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- 20 Sep, 2019 11 commits
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Jordan Niethe authored
Currently the reserved bits of the Processor Compatibility Register (PCR) are cleared as per the Programming Note in Section 1.3.3 of version 3.0B of the Power ISA. This causes all new architecture features to be made available when running on newer processors with new architecture features added to the PCR as bits must be set to disable a given feature. For example to disable new features added as part of Version 2.07 of the ISA the corresponding bit in the PCR needs to be set. As new processor features generally require explicit kernel support they should be disabled until such support is implemented. Therefore kernels should set all unknown/reserved bits in the PCR such that any new architecture features which the kernel does not currently know about get disabled. An update is planned to the ISA to clarify that the PCR is an exception to the Programming Note on reserved bits in Section 1.3.3. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Jordan Niethe <jniethe5@gmail.com> Tested-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190917004605.22471-2-alistair@popple.id.au
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Alistair Popple authored
Commit 388cc6e1 ("KVM: PPC: Book3S HV: Support POWER6 compatibility mode on POWER7") introduced new macros defining the PCR bits. When used from assembly files these definitions lead to build errors using older versions of binutils that don't support the 'ul' suffix. This fixes the build errors by updating the definitions to use the __MASK() macro which selects the appropriate suffix. Signed-off-by: Alistair Popple <alistair@popple.id.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190917004605.22471-1-alistair@popple.id.au
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Aneesh Kumar K.V authored
On failed task initialization due to memory allocation failures, we can call into destroy_context() with process_tb entry already populated. This patch forces the process_tb entry to zero in destroy_context(). With this patch, we lose the ability to track if we are destroying a context without flushing the process table entry. WARNING: CPU: 4 PID: 6368 at arch/powerpc/mm/mmu_context_book3s64.c:246 destroy_context+0x58/0x340 NIP [c0000000000875f8] destroy_context+0x58/0x340 LR [c00000000013da18] __mmdrop+0x78/0x270 Call Trace: [c000000f7db77c80] [c00000000013da18] __mmdrop+0x78/0x270 [c000000f7db77cf0] [c0000000004d6a34] __do_execve_file.isra.13+0xbd4/0x1000 [c000000f7db77e00] [c0000000004d7428] sys_execve+0x58/0x70 [c000000f7db77e30] [c00000000000b388] system_call+0x5c/0x70 Reported-by: Priya M.A <priyama2@in.ibm.com> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> [mpe: Reformat/tweak comment wording] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190918140103.24395-1-aneesh.kumar@linux.ibm.com
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Gustavo Romero authored
Add TM selftest to check if FP or VEC register values from one process can leak into another process when both run on the same CPU. Signed-off-by: Gustavo Romero <gromero@linux.ibm.com> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190904045529.23002-3-gromero@linux.vnet.ibm.com
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc updates from Michael Ellerman: "This is a bit late, partly due to me travelling, and partly due to a power outage knocking out some of my test systems *while* I was travelling. - Initial support for running on a system with an Ultravisor, which is software that runs below the hypervisor and protects guests against some attacks by the hypervisor. - Support for building the kernel to run as a "Secure Virtual Machine", ie. as a guest capable of running on a system with an Ultravisor. - Some changes to our DMA code on bare metal, to allow devices with medium sized DMA masks (> 32 && < 59 bits) to use more than 2GB of DMA space. - Support for firmware assisted crash dumps on bare metal (powernv). - Two series fixing bugs in and refactoring our PCI EEH code. - A large series refactoring our exception entry code to use gas macros, both to make it more readable and also enable some future optimisations. As well as many cleanups and other minor features & fixups. Thanks to: Adam Zerella, Alexey Kardashevskiy, Alistair Popple, Andrew Donnellan, Aneesh Kumar K.V, Anju T Sudhakar, Anshuman Khandual, Balbir Singh, Benjamin Herrenschmidt, Cédric Le Goater, Christophe JAILLET, Christophe Leroy, Christopher M. Riedl, Christoph