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2020-02-04kbuild: fix the document to use extra-y for vmlinux.ldsMasahiro Yamada
The difference between "always" and "extra-y" is that the targets listed in $(always) are always built, whereas the ones in $(extra-y) are built only when KBUILD_BUILTIN is set. So, "make modules" does not build the targets in $(extra-y). vmlinux.lds is only needed for linking vmlinux. So, adding it to extra-y is more correct. In fact, arch/x86/kernel/Makefile does this. Fix the example code. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-02-03Merge tag 'mfd-next-5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "New Drivers: - Add support for ROHM BD71828 PMICs and GPIOs - Add support for Qualcomm Aqstic Audio Codecs WCD9340 and WCD9341 New Device Support: - Add support for BD71828 to BD70528 RTC driver - Add support for Intel's Jasper Lake to LPSS PCI New Functionality: - Add support for Power Key to ROHM BD71828 - Add support for Clocks to ROHM BD71828 - Add support for GPIOs to Dialog DA9062 - Add support for USB PD Notify to ChromiumOS EC - Allow callers to specify args when requesting regmap lookup; syscon Fix-ups: - Improve error handling and sanity checking; atmel-hlcdc, dln2 - Device Tree support/documentation; bd71828, da9062, xylon,logicvc, ab8500, max14577, atmel-usart - Match devices using platform IDs; bd7xxxx - Refactor BD718x7 regulator component; bd718x7-regulator - Use standard interfaces/helpers; syscon, sm501 - Trivial (whitespace, spelling, etc); ab8500-core, Kconfig - Remove unused code; db8500-prcmu, tqmx86 - Wait until boot has finished before accessing registers; madera-core - Provide missing register value defaults; cs47l15-tables - Allow more time for hardware to reset; madera-core Bug Fixes: - Fix erroneous register values; rohm-bd70528 - Fix register volatility; axp20x, rn5t618 - Fix Kconfig dependencies; MFD_MAX77650 - Fix incorrect compatible string; da9062-core - Fix syscon_regmap_lookup_by_phandle_args() stub; syscon" * tag 'mfd-next-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (41 commits) mfd: syscon: Fix syscon_regmap_lookup_by_phandle_args() dummy mfd: wcd934x: Add support to wcd9340/wcd9341 codec mfd: syscon: Add arguments support for syscon reference mfd: rn5t618: Mark ADC control register volatile dt-bindings: atmel-usart: Add microchip,sam9x60-{usart, dbgu} dt-bindings: atmel-usart: Remove wildcard mfd: cros_ec: Add cros-usbpd-notify subdevice mfd: da9062: Fix watchdog compatible string mfd: madera: Allow more time for hardware reset mfd: cs47l15: Add missing register default mfd: madera: Wait for boot done before accessing any other registers mfd: Kconfig: Rename Samsung to lowercase mfd: tqmx86: remove set but not used variable 'i2c_ien' mfd: dbx500-prcmu: Drop DSI pll clock functions mfd: dbx500-prcmu: Drop set_display_clocks() mfd: max77650: Select REGMAP_IRQ in Kconfig mfd: axp20x: Mark AXP20X_VBUS_IPSOUT_MGMT as volatile mfd: ab8500: Fix ab8500-clk typo mfd: intel-lpss: Add Intel Jasper Lake PCI IDs dt-bindings: mfd: max14577: Add reference to max14040_battery.txt descriptions ...
2020-02-03Documentation: admin-guide: PM: Update sleep states documentationRafael J. Wysocki
There is some information in Documentation/power/interface.rst that is still missing from Documentation/admin-guide/pm/sleep-states.rst and really should be present in there, so update the latter by adding that information to it and delete the former (as it becomes redundant after that and it is somewhat outdated). While at it, clean up some assorted pieces of sleep-states.rst a bit. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-02-03intel_idle: Introduce 'states_off' module parameterRafael J. Wysocki
In certain system configurations it may not be desirable to use some C-states assumed to be available by intel_idle and the driver needs to be prevented from using them even before the cpuidle sysfs interface becomes accessible to user space. Currently, the only way to achieve that is by setting the 'max_cstate' module parameter to a value lower than the index of the shallowest of the C-states in question, but that may be overly intrusive, because it effectively makes all of the idle states deeper than the 'max_cstate' one go away (and the C-state to avoid may be in the middle of the range normally regarded as available). To allow that limitation to be overcome, introduce a new module parameter called 'states_off' to represent a list of idle states to be disabled by default in the form of a bitmask and update the documentation to cover it. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-02-03intel_idle: Introduce 'use_acpi' module parameterRafael J. Wysocki
For diagnostics, it is generally useful to be able to make intel_idle take the system's ACPI tables into consideration even if that is not required for the processor model in there, so introduce a new module parameter, 'use_acpi', to make that happen and update the documentation to cover it. While at it, fix the 'no_acpi' module parameter name in the documentation. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2020-02-02Merge tag 'leds-5.6-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds Pull LED updates from Pavel Machek: - New driver for TI TPS6105X - Add managed API to get a LED from a device driver - Misc fixes and updates * tag 'leds-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds: (22 commits) leds: lm3692x: Disable chip on brightness 0 leds: lm3692x: Split out lm3692x_leds_disable leds: lm3692x: Move lm3692x_init and rename to lm3692x_leds_enable leds: lm3692x: Make sure we don't exceed the maximum LED current dt: bindings: lm3692x: Add led-max-microamp property leds: lm3692x: Allow to configure over voltage protection dt: bindings: lm3692x: Add ti,ovp-microvolt property leds: populate the device's of_node leds: Add managed API to get a LED from a device driver leds: Add of_led_get() and led_put() leds: lm3532: add pointer to documentation and fix typo leds: lm3532: use extended registration so that LED can be used for backlight leds: lm3642: remove warnings for bad strtol, cleanup gotos leds: rb532: cleanup whitespace ledtrig-pattern: fix email address quoting in MODULE_AUTHOR() dt-bindings: mfd: update TI tps6105x chip bindings leds: tps6105x: add driver for MFD chip LED mode led: max77650: add of_match table leds: bd2802: Convert to use GPIO descriptors leds: pca963x: Fix open-drain initialization ...
2020-02-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfJakub Kicinski
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net: 1) Fix suspicious RCU usage in ipset, from Jozsef Kadlecsik. 2) Use kvcalloc, from Joe Perches. 3) Flush flowtable hardware workqueue after garbage collection run, from Paul Blakey. 4) Missing flowtable hardware workqueue flush from nf_flow_table_free(), also from Paul. 5) Restore NF_FLOW_HW_DEAD in flow_offload_work_del(), from Paul. 6) Flowtable documentation fixes, from Matteo Croce. ==================== Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2020-02-01Merge tag 'kconfig-v5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kconfig updates from Masahiro Yamada: - add 'yes2modconfig' and 'mod2yesconfig' targets (useful mainly for turning syzbot configs into more modular ones as a step to minimizing the result) - sanitize help text - various code cleanups * tag 'kconfig-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kconfig: fix documentation typos kconfig: fix an "implicit declaration of function" warning kconfig: fix nesting of symbol help text kconfig: distinguish between dependencies and visibility in help text kconfig: list all definitions of a symbol in help text kconfig: Add yes2modconfig and mod2yesconfig targets. kconfig: use $(PERL) in Makefile kconfig: fix too deep indentation in Makefile kconfig: localmodconfig: fix indentation for closing brace kconfig: localmodconfig: remove unused $config kconfig: squash prop_alloc() into menu_add_prop() kconfig: remove sym from struct property kconfig: remove 'prompt' argument from menu_add_prop() kconfig: move prompt handling to menu_add_prompt() from menu_add_prop() kconfig: remove 'prompt' symbol kconfig: drop T_WORD from the RHS of 'prompt' symbol kconfig: use parent->dep as the parentdep of 'menu' kconfig: remove the rootmenu check in menu_add_prop()
2020-02-01Merge tag 'kbuild-v5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild updates from Masahiro Yamada: - detect missing include guard in UAPI headers - do not create orphan built-in.a or obj-y objects - generate modules.builtin more simply, and drop tristate.conf - simplify built-in initramfs creation - make linux-headers deb package thinner - optimize the deb package build script - misc cleanups * tag 'kbuild-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (34 commits) builddeb: split libc headers deployment out into a function builddeb: split kernel headers deployment out into a function builddeb: remove redundant make for ARCH=um builddeb: avoid invoking sub-shells where possible builddeb: remove redundant $objtree/ builddeb: match temporary directory name to the package name builddeb: remove unneeded files in hdrobjfiles for headers package kbuild: use -S instead of -E for precise cc-option test in Kconfig builddeb: allow selection of .deb compressor kbuild: remove 'Building modules, stage 2.' log kbuild: remove *.tmp file when filechk fails kbuild: remove PYTHON2 variable modpost: assume STT_SPARC_REGISTER is defined gen_initramfs.sh: remove intermediate cpio_list on errors initramfs: refactor the initramfs build rules gen_initramfs.sh: always output cpio even without -o option initramfs: add default_cpio_list, and delete -d option support initramfs: generate dependency list and cpio at the same time initramfs: specify $(src)/gen_initramfs.sh as a prerequisite in Makefile initramfs: make initramfs compression choice non-optional ...
