The pad handling code introduced for the Cintiq Companion 2 (f7acb55)
looks at the wrong bytes in the report when deciding whether ABS_MISC
should be sent. This does not cause any issues with the X driver now
that the pen and pad have been split to separate devices, but is
incorrect and has caused issues when backporting to distros with pre-
3.17 kernels.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
When support for the Cintiq Companion Hybrid and Cintiq Companion 2 was
added (36d3c51 and f7acb55), the 'wacom_query_tablet_data' function was
updated to include references to CINTIQ_HYBRID and CINTIQ_COMPANION_2
with the thought that they were necessary to switch the touch interface
into the proper mode. This is unnecessary, however, since those types
are only ever associated with the pen interface -- the touch interfaces
are either CINTIQ_24HDT or HID_GENERIC. To avoid confusion in the future,
we remove the unnecessary CINTIQ_HYBRID and CINTIQ_COMPANION_2 conditions.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Intuos Pen in wireless mode does not have the same report id (2) as
when it is in USB mode (17).
This patch also moves WIRELESS next to REMOTE in type enum so we
can group devices with similar features easily.
Reported-by: Dale Brewe <dlbrewe@hotmail.com>
Tested-by: Dale Brewe <dlbrewe@hotmail.com>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The new Intuos tablets added in eda01da and the Cintiq 13HD Touch added
in b4bf212 are capable of reporting 2048 levels of pressure. Although the
kernel reports the correct range to userspace, an oversight has resulted
in the driver ingoring the 11th pressure bit and only sending pressures
of 0 through 1023.
We could fix this issue by expanding the type check to include these
devices, but it makes much more sense to just have the driver look at
the device's maximum pressure when determining if it should read the
11th bit.
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Adds support for the EMR (pen+pad) and touchscreen devices used by the
Wacom Cintiq Companion 2. This applies both to using the device as a
standalone system, as well as when operating in "Cintiq mode" (where
the EMR/touchscreen are simply exposed as USB devices to the system
its connected to).
Signed-off-by: Jason Gerecke <jason.gerecke@wacom.com>
Signed-off-by: Clifford Jolly <expiredpopsicle@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This series of devices supports both pen and touch. It reports
touch data in Bamboo3 format and pen data in Intuos pro format.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Tested-By: Aaron Skomra <aaron.skomra@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Not all Bamboo support both pen and touch. Make sure we deal with
pen only and touch only devices properly.
Signed-off-by: Ping Cheng <pingc@wacom.com>
Tested-By: Aaron Skomra <aaron.skomra@wacom.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull HID updates from Jiri Kosina:
"to receive patches queued for 4.3 merge window in HID tree. Highlights:
- a lot of improvements (regarding supported features and devices) to
Wacom driver, from Aaron Skomra and Jason Gerecke
- a lot of functional fixes and support for large I2C transfer to
cp2112 driver, from Ellen Wang
- HW support improvements to RMI driver, from Andrew Duggan
- quite some small fixes and device ID additions all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (44 commits)
HID: wacom: wacom_setup_numbered_buttons is local to wacom_wac
HID: wacom: Add support for Express Key Remote.
HID: wacom: Set button bits based on a new numbered_buttons
HID: quirks: add QUIRK_NOGET for an other TPV touchscreen
HID: usbhid: Fix the check for HID_RESET_PENDING in hid_io_error
HID: i2c-hid: Only disable irq wake if it was successfully enabled during suspend
HID: wacom: Use tablet-provided touch height/width values for INTUOSHT
HID: gembird: add new driver to fix Gembird JPD-DualForce 2
HID: lenovo: Hide middle-button press until release
HID: lenovo: Add missing return-value check
HID: lenovo: Use constants for axes names
HID: wacom: Simplify 'wacom_pl_irq'
HID: wacom: Do not repeatedly attempt to set device mode on error
HID: wacom: Do not repeatedly attempt to set device mode on error
HID: wacom: Remove WACOM_QUIRK_NO_INPUT
HID: wacom: Replace WACOM_QUIRK_MONITOR with WACOM_DEVICETYPE_WL_MONITOR
HID: wacom: Use calculated pkglen for wireless touch interface
HID: sony: Fix DS4 controller reporting rate issues
HID: chicony: Add support for Acer Aspire Switch 12
HID: hid-lg: Add USBID for Logitech G29 Wheel
...
Pull user namespace updates from Eric Biederman:
"This finishes up the changes to ensure proc and sysfs do not start
implementing executable files, as the there are application today that
are only secure because such files do not exist.
It akso fixes a long standing misfeature of /proc/<pid>/mountinfo that
did not show the proper source for files bind mounted from
/proc/<pid>/ns/*.
It also straightens out the handling of clone flags related to user
namespaces, fixing an unnecessary failure of unshare(CLONE_NEWUSER)
when files such as /proc/<pid>/environ are read while <pid> is calling
unshare. This winds up fixing a minor bug in unshare flag handling
that dates back to the first version of unshare in the kernel.
Finally, this fixes a minor regression caused by the introduction of
sysfs_create_mount_point, which broke someone's in house application,
by restoring the size of /sys/fs/cgroup to 0 bytes. Apparently that
application uses the directory size to determine if a tmpfs is mounted
on /sys/fs/cgroup.
The bind mount escape fixes are present in Al Viros for-next branch.
and I expect them to come from there. The bind mount escape is the
last of the user namespace related security bugs that I am aware of"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
fs: Set the size of empty dirs to 0.
userns,pidns: Force thread group sharing, not signal handler sharing.
unshare: Unsharing a thread does not require unsharing a vm
nsfs: Add a show_path method to fix mountinfo
mnt: fs_fully_visible enforce noexec and nosuid if !SB_I_NOEXEC
vfs: Commit to never having exectuables on proc and sysfs.
Pull x86 clockevent update from Thomas Gleixner:
"A single commit, which converts HPET clockevents driver to the new
callbacks"
* 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/hpet: Migrate to new set_state interface
Pull x86 apic updates from Thomas Gleixner:
"This udpate contains:
- rework the irq vector array to store a pointer to the irq
descriptor instead of the irq number to avoid a lookup of the irq
descriptor in the irq entry path
- lguest interrupt handling cleanups
- conversion of the local apic timer to the new clockevent callbacks
- preparatory changes for the irq argument removal of interrupt flow
handlers"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Do not dereference irq descriptor before checking it
tools/lguest: Clean up include dir
tools/lguest: Fix redefinition of struct virtio_pci_cfg_cap
x86/irq: Store irq descriptor in vector array
genirq: Provide irq_desc_has_action
x86/irq: Get rid of an indentation level
x86/irq: Rename VECTOR_UNDEFINED to VECTOR_UNUSED
x86/irq: Replace numeric constant
x86/irq: Protect smp_cleanup_move
x86/lguest: Do not setup unused irq vectors
x86/lguest: Clean up lguest_setup_irq
x86/apic: Drop local_irq_save/restore in timer callbacks
x86/apic: Migrate apic timer to new set_state interface
x86/irq: Use access helper irq_data_get_affinity_mask()
x86/irq: Use accessor irq_data_get_irq_handler_data()
x86/irq: Use accessor irq_data_get_node()
Pull irq updates from Thomas Gleixner:
"This updated pull request does not contain the last few GIC related
patches which were reported to cause a regression. There is a fix
available, but I let it breed for a couple of days first.