Hellwig, Claudio Carvalho, Daniel Axtens, David Gibson, David Hildenbrand, Desnes A. Nunes do Rosario, Ganesh Goudar, Gautham R. Shenoy, Greg Kurz, Guerney Hunt, Gustavo Romero, Halil Pasic, Hari Bathini, Joakim Tjernlund, Jonathan Neuschafer, Jordan Niethe, Leonardo Bras, Lianbo Jiang, Madhavan Srinivasan, Mahesh Salgaonkar, Mahesh Salgaonkar, Masahiro Yamada, Maxiwell S. Garcia, Michael Anderson, Nathan Chancellor, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Qian Cai, Ram Pai, Ravi Bangoria, Reza Arbab, Ryan Grimm, Sam Bobroff, Santosh Sivaraj, Segher Boessenkool, Sukadev Bhattiprolu, Thiago Bauermann, Thiago Jung Bauermann, Thomas Gleixner, Tom Lendacky, Vasant Hegde" * tag 'powerpc-5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (264 commits) powerpc/mm/mce: Keep irqs disabled during lockless page table walk powerpc: Use ftrace_graph_ret_addr() when unwinding powerpc/ftrace: Enable HAVE_FUNCTION_GRAPH_RET_ADDR_PTR ftrace: Look up the address of return_to_handler() using helpers powerpc: dump kernel log before carrying out fadump or kdump docs: powerpc: Add missing documentation reference powerpc/xmon: Fix output of XIVE IPI powerpc/xmon: Improve output of XIVE interrupts powerpc/mm/radix: remove useless kernel messages powerpc/fadump: support holes in kernel boot memory area powerpc/fadump: remove RMA_START and RMA_END macros powerpc/fadump: update documentation about option to release opalcore powerpc/fadump: consider f/w load area powerpc/opalcore: provide an option to invalidate /sys/firmware/opal/core file powerpc/opalcore: export /sys/firmware/opal/core for analysing opal crashes powerpc/fadump: update documentation about CONFIG_PRESERVE_FA_DUMP powerpc/fadump: add support to preserve crash data on FADUMP disabled kernel powerpc/fadump: improve how crashed kernel's memory is reserved powerpc/fadump: consider reserved ranges while releasing memory powerpc/fadump: make crash memory ranges array allocation generic ...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Will Deacon: "We've had a few arm64 fixes trickle in this week. Nothing catastophic, but all things that should be addressed: - Fix clang build breakage with CONFIG_OPTIMIZE_INLINING=y - Fix compilation of pointer tagging selftest - Fix COND_SYSCALL definitions to work with CFI checks - Fix stale documentation reference in our Kconfig" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Fix reference to docs for ARM64_TAGGED_ADDR_ABI arm64: fix function types in COND_SYSCALL selftests, arm64: add kernel headers path for tags_test arm64: fix unreachable code issue with cmpxchg
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git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernelLinus Torvalds authored
Pull Hexagon maintainership update from Richard Kuo: "I am leaving QuIC, and Brian Cain will be taking over maintainership of the Hexagon port" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: Hexagon: change maintainer to Brian Cain
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull tracing updates from Steven Rostedt: - Addition of multiprobes to kprobe and uprobe events (allows for more than one probe attached to the same location) - Addition of adding immediates to probe parameters - Clean up of the recordmcount.c code. This brings us closer to merging recordmcount into objtool, and reuse code. - Other small clean ups * tag 'trace-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (33 commits) selftests/ftrace: Update kprobe event error testcase tracing/probe: Reject exactly same probe event tracing/probe: Fix to allow user to enable events on unloaded modules selftests/ftrace: Select an existing function in kprobe_eventname test tracing/kprobe: Fix NULL pointer access in trace_porbe_unlink() tracing: Make sure variable reference alias has correct var_ref_idx tracing: Be more clever when dumping hex in __print_hex() ftrace: Simplify ftrace hash lookup code in clear_func_from_hash() tracing: Add "gfp_t" support in synthetic_events tracing: Rename tracing_reset() to tracing_reset_cpu() tracing: Document the stack trace algorithm in the comments tracing/arm64: Have max stack tracer handle the case of return address after data recordmcount: Clarify what cleanup() does recordmcount: Remove redundant cleanup() calls recordmcount: Kernel style formatting recordmcount: Kernel style function signature formatting recordmcount: Rewrite error/success handling selftests/ftrace: Add syntax error test for multiprobe selftests/ftrace: Add syntax error test for immediates selftests/ftrace: Add a testcase for kprobe multiprobe event ...
