msm: Remove impossible WARN_ON()s
pinctrl: msm: Replace lookup tables with math
pinctrl: msm: Drop OF_IRQ dependency
pinctrl: msm: Drop unused includes
pinctrl: msm: Check for ngpios > MAX_NR_GPIO
pinctrl: msm: Silence recursive lockdep warning
pinctrl: mvebu: silence WARN to dev_warn
pinctrl: msm: drop wake_irqs bitmap
pinctrl-baytrail: add function mux checking in gpio pin request
...
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* pm-runtime:
PM / Runtime: Spelling s/competing/completing/
PM / Runtime: s/foo_process_requests/foo_process_next_request/
PM / Runtime: GENERIC_SUBSYS_PM_OPS is gone
PM / Runtime: Correct documented return values for generic PM callbacks
PM / Runtime: Split line longer than 80 characters
PM / Runtime: dev_pm_info.runtime_error is signed
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* pm-cpufreq:
cpufreq: Make cpufreq_notify_transition & cpufreq_notify_post_transition static
cpufreq: Convert existing drivers to use cpufreq_freq_transition_{begin|end}
cpufreq: Make sure frequency transitions are serialized
intel_pstate: Use del_timer_sync in intel_pstate_cpu_stop
cpufreq: resume drivers before enabling governors
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* acpi-processor:
Revert "ACPI / processor: Make it possible to get APIC ID via GIC"
* pnp:
PNP: remove deprecated IRQF_DISABLED
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* acpica:
ACPICA: Enable auto-serialization as a default kernel behavior.
ACPICA: Ignore sync_level for methods that have been auto-serialized.
ACPICA: Add additional named objects for the auto-serialize method scan.
ACPICA: Add auto-serialization support for ill-behaved control methods.
ACPICA: Remove global option to serialize all control methods.
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"The majority of this material spent some time in linux-next, some of
it even several weeks. There are a few relatively fresh commits in
it, but they are mostly fixes and simple cleanups.
ACPI took the lead this time, both in terms of the number of commits
and the number of modified lines of code, cpufreq follows and there
are a few changes in the PM core and in cpuidle too.
A new feature that already got some LWN.net's attention is the device
PM QoS extension allowing latency tolerance requirements to be
propagated from leaf devices to their ancestors with hardware
interfaces for specifying latency tolerance. That should help systems
with hardware-driven power management to avoid going too far with it
in cases when there are latency tolerance constraints.
There also are some significant changes in the ACPI core related to
the way in which hotplug notifications are handled. They affect PCI
hotplug (ACPIPHP) and the ACPI dock station code too. The bottom line
is that all those notification now go through the root notify handler
and are propagated to the interested subsystems by means of callbacks
instead of having to install a notify handler for each device object
that we can potentially get hotplug notifications for.
In addition to that ACPICA will now advertise "Windows 2013"
compatibility for _OSI, because some systems out there don't work
correctly if that is not done (some of them don't even boot).
On the system suspend side of things, all of the device suspend and
resume callbacks, except for ->prepare() and ->complete(), are now
going to be executed asynchronously as that turns out to speed up
system suspend and resume on some platforms quite significantly and we
have a few more optimizations in that area.
Apart from that, there are some new device IDs and fixes and cleanups
all over. In particular, the system suspend and resume handling by
cpufreq should be improved and the cpuidle menu governor should be a
bit more robust now.
Specifics:
- Device PM QoS support for latency tolerance constraints on systems
with hardware interfaces allowing such constraints to be specified.
That is necessary to prevent hardware-driven power management from
becoming overly aggressive on some systems and to prevent power
management features leading to excessive latencies from being used
in some cases.
- Consolidation of the handling of ACPI hotplug notifications for
device objects. This causes all device hotplug notifications to go
through the root notify handler (that was executed for all of them
anyway before) that propagates them to individual subsystems, if
necessary, by executing callbacks provided by those subsystems
(those callbacks are associated with struct acpi_device objects
during device enumeration). As a result, the code in question
becomes both smaller in size and more straightforward and all of
those changes should not affect users.