The irq departement provides:
- new infrastructure to support non PCI based MSI interrupts
- a couple of new irq chip drivers
- the usual pile of fixlets and updates to irq chip drivers
- preparatory changes for removal of the irq argument from interrupt
flow handlers
- preparatory changes to remove IRQF_VALID"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (129 commits)
irqchip/imx-gpcv2: IMX GPCv2 driver for wakeup sources
irqchip: Add bcm2836 interrupt controller for Raspberry Pi 2
irqchip: Add documentation for the bcm2836 interrupt controller
irqchip/bcm2835: Add support for being used as a second level controller
irqchip/bcm2835: Refactor handle_IRQ() calls out of MAKE_HWIRQ
PCI: xilinx: Fix typo in function name
irqchip/gic: Ensure gic_cpu_if_up/down() programs correct GIC instance
irqchip/gic: Only allow the primary GIC to set the CPU map
PCI/MSI: pci-xgene-msi: Consolidate chained IRQ handler install/remove
unicore32/irq: Prepare puv3_gpio_handler for irq argument removal
tile/pci_gx: Prepare trio_handle_level_irq for irq argument removal
m68k/irq: Prepare irq handlers for irq argument removal
C6X/megamode-pic: Prepare megamod_irq_cascade for irq argument removal
blackfin: Prepare irq handlers for irq argument removal
arc/irq: Prepare idu_cascade_isr for irq argument removal
sparc/irq: Use access helper irq_data_get_affinity_mask()
sparc/irq: Use helper irq_data_get_irq_handler_data()
parisc/irq: Use access helper irq_data_get_affinity_mask()
mn10300/irq: Use access helper irq_data_get_affinity_mask()
irqchip/i8259: Prepare i8259_irq_dispatch for irq argument removal
...
Pull timer updates from Thomas Gleixner:
"Rather large, but nothing exiting:
- new range check for settimeofday() to prevent that boot time
becomes negative.
- fix for file time rounding
- a few simplifications of the hrtimer code
- fix for the proc/timerlist code so the output of clock realtime
timers is accurate
- more y2038 work
- tree wide conversion of clockevent drivers to the new callbacks"
* 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (88 commits)
hrtimer: Handle failure of tick_init_highres() gracefully
hrtimer: Unconfuse switch_hrtimer_base() a bit
hrtimer: Simplify get_target_base() by returning current base
hrtimer: Drop return code of hrtimer_switch_to_hres()
time: Introduce timespec64_to_jiffies()/jiffies_to_timespec64()
time: Introduce current_kernel_time64()
time: Introduce struct itimerspec64
time: Add the common weak version of update_persistent_clock()
time: Always make sure wall_to_monotonic isn't positive
time: Fix nanosecond file time rounding in timespec_trunc()
timer_list: Add the base offset so remaining nsecs are accurate for non monotonic timers
cris/time: Migrate to new 'set-state' interface
kernel: broadcast-hrtimer: Migrate to new 'set-state' interface
xtensa/time: Migrate to new 'set-state' interface
unicore/time: Migrate to new 'set-state' interface
um/time: Migrate to new 'set-state' interface
sparc/time: Migrate to new 'set-state' interface
sh/localtimer: Migrate to new 'set-state' interface
score/time: Migrate to new 'set-state' interface
s390/time: Migrate to new 'set-state' interface
...
Here's our branch of ARM64 contents for this merge window.
Most of this is DT contents for new SoCs (or those who have seen new
device support added). Maybe we should stop separating out the arm64
contents here to avoid the kind of internal conflicts as we got this
time around, where 32- and 64-bit contents conflicted.
Anyhow, on the actual contents:
New SoCs:
- Broadcom North Star 2 (ns2)
- Marvell Berlin4CT
- Mediatek MT6795
- Rockchip RK3368
In addition, there are enhancements for the following platforms:
- Mediatek MT8173: cpuidle-dt updates, misc other additions
- ZyncMP: A bunch of devices added to the existing DTSI
- Qualcomm MSM8916 and APQ8016 updates for USB, etc.
+ A handful of other updates for various platforms
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Merge tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC 64-bit changes from Olof Johansson:
"Here's our branch of ARM64 contents for this merge window.
Most of this is DT contents for new SoCs (or those who have seen new
device support added). Maybe we should stop separating out the arm64
contents here to avoid the kind of internal conflicts as we got this
time around, where 32- and 64-bit contents conflicted.
Anyhow, on the actual contents:
New SoCs:
- Broadcom North Star 2 (ns2)
- Marvell Berlin4CT
- Mediatek MT6795
- Rockchip RK3368
In addition, there are enhancements for the following platforms:
- Mediatek MT8173: cpuidle-dt updates, misc other additions
- ZyncMP: A bunch of devices added to the existing DTSI
- Qualcomm MSM8916 and APQ8016 updates for USB, etc.
+ a handful of other updates for various platforms"
* tag 'armsoc-arm64' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (47 commits)
ARM64: dts: vexpress: Use assigned-clock-parents for sp810
ARM64: dts: mt6795: enable basic SMP bringup for MT6795
arm64: Enable Marvell Berlin SoC family in defconfig
arm64: Enable Marvell Berlin SoC family in Kconfig
arm64: dts: Add dts files for Marvell Berlin4CT SoC
ARM64: zynqmp: Move SPI nodes to the right location
ARM64: zynqmp: Move uart and ttcs to the right location
ARM64: zynqmp: Enable spi flashes on ep108
ARM64: zynqmp: Add eeprom memories on i2c bus
ARM64: zynqmp: Enable sdhci on ep108
ARM64: zynqmp: Enable watchdog on ep108
ARM64: zynqmp: Add DWC3 usb support
ARM64: zynqmp: Add SMMU support
ARM64: zynqmp: Add CANs node for platform
ARM64: zynqmp: Use zynqmp specific compatible string for gpio
devicetree: xilinx: zynqmp: add sata node
PCI: iproc: Fix BCMA dependency in Kconfig
arm64: dts: Add Broadcom North Star 2 support
arm64: Add Broadcom iProc family support
PCI: iproc: Fix ARM64 dependency in Kconfig
...
We mostly keep defconfigs updates on a separate branch due to their tendency
to conflict between platforms and this encourages more careful separation of
code changes and config changes.
Most updates here are minor tweaks, enabling new drivers for various platforms,
and so on. Renesas also removed one defconfig (marzen_defconfig).
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC defconfig updates from Olof Johansson:
"We mostly keep defconfigs updates on a separate branch due to their
tendency to conflict between platforms and this encourages more
careful separation of code changes and config changes.
Most updates here are minor tweaks, enabling new drivers for various
platforms, and so on. Renesas also removed one defconfig
(marzen_defconfig)"
* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (44 commits)
ARM: add TC2 PM support to multi_v7_defconfig
ARM: tegra: Update multi_v7_defconfig
ARM: tegra: Update default configuration
ARM: at91/defconfig: at91_dt: remove ARM_AT91_ETHER
ARM: at91/defconfig: at91_dt: enable DRM hlcdc support
ARM: at91: at91_dt_defconfig: enable ISI and ov2640 support
ARM: multi_v7_defconfig: Enable Allwinner P2WI, PWM, DMA_SUN6I, cryptodev
ARM: sunxi_defconfig: Enable DMA_SUN6I, P2WI, PWM, cryptodev, EXTCON, FHANDLE
ARM: shmobile: Enable fixed voltage regulator in shmobile_defconfig
ARM: multi_v7_defconfig: Select MX6UL and MX7D
ARM: prima2_defconfig: enable build for hwspinlock
ARM: prima2_defconfig: enable build for RTC
ARM: prima2_defconfig: enable build for misc input
ARM: prima2_defconfig: enable build for SiRFSoC SDHC host
ARM: prima2_defconfig: fix the outdated defconfig
ARM: imx_v6_v7_defconfig: Select CONFIG_IKCONFIG_PROC
ARM: defconfig: orion5x: add DT support
ARM: qcom_defconfig: Enable options for KS8851 ethernet
ARM: multi_v7_defconfig: Enable support for PWM Regulators
ARM: multi_v7_defconfig: Enable ST's PWM driver
...