2020-02-01Merge branch 'topic/user-access-begin' into nextMichael Ellerman
Merge the user_access_begin() series from Christophe. This is based on a commit from Linus that went into v5.5-rc7.
2020-01-31Merge tag 'pci-v5.6-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: "Resource management: - Improve resource assignment for hot-added nested bridges, e.g., Thunderbolt (Nicholas Johnson) Power management: - Optionally print config space of devices before suspend (Chen Yu) - Increase D3 delay for AMD Ryzen5/7 XHCI controllers (Daniel Drake) Virtualization: - Generalize DMA alias quirks (James Sewart) - Add DMA alias quirk for PLX PEX NTB (James Sewart) - Fix IOV memory leak (Navid Emamdoost) AER: - Log which device prevents error recovery (Yicong Yang) Peer-to-peer DMA: - Whitelist Intel SkyLake-E (Armen Baloyan) Broadcom iProc host bridge driver: - Apply PAXC quirk whether driver is built-in or module (Wei Liu) Broadcom STB host bridge driver: - Add Broadcom STB PCIe host controller driver (Jim Quinlan) Intel Gateway SoC host bridge driver: - Add driver for Intel Gateway SoC (Dilip Kota) Intel VMD host bridge driver: - Add support for DMA aliases on other buses (Jon Derrick) - Remove dma_map_ops overrides (Jon Derrick) - Remove now-unused X86_DEV_DMA_OPS (Christoph Hellwig) NVIDIA Tegra host bridge driver: - Fix Tegra30 afi_pex2_ctrl register offset (Marcel Ziswiler) Panasonic UniPhier host bridge driver: - Remove module code since driver can't be built as a module (Masahiro Yamada) Qualcomm host bridge driver: - Add support for SDM845 PCIe controller (Bjorn Andersson) TI Keystone host bridge driver: - Fix "num-viewport" DT property error handling (Kishon Vijay Abraham I) - Fix link training retries initiation (Yurii Monakov) - Fix outbound region mapping (Yurii Monakov) Misc: - Add Switchtec Gen4 support (Kelvin Cao) - Add Switchtec Intercomm Notify and Upstream Error Containment support (Logan Gunthorpe) - Use dma_set_mask_and_coherent() since Switchtec supports 64-bit addressing (Wesley Sheng)" * tag 'pci-v5.6-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (60 commits) PCI: Allow adjust_bridge_window() to shrink resource if necessary PCI: Set resource size directly in adjust_bridge_window() PCI: Rename extend_bridge_window() to adjust_bridge_window() PCI: Rename extend_bridge_window() parameter PCI: Consider alignment of hot-added bridges when assigning resources PCI: Remove local variable usage in pci_bus_distribute_available_resources() PCI: Pass size + alignment to pci_bus_distribute_available_resources() PCI: Rename variables PCI: vmd: Add two VMD Device IDs PCI: Remove unnecessary braces PCI: brcmstb: Add MSI support PCI: brcmstb: Add Broadcom STB PCIe host controller driver x86/PCI: Remove X86_DEV_DMA_OPS PCI: vmd: Remove dma_map_ops overrides iommu/vt-d: Remove VMD child device sanity check iommu/vt-d: Use pci_real_dma_dev() for mapping PCI: Introduce pci_real_dma_dev() x86/PCI: Expose VMD's pci_dev in struct pci_sysdata x86/PCI: Add to_pci_sysdata() helper PCI/AER: Initialize aer_fifo ...
2020-01-31Merge tag 'media/v5.6-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - New staging driver for Rockship ISPv1 unit - New staging driver for Rockchip MIPI Synopsys DPHY RX0 - y2038 fixes at V4L2 API (backward-compatible) - A dvb core fix when receiving invalid EIT sections - Some clang-specific warnings got fixed - Added support for touch V4L2 interface at vivid - Several drivers were converted to use the new i2c_new_scanned_device() kAPI - Added sm1 support at meson's vdec driver - Several other driver cleanups, fixes and improvements * tag 'media/v5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (207 commits) media: staging/intel-ipu3: remove TODO item about acronyms media: v4l2-fwnode: Print the node name while parsing endpoints media: Revert "media: staging/intel-ipu3: make imgu use fixed running mode" media: mt9v111: constify copied structure media: platform: VIDEO_MEDIATEK_JPEG can also depend on MTK_IOMMU media: uvcvideo: Add a quirk to force GEO GC6500 Camera bits-per-pixel value media: uvcvideo: Avoid cyclic entity chains due to malformed USB descriptors media: hantro: fix post-processing NULL pointer dereference media: rcar-vin: Use correct pixel format when aligning format media: MAINTAINERS: add entry for Rockchip ISP1 driver media: staging: rkisp1: add TODO file for staging media: staging: rkisp1: add document for rkisp1 meta buffer format media: staging: rkisp1: add output device for parameters media: staging: rkisp1: add capture device for statistics media: staging: rkisp1: add user space ABI definitions media: staging: rkisp1: add streaming paths media: staging: rkisp1: add Rockchip ISP1 base driver media: staging: phy-rockchip-dphy-rx0: add Rockchip MIPI Synopsys DPHY RX0 driver media: staging: dt-bindings: add Rockchip MIPI RX D-PHY RX0 yaml bindings media: staging: dt-bindings: add Rockchip ISP1 yaml bindings ...