- ACPICA update, including fixes related to the handling of _PRT in
cases when it is broken and the addition of "Windows 2013" to the
list of supported "features" for _OSI (which is necessary to
support systems that work incorrectly or don't even boot without
it). Changes from Bob Moore and Lv Zheng.
- Consolidation of ACPI _OST handling from Jiang Liu.
- ACPI battery and AC fixes allowing unusual system configurations to
be handled by that code from Alexander Mezin.
- New device IDs for the ACPI LPSS driver from Chiau Ee Chew.
- ACPI fan and thermal optimizations related to system suspend and
resume from Aaron Lu.
- Cleanups related to ACPI video from Jean Delvare.
- Assorted ACPI fixes and cleanups from Al Stone, Hanjun Guo, Lan
Tianyu, Paul Bolle, Tomasz Nowicki.
- Intel RAPL (Running Average Power Limits) driver cleanups from
Jacob Pan.
- intel_pstate fixes and cleanups from Dirk Brandewie.
- cpufreq fixes related to system suspend/resume handling from Viresh
Kumar.
- cpufreq core fixes and cleanups from Viresh Kumar, Stratos
Karafotis, Saravana Kannan, Rashika Kheria, Joe Perches.
- cpufreq drivers updates from Viresh Kumar, Zhuoyu Zhang, Rob
Herring.
- cpuidle fixes related to the menu governor from Tuukka Tikkanen.
- cpuidle fix related to coupled CPUs handling from Paul Burton.
- Asynchronous execution of all device suspend and resume callbacks,
except for ->prepare and ->complete, during system suspend and
resume from Chuansheng Liu.
- Delayed resuming of runtime-suspended devices during system suspend
for the PCI bus type and ACPI PM domain.
- New set of PM helper routines to allow device runtime PM callbacks
to be used during system suspend and resume more easily from Ulf
Hansson.
- Assorted fixes and cleanups in the PM core from Geert Uytterhoeven,
Prabhakar Lad, Philipp Zabel, Rashika Kheria, Sebastian Capella.
- devfreq fix from Saravana Kannan"
* tag 'pm+acpi-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (162 commits)
PM / devfreq: Rewrite devfreq_update_status() to fix multiple bugs
PM / sleep: Correct whitespace errors in <linux/pm.h>
intel_pstate: Set core to min P state during core offline
cpufreq: Add stop CPU callback to cpufreq_driver interface
cpufreq: Remove unnecessary braces
cpufreq: Fix checkpatch errors and warnings
cpufreq: powerpc: add cpufreq transition latency for FSL e500mc SoCs
MAINTAINERS: Reorder maintainer addresses for PM and ACPI
PM / Runtime: Update runtime_idle() documentation for return value meaning
video / output: Drop display output class support
fujitsu-laptop: Drop unneeded include
acer-wmi: Stop selecting VIDEO_OUTPUT_CONTROL
ACPI / gpu / drm: Stop selecting VIDEO_OUTPUT_CONTROL
ACPI / video: fix ACPI_VIDEO dependencies
cpufreq: remove unused notifier: CPUFREQ_{SUSPENDCHANGE|RESUMECHANGE}
cpufreq: Do not allow ->setpolicy drivers to provide ->target
cpufreq: arm_big_little: set 'physical_cluster' for each CPU
cpufreq: arm_big_little: make vexpress driver depend on bL core driver
ACPI / button: Add ACPI Button event via netlink routine
ACPI: Remove duplicate definitions of PREFIX
...
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This minor patch fixes the following warning when doing
a `make htmldocs`:
DOCPROC Documentation/DocBook/networking.xml
Warning(.../net/core/filter.c:135): No description found for parameter 'insn'
Warning(.../net/core/filter.c:135): Excess function parameter 'fentry' description in '__sk_run_filter'
HTML Documentation/DocBook/networking.html
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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nla_strcmp compares the string length plus one, so it's implicitly
including the nul-termination in the comparison.
int nla_strcmp(const struct nlattr *nla, const char *str)
{
int len = strlen(str) + 1;
...
d = memcmp(nla_data(nla), str, len);
However, if NLA_STRING is used, userspace can send us a string without
the nul-termination. This is a problem since the string
comparison will not match as the last byte may be not the
nul-termination.
Fix this by skipping the comparison of the nul-termination if the
attribute data is nul-terminated. Suggested by Thomas Graf.