This is the usual large batch of DT updates. Lots and lots of smaller
changes, some of the larger ones to point out are:
- Rockchip veyron (Chromebook) support, as well as several other new boards
- DRM support on Atmel AT91SAM9N12EK
- USB additions on some Allwinner platforms
- Mediatek MT6580 support
- Freescale i.MX6UL support
- Cleanups for Renesas shmobile platforms
- Lots of added devices on LPC18xx
- Lots of added devices and boards on UniPhier
There's also some dependent code added here, in particular some branches
that are primarily merged through the clock tree.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson:
"Ladies and gentlemen, we proudly announce to you the latest branch of
ARM device tree contents for the mainline kernel. Come and see, come
and see!
No less than twentythree thousand lines of additions! Just imagine the
joy you will have of using your mainline kernel on newly supported
hardware such as Rockchip Chromebooks, Freescale i.MX6UL boards or
UniPhier hardware!
For those of you feeling less adventurous, added hardware support on
platforms such as TI DM814x and Gumstix Overo platforms might be more
of your liking.
We've got something for everyone here!
Ahem. Cough. So, anyway...
This is the usual large batch of DT updates. Lots and lots of smaller
changes, some of the larger ones to point out are:
- Rockchip veyron (Chromebook) support, as well as several other new boards
- DRM support on Atmel AT91SAM9N12EK
- USB additions on some Allwinner platforms
- Mediatek MT6580 support
- Freescale i.MX6UL support
- cleanups for Renesas shmobile platforms
- lots of added devices on LPC18xx
- lots of added devices and boards on UniPhier
There's also some dependent code added here, in particular some
branches that are primarily merged through the clock tree"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (389 commits)
ARM: tegra: Add gpio-ranges property
ARM: tegra: Fix AHB base address on Tegra20, Tegra30 and Tegra114
ARM: tegra: Add Tegra124 PMU support
ARM: tegra: jetson-tk1: Add GK20A GPU DT node
ARM: tegra: venice2: Add GK20A GPU DT node
ARM: tegra: Add IOMMU node to GK20A
ARM: tegra: Add CPU regulator to the Jetson TK1 device tree
ARM: tegra: Add entries for cpufreq on Tegra124
ARM: tegra: Enable the DFLL on the Jetson TK1
ARM: tegra: Add the DFLL to Tegra124 device tree
ARM: dts: zynq: Add devicetree entry for Xilinx Zynq reset controller.
ARM: dts: UniPhier: fix PPI interrupt CPU mask of timer nodes
ARM: dts: rockchip: correct regulator power states for suspend
ARM: dts: rockchip: correct regulator PM properties
ARM: dts: vexpress: Use assigned-clock-parents for sp810
pinctrl: tegra: Only set the gpio range if needed
arm: boot: dts: am4372: add ARM timers and SCU nodes
ARM: dts: AM4372: Add the am4372-rtc compatible string
ARM: shmobile: r8a7794 dtsi: Add CPG/MSTP Clock Domain
ARM: shmobile: r8a7793 dtsi: Add CPG/MSTP Clock Domain
...
Some releases this branch is nearly empty, others we have more stuff. It
tends to gather drivers that need SoC modification or dependencies such
that they have to (also) go in through our tree.
For this release, we have merged in part of the reset controller tree
(with handshake that the parts we have merged in will remain stable),
as well as dependencies on a few clock branches.
In general, new items here are:
- Qualcomm driver for SMM/SMD, which is how they communicate with the
coprocessors on (some) of their platforms
- Memory controller work for ARM's PL172 memory controller
- Reset drivers for various platforms
- PMU power domain support for Marvell platforms
- Tegra support for T132/T210 SoCs: PMC, fuse, memory controller per-SoC support
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Some releases this branch is nearly empty, others we have more stuff.
It tends to gather drivers that need SoC modification or dependencies
such that they have to (also) go in through our tree.
For this release, we have merged in part of the reset controller tree
(with handshake that the parts we have merged in will remain stable),
as well as dependencies on a few clock branches.
In general, new items here are:
- Qualcomm driver for SMM/SMD, which is how they communicate with the
coprocessors on (some) of their platforms
- memory controller work for ARM's PL172 memory controller
- reset drivers for various platforms
- PMU power domain support for Marvell platforms
- Tegra support for T132/T210 SoCs: PMC, fuse, memory controller
per-SoC support"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (49 commits)
ARM: tegra: cpuidle: implement cpuidle_state.enter_freeze()
ARM: tegra: Disable cpuidle if PSCI is available
soc/tegra: pmc: Use existing pclk reference
soc/tegra: pmc: Remove unnecessary return statement
soc: tegra: Remove redundant $(CONFIG_ARCH_TEGRA) in Makefile
memory: tegra: Add Tegra210 support
memory: tegra: Add support for a variable-size client ID bitfield
clk: shmobile: rz: Add CPG/MSTP Clock Domain support
clk: shmobile: rcar-gen2: Add CPG/MSTP Clock Domain support
clk: shmobile: r8a7779: Add CPG/MSTP Clock Domain support
clk: shmobile: r8a7778: Add CPG/MSTP Clock Domain support
clk: shmobile: Add CPG/MSTP Clock Domain support
ARM: dove: create a proper PMU driver for power domains, PMU IRQs and resets
reset: reset-zynq: Adding support for Xilinx Zynq reset controller.
docs: dts: Added documentation for Xilinx Zynq Reset Controller bindings.
MIPS: ath79: Add the reset controller to the AR9132 dtsi
reset: Add a driver for the reset controller on the AR71XX/AR9XXX
devicetree: Add bindings for the ATH79 reset controller
reset: socfpga: Update reset-socfpga to read the altr,modrst-offset property
doc: dt: add documentation for lpc1850-rgu reset driver
...
New or improved SoC support:
- Addition of support for Atmel's SAMA5D2 SoC
- Addition of Freescale i.MX6UL
- Improved support of TI's DM814x platform
- Misc fixes and improvements for RockChip platforms
- Marvell MVEBU suspend/resume support
A few driver changes that ideally would belong in the drivers branch are
also here (acked by appropriate maintainers):
- Power key input driver for Freescale platforms (svns)
- RTC driver updates for Freescale platforms (svns/mxc)
- Clk fixes for TI DM814/816X
+ a bunch of other changes for various platforms
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"New or improved SoC support:
- add support for Atmel's SAMA5D2 SoC
- add support for Freescale i.MX6UL
- improved support for TI's DM814x platform
- misc fixes and improvements for RockChip platforms
- Marvell MVEBU suspend/resume support
A few driver changes that ideally would belong in the drivers branch
are also here (acked by appropriate maintainers):
- power key input driver for Freescale platforms (svns)
- RTC driver updates for Freescale platforms (svns/mxc)
- clk fixes for TI DM814/816X
+ a bunch of other changes for various platforms"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (83 commits)
ARM: rockchip: pm: Fix PTR_ERR() argument
ARM: imx: mach-imx6ul: Fix allmodconfig build
clk: ti: fix for definition movement
ARM: uniphier: drop v7_invalidate_l1 call at secondary entry
memory: kill off set_irq_flags usage
rtc: snvs: select option REGMAP_MMIO
ARM: brcmstb: select ARCH_DMA_ADDR_T_64BIT for LPAE
ARM: BCM: Enable ARM erratum 798181 for BRCMSTB
ARM: OMAP2+: Fix power domain operations regression caused by 81xx
ARM: rockchip: enable PMU_GPIOINT_WAKEUP_EN when entering shallow suspend
ARM: rockchip: set correct stabilization thresholds in suspend
ARM: rockchip: rename osc_switch_to_32k variable
ARM: imx6ul: add fec MAC refrence clock and phy fixup init
ARM: imx6ul: add fec bits to GPR syscon definition
rtc: mxc: add support of device tree
dt-binding: document the binding for mxc rtc
rtc: mxc: use a second rtc clock
ARM: davinci: cp_intc: use IRQCHIP_SKIP_SET_WAKE instead of irq_set_wake callback
soc: mediatek: Fix SCPSYS compilation
ARM: at91/soc: add basic support for new sama5d2 SoC
...