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git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linuxLinus Torvalds authored
Pull kgdb updates from Daniel Thompson: "It has been a quiet dev cycle for kgdb. There has been some good stuff for kdb on the mailing list but unfortunately the patches caused a couple of problems with the kdb pager so I had to drop those and they will have to wait for next time! That just leaves us with just a couple of very tiny clean ups for now: - Fix a broken comment - Use str_has_prefix() for the grep "pipe" in kdb" * tag 'kgdb-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux: kgdb: fix comment regarding static function kdb: Replace strncmp with str_has_prefix
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Linus Torvalds authored
Kbuild now complains (rightly) about it. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuildLinus Torvalds authored
Pull Kbuild updates from Masahiro Yamada: - add modpost warn exported symbols marked as 'static' because 'static' and EXPORT_SYMBOL is an odd combination - break the build early if gold linker is used - optimize the Bison rule to produce .c and .h files by a single pattern rule - handle PREEMPT_RT in the module vermagic and UTS_VERSION - warn CONFIG options leaked to the user-space except existing ones - make single targets work properly - rebuild modules when module linker scripts are updated - split the module final link stage into scripts/Makefile.modfinal - fix the missed error code in merge_config.sh - improve the error message displayed on the attempt of the O= build in unclean source tree - remove 'clean-dirs' syntax - disable -Wimplicit-fallthrough warning for Clang - add CONFIG_CC_OPTIMIZE_FOR_SIZE_O3 for ARC - remove ARCH_{CPP,A,C}FLAGS variables - add $(BASH) to run bash scripts - change *CFLAGS_<basetarget>.o to take the relative path to $(obj) instead of the basename - stop suppressing Clang's -Wunused-function warnings when W=1 - fix linux/export.h to avoid genksyms calculating CRC of trimmed exported symbols - misc cleanups * tag 'kbuild-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (63 commits) genksyms: convert to SPDX License Identifier for lex.l and parse.y modpost: use __section in the output to *.mod.c modpost: use MODULE_INFO() for __module_depends export.h, genksyms: do not make genksyms calculate CRC of trimmed symbols export.h: remove defined(__KERNEL__), which is no longer needed kbuild: allow Clang to find unused static inline functions for W=1 build kbuild: rename KBUILD_ENABLE_EXTRA_GCC_CHECKS to KBUILD_EXTRA_WARN kbuild: refactor scripts/Makefile.extrawarn merge_config.sh: ignore unwanted grep errors kbuild: change *FLAGS_<basetarget>.o to take the path relative to $(obj) modpost: add NOFAIL to strndup modpost: add guid_t type definition kbuild: add $(BASH) to run scripts with bash-extension kbuild: remove ARCH_{CPP,A,C}FLAGS kbuild,arc: add CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE_O3 for ARC kbuild: Do not enable -Wimplicit-fallthrough for clang for now kbuild: clean up subdir-ymn calculation in Makefile.clean kbuild: remove unneeded '+' marker from cmd_clean kbuild: remove clean-dirs syntax kbuild: check clean srctree even earlier ...