2020-01-31Merge tag 'thermal-v5.6-rc1-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux Pull thermal fixes from Daniel Lezcano: - Fix a severe docs build failure for cpu idle cooling device (Randy Dunlap) - Fix a spelling mistake in the error message for the stm32 (Colin Ian King) * tag 'thermal-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux: thermal: stm32: fix spelling mistake "preprare" -> "prepare" Documentation: cpu-idle-cooling: fix a SEVERE docs build failure
2020-01-31Merge branches 'clk-imx', 'clk-ti', 'clk-xilinx', 'clk-nvidia', 'clk-qcom', ↵Stephen Boyd
'clk-freescale' and 'clk-qoriq' into clk-next - Support for Xilinx Versal platform clks - Display clk controller on qcom sc7180 - Video clk controller on qcom sc7180 - Graphics clk controller on qcom sc7180 - CPU PLLs for qcom msm8916 - Fixes for clk controllers on qcom msm8998 SoCs - Move qcom msm8974 gfx3d clk to RPM control - Display port clk support on qcom sdm845 SoCs - Global clk controller on qcom ipq6018 - Adjust composite clk to new way of describing clk parents - Add a driver for BCLK of Freescale SAI cores * clk-imx: (32 commits) clk: imx: Add support for i.MX8MP clock driver dt-bindings: imx: Add clock binding doc for i.MX8MP clk: imx: gate4: Switch imx_clk_gate4_flags() to clk_hw based API clk: imx: imx8mq: Switch to clk_hw based API clk: imx: imx8mm: Switch to clk_hw based API clk: imx: imx8mn: Switch to clk_hw based API clk: imx: Remove __init for imx_obtain_fixed_clk_hw() API clk: imx: gate3: Switch to clk_hw based API clk: imx: add hw API imx_clk_hw_mux2_flags clk: imx: add imx_unregister_hw_clocks clk: imx: clk-composite-8m: Switch to clk_hw based API clk: imx: clk-pll14xx: Switch to clk_hw based API clk: imx7up: Rename the clks to hws clk: imx: Rename the imx_clk_divider_gate to imply it's clk_hw based clk: imx: Rename the imx_clk_pfdv2 to imply it's clk_hw based clk: imx: Rename the imx_clk_pllv4 to imply it's clk_hw based clk: imx: Rename sccg and frac pll register to suggest clk_hw clk: imx: imx7ulp composite: Rename to show is clk_hw based clk: imx: pllv2: Switch to clk_hw based API clk: imx: pllv1: Switch to clk_hw based API ... * clk-ti: clk: ti: clkctrl: Fix hidden dependency to node name clk: ti: add clkctrl data dra7 sgx clk: ti: omap5: Add missing AESS clock clk: ti: dra7: fix parent for gmac_clkctrl clk: ti: dra7: add vpe clkctrl data clk: ti: dra7: add cam clkctrl data dt-bindings: clock: Move ti-dra7-atl.h to dt-bindings/clock * clk-xilinx: clk: zynqmp: Add support for clock with CLK_DIVIDER_POWER_OF_TWO flag clk: zynqmp: Fix divider calculation clk: zynqmp: Add support for get max divider clk: zynqmp: Warn user if clock user are more than allowed clk: zynqmp: Extend driver for versal dt-bindings: clock: Add bindings for versal clock driver * clk-nvidia: clk: tegra20/30: Explicitly set parent clock for Video Decoder clk: tegra20/30: Don't pre-initialize displays parent clock clk: tegra: divider: Check UART's divider enable-bit state on rate's recalculation clk: tegra: clk-dfll: Remove call to pm_runtime_irq_safe() clk: tegra: Mark fuse clock as critical * clk-qcom: (35 commits) clk: qcom: rpmh: Sort OF match table dt-bindings: fix warnings in validation of qcom,gcc.yaml dt-binding: fix compilation error of the example in qcom,gcc.yaml clk: qcom: Add ipq6018 Global Clock Controller support clk: qcom: Add DT bindings for ipq6018 gcc clock controller clk: qcom: gcc-msm8996: Fix parent for CLKREF clocks clk: qcom: rpmh: Add IPA clock for SC7180 clk: qcom: rpmh: skip undefined clocks when registering clk: qcom: Add video clock controller driver for SC7180 dt-bindings: clock: Introduce SC7180 QCOM Video clock bindings dt-bindings: clock: Add YAML schemas for the QCOM VIDEOCC clock bindings clk: qcom: Add graphics clock controller driver for SC7180 dt-bindings: clock: Introduce SC7180 QCOM Graphics clock bindings dt-bindings: clock: Add YAML schemas for the QCOM GPUCC clock bindings clk: qcom: apcs-msm8916: use clk_parent_data to specify the parent clk: qcom: Add display clock controller driver for SC7180 dt-bindings: clock: Introduce QCOM sc7180 display clock bindings dt-bindings: clock: Add YAML schemas for the QCOM DISPCC clock bindings clk: qcom: clk-alpha-pll: Add support for Fabia PLL calibration clk: qcom: alpha-pll: Remove useless read from set rate ... * clk-freescale: clk: fsl-sai: new driver dt-bindings: clock: document the fsl-sai driver clk: composite: add _register_composite_pdata() variants * clk-qoriq: clk: qoriq: add ls1088a hwaccel clocks support clk: ls1028a: Add clock driver for Display output interface dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindings
2020-01-31Merge branches 'clk-debugfs-danger', 'clk-basic-hw', 'clk-renesas', ↵Stephen Boyd
'clk-amlogic' and 'clk-allwinner' into clk-next - Support dangerous debugfs actions on clks with dead code - Convert gpio, fixed-factor, mux, gate, divider basic clks to hw based APIs * clk-debugfs-danger: clk: Add support for setting clk_rate via debugfs * clk-basic-hw: clk: divider: Add support for specifying parents via DT/pointers clk: gate: Add support for specifying parents via DT/pointers clk: mux: Add support for specifying parents via DT/pointers clk: asm9260: Use parent accuracy in fixed rate clk clk: fixed-rate: Document that accuracy isn't a rate clk: fixed-rate: Add clk flags for parent accuracy clk: fixed-rate: Add support for specifying parents via DT/pointers clk: fixed-rate: Document accuracy member clk: fixed-rate: Move to_clk_fixed_rate() to C file clk: fixed-rate: Remove clk_register_fixed_rate_with_accuracy() clk: fixed-rate: Convert to clk_hw based APIs clk: gpio: Use DT way of specifying parents * clk-renesas: clk: renesas: Prepare for split of R-Car H3 config symbol dt-bindings: clock: renesas: cpg-mssr: Fix r8a774b1 typo clk: renesas: r7s9210: Add SPIBSC clock clk: renesas: rcar-gen3: Allow changing the RPC[D2] clocks clk: renesas: Remove use of ARCH_R8A7796 clk: renesas: rcar-gen2: Change multipliers and dividers to u8 * clk-amlogic: clk: clarify that clk_set_rate() does updates from top to bottom clk: meson: meson8b: make the CCF use the glitch-free mali mux clk: meson: pll: Fix by 0 division in __pll_params_to_rate() clk: meson: g12a: fix missing uart2 in regmap table clk: meson: meson8b: use of_clk_hw_register to register the clocks clk: meson: meson8b: don't register the XTAL clock when provided via OF clk: meson: meson8b: change references to the XTAL clock to use [fw_]name clk: meson: meson8b: use clk_hw_set_parent in the CPU clock notifier clk: meson: add a driver for the Meson8/8b/8m2 DDR clock controller dt-bindings: clock: meson8b: add the clock inputs dt-bindings: clock: add the Amlogic Meson8 DDR clock controller binding * clk-allwinner: clk: sunxi: a23/a33: Export the MIPI PLL clk: sunxi: a31: Export the MIPI PLL clk: sunxi-ng: a64: export CLK_CPUX clock for DVFS clk: sunxi-ng: add mux and pll notifiers for A64 CPU clock clk: sunxi-ng: r40: Export MBUS clock clk: sunxi: use of_device_get_match_data
2020-01-31Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Pull updates from Andrew Morton: "Most of -mm and quite a number of other subsystems: hotfixes, scripts, ocfs2, misc, lib, binfmt, init, reiserfs, exec, dma-mapping, kcov. MM is fairly quiet this time. Holidays, I assume" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (118 commits) kcov: ignore fault-inject and stacktrace include/linux/io-mapping.h-mapping: use PHYS_PFN() macro in io_mapping_map_atomic_wc() execve: warn if process starts with executable stack reiserfs: prevent NULL pointer dereference in reiserfs_insert_item() init/main.c: fix misleading "This architecture does not have kernel memory protection" message init/main.c: fix quoted value handling in unknown_bootoption init/main.c: remove unnecessary repair_env_string in do_initcall_level init/main.c: log arguments and environment passed to init fs/binfmt_elf.c: coredump: allow process with empty address space to coredump fs/binfmt_elf.c: coredump: delete duplicated overflow check fs/binfmt_elf.c: coredump: allocate core ELF header on stack fs/binfmt_elf.c: make BAD_ADDR() unlikely fs/binfmt_elf.c: better codegen around current->mm fs/binfmt_elf.c: don't copy ELF header around fs/binfmt_elf.c: fix ->start_code calculation fs/binfmt_elf.c: smaller code generation around auxv vector fill lib/find_bit.c: uninline helper _find_next_bit() lib/find_bit.c: join _find_next_bit{_le} uapi: rename ext2_swab() to swab() and share globally in swab.h lib/scatterlist.c: adjust indentation in __sg_alloc_table ...