A large cleanup branch this release, with a healthy 10k negative line delta.
Most of this is removal of legacy (non-DT) support of shmobile
platforms. There is also removal of two non-DT platforms on OMAP,
and the plat-samsung directory is cleaned out by moving most of the
previously shared-location-but-not-actually-shared files from there to
the appropriate mach directories instead.
There are other sets of changes in here as well:
- Rob Herring removed use of set_irq_flags under all platforms and
moved to genirq alternatives
- A series of timer API conversions to set-state interface
- ep93xx, nomadik and ux500 cleanups from Linus Walleij
- __init annotation fixes from Nicolas Pitre
+ a bunch of other changes that all add up to a nice set of cleanups
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Merge tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC cleanups from Olof Johansson:
"A large cleanup branch this release, with a healthy 10k negative line
delta.
Most of this is removal of legacy (non-DT) support of shmobile
platforms. There is also removal of two non-DT platforms on OMAP, and
the plat-samsung directory is cleaned out by moving most of the
previously shared-location-but-not-actually-shared files from there to
the appropriate mach directories instead.
There are other sets of changes in here as well:
- Rob Herring removed use of set_irq_flags under all platforms and
moved to genirq alternatives
- a series of timer API conversions to set-state interface
- ep93xx, nomadik and ux500 cleanups from Linus Walleij
- __init annotation fixes from Nicolas Pitre
+ a bunch of other changes that all add up to a nice set of cleanups"
* tag 'armsoc-cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (108 commits)
ARM/fb: ep93xx: switch framebuffer to use modedb only
ARM: gemini: Setup timer3 as free running timer
ARM: gemini: Use timer1 for clockevent
ARM: gemini: Add missing register definitions for gemini timer
ARM: ep93xx/timer: Migrate to new 'set-state' interface
ARM: nomadik: push accelerometer down to boards
ARM: nomadik: move l2x0 setup to device tree
ARM: nomadik: selectively enable UART0 on boards
ARM: nomadik: move hog code to use DT hogs
ARM: shmobile: Fix mismerges
ARM: ux500: simplify secondary CPU boot
ARM: SAMSUNG: remove keypad-core header in plat-samsung
ARM: SAMSUNG: local watchdog-reset header in mach-s3c64xx
ARM: SAMSUNG: local onenand-core header in mach-s3c64xx
ARM: SAMSUNG: local irq-uart header in mach-s3c64xx
ARM: SAMSUNG: local backlight header in mach-s3c64xx
ARM: SAMSUNG: local ata-core header in mach-s3c64xx
ARM: SAMSUNG: local regs-usb-hsotg-phy header in mach-s3c64xx
ARM: SAMSUNG: local spi-core header in mach-s3c24xx
ARM: SAMSUNG: local nand-core header in mach-s3c24xx
...
We normally collect non-urgent fixes during the release cycle and queue
them for the merge window.
This time around the list is short (in part because some have gone in other
branches).
- Maintainers addition for bcm2835
- IRQ number fix for orion5x (been present since 3.18)
- DT fix for display on exynos3250
- Exynos fix to use of IOMEM_ERR_PTR properly
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Merge tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC non-urgent fixes from Olof Johansson:
"We normally collect non-urgent fixes during the release cycle and
queue them for the merge window.
This time around the list is short (in part because some have gone in
other branches).
- Maintainers addition for bcm2835
- IRQ number fix for orion5x (been present since 3.18)
- DT fix for display on exynos3250
- Exynos fix to use of IOMEM_ERR_PTR properly"
* tag 'armsoc-fixes-nc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: orion5x: fix legacy orion5x IRQ numbers
MAINTAINERS: Explicitly add linux-arm-kernel for bcm2835
MAINTAINERS: Add myself as a bcm2835 co-maintainer.
ARM: EXYNOS: Use IOMEM_ERR_PTR when function returns iomem
ARM: dts: fix clock-frequency of display timing0 for exynos3250-rinato
-perf support for ARCv2 based cores (sampling interrupt, SMP)
-leftovers for ARCv2 support
-Futex fixes
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Merge tag 'arc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC architecture updates from Vineet Gupta:
"ARC updates for 4.3:
- perf support for ARCv2 based cores (sampling interrupt, SMP)
- leftovers for ARCv2 support
- futex fixes"
* tag 'arc-4.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: entry: Fix reserved handler
ARCv2: perf: Finally introduce HS perf unit
ARCv2: perf: SMP support
ARCv2: perf: implement exclusion of event counting in user or kernel mode
ARCv2: perf: Support sampling events using overflow interrupts
ARCv2: perf: implement "event_set_period"
ARC: perf: cap the number of counters to hardware max of 32
ARC: Eliminate some ARCv2 specific code for ARCompact build
ARC: add/fix some comments in code - no functional change
ARC: change some branchs to jumps to resolve linkage errors
ARC: ensure futex ops are atomic in !LLSC config
ARC: Enable HAVE_FUTEX_CMPXCHG
ARC: make futex_atomic_cmpxchg_inatomic() return bimodal
ARC: futex cosmetics
ARC: add barriers to futex code
ARCv2: IOC: Allow boot time disable
ARCv2: SLC: Allow boot time disable
ARCv2: Support IO Coherency and permutations involving L1 and L2 caches
ARC: Enable optimistic spinning for LLSC config
MAINTAINERS: add git tree for the arc architecture
Pull x86 core platform updates from Ingo Molnar:
"The main changes are:
- Intel Atom platform updates. (Andy Shevchenko)
- modularity fixlets. (Paul Gortmaker)
- x86 platform clockevents driver updates for lguest, uv and Xen.
(Viresh Kumar)
- Microsoft Hyper-V TSC fixlet. (Vitaly Kuznetsov)"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/platform: Make atom/pmc_atom.c explicitly non-modular
x86/hyperv: Mark the Hyper-V TSC as unstable
x86/xen/time: Migrate to new set-state interface
x86/uv/time: Migrate to new set-state interface
x86/lguest/timer: Migrate to new set-state interface
x86/pci/intel_mid_pci: Use proper constants for irq polarity
x86/pci/intel_mid_pci: Make intel_mid_pci_ops static
x86/pci/intel_mid_pci: Propagate actual return code
x86/pci/intel_mid_pci: Work around for IRQ0 assignment
x86/platform/iosf_mbi: Add Intel Tangier PCI id
x86/platform/iosf_mbi: Source cleanup
x86/platform/iosf_mbi: Remove NULL pointer checks for pci_dev_put()
x86/platform/iosf_mbi: Check return value of debugfs_create properly
x86/platform/iosf_mbi: Move to dedicated folder
x86/platform/intel/pmc_atom: Move the PMC-Atom code to arch/x86/platform/atom
x86/platform/intel/pmc_atom: Add Cherrytrail PMC interface
x86/platform/intel/pmc_atom: Supply register mappings via PMC object
x86/platform/intel/pmc_atom: Print index of device in loop
x86/platform/intel/pmc_atom: Export accessors to PMC registers
Pull x86 mm updates from Ingo Molnar:
"The dominant change in this cycle was the continued work to isolate
kernel drivers from MTRR legacies: this tree gets rid of all kernel
internal driver interfaces to MTRRs (mostly by rewriting it to proper
PAT interfaces), the only access left is the /proc/mtrr ABI.
This work was done by Luis R Rodriguez.