Cc: Florian Westphal <fw@strlen.de>
Cc: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq code updates from Thomas Gleixner:
"The irq department proudly presents:
- Another tree wide sweep of irq infrastructure abuse. Clear winner
of the trainwreck engineering contest was:
#include "../../../kernel/irq/settings.h"
- Tree wide update of irq_set_affinity() callbacks which miss a cpu
online check when picking a single cpu out of the affinity mask.
- Tree wide consolidation of interrupt statistics.
- Updates to the threaded interrupt infrastructure to allow explicit
wakeup of the interrupt thread and a variant of synchronize_irq()
which synchronizes only the hard interrupt handler. Both are
needed to replace the homebrewn thread handling in the mmc/sdhci
code.
- New irq chip callbacks to allow proper support for GPIO based irqs.
The GPIO based interrupts need to request/release GPIO resources
from request/free_irq.
- A few new ARM interrupt chips. No revolutionary new hardware, just
differently wreckaged variations of the scheme.
- Small improvments, cleanups and updates all over the place"
I was hoping that that trainwreck engineering contest was a April Fools'
joke. But no.
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (68 commits)
irqchip: sun7i/sun6i: Disable NMI before registering the handler
ARM: sun7i/sun6i: dts: Fix IRQ number for sun6i NMI controller
ARM: sun7i/sun6i: irqchip: Update the documentation
ARM: sun7i/sun6i: dts: Add NMI irqchip support
ARM: sun7i/sun6i: irqchip: Add irqchip driver for NMI controller
genirq: Export symbol no_action()
arm: omap: Fix typo in ams-delta-fiq.c
m68k: atari: Fix the last kernel_stat.h fallout
irqchip: sun4i: Simplify sun4i_irq_ack
irqchip: sun4i: Use handle_fasteoi_irq for all interrupts
genirq: procfs: Make smp_affinity values go+r
softirq: Add linux/irq.h to make it compile again
m68k: amiga: Add linux/irq.h to make it compile again
irqchip: sun4i: Don't ack IRQs > 0, fix acking of IRQ 0
irqchip: sun4i: Fix a comment about mask register initialization
irqchip: sun4i: Fix irq 0 not working
genirq: Add a new IRQCHIP_EOI_THREADED flag
genirq: Document IRQCHIP_ONESHOT_SAFE flag
ARM: sunxi: dt: Convert to the new irq controller compatibles
irqchip: sunxi: Change compatibles
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer changes from Thomas Gleixner:
"This assorted collection provides:
- A new timer based timer broadcast feature for systems which do not
provide a global accessible timer device. That allows those
systems to put CPUs into deep idle states where the per cpu timer
device stops.
- A few NOHZ_FULL related improvements to the timer wheel
- The usual updates to timer devices found in ARM SoCs
- Small improvements and updates all over the place"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
tick: Remove code duplication in tick_handle_periodic()
tick: Fix spelling mistake in tick_handle_periodic()
x86: hpet: Use proper destructor for delayed work
workqueue: Provide destroy_delayed_work_on_stack()
clocksource: CMT, MTU2, TMU and STI should depend on GENERIC_CLOCKEVENTS
timer: Remove code redundancy while calling get_nohz_timer_target()
hrtimer: Rearrange comments in the order struct members are declared
timer: Use variable head instead of &work_list in __run_timers()
clocksource: exynos_mct: silence a static checker warning
arm: zynq: Add support for cpufreq
arm: zynq: Don't use arm_global_timer with cpufreq
clocksource/cadence_ttc: Overhaul clocksource frequency adjustment
clocksource/cadence_ttc: Call clockevents_update_freq() with IRQs enabled
clocksource: Add Kconfig entries for CMT, MTU2, TMU and STI
sh: Remove Kconfig entries for TMU, CMT and MTU2
ARM: shmobile: Remove CMT, TMU and STI Kconfig entries
clocksource: armada-370-xp: Use atomic access for shared registers
clocksource: orion: Use atomic access for shared registers
clocksource: timer-keystone: Delete unnecessary variable
clocksource: timer-keystone: introduce clocksource driver for Keystone
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 iommu quirk fix from Thomas Gleixner:
"A quirk for the iommu quirk to include silicon which was assumed not
to be out in the wild.