2020-01-31Merge tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linuxLinus Torvalds
Pull MIPS changes from Paul Burton: "Nothing too big or scary in here: - Support mremap() for the VDSO, primarily to allow CRIU to restore the VDSO to its checkpointed location. - Restore the MIPS32 cBPF JIT, after having reverted the enablement of the eBPF JIT for MIPS32 systems in the 5.5 cycle. - Improve cop0 counter synchronization behaviour whilst onlining CPUs by running with interrupts disabled. - Better match FPU behaviour when emulating multiply-accumulate instructions on pre-r6 systems that implement IEEE754-2008 style MACs. - Loongson64 kernels now build using the MIPS64r2 ISA, allowing them to take advantage of instructions introduced by r2. - Support for the Ingenic X1000 SoC & the really nice little CU Neo development board that's using it. - Support for WMAC on GARDENA Smart Gateway devices. - Lots of cleanup & refactoring of SGI IP27 (Origin 2*) support in preparation for introducing IP35 (Origin 3*) support. - Various Kconfig & Makefile cleanups" * tag 'mips_5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (60 commits) MIPS: PCI: Add detection of IOC3 on IO7, IO8, IO9 and Fuel MIPS: Loongson64: Disable exec hazard MIPS: Loongson64: Bump ISA level to MIPSR2 MIPS: Make DIEI support as a config option MIPS: OCTEON: octeon-irq: fix spelling mistake "to" -> "too" MIPS: asm: local: add barriers for Loongson MIPS: Loongson64: Select mac2008 only feature MIPS: Add MAC2008 Support Revert "MIPS: Add custom serial.h with BASE_BAUD override for generic kernel" MIPS: sort MIPS and MIPS_GENERIC Kconfig selects alphabetically (again) MIPS: make CPU_HAS_LOAD_STORE_LR opt-out MIPS: generic: don't unconditionally select PINCTRL MIPS: don't explicitly select LIBFDT in Kconfig MIPS: sync-r4k: do slave counter synchronization with disabled HW interrupts MIPS: SGI-IP30: Check for valid pointer before using it MIPS: syscalls: fix indentation of the 'SYSNR' message MIPS: boot: fix typo in 'vmlinux.lzma.its' target MIPS: fix indentation of the 'RELOCS' message dt-bindings: Document loongson vendor-prefix MIPS: CU1000-Neo: Refresh defconfig to support HWMON and WiFi. ...
2020-01-31Merge tag 'arc-5.6-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC updates from Vineet Gupta: - Wire up clone3 syscall - ARCv2 FPU state save/restore across context switch - AXS10x platform and misc fixes * tag 'arc-5.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARCv2: fpu: preserve userspace fpu state ARC: fpu: declutter code, move bits out into fpu.h ARC: wireup clone3 syscall ARC: [plat-axs10x]: Add missing multicast filter number to GMAC node ARC: update feature support for jump-labels
2020-01-31Merge tag 'riscv-for-linus-5.6-mw0' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V updates from Palmer Dabbelt: "This contains a handful of patches for this merge window: - Support for kasan - 32-bit physical addresses on rv32i-based systems - Support for CONFIG_DEBUG_VIRTUAL - DT entry for the FU540 GPIO controller, which has recently had a device driver merged These boot a buildroot-based system on QEMU's virt board for me" * tag 'riscv-for-linus-5.6-mw0' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: dts: Add DT support for SiFive FU540 GPIO driver riscv: mm: add support for CONFIG_DEBUG_VIRTUAL riscv: keep 32-bit kernel to 32-bit phys_addr_t kasan: Add riscv to KASAN documentation. riscv: Add KASAN support kasan: No KASAN's memmove check if archs don't have it.
2020-01-31netfilter: nf_flowtable: fix documentationMatteo Croce
In the flowtable documentation there is a missing semicolon, the command as is would give this error: nftables.conf:5:27-33: Error: syntax error, unexpected devices, expecting newline or semicolon hook ingress priority 0 devices = { br0, pppoe-data }; ^^^^^^^ nftables.conf:4:12-13: Error: invalid hook (null) flowtable ft { ^^ Fixes: 19b351f16fd9 ("netfilter: add flowtable documentation") Signed-off-by: Matteo Croce <mcroce@redhat.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2020-01-31s390/boot: add dfltcc= kernel command line parameterMikhail Zaslonko
Add the new kernel command line parameter 'dfltcc=' to configure s390 zlib hardware support. Format: { on | off | def_only | inf_only | always } on: s390 zlib hardware support for compression on level 1 and decompression (default) off: No s390 zlib hardware support def_only: s390 zlib hardware support for deflate only (compression on level 1) inf_only: s390 zlib hardware support for inflate only (decompression) always: Same as 'on' but ignores the selected compression level always using hardware support (used for debugging) Link: http://lkml.kernel.org/r/20200103223334.20669-5-zaslonko@linux.ibm.com Signed-off-by: Mikhail Zaslonko <zaslonko@linux.ibm.com> Cc: Chris Mason <clm@fb.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: David Sterba <dsterba@suse.com> Cc: Eduard Shishkin <edward6@linux.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ilya Leoshkevich <iii@linux.ibm.com> Cc: Josef Bacik <josef@toxicpanda.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31mm/zswap.c: add allocation hysteresis if pool limit is hitVitaly Wool
zswap will always try to shrink pool when zswap is full. If there is a high pressure on zswap it will result in flipping pages in and out zswap pool without any real benefit, and the overall system performance will drop. The previous discussion on this subject [1] ended up with a suggestion to implement a sort of hysteresis to refuse taking pages into zswap pool until it has sufficient space if the limit has been hit. This is my take on this. Hysteresis is controlled with a sysfs-configurable parameter (namely, /sys/kernel/debug/zswap/accept_threhsold_percent). It specifies the threshold at which zswap would start accepting pages again after it became full. Setting this parameter to 100 disables the hysteresis and sets the zswap behavior to pre-hysteresis state. [1] https://lkml.org/lkml/2019/11/8/949 Link: http://lkml.kernel.org/r/20200108200118.15563-1-vitaly.wool@konsulko.com Signed-off-by: Vitaly Wool <vitaly.wool@konsulko.com> Cc: Dan Streetman <ddstreet@ieee.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31mm, tree-wide: rename put_user_page*() to unpin_user_page*()John Hubbard
In order to provide a clearer, more symmetric API for pinning and unpinning DMA pages. This way, pin_user_pages*() calls match up with unpin_user_pages*() calls, and the API is a lot closer to being self-explanatory. Link: http://lkml.kernel.org/r/20200107224558.2362728-23-jhubbard@nvidia.com Signed-off-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Björn Töpel <bjorn.topel@intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Jason Gunthorpe <jgg@mellanox.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jens Axboe <axboe@kernel.dk> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Leon Romanovsky <leonro@mellanox.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31mm/gup: introduce pin_user_pages*() and FOLL_PINJohn Hubbard