There's also some related PCI interface additions for which I've
Cc:-ed Bjorn"
* 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
x86/mm/mtrr: Remove kernel internal MTRR interfaces: unexport mtrr_add() and mtrr_del()
s390/io: Add pci_iomap_wc() and pci_iomap_wc_range()
drivers/dma/iop-adma: Use dma_alloc_writecombine() kernel-style
drivers/video/fbdev/vt8623fb: Use arch_phys_wc_add() and pci_iomap_wc()
drivers/video/fbdev/s3fb: Use arch_phys_wc_add() and pci_iomap_wc()
drivers/video/fbdev/arkfb.c: Use arch_phys_wc_add() and pci_iomap_wc()
PCI: Add pci_iomap_wc() variants
drivers/video/fbdev/gxt4500: Use pci_ioremap_wc_bar() to map framebuffer
drivers/video/fbdev/kyrofb: Use arch_phys_wc_add() and pci_ioremap_wc_bar()
drivers/video/fbdev/i740fb: Use arch_phys_wc_add() and pci_ioremap_wc_bar()
PCI: Add pci_ioremap_wc_bar()
x86/mm: Make kernel/check.c explicitly non-modular
x86/mm/pat: Make mm/pageattr[-test].c explicitly non-modular
x86/mm/pat: Add comments to cachemode translation tables
arch/*/io.h: Add ioremap_uc() to all architectures
drivers/video/fbdev/atyfb: Use arch_phys_wc_add() and ioremap_wc()
drivers/video/fbdev/atyfb: Replace MTRR UC hole with strong UC
drivers/video/fbdev/atyfb: Clarify ioremap() base and length used
drivers/video/fbdev/atyfb: Carve out framebuffer length fudging into a helper
x86/mm, asm-generic: Add IOMMU ioremap_uc() variant default
...
Pull x86 irq fixlet from Ingo Molnar:
"A single change that hides the 'HYP:' line in /proc/interrupts when
it's unused"
* 'x86-irq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/irq: Hide 'HYP:' line in /proc/interrupts when not on Xen/Hyper-V
Pull x86 cpu updates from Ingo Molnar:
"Two changes: a suspend/resume quirk and a new CPUID bit definition"
* 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpufeature: Add feature bit for Intel's Silicon Debug CPUID bit
x86/cpu: Restore MSR_IA32_ENERGY_PERF_BIAS after resume
Pull x86 init code fixlet from Ingo Molnar:
"A single change: fix obsolete init code annotations"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Drop bogus __ref / __refdata annotations
Pull x86 build fixlet from Ingo Molnar:
"A single change propagating CONFIG_JUMP_LABEL into the x86 defconfigs"
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kconfig: Enable CONFIG_JUMP_LABEL in the defconfigs
Pull x86 boot updates from Ingo Molnar:
"The main x86 bootup related changes in this cycle were:
- more boot time optimizations. (Len Brown)
- implement hex output to allow the debugging of early bootup
parameters. (Kees Cook)
- remove obsolete MCA leftovers. (Paolo Pisati)"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/smpboot: Remove APIC.wait_for_init_deassert and atomic init_deasserted
x86/smpboot: Remove SIPI delays from cpu_up()
x86/smpboot: Remove udelay(100) when polling cpu_callin_map
x86/smpboot: Remove udelay(100) when polling cpu_initialized_map
x86/boot: Obsolete the MCA sys_desc_table
x86/boot: Add hex output for debugging
Pull x86 asm changes from Ingo Molnar:
"The biggest changes in this cycle were:
- Revamp, simplify (and in some cases fix) Time Stamp Counter (TSC)
primitives. (Andy Lutomirski)
- Add new, comprehensible entry and exit handlers written in C.
(Andy Lutomirski)
- vm86 mode cleanups and fixes. (Brian Gerst)
- 32-bit compat code cleanups. (Brian Gerst)
The amount of simplification in low level assembly code is already
palpable:
arch/x86/entry/entry_32.S | 130 +----
arch/x86/entry/entry_64.S | 197 ++-----
but more simplifications are planned.
There's also the usual laudry mix of low level changes - see the
changelog for details"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (83 commits)
x86/asm: Drop repeated macro of X86_EFLAGS_AC definition
x86/asm/msr: Make wrmsrl() a function
x86/asm/delay: Introduce an MWAITX-based delay with a configurable timer
x86/asm: Add MONITORX/MWAITX instruction support
x86/traps: Weaken context tracking entry assertions
x86/asm/tsc: Add rdtscll() merge helper
selftests/x86: Add syscall_nt selftest
selftests/x86: Disable sigreturn_64
x86/vdso: Emit a GNU hash
x86/entry: Remove do_notify_resume(), syscall_trace_leave(), and their TIF masks
x86/entry/32: Migrate to C exit path
x86/entry/32: Remove 32-bit syscall audit optimizations
x86/vm86: Rename vm86->v86flags and v86mask
x86/vm86: Rename vm86->vm86_info to user_vm86
x86/vm86: Clean up vm86.h includes
x86/vm86: Move the vm86 IRQ definitions to vm86.h
x86/vm86: Use the normal pt_regs area for vm86
x86/vm86: Eliminate 'struct kernel_vm86_struct'
x86/vm86: Move fields from 'struct kernel_vm86_struct' to 'struct vm86'
x86/vm86: Move vm86 fields out of 'thread_struct'
...
Pull NOHZ updates from Ingo Molnar:
"The main changes, mostly written by Frederic Weisbecker, include:
- Fix some jiffies based cputime assumptions. (No real harm because
the concerned code isn't used by full dynticks.)
- Simplify jiffies <-> usecs conversions. Remove dead code.
- Remove early hacks on nohz full code that avoided messing up idle
nohz internals. Now nohz integrates well full and idle and such
hack have become needless.
- Restart nohz full tick from irq exit. (A simplification and a
preparation for future optimization on scheduler kick to nohz
full)
- Code cleanups.
- Tile driver isolation enhancement on top of nohz. (Chris Metcalf)"
* 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
nohz: Remove useless argument on tick_nohz_task_switch()
nohz: Move tick_nohz_restart_sched_tick() above its users
nohz: Restart nohz full tick from irq exit
nohz: Remove idle task special case
nohz: Prevent tilegx network driver interrupts
alpha: Fix jiffies based cputime assumption
apm32: Fix cputime == jiffies assumption
jiffies: Remove HZ > USEC_PER_SEC special case
Pull scheduler fix from Ingo Molnar:
"This is a leftover scheduler fix from the v4.2 cycle"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix cpu_active_mask/cpu_online_mask race
Pull scheduler updates from Ingo Molnar:
"The biggest change in this cycle is the rewrite of the main SMP load
balancing metric: the CPU load/utilization. The main goal was to make
the metric more precise and more representative - see the changelog of
this commit for the gory details:
9d89c257df ("sched/fair: Rewrite runnable load and utilization average tracking")
It is done in a way that significantly reduces complexity of the code:
5 files changed, 249 insertions(+), 494 deletions(-)
and the performance testing results are encouraging. Nevertheless we
need to keep an eye on potential regressions, since this potentially
affects every SMP workload in existence.
This work comes from Yuyang Du.
Other changes:
- SCHED_DL updates. (Andrea Parri)
- Simplify architecture callbacks by removing finish_arch_switch().