This time with the correct logic applied"
* 'x86-iommu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Adjust irq remapping quirk for older revisions of 5500/5520 chipsets
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 threadinfo changes from Ingo Molnar:
"The main change here is the consolidation/unification of 32 and 64 bit
thread_info handling methods, from Steve Rostedt"
* 'x86-threadinfo-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, threadinfo: Redo "x86: Use inline assembler to get sp"
x86: Clean up dumpstack_64.c code
x86: Keep thread_info on thread stack in x86_32
x86: Prepare removal of previous_esp from i386 thread_info structure
x86: Nuke GET_THREAD_INFO_WITH_ESP() macro for i386
x86: Nuke the supervisor_stack field in i386 thread_info
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer updates from Ingo Molnar:
"The main purpose is to fix a full dynticks bug related to
virtualization, where steal time accounting appears to be zero in
/proc/stat even after a few seconds of competing guests running busy
loops in a same host CPU. It's not a regression though as it was
there since the beginning.
The other commits are preparatory work to fix the bug and various
cleanups"
* 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
arch: Remove stub cputime.h headers
sched: Remove needless round trip nsecs <-> tick conversion of steal time
cputime: Fix jiffies based cputime assumption on steal accounting
cputime: Bring cputime -> nsecs conversion
cputime: Default implementation of nsecs -> cputime conversion
cputime: Fix nsecs_to_cputime() return type cast
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpufeature update from Ingo Molnar:
"Two refinements to clflushopt support"
* 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, cpufeature: If we disable CLFLUSH, we should disable CLFLUSHOPT
x86, cpufeature: Rename X86_FEATURE_CLFLSH to X86_FEATURE_CLFLUSH
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Fix unfortunate mismerge between the fixes and sony branch causing
code duplication and unterminated basic block.
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 reboot changes from Ingo Molnar:
"Refine the reboot logic around the CF9 and EFI reboot methods, to make
it more robust. The expectation is for no working system to break,
and for a couple of reboot-force systems to start rebooting
automatically again"
* 'x86-reboot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, reboot: Only use CF9_COND automatically, not CF9
x86, reboot: Add EFI and CF9 reboot methods into the default list
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into for-linus
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Conflicts:
drivers/hid/hid-core.c
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Conflicts:
drivers/hid/hid-ids.h
drivers/hid/hid-sony.c
drivers/hid/i2c-hid/i2c-hid.c
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm change from Ingo Molnar:
"A micro-optimization for acpi_numa_slit_init()"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm: Avoid duplicated pxm_to_node() calls
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git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32
Pull AVR32 updates from Hans-Christian Egtvedt.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/linux-avr32:
avr32: replace simple_strtoul() with kstrtoul()
arch/avr32/mm/cache.c: export symbol flush_icache_range() for module using
avr32: remove cpu_data macro to fix compiles
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The Sixaxis and DualShock 4 want HID output reports sent on the control
endpoint when connected via Bluetooth. Set the
HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP flag for these devices so hidraw write()
works properly.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Byte 31 of the Sixaxis report can change depending on whether or not the
controller is rumbling. Using bit 3 is the only reliable way to detect the
state of the cable regardless of rumble activity.
Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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UHID_CREATE2:
HID report descriptor data (rd_data) is an array in struct uhid_create2_req,
instead of a pointer. Enables use from languages that don't support pointers,
e.g. Python.
UHID_INPUT2:
Data array is the last field of struct uhid_input2_req. Enables userspace to
write only the required bytes to kernel (ev.type + ev.u.input2.size + the part
of the data array that matters), instead of the entire struct uhid_input2_req.
Note:
UHID_CREATE2 increases the total size of struct uhid_event slightly, thus
increasing the size of messages that are queued for userspace. However, this
won't affect the userspace processing of these events.
[Jiri Kosina <jkosina@suse.cz>: adjust to hid_get_raw_report() and
hid_output_raw_report() API changes]
Signed-off-by: Petri Gynther <pgynther@google.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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There is no point to toggle the RX led for every packet. Especially if
we have a full FIFO we want to avoid everything we can.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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