Introduce pin_user_pages*() variations of get_user_pages*() calls, and also pin_longterm_pages*() variations. For now, these are placeholder calls, until the various call sites are converted to use the correct get_user_pages*() or pin_user_pages*() API. These variants will eventually all set FOLL_PIN, which is also introduced, and thoroughly documented. pin_user_pages() pin_user_pages_remote() pin_user_pages_fast() All pages that are pinned via the above calls, must be unpinned via put_user_page(). The underlying rules are: * FOLL_PIN is a gup-internal flag, so the call sites should not directly set it. That behavior is enforced with assertions. * Call sites that want to indicate that they are going to do DirectIO ("DIO") or something with similar characteristics, should call a get_user_pages()-like wrapper call that sets FOLL_PIN. These wrappers will: * Start with "pin_user_pages" instead of "get_user_pages". That makes it easy to find and audit the call sites. * Set FOLL_PIN * For pages that are received via FOLL_PIN, those pages must be returned via put_user_page(). Thanks to Jan Kara and Vlastimil Babka for explaining the 4 cases in this documentation. (I've reworded it and expanded upon it.) Link: http://lkml.kernel.org/r/20200107224558.2362728-12-jhubbard@nvidia.com Signed-off-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Mike Rapoport <rppt@linux.ibm.com> [Documentation] Reviewed-by: Jérôme Glisse <jglisse@redhat.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ira Weiny <ira.weiny@intel.com> Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Cc: Björn Töpel <bjorn.topel@intel.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: Jason Gunthorpe <jgg@mellanox.com> Cc: Jason Gunthorpe <jgg@ziepe.ca> Cc: Jens Axboe <axboe@kernel.dk> Cc: Kirill A. Shutemov <kirill@shutemov.name> Cc: Leon Romanovsky <leonro@mellanox.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-01-31Merge tag 'kvm-5.6-1' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull KVM updates from Paolo Bonzini: "This is the first batch of KVM changes. ARM: - cleanups and corner case fixes. PPC: - Bugfixes x86: - Support for mapping DAX areas with large nested page table entries. - Cleanups and bugfixes here too. A particularly important one is a fix for FPU load when the thread has TIF_NEED_FPU_LOAD. There is also a race condition which could be used in guest userspace to exploit the guest kernel, for which the embargo expired today. - Fast path for IPI delivery vmexits, shaving about 200 clock cycles from IPI latency. - Protect against "Spectre-v1/L1TF" (bring data in the cache via speculative out of bound accesses, use L1TF on the sibling hyperthread to read it), which unfortunately is an even bigger whack-a-mole game than SpectreV1. Sean continues his mission to rewrite KVM. In addition to a sizable number of x86 patches, this time he contributed a pretty large refactoring of vCPU creation that affects all architectures but should not have any visible effect. s390 will come next week together with some more x86 patches" * tag 'kvm-5.6-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (204 commits) x86/KVM: Clean up host's steal time structure x86/KVM: Make sure KVM_VCPU_FLUSH_TLB flag is not missed x86/kvm: Cache gfn to pfn translation x86/kvm: Introduce kvm_(un)map_gfn() x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit KVM: PPC: Book3S PR: Fix -Werror=return-type build failure KVM: PPC: Book3S HV: Release lock on page-out failure path KVM: arm64: Treat emulated TVAL TimerValue as a signed 32-bit integer KVM: arm64: pmu: Only handle supported event counters KVM: arm64: pmu: Fix chained SW_INCR counters KVM: arm64: pmu: Don't mark a counter as chained if the odd one is disabled KVM: arm64: pmu: Don't increment SW_INCR if PMCR.E is unset KVM: x86: Use a typedef for fastop functions KVM: X86: Add 'else' to unify fastop and execute call path KVM: x86: inline memslot_valid_for_gpte KVM: x86/mmu: Use huge pages for DAX-backed files KVM: x86/mmu: Remove lpage_is_disallowed() check from set_spte() KVM: x86/mmu: Fold max_mapping_level() into kvm_mmu_hugepage_adjust() KVM: x86/mmu: Zap any compound page when collapsing sptes KVM: x86/mmu: Remove obsolete gfn restoration in FNAME(fetch) ...
2020-01-31KVM: s390: Add new reset vcpu APIJanosch Frank
The architecture states that we need to reset local IRQs for all CPU resets. Because the old reset interface did not support the normal CPU reset we never did that on a normal reset. Let's implement an interface for the missing normal and clear resets and reset all local IRQs, registers and control structures as stated in the architecture. Userspace might already reset the registers via the vcpu run struct, but as we need the interface for the interrupt clearing part anyway, we implement the resets fully and don't rely on userspace to reset the rest. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Link: https://lore.kernel.org/r/20200131100205.74720-4-frankja@linux.ibm.com Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
2020-01-31Documentation: cpu-idle-cooling: fix a SEVERE docs build failureRandy Dunlap
Sphinx ('make htmldocs') stops with a SEVERE error: Sphinx parallel build error: SystemMessage: /home/rdunlap/lnx/next/linux-next-20200120/Documentation/driver-api/thermal/cpu-idle-cooling.rst:69: (SEVERE/4) Unexpected section title. ^ | so fix the .rst file so that the SEVERE build error does not happen. Also fix another minor formatting warning (unexpected unindent). Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Amit Kucheria <amit.kucheria@verdurent.com> Cc: linux-pm@vger.kernel.org Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/712c1152-56b5-307f-b3f3-ed03a30b804a@infradead.org
2020-01-30dt/bindings: clk: Add YAML schemas for LS1028A Display Clock bindingsWen He
LS1028A has a clock domain PXLCLK0 used for provide pixel clocks to Display output interface. Add a YAML schema for this. Signed-off-by: Wen He <wen.he_1@nxp.com> Signed-off-by: Michael Walle <michael@walle.cc> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lkml.kernel.org/r/20191213083402.35678-1-wen.he_1@nxp.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
2020-01-30Merge tag 'mpx-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-mpx Pull x86 MPX removal from Dave Hansen: "MPX requires recompiling applications, which requires compiler support. Unfortunately, GCC 9.1 is expected to be be released without support for MPX. This means that there was only a relatively small window where folks could have ever used MPX. It failed to gain wide adoption in the industry, and Linux was the only mainstream OS to ever support it widely. Support for the feature may also disappear on future processors. This set completes the process that we started during the 5.4 merge window when the MPX prctl()s were removed. XSAVE support is left in place, which allows MPX-using KVM guests to continue to function" * tag 'mpx-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-mpx: x86/mpx: remove MPX from arch/x86 mm: remove arch_bprm_mm_init() hook x86/mpx: remove bounds exception code x86/mpx: remove build infrastructure x86/alternatives: add missing insn.h include
2020-01-30Merge tag 'mtd/for-5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux Pull MTD updates from Miquel Raynal: "MTD core - block2mtd: page index should use pgoff_t - maps: physmap: minimal Runtime PM support - maps: pcmciamtd: avoid possible sleep-in-atomic-context bugs - concat: Fix a comment referring to an unknown symbol Raw NAND: - Macronix: Use match_string() helper - Atmel: switch to using devm_fwnode_gpiod_get() - Denali: rework the SKIP_BYTES feature and add reset controlling - Brcmnand: set appropriate DMA mask - Cadence: add unspecified HAS_IOMEM dependency - Various cleanup. Onenand: - Rename Samsung and Omap2 drivers to avoid possible build warnings - Enable compile testing - Various build issues - Kconfig cleanup SPI-NAND: - Support for Toshiba TC58CVG2S0HRAIJ SPI-NOR: - Add support for TB selection using SR bit 6, - Add support for few flashes" * tag 'mtd/for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (41 commits) mtd: concat: Fix a comment referring to an unknown symbol mtd: rawnand: add unspecified HAS_IOMEM dependency mtd: block2mtd: page index should use pgoff_t mtd: maps: physmap: Add minimal Runtime PM support mtd: maps: pcmciamtd: fix possible sleep-in-atomic-context bugs in pcmciamtd_set_vpp() mtd: onenand: Rename omap2 driver to avoid a build warning mtd: onenand: Use a better name for samsung driver mtd: rawnand: atmel: switch to using devm_fwnode_gpiod_get() mtd: spinand: add support for Toshiba TC58CVG2S0HRAIJ mtd: rawnand: macronix: Use match_string() helper to simplify the code mtd: sharpslpart: Fix unsigned comparison to zero mtd: onenand: Enable compile testing of OMAP and Samsung drivers mtd: onenand: samsung: Fix printing format for size_t on 64-bit mtd: onenand: samsung: Fix pointer cast -Wpointer-to-int-cast warnings on 64 bit mtd: rawnand: denali: remove hard-coded DENALI_DEFAULT_OOB_SKIP_BYTES mtd: rawnand: denali_dt: add reset controlling dt-bindings: mtd: denali_dt: document reset property mtd: rawnand: denali_dt: Add support for configuring SPARE_AREA_SKIP_BYTES mtd: rawnand: denali_dt: error out if platform has no associated data mtd: rawnand: brcmnand: Set appropriate DMA mask ...