(Peter Zijlstra et al)
- cputime accounting: guarantee stime + utime == rtime. (Peter
Zijlstra)
- optimize idle CPU wakeups some more - inspired by Facebook server
loads. (Mike Galbraith)
- stop_machine fixes and updates. (Oleg Nesterov)
- Introduce the 'trace_sched_waking' tracepoint. (Peter Zijlstra)
- sched/numa tweaks. (Srikar Dronamraju)
- misc fixes and small cleanups"
* 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (44 commits)
sched/deadline: Fix comment in enqueue_task_dl()
sched/deadline: Fix comment in push_dl_tasks()
sched: Change the sched_class::set_cpus_allowed() calling context
sched: Make sched_class::set_cpus_allowed() unconditional
sched: Fix a race between __kthread_bind() and sched_setaffinity()
sched: Ensure a task has a non-normalized vruntime when returning back to CFS
sched/numa: Fix NUMA_DIRECT topology identification
tile: Reorganize _switch_to()
sched, sparc32: Update scheduler comments in copy_thread()
sched: Remove finish_arch_switch()
sched, tile: Remove finish_arch_switch
sched, sh: Fold finish_arch_switch() into switch_to()
sched, score: Remove finish_arch_switch()
sched, avr32: Remove finish_arch_switch()
sched, MIPS: Get rid of finish_arch_switch()
sched, arm: Remove finish_arch_switch()
sched/fair: Clean up load average references
sched/fair: Provide runnable_load_avg back to cfs_rq
sched/fair: Remove task and group entity load when they are dead
sched/fair: Init cfs_rq's sched_entity load average
...
Pull RAS updates from Ingo Molnar:
"MCE handling updates, but also some generic drivers/edac/ changes to
better organize the Kconfig space"
* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ras: Move AMD MCE injector to arch/x86/ras/
x86/mce: Add a wrapper around mce_log() for injection
x86/mce: Rename rcu_dereference_check_mce() to mce_log_get_idx_check()
RAS: Add a menuconfig option with descriptive text
x86/mce: Reenable CMCI banks when swiching back to interrupt mode
x86/mce: Clear Local MCE opt-in before kexec
x86/mce: Remove unused function declarations
x86/mce: Kill drain_mcelog_buffer()
x86/mce: Avoid potential deadlock due to printk() in MCE context
x86/mce: Remove the MCE ring for Action Optional errors
x86/mce: Don't use percpu workqueues
x86/mce: Provide a lockless memory pool to save error records
x86/mce: Reuse one of the u16 padding fields in 'struct mce'
Pull perf updates from Ingo Molnar:
"Main perf kernel side changes:
- uprobes updates/fixes. (Oleg Nesterov)
- Add PERF_RECORD_SWITCH to indicate context switches and use it in
tooling. (Adrian Hunter)
- Support BPF programs attached to uprobes and first steps for BPF
tooling support. (Wang Nan)
- x86 generic x86 MSR-to-perf PMU driver. (Andy Lutomirski)
- x86 Intel PT, LBR and BTS updates. (Alexander Shishkin)
- x86 Intel Skylake support. (Andi Kleen)
- x86 Intel Knights Landing (KNL) RAPL support. (Dasaratharaman
Chandramouli)
- x86 Intel Broadwell-DE uncore support. (Kan Liang)
- x86 hw breakpoints robustization (Andy Lutomirski)
Main perf tooling side changes:
- Support Intel PT in several tools, enabling the use of the
processor trace feature introduced in Intel Broadwell processors:
(Adrian Hunter)
# dmesg | grep Performance
# [0.188477] Performance Events: PEBS fmt2+, 16-deep LBR, Broadwell events, full-width counters, Intel PMU driver.
# perf record -e intel_pt//u -a sleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.216 MB perf.data ]
# perf script # then navigate in the tool output to some area, like this one:
184 1030 dl_main (/usr/lib64/ld-2.17.so) => 7f21ba661440 dl_main (/usr/lib64/ld-2.17.so)
185 1457 dl_main (/usr/lib64/ld-2.17.so) => 7f21ba669f10 _dl_new_object (/usr/lib64/ld-2.17.so)
186 9f37 _dl_new_object (/usr/lib64/ld-2.17.so) => 7f21ba677b90 strlen (/usr/lib64/ld-2.17.so)
187 7ba3 strlen (/usr/lib64/ld-2.17.so) => 7f21ba677c75 strlen (/usr/lib64/ld-2.17.so)
188 7c78 strlen (/usr/lib64/ld-2.17.so) => 7f21ba669f3c _dl_new_object (/usr/lib64/ld-2.17.so)
189 9f8a _dl_new_object (/usr/lib64/ld-2.17.so) => 7f21ba65fab0 calloc@plt (/usr/lib64/ld-2.17.so)
190 fab0 calloc@plt (/usr/lib64/ld-2.17.so) => 7f21ba675e70 calloc (/usr/lib64/ld-2.17.so)
191 5e87 calloc (/usr/lib64/ld-2.17.so) => 7f21ba65fa90 malloc@plt (/usr/lib64/ld-2.17.so)
192 fa90 malloc@plt (/usr/lib64/ld-2.17.so) => 7f21ba675e60 malloc (/usr/lib64/ld-2.17.so)
193 5e68 malloc (/usr/lib64/ld-2.17.so) => 7f21ba65fa80 __libc_memalign@plt (/usr/lib64/ld-2.17.so)
194 fa80 __libc_memalign@plt (/usr/lib64/ld-2.17.so) => 7f21ba675d50 __libc_memalign (/usr/lib64/ld-2.17.so)
195 5d63 __libc_memalign (/usr/lib64/ld-2.17.so) => 7f21ba675e20 __libc_memalign (/usr/lib64/ld-2.17.so)
196 5e40 __libc_memalign (/usr/lib64/ld-2.17.so) => 7f21ba675d73 __libc_memalign (/usr/lib64/ld-2.17.so)
197 5d97 __libc_memalign (/usr/lib64/ld-2.17.so) => 7f21ba675e18 __libc_memalign (/usr/lib64/ld-2.17.so)
198 5e1e __libc_memalign (/usr/lib64/ld-2.17.so) => 7f21ba675df9 __libc_memalign (/usr/lib64/ld-2.17.so)
199 5e10 __libc_memalign (/usr/lib64/ld-2.17.so) => 7f21ba669f8f _dl_new_object (/usr/lib64/ld-2.17.so)
200 9fc2 _dl_new_object (/usr/lib64/ld-2.17.so) => 7f21ba678e70 memcpy (/usr/lib64/ld-2.17.so)
201 8e8c memcpy (/usr/lib64/ld-2.17.so) => 7f21ba678ea0 memcpy (/usr/lib64/ld-2.17.so)
- Add support for using several Intel PT features (CYC, MTC packets),
the relevant documentation was updated in:
tools/perf/Documentation/intel-pt.txt
briefly describing those packets, its purposes, how to configure
them in the event config terms and relevant external documentation
for further reading. (Adrian Hunter)
- Introduce support for probing at an absolute address, for user and
kernel 'perf probe's, useful when one have the symbol maps on a
developer machine but not on an embedded system. (Wang Nan)
- Add Intel BTS support, with a call-graph script to show it and PT
in use in a GUI using 'perf script' python scripting with
postgresql and Qt. (Adrian Hunter)
- Allow selecting the type of callchains per event, including
disabling callchains in all but one entry in an event list, to save
space, and also to ask for the callchains collected in one event to
be used in other events. (Kan Liang)
- Beautify more syscall arguments in 'perf trace': (Arnaldo Carvalho
de Melo)
* A bunch more translate file/pathnames from pointers to strings.
* Convert numbers to strings for the 'keyctl' syscall 'option'
arg.
* Add missing 'clockid' entries.
- Introduce 'srcfile' sort key: (Andi Kleen)
# perf record -F 10000 usleep 1
# perf report --stdio --dsos '[kernel.vmlinux]' -s srcfile
<SNIP>
# Overhead Source File
26.49% copy_page_64.S
5.49% signal.c
0.51% msr.h
#
It can be combined with other fields, for instance, experiment with
'-s srcfile,symbol'.
There are some oddities in some distros and with some specific
DSOs, being investigated, so your mileage may vary.
- Support per-event 'freq' term: (Namhyung Kim)
$ perf record -e 'cpu/instructions,freq=1234/',cycles -c 1000 sleep 1
$ perf evlist -F
cpu/instructions,freq=1234/: sample_freq=1234
cycles: sample_period=1000
$
- Deref sys_enter pointer args with contents from probe:vfs_getname,
showing pathnames instead of pointers in many syscalls in 'perf
trace'. (Arnaldo Carvalho de Melo)
- Stop collecting /proc/kallsyms in perf.data files, saving about
4.5MB on a typical x86-64 system, use the the symbol resolution
routines used in all the other tools (report, top, etc) now that we
can ask libtraceevent to use perf's symbol resolution code.
(Arnaldo Carvalho de Melo)
- Allow filtering out of perf's PID via 'perf record --exclude-perf'.
(Wang Nan)
- 'perf trace' now supports syscall groups, like strace, i.e:
$ trace -e file touch file
Will expand 'file' into multiple, file related, syscalls. More
work needed to add extra groups for other syscall groups, and also
to complement what was added for the 'file' group, included as a
proof of concept. (Arnaldo Carvalho de Melo)
- Add lock_pi stresser to 'perf bench futex', to test the kernel code
related to FUTEX_(UN)LOCK_PI. (Davidlohr Bueso)
- Let user have timestamps with per-thread recording in 'perf record'
(Adrian Hunter)
- ... and tons of other changes, see the shortlog and the Git log for
details"
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (240 commits)
perf evlist: Add backpointer for perf_env to evlist
perf tools: Rename perf_session_env to perf_env
perf tools: Do not change lib/api/fs/debugfs directly
perf tools: Add tracing_path and remove unneeded functions
perf buildid: Introduce sysfs/filename__sprintf_build_id
perf evsel: Add a backpointer to the evlist a evsel is in
perf trace: Add header with copyright and background info
perf scripts python: Add new compaction-times script
perf stat: Get correct cpu id for print_aggr
tools lib traceeveent: Allow for negative numbers in print format
perf script: Add --[no-]-demangle/--[no-]-demangle-kernel
tracing/uprobes: Do not print '0x (null)' when offset is 0
perf probe: Support probing at absolute address
perf probe: Fix error reported when offset without function
perf probe: Fix list result when address is zero
perf probe: Fix list result when symbol can't be found
tools build: Allow duplicate objects in the object list
perf tools: Remove export.h from MANIFEST
perf probe: Prevent segfault when reading probe point with absolute address
perf tools: Update Intel PT documentation
...
Pull x86/kasan changes from Ingo Molnar:
"These are two KASAN changes that factor out (and generalize) x86
specific KASAN code from x86 to mm"
* 'mm-kasan-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/kasan, mm: Introduce generic kasan_populate_zero_shadow()
x86/kasan: Define KASAN_SHADOW_OFFSET per architecture
Pull liblockdep fixes from Ingo Molnar:
"Three liblockdep fixes left over from the v4.2 cycle"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/liblockdep: Use the rbtree header provided by common tools headers
tools/liblockdep: Correct macro for WARN
tools: Restore export.h
Pull inlining tuning from Ingo Molnar:
"A handful of inlining optimizations inspired by x86 work but
applicable in general"
* 'core-types-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
jiffies: Force inlining of {m,u}msecs_to_jiffies()
x86/hweight: Force inlining of __arch_hweight{32,64}()
linux/bitmap: Force inlining of bitmap weight functions
Pull RCU updates from Ingo Molnar:
"The main RCU changes in this cycle are:
- the combination of tree geometry-initialization simplifications and
OS-jitter-reduction changes to expedited grace periods. These two
are stacked due to the large number of conflicts that would
otherwise result.
- privatize smp_mb__after_unlock_lock().
This commit moves the definition of smp_mb__after_unlock_lock() to
kernel/rcu/tree.h, in recognition of the fact that RCU is the only
thing using this, that nothing else is likely to use it, and that
it is likely to go away completely.
- documentation updates.
- torture-test updates.
- misc fixes"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits)
rcu,locking: Privatize smp_mb__after_unlock_lock()
rcu: Silence lockdep false positive for expedited grace periods
rcu: Don't disable CPU hotplug during OOM notifiers
scripts: Make checkpatch.pl warn on expedited RCU grace periods
rcu: Update MAINTAINERS entry
rcu: Clarify CONFIG_RCU_EQS_DEBUG help text
rcu: Fix backwards RCU_LOCKDEP_WARN() in synchronize_rcu_tasks()
rcu: Rename rcu_lockdep_assert() to RCU_LOCKDEP_WARN()
rcu: Make rcu_is_watching() really notrace
cpu: Wait for RCU grace periods concurrently
rcu: Create a synchronize_rcu_mult()
rcu: Fix obsolete priority-boosting comment
rcu: Use WRITE_ONCE in RCU_INIT_POINTER
rcu: Hide RCU_NOCB_CPU behind RCU_EXPERT
rcu: Add RCU-sched flavors of get-state and cond-sync
rcu: Add fastpath bypassing funnel locking
rcu: Rename RCU_GP_DONE_FQS to RCU_GP_DOING_FQS
rcu: Pull out wait_event*() condition into helper function
documentation: Describe new expedited stall warnings
rcu: Add stall warnings to synchronize_sched_expedited()
...
and the addition of new clock drivers. Stephen Boyd has also done a lot
of subsystem-wide driver clean-ups (thanks!). There are also fixes to
the framework core and changes to better split clock provider drivers
from clock consumer drivers.
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Merge tag 'clk-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Michael Turquette:
"The clk framework changes for 4.3 are mostly updates to existing
drivers and the addition of new clock drivers. Stephen Boyd has also
done a lot of subsystem-wide driver clean-ups (thanks!). There are
also fixes to the framework core and changes to better split clock
provider drivers from clock consumer drivers"
* tag 'clk-for-linus-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (227 commits)
clk: s5pv210: add missing call to samsung_clk_of_add_provider()
clk: pistachio: correct critical clock list
clk: pistachio: Fix PLL rate calculation in integer mode
clk: pistachio: Fix override of clk-pll settings from boot loader
clk: pistachio: Fix 32bit integer overflows
clk: tegra: Fix some static checker problems
clk: qcom: Fix MSM8916 prng clock enable bit
clk: Add missing header for 'bool' definition to clk-conf.h
drivers/clk: appropriate __init annotation for const data
clk: rockchip: register pll mux before pll itself
clk: add bindings for the Ux500 clocks
clk/ARM: move Ux500 PRCC bases to the device tree
clk: remove duplicated code with __clk_set_parent_after
clk: Convert __clk_get_name(hw->clk) to clk_hw_get_name(hw)
clk: Constify clk_hw argument to provider APIs
clk: Hi6220: add stub clock driver
dt-bindings: clk: Hi6220: Document stub clock driver
dt-bindings: arm: Hi6220: add doc for SRAM controller
clk: atlas7: fix pll missed divide NR in fraction mode
clk: atlas7: fix bit field and its root clk for coresight_tpiu
...
- optimizations and improvements to existing LED class drivers
- improvements to the common LEDs DT documentation
- modifications of kirkwood-* dts files, to be in sync with patches for
leds-ns2 driver, that move LEDs mode mapping outside of the driver
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Merge tag 'leds_for_4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED updates from Jacek Anaszewski:
"In this merge window we'd like to announce a change on the list of LED
subsystem maintainers - Bryan Wu decided to step back and handed over
the maintainership to me (Jacek Anaszewski), which entailed an update
of LED subsystem git tree URL.