2020-01-30Merge tag 'f2fs-for-5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this series, we've implemented transparent compression experimentally. It supports LZO and LZ4, but will add more later as we investigate in the field more. At this point, the feature doesn't expose compressed space to user directly in order to guarantee potential data updates later to the space. Instead, the main goal is to reduce data writes to flash disk as much as possible, resulting in extending disk life time as well as relaxing IO congestion. Alternatively, we're also considering to add ioctl() to reclaim compressed space and show it to user after putting the immutable bit. Enhancements: - add compression support - avoid unnecessary locks in quota ops - harden power-cut scenario for zoned block devices - use private bio_set to avoid IO congestion - replace GC mutex with rwsem to serialize callers Bug fixes: - fix dentry consistency and memory corruption in rename()'s error case - fix wrong swap extent reports - fix casefolding bugs - change lock coverage to avoid deadlock - avoid GFP_KERNEL under f2fs_lock_op And, we've cleaned up sysfs entries to prepare no debugfs" * tag 'f2fs-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (31 commits) f2fs: fix race conditions in ->d_compare() and ->d_hash() f2fs: fix dcache lookup of !casefolded directories f2fs: Add f2fs stats to sysfs f2fs: delete duplicate information on sysfs nodes f2fs: change to use rwsem for gc_mutex f2fs: update f2fs document regarding to fsync_mode f2fs: add a way to turn off ipu bio cache f2fs: code cleanup for f2fs_statfs_project() f2fs: fix miscounted block limit in f2fs_statfs_project() f2fs: show the CP_PAUSE reason in checkpoint traces f2fs: fix deadlock allocating bio_post_read_ctx from mempool f2fs: remove unneeded check for error allocating bio_post_read_ctx f2fs: convert inline_dir early before starting rename f2fs: fix memleak of kobject f2fs: fix to add swap extent correctly f2fs: run fsck when getting bad inode during GC f2fs: support data compression f2fs: free sysfs kobject f2fs: declare nested quota_sem and remove unnecessary sems f2fs: don't put new_page twice in f2fs_rename ...
2020-01-30Merge tag 'ext4_for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 updates from Ted Ts'o: "This merge window, we've added some performance improvements in how we handle inode locking in the read/write paths, and improving the performance of Direct I/O overwrites. We also now record the error code which caused the first and most recent ext4_error() report in the superblock, to make it easier to root cause problems in production systems. There are also many of the usual cleanups and miscellaneous bug fixes" * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (49 commits) jbd2: clean __jbd2_journal_abort_hard() and __journal_abort_soft() jbd2: make sure ESHUTDOWN to be recorded in the journal superblock ext4, jbd2: ensure panic when aborting with zero errno jbd2: switch to use jbd2_journal_abort() when failed to submit the commit record jbd2_seq_info_next should increase position index jbd2: remove pointless assertion in __journal_remove_journal_head ext4,jbd2: fix comment and code style jbd2: delete the duplicated words in the comments ext4: fix extent_status trace points ext4: fix symbolic enum printing in trace output ext4: choose hardlimit when softlimit is larger than hardlimit in ext4_statfs_project() ext4: fix race conditions in ->d_compare() and ->d_hash() ext4: make dioread_nolock the default ext4: fix extent_status fragmentation for plain files jbd2: clear JBD2_ABORT flag before journal_reset to update log tail info when load journal ext4: drop ext4_kvmalloc() ext4: Add EXT4_IOC_FSGETXATTR/EXT4_IOC_FSSETXATTR to compat_ioctl ext4: remove unused macro MPAGE_DA_EXTENT_TAIL ext4: add missing braces in ext4_ext_drop_refs() ext4: fix some nonstandard indentation in extents.c ...
2020-01-30Merge branch 'cve-2019-3016' into kvm-next-5.6Paolo Bonzini
From Boris Ostrovsky: The KVM hypervisor may provide a guest with ability to defer remote TLB flush when the remote VCPU is not running. When this feature is used, the TLB flush will happen only when the remote VPCU is scheduled to run again. This will avoid unnecessary (and expensive) IPIs. Under certain circumstances, when a guest initiates such deferred action, the hypervisor may miss the request. It is also possible that the guest may mistakenly assume that it has already marked remote VCPU as needing a flush when in fact that request had already been processed by the hypervisor. In both cases this will result in an invalid translation being present in a vCPU, potentially allowing accesses to memory locations in that guest's address space that should not be accessible. Note that only intra-guest memory is vulnerable. The five patches address both of these problems: 1. The first patch makes sure the hypervisor doesn't accidentally clear a guest's remote flush request 2. The rest of the patches prevent the race between hypervisor acknowledging a remote flush request and guest issuing a new one. Conflicts: arch/x86/kvm/x86.c [move from kvm_arch_vcpu_free to kvm_arch_vcpu_destroy]
2020-01-30Merge tag 'kvm-ppc-next-5.6-2' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD Second KVM PPC update for 5.6 * Fix compile warning on 32-bit machines * Fix locking error in secure VM support
2020-01-30Merge tag 'kvmarm-5.6' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm updates for Linux 5.6 - Fix MMIO sign extension - Fix HYP VA tagging on tag space exhaustion - Fix PSTATE/CPSR handling when generating exception - Fix MMU notifier's advertizing of young pages - Fix poisoned page handling - Fix PMU SW event handling - Fix TVAL register access - Fix AArch32 external abort injection - Fix ITS unmapped collection handling - Various cleanups
2020-01-30Merge tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drmLinus Torvalds
Pull drm updates from Davbe Airlie: "This is the main pull request for graphics for 5.6. Usual selection of changes all over. I've got one outstanding vmwgfx pull that touches mm so kept it separate until after all of this lands. I'll try and get it to you soon after this, but it might be early next week (nothing wrong with code, just my schedule is messy) This also hits a lot of fbdev drivers with some cleanups. Other notables: - vulkan timeline semaphore support added to syncobjs - nouveau turing secureboot/graphics support - Displayport MST display stream compression support Detailed summary: uapi: - dma-buf heaps added (and fixed) - command line add support for panel oreientation - command line allow overriding penguin count drm: - mipi dsi definition updates - lockdep annotations for dma_resv - remove dma-buf kmap/kunmap support - constify fb_ops in all fbdev drivers - MST fix for daisy chained hotplug- - CTA-861-G modes with VIC >= 193 added - fix drm_panel_of_backlight export - LVDS decoder support - more device based logging support - scanline alighment for dumb buffers - MST DSC helpers scheduler: - documentation fixes - job distribution improvements panel: - Logic PD type 28 panel support - Jimax8729d MIPI-DSI - igenic JZ4770 - generic DSI devicetree bindings - sony acx424AKP panel - Leadtek LTK500HD1829 - xinpeng XPP055C272 - AUO B116XAK01 - GiantPlus GPM940B0 - BOE NV140FHM-N49 - Satoz SAT050AT40H12R2 - Sharp LS020B1DD01D panels. ttm: - use blocking WW lock i915: - hw/uapi state separation - Lock annotation improvements - selftest improvements - ICL/TGL DSI VDSC support - VBT parsing improvments - Display refactoring - DSI updates + fixes - HDCP 2.2 for CFL - CML PCI ID fixes - GLK+ fbc fix - PSR fixes - GEN/GT refactor improvments - DP MST fixes - switch context id alloc to xarray - workaround updates - LMEM debugfs support - tiled monitor fixes - ICL+ clock gating programming removed - DP MST disable sequence fixed - LMEM discontiguous object maps - prefaulting for discontiguous objects - use LMEM for dumb buffers if possible - add LMEM mmap support amdgpu: - enable sync object timelines for vulkan - MST atomic routines - enable MST DSC support - add DMCUB display microengine support - DC OEM i2c support - Renoir DC fixes - Initial HDCP 2.x support - BACO support for Arcturus - Use BACO for runtime PM power save - gfxoff on navi10 - gfx10 golden updates and fixes - DCN support on POWER - GFXOFF for raven1 refresh - MM engine idle handlers cleanup - 10bpc EDP panel fixes - renoir watermark fixes - SR-IOV fixes - Arcturus VCN fixes - GDDR6 training fixes - freesync fixes - Pollock support amdkfd: - unify more codepath with amdgpu - use KIQ to setup HIQ rather than MMIO radeon: - fix vma fault handler race - PPC DMA fix - register check fixes for r100/r200 nouveau: - mmap_sem vs dma_resv fix - rewrite the ACR secure boot code for Turing - TU10x graphics engine support (TU11x pending) - Page kind mapping for turing - 10-bit LUT support - GP10B Tegra fixes - HD audio regression fix hisilicon/hibmc: - use generic fbdev code and helpers rockchip: - dsi/px30 support virtio: - fb damage support - static some functions vc4: - use dma_resv lock wrappers msm: - use dma_resv lock wrappers - sc7180 display + DSI support - a618 support - UBWC support improvements vmwgfx: - updates + new logging uapi exynos: - enable/disable callback cleanups etnaviv: - use dma_resv lock wrappers atmel-hlcdc: - clock fixes mediatek: - cmdq support - non-smooth cursor fixes - ctm property support sun4i: - suspend support - A64 mipi dsi support rcar-du: - Color management module support - LVDS encoder dual-link support - R8A77980 support analogic: - add support for an6345 ast: - atomic modeset support - primary plane garbage fix arcgpu: - fixes for fourcc handling tegra: - minor fixes and improvments mcde: - vblank support meson: - OSD1 plane AFBC commit gma500: - add pageflip support - reomve global drm_dev komeda: - tweak debugfs output - d32 support - runtime PM suppotr udl: - use generic shmem helpers - cleanup and fixes" * tag 'drm-next-2020-01-30' of git://anongit.freedesktop.org/drm/drm: (1998 commits) drm/nouveau/fb/gp102-: allow module to load even when scrubber binary is missing drm/nouveau/acr: return error when registering LSF if ACR not supported drm/nouveau/disp/gv100-: not all channel types support reporting error codes drm/nouveau/disp/nv50-: prevent oops when no channel method map provided drm/nouveau: support synchronous pushbuf submission drm/nouveau: signal pending fences when channel has been killed drm/nouveau: reject attempts to submit to dead channels drm/nouveau: zero vma pointer even if we only unreference it rather than free drm/nouveau: Add HD-audio component notifier support drm/nouveau: fix build error without CONFIG_IOMMU_API drm/nouveau/kms/nv04: remove set but not used variable 'width' drm/nouveau/kms/nv50: remove set but not unused variable 'nv_connector' drm/nouveau/mmu: fix comptag memory leak drm/nouveau/gr/gp10b: Use gp100_grctx and gp100_gr_zbc drm/nouveau/pmu/gm20b,gp10b: Fix Falcon bootstrapping drm/exynos: Rename Exynos to lowercase drm/exynos: change callback names drm/mst: Don't do atomic checks over disabled managers drm/amdgpu: add the lost mutex_init back drm/amd/display: skip opp blank or unblank if test pattern enabled ...
2020-01-30Merge tag 'for-v5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply Pull power supply and reset updates from Sebastian Reichel: "Core: - Add battery internal resistance temperature table support Drivers: - sc27xx: Optimize the battery resistance with measuring temperature - max17042-battery: Add MAX17055 support - bq25890-charger: Add support of BQ25892 and BQ25896 chips - misc fixes" * tag 'for-v5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (44 commits) power: supply: ipaq_micro_battery: remove unneeded semicolon power: supply: bq25890_charger: fix incorrect error return when bq25890_field_read fails power: supply: axp20x_usb_power: Only poll while offline power: supply: axp20x_usb_power: Add wakeup control power: supply: axp20x_usb_power: Allow offlining power: supply: axp20x_usb_power: Use a match structure power: suppy: ucs1002: Make the symbol 'ucs1002_regulator_enable' static power: reset: at91-poweroff: use proper master clock register offset power: reset: at91-poweroff: introduce struct shdwc_reg_config power: supply: bq25890_charger: Add DT and I2C ids for all supported chips dt-bindings: Add new chips to bq25890 binding documentation power: supply: bq25890_charger: Add support of BQ25892 and BQ25896 chips power: supply: core: Update sysfs-class-power ABI document power: supply: sbs-battery: Fix a signedness bug in sbs_get_battery_capacity() power: supply: ltc2941-battery-gauge: fix use-after-free power: supply: max17040: Correct IRQ wake handling power: supply: axp20x_usb_power: Remove unused device_node power: supply: axp20x_ac_power: Add wakeup control power: supply: axp20x_ac_power: Allow offlining power: supply: axp20x_ac_power: Fix reporting online status ...
2020-01-30Merge tag 'devicetree-for-5.6' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree updates from Rob Herring: - Update dtc to upstream v1.5.1-22-gc40aeb60b47a (plus 1 revert) - Fix for DMA coherent devices on Power - Rework and simplify the DT phandle cache code - DT schema conversions for LEDS, gpio-leds, STM32 dfsdm, STM32 UART, STM32 ROMEM, STM32 watchdog, STM32 DMAs, STM32 mlahb, STM32 RTC, STM32 RCC, STM32 syscon, rs485, Renesas rCar CSI2, Faraday FTIDE010, DWC2, Arm idle-states, Allwinner legacy resets, PRCM and clocks, Allwinner H6 OPP, Allwinner AHCI, Allwinner MBUS, Allwinner A31 CSI, Allwinner h/w codec, Allwinner A10 system ctrl, Allwinner SRAM, Allwinner USB PHY, Renesas CEU, generic PCI host, Arm Versatile PCI - New binding schemas for SATA and PATA controllers, TI and Infineon VR controllers, MAX31730 - New compatible strings for i.MX8QM, WCN3991, renesas,r8a77961-wdt, renesas,etheravb-r8a77961 - Add USB 'super-speed-plus' as a documented speed - Vendor prefixes for broadmobi, calaosystems, kam, and mps - Clean-up the multiple flavors of ST-Ericsson vendor prefixes * tag 'devicetree-for-5.6' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (66 commits) scripts/dtc: Revert "yamltree: Ensure consistent bracketing of properties with phandles" of: Add OF_DMA_DEFAULT_COHERENT & select it on powerpc dt-bindings: leds: Convert gpio-leds to DT schema dt-bindings: leds: Convert common LED binding to schema dt-bindings: PCI: Convert generic host binding to DT schema dt-bindings: PCI: Convert Arm Versatile binding to DT schema dt-bindings: Be explicit about installing deps dt-bindings: stm32: convert dfsdm to json-schema dt-bindings: serial: Convert STM32 UART to json-schema dt-bindings: serial: Convert rs485 bindings to json-schema dt-bindings: timer: Use non-empty ranges in example dt-bindings: arm-boards: typo fix dt-bindings: Add TI and Infineon VR Controllers as trivial devices dt-binding: usb: add "super-speed-plus" dt-bindings: rcar-csi2: Convert bindings to json-schema dt-bindings: iio: adc: ad7606: Fix wrong maxItems value dt-bindings: Convert Faraday FTIDE010 to DT schema dt-bindings: Create DT bindings for PATA controllers dt-bindings: Create DT bindings for SATA controllers dt: bindings: add vendor prefix for Kamstrup A/S ...
2020-01-30tracing: Documentation for in-kernel synthetic event APITom Zanussi
Add Documentation for creating and generating synthetic events from modules. Link: http://lkml.kernel.org/r/734bf8789ff8700000c9acde61a553427910ddb5.1580323897.git.zanussi@kernel.org Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Tom Zanussi <zanussi@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
2020-01-30s390: support KPROBES_ON_FTRACESven Schnelle
Instead of using our own kprobes-on-ftrace handling convert the code to support KPROBES_ON_FTRACE. Signed-off-by: Sven Schnelle <svens@linux.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2020-01-29Merge tag 'for-linus-hmm' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma Pull mmu_notifier updates from Jason Gunthorpe: "This small series revises the names in mmu_notifier to make the code clearer and more readable" * tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: mm/mmu_notifiers: Use 'interval_sub' as the variable for mmu_interval_notifier mm/mmu_notifiers: Use 'subscription' as the variable name for mmu_notifier mm/mmu_notifier: Rename struct mmu_notifier_mm to mmu_notifier_subscriptions
2020-01-29Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds
Pull SCSI updates from James Bottomley: "This series is slightly unusual because it includes Arnd's compat ioctl tree here: 1c46a2cf2dbd Merge tag 'block-ioctl-cleanup-5.6' into 5.6/scsi-queue Excluding Arnd's changes, this is mostly an update of the usual drivers: megaraid_sas, mpt3sas, qla2xxx, ufs, lpfc, hisi_sas. There are a couple of core and base updates around error propagation and atomicity in the attribute container base we use for the SCSI transport classes. The rest is minor changes and updates" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (149 commits) scsi: hisi_sas: Rename hisi_sas_cq.pci_irq_mask scsi: hisi_sas: Add prints for v3 hw interrupt converge and automatic affinity scsi: hisi_sas: Modify the file permissions of trigger_dump to write only scsi: hisi_sas: Replace magic number when handle channel interrupt scsi: hisi_sas: replace spin_lock_irqsave/spin_unlock_restore with spin_lock/spin_unlock scsi: hisi_sas: use threaded irq to process CQ interrupts scsi: ufs: Use UFS device indicated maximum LU number scsi: ufs: Add max_lu_supported in struct ufs_dev_info scsi: ufs: Delete is_init_prefetch from struct ufs_hba scsi: ufs: Inline two functions into their callers scsi: ufs: Move ufshcd_get_max_pwr_mode() to ufshcd_device_params_init() scsi: ufs: Split ufshcd_probe_hba() based on its called flow scsi: ufs: Delete struct ufs_dev_desc scsi: ufs: Fix ufshcd_probe_hba() reture value in case ufshcd_scsi_add_wlus() fails scsi: ufs-mediatek: enable low-power mode for hibern8 state scsi: ufs: export some functions for vendor usage scsi: ufs-mediatek: add dbg_register_dump implementation scsi: qla2xxx: Fix a NULL pointer dereference in an error path scsi: qla1280: Make checking for 64bit support consistent scsi: megaraid_sas: Update driver version to 07.713.01.00-rc1 ...