Besides the changes in MAINTAINERS we have:
- optimizations and improvements to existing LED class drivers
- improvements to the common LEDs DT documentation
- modifications of kirkwood-* dts files, to be in sync with patches
for leds-ns2 driver, that move LEDs mode mapping outside of the
driver"
* tag 'leds_for_4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
leds: Export OF module alias information in missing drivers
leds:lp55xx: use the private data instead of updating I2C device platform data
leds: syscon: Correct check for syscon_node_to_regmap() errors
leds: leds-fsg: Use devm_led_classdev_register
MAINTAINERS: Change LED subsystem git tree URL
leds/led-class: Add missing put_device()
ARM: Kirkwood: add modes-map property to ns2-leds nodes
leds: tlc591xx: Remove redundant I2C_FUNC_SMBUS_BYTE_DATA functionality check
leds: leds-ns2: depends on MACH_ARMADA_370
leds: leds-ns2: handle can_sleep GPIOs
leds: leds-ns2: move LED modes mapping outside of the driver
leds: lp8860: Constify reg_default tables
leds: Drop owner assignment from i2c_driver
leds: Allow compile test of LEDS_AAT1290 and LEDS_KTD2692 if !GPIOLIB
leds: Allow compile test of GPIO consumers if !GPIOLIB
DT: leds: Improve description of flash LEDs related properties
A few core tweaks this time together with the usual collection of driver
specific updates and fixes plus a larger than average selection of new
device support:
- Fix DMA mapping of unaligned vmalloc() buffers.
- Statistics tracking transfer volumes exposed via sysfs.
- New drivers for Freescale MPC5125, Intel Sunrise Point, Mediatek SoCs,
and Netlogic XLP SoCs.
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Merge tag 'spi-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"A few core tweaks this time together with the usual collection of
driver specific updates and fixes plus a larger than average selection
of new device support:
- fix DMA mapping of unaligned vmalloc() buffers
- statistics tracking transfer volumes exposed via sysfs
- new drivers for Freescale MPC5125, Intel Sunrise Point, Mediatek
SoCs, and Netlogic XLP SoCs"
* tag 'spi-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (66 commits)
spi: sh-msiof: Fix FIFO size to 64 word from 256 word
spi: fsl-(e)spi: Fix checking return value of devm_ioremap_resource
spi: Add DT bindings documentation for Netlogic XLP SPI controller
spi/xlp: SPI controller driver for Netlogic XLP SoCs
spi: fsl-espi: add runtime PM
spi: fsl-(e)spi: simplify cleanup code
spi: fsl-(e)spi: migrate to using devm_ functions to simplify cleanup
spi: mediatek: fix SPI_CMD_PAUSE_IE macro error
spi: check bits_per_word in spi_setup
spi: mediatek: replace *_time name
spi: mediatek: add PM clk_prepare_enable fail flow
spi: mediatek: replace int with u32, delete TAB and define MTK_SPI_PAUSE_INT_STATUS marco
spi: mediatek: add linux/io.h include file
spi/bcm63xx-hsspi: add support for dual spi read/write
spi: dw: Allow interface drivers to limit data I/O to word sizes
dt: snps,dw-apb-ssi: Document new I/O data register width property
spi: Fall back to master maximum speed if no slave speed specified
spi: mediatek: use BIT() to instead of SPI_CMD_*_OFFSET
spi: medaitek: revise quirks compatibility style
spi: mediatek: fix spi incorrect endian usage
...
The biggest changes in the core this time around have been some
refactorings that move us towards being able to drop the list of
regulators maintained by the core and instead just use the driver model
list maintained for the class devices for regulators which will make the
code smaller and avoid some potential bugs. Otherwise another fairly
quiet release for the regulator API, highlights include:
- A new API for setting voltages based on a minimum, target, maximum
triplet.
- Support for continuous voltage ranges rather than tables of explicit
steps in the PWM regulator, requiring less explicit configuration.
- New driver support for Dialog DA9215, Maxim 77843, Mediatek MT6311
and Qualcomm RPM.
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Merge tag 'regulator-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator updates from Mark Brown:
"The biggest changes in the core this time around have been some
refactorings that move us towards being able to drop the list of
regulators maintained by the core and instead just use the driver
model list maintained for the class devices for regulators which will
make the code smaller and avoid some potential bugs.
Otherwise another fairly quiet release for the regulator API,
highlights include:
- a new API for setting voltages based on a minimum, target, maximum
triplet
- support for continuous voltage ranges rather than tables of
explicit steps in the PWM regulator, requiring less explicit
configuration
- new driver support for Dialog DA9215, Maxim 77843, Mediatek MT6311
and Qualcomm RPM"
* tag 'regulator-v4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (70 commits)
regulator: mt6311: fix platform_no_drv_owner.cocci warnings
regulator: ltc3589: Remove unnecessary MODULE_ALIAS()
regulator: ad5398: Remove unnecessary MODULE_ALIAS()
regulator: pfuze100: Remove unnecessary MODULE_ALIAS()
regulator: core: use debug level print in regulator_check_drms
regulator: lp872x: handle error case
regulator: lp872x: use the private data instead of updating I2C device platform data
regulator: isl9305: Export OF module alias information
regulators: max77693: register driver earlier to avoid deferred probe
regulator: qcom_smd: Set n_voltages for pm8941_lnldo
regulator: core: Use IS_ERR_OR_NULL()
regulator: core: Define regulator_set_voltage_triplet()
regulator: Regulator driver for the Qualcomm RPM
regulator: pbias: Fix broken pbias disable functionality
regulator: core: Spelling fix
regulator: core: Use class device list for regulator_list in late init
regulator: core: Move more deallocation into class unregister
regulator: core: Reduce rdev locking region when releasing regulator
Input: Remove the max77843 haptic driver
Input: max77693: Add support for Maxim 77843
...
including:
- Support for reproducible document builds, from Ben Hutchings and
company.
- The ability to automatically generate cross-reference links within a
single DocBook book and embedded descriptions for large structures.
From Danilo Cesar Lemes de Paula.
- A new document on how to add a system call from David Drysdale.
- Chameleon bus documentation from Johannes Thumshirn.
...plus the usual collection of improvements, typo fixes, and more.
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Merge tag 'docs-for-linus' of git://git.lwn.net/linux-2.6
Pull documentation updates from Jonathan Corbet:
"There's been a fair amount going on in the docs tree this time around,
including:
- Support for reproducible document builds, from Ben Hutchings and
company.
- The ability to automatically generate cross-reference links within
a single DocBook book and embedded descriptions for large
structures. From Danilo Cesar Lemes de Paula.
- A new document on how to add a system call from David Drysdale.
- Chameleon bus documentation from Johannes Thumshirn.
...plus the usual collection of improvements, typo fixes, and more"
* tag 'docs-for-linus' of git://git.lwn.net/linux-2.6: (39 commits)
Documentation, add kernel-parameters.txt entry for dis_ucode_ldr
Documentation/x86: Rename IRQSTACKSIZE to IRQ_STACK_SIZE
Documentation/Intel-IOMMU.txt: Modify definition of DRHD
docs: update HOWTO for 3.x -> 4.x versioning
kernel-doc: ignore unneeded attribute information
scripts/kernel-doc: Adding cross-reference links to html documentation.
DocBook: Fix non-determinstic installation of duplicate man pages
Documentation: minor typo fix in mailbox.txt
Documentation: describe how to add a system call
doc: Add more workqueue functions to the documentation
ARM: keystone: add documentation for SoCs and EVMs
scripts/kernel-doc Allow struct arguments documentation in struct body
SubmittingPatches: remove stray quote character
Revert "DocBook: Avoid building man pages repeatedly and inconsistently"
Documentation: Minor changes to men-chameleon-bus.txt
Doc: fix trivial typo in SubmittingPatches
MAINTAINERS: Direct Documentation/DocBook/media properly
Documentation: installed man pages don't need to be executable
fix Evolution submenu name in email-clients.txt
Documentation: Add MCB documentation
...
Jason Gerecke