2020-01-29Merge tag 'for-5.6/dm-changes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper updates from Mike Snitzer: - Fix DM core's potential for q->make_request_fn NULL pointer in the unlikely case that a DM device is created without a DM table and then accessed due to upper-layer userspace code or user error. - Fix DM thin-provisioning's metadata_pre_commit_callback to not use memory after it is free'd. Also refactor code to disallow changing the thin-pool's data device once in use -- doing so guarantees smae lifetime of pool's data device relative to the pool metadata. - Fix DM space maps used by DM thinp and DM cache to avoid reuse of a already used block. This race was identified with extremely heavy snapshot use in the context of DM thin provisioning. - Fix DM raid's table status relative to an active rebuild. - Fix DM crypt to use GFP_NOIO rather than GFP_NOFS in call to skcipher_request_alloc(). Also fix benbi IV constructor crash if used in authenticated mode. - Add DM crypt support for Elephant diffuser to allow for Bitlocker compatibility. - Fix DM verity target to not prefetch hash blocks for data that has already been verified. - Fix DM writecache's incorrect flush sequence during commit when in SSD mode. - Improve DM writecache's sequential write performance on SSDs. - Add DM zoned target support for zone sizes smaller than 128MiB. - Add DM multipath 'queue_if_no_path_timeout_secs' module param to allow timeout if path isn't reinstated. This allows users a kernel safety-net against IO hanging indefinitely, due to no active paths, that has historically only been provided by multipathd userspace. - Various DM code cleanups to use true/false rather than 1/0, a variable rename in dm-dust, and fix for a math error in comment for DM thin metadata's ondisk format. * tag 'for-5.6/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (21 commits) dm: fix potential for q->make_request_fn NULL pointer dm writecache: improve performance of large linear writes on SSDs dm mpath: Add timeout mechanism for queue_if_no_path dm thin: change data device's flush_bio to be member of struct pool dm thin: don't allow changing data device during thin-pool reload dm thin: fix use-after-free in metadata_pre_commit_callback dm thin metadata: use pool locking at end of dm_pool_metadata_close dm writecache: fix incorrect flush sequence when doing SSD mode commit dm crypt: fix benbi IV constructor crash if used in authenticated mode dm crypt: Implement Elephant diffuser for Bitlocker compatibility dm space map common: fix to ensure new block isn't already in use dm verity: don't prefetch hash blocks for already-verified data dm crypt: fix GFP flags passed to skcipher_request_alloc() dm thin metadata: Fix trivial math error in on-disk format documentation dm thin metadata: use true/false for bool variable dm snapshot: use true/false for bool variable dm bio prison v2: use true/false for bool variable dm mpath: use true/false for bool variable dm zoned: support zone sizes smaller than 128MiB dm raid: table line rebuild status fixes ...
2020-01-29Merge tag 'docs-5.6' of git://git.lwn.net/linuxLinus Torvalds
Pull documentation updates from Jonathan Corbet: "It has been a relatively quiet cycle for documentation, but there's still a couple of things of note: - Conversion of the NFS documentation to RST - A new document on how to help with documentation (and a maintainer profile entry too) Plus the usual collection of typo fixes, etc" * tag 'docs-5.6' of git://git.lwn.net/linux: (40 commits) docs: filesystems: add overlayfs to index.rst docs: usb: remove some broken references scripts/find-unused-docs: Fix massive false positives docs: nvdimm: use ReST notation for subsection zram: correct documentation about sysfs node of huge page writeback Documentation: zram: various fixes in zram.rst Add a maintainer entry profile for documentation Add a document on how to contribute to the documentation docs: Keep up with the location of NoUri Documentation: Call out example SYM_FUNC_* usage as x86-specific Documentation: nfs: fault_injection: convert to ReST Documentation: nfs: pnfs-scsi-server: convert to ReST Documentation: nfs: convert pnfs-block-server to ReST Documentation: nfs: idmapper: convert to ReST Documentation: convert nfsd-admin-interfaces to ReST Documentation: nfs-rdma: convert to ReST Documentation: nfsroot.rst: COSMETIC: refill a paragraph Documentation: nfsroot.txt: convert to ReST Documentation: convert nfs.txt to ReST Documentation: filesystems: convert vfat.txt to RST ...
2020-01-29Merge tag 'linux-kselftest-5.6-rc1-kunit' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest kunit updates from Shuah Khan: "This kunit update consists of: - Support for building kunit as a module from Alan Maguire - AppArmor KUnit tests for policy unpack from Mike Salvatore" * tag 'linux-kselftest-5.6-rc1-kunit' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: kunit: building kunit as a module breaks allmodconfig kunit: update documentation to describe module-based build kunit: allow kunit to be loaded as a module kunit: remove timeout dependence on sysctl_hung_task_timeout_seconds kunit: allow kunit tests to be loaded as a module kunit: hide unexported try-catch interface in try-catch-impl.h kunit: move string-stream.h to lib/kunit apparmor: add AppArmor KUnit tests for policy unpack
2020-01-29Merge branch 'remotes/lorenzo/pci/qcom'Bjorn Helgaas
- Add DT clock/reset info for SDM845 PCIe controller (Bjorn Andersson) - Add support for SDM845 PCIe controller to the qcom driver (Bjorn Andersson) * remotes/lorenzo/pci/qcom: PCI: qcom: Add support for SDM845 PCIe controller dt-bindings: PCI: qcom: Add support for SDM845 PCIe
2020-01-29Merge branch 'remotes/lorenzo/pci/dwc'Bjorn Helgaas
- Add intel-gw driver for PCIe host controller on Intel Gateway SoC (Dilip Kota) - Use shared DesignWare helpers to configure Fast Training Sequence (FTS) in artpec6 (Dilip Kota) * remotes/lorenzo/pci/dwc: PCI: artpec6: Configure FTS with dwc helper function PCI: dwc: intel: PCIe RC controller driver dt-bindings: PCI: intel: Add YAML schemas for the PCIe RC controller
2020-01-29Merge branch 'remotes/lorenzo/pci/brcmstb'Bjorn Helgaas
- Add brcmstb PCIe bindings for Raspberry Pi 4 (Jim Quinlan) - Add Broadcom STB PCIe host controller driver (Jim Quinlan) - Add MSI support for Broadcom STB PCIe host controller driver (Jim Quinlan) * remotes/lorenzo/pci/brcmstb: PCI: brcmstb: Add MSI support PCI: brcmstb: Add Broadcom STB PCIe host controller driver dt-bindings: PCI: Add bindings for brcmstb's PCIe device
2020-01-29docs: i2c: writing-clients: properly name the stop conditionLuca Ceresoli
In I2C there is no such thing as a "stop bit". Use the proper naming: "stop condition". Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Reported-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-01-29docs: i2c: i2c-protocol: use same wording as smbus-protocolLuca Ceresoli
In smbus-protocol.rst we use the text "Implemented by" for the same meaning as "This corresponds to". Change everything to "Implemented by" for coherency. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Reported-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>