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- 19 Sep, 2019 25 commits
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git://anongit.freedesktop.org/drm/drmLinus Torvalds authored
Pull drm updates from Dave Airlie: "This is the main pull request for 5.4-rc1 merge window. I don't think there is anything outstanding so next week should just be fixes, but we'll see if I missed anything. I landed some fixes earlier in the week but got delayed writing summary and sending it out, due to a mix of sick kid and jetlag! There are some fixes pending, but I'd rather get the main merge out of the way instead of delaying it longer. It's also pretty large in commit count and new amd header file size. The largest thing is four new amdgpu products (navi12/14, arcturus and renoir APU support). Otherwise it's pretty much lots of work across the board, i915 has started landing tigerlake support, lots of icelake fixes and lots of locking reworking for future gpu support, lots of header file rework (drmP.h is nearly gone), some old legacy hacks (DRM_WAIT_ON) have been put into the places they are needed. uapi: - content protection type property for HDCP core: - rework include dependencies - lots of drmP.h removals - link rate calculation robustness fix - make fb helper map only when required - add connector->DDC adapter link - DRM_WAIT_ON removed - drop DRM_AUTH usage from drivers dma-buf: - reservation object fence helper dma-fence: - shrink dma_fence struct - merge signal functions - store timestamps in dma_fence - selftests ttm: - embed drm_get_object struct into ttm_buffer_object - release_notify callback bridges: - sii902x - audio graph card support - tc358767 - aux data handling rework - ti-snd64dsi86 - debugfs support, DSI mode flags support panels: - Support for GiantPlus GPM940B0, Sharp LQ070Y3DG3B, Ortustech COM37H3M, Novatek NT39016, Sharp LS020B1DD01D, Raydium RM67191, Boe Himax8279d, Sharp LD-D5116Z01B - TI nspire, NEC NL8048HL11, LG Philips LB035Q02, Sharp LS037V7DW01, Sony ACX565AKM, Toppoly TD028TTEC1 Toppoly TD043MTEA1 i915: - Initial tigerlake platform support - Locking simplification work, general all over refactoring. - Selftests - HDCP debug info improvements - DSI properties - Icelake display PLL fixes, colorspace fixes, bandwidth fixes, DSI suspend/resume - GuC fixes - Perf fixes - ElkhartLake enablement - DP MST fixes - GVT - command parser enhancements amdgpu: - add wipe memory on release flag for buffer creation - Navi12/14 support (may be marked experimental) - Arcturus support - Renoir APU support - mclk DPM for Navi - DC display fixes - Raven scatter/gather support - RAS support for GFX - Navi12 + Arcturus power features - GPU reset for Picasso - smu11 i2c controller support amdkfd: - navi12/14 support - Arcturus support radeon: - kexec fix nouveau: - improved display color management - detect lack of GPU power cables vmwgfx: - evicition priority support - remove unused security feature msm: - msm8998 display support - better async commit support for cursor updates etnaviv: - per-process address space support - performance counter fixes - softpin support mcde: - DCS transfers fix exynos: - drmP.h cleanup lima: - reduce logging kirin: - misc clenaups komeda: - dual-link support - DT memory regions hisilicon: - misc fixes imx: - IPUv3 image converter fixes - 32-bit RGB V4L2 pixel format support ingenic: - more support for panel related cases mgag200: - cursor support fix panfrost: - export GPU features register to userspace - gpu heap allocations - per-fd address space support pl111: - CLD pads wiring support removed from DT rockchip: - rework to use DRM PSR helpers - fix bug in VOP_WIN_GET macro - DSI DT binding rework sun4i: - improve support for color encoding and range - DDC enabled GPIO tinydrm: - rework SPI support - improve MIPI-DBI support - moved to drm/tiny vkms: - rework CRC tracking dw-hdmi: - get_eld and i2s improvements gm12u320: - misc fixes meson: - global code cleanup - vpu feature detect omap: - alpha/pixel blend mode properties rcar-du: - misc fixes" * tag 'drm-next-2019-09-18' of git://anongit.freedesktop.org/drm/drm: (2112 commits) drm/nouveau/bar/gm20b: Avoid BAR1 teardown during init drm/nouveau: Fix ordering between TTM and GEM release drm/nouveau/prime: Extend DMA reservation object lock drm/nouveau: Fix fallout from reservation object rework drm/nouveau/kms/nv50-: Don't create MSTMs for eDP connectors drm/i915: Use NOEVICT for first pass on attemping to pin a GGTT mmap drm/i915: to make vgpu ppgtt notificaiton as atomic operation drm/i915: Flush the existing fence before GGTT read/write drm/i915: Hold irq-off for the entire fake lock period drm/i915/gvt: update RING_START reg of vGPU when the context is submitted to i915 drm/i915/gvt: update vgpu workload head pointer correctly drm/mcde: Fix DSI transfers drm/msm: Use the correct dma_sync calls harder drm/msm: remove unlikely() from WARN_ON() conditions drm/msm/dsi: Fix return value check for clk_get_parent drm/msm: add atomic traces drm/msm/dpu: async commit support drm/msm: async commit support drm/msm: split power control from prepare/complete_commit drm/msm: add kms->flush_commit() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlLinus Torvalds authored
Pull pin control updates from Linus Walleij: "This is the bulk of pin control changes for the v5.4 kernel cycle: Core changes: - Fix errors in example code in the documentation. New drivers: - Add support for JZ4760, JZ4760B, X1000, X1000E and X1500 to the Ingenic driver. - Support Cirrus Logic Madera CS47L92 and CS47L15. - Support Allwinner Sunxi V3S. - Support Aspeed 2600 BMC. - Support Qualcomm SC7180. - Support Marvell MVEBU CS115. Driver improvements: - Clean up a few drivers to use the devm_platform_ioremap_resource() helper. - Pass the irqchip when registering the gpio_chip in some pin controllers that are also GPIO controllers. - Support suspend/resume in the Tegra driver. - Support pull-up on the Broadcom BCM2711. - The Intel driver can now request locked pads. - Fix the UFS reset pin in the Qualcomm SDM845 driver" * tag 'pinctrl-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (112 commits) pinctrl: meson-gxbb: Fix wrong pinning definition for uart_c pinctrl: sh-pfc: Unlock on error in sh_pfc_func_set_mux() pinctrl: bcm: remove redundant assignment to pointer log pinctrl: iproc: Add 'get_direction' support pinctrl: iproc-gpio: Handle interrupts for multiple instances pinctrl: iproc-gpio: Fix incorrect pinconf configurations pinctrl: intel: mark intel_pin_to_gpio __maybe_unused pinctrl: qcom: sdm845: Fix UFS_RESET pin pinctrl: mvebu: add additional variant for standalone CP115 pinctrl: mvebu: Add CP110 missing pin functionality dt-bindings: cp110: document the new CP115 pinctrl compatible pinctrl: bcm2835: Pass irqchip when adding gpiochip pinctrl: meson: meson: Add of_node_put() before return pinctrl/gpio: Take MUX usage into account dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150l support dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150b support dt-bindings: pinctrl: qcom-pmic-gpio: Add pm8150 support pinctrl: amd: disable spurious-firing GPIO IRQs pinctrl: rza2: Include the appropriate headers pinctrl: rza2: Drop driver use of consumer flags ...
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Linus Torvalds authored
Merge tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Benson Leung: "CrOS EC / MFD Migration: - Move cros_ec core driver from mfd into chrome platform. Wilco EC: - Add batt_ppid_info command to Wilco telemetry driver. CrOS EC: - cros_ec_rpmsg : Add support to inform EC of suspend/resume status - cros_ec_rpmsg : Fix race condition on probe failed - cros_ec_chardev : Add a poll handler to receive MKBP events Misc: - bugfixes in cros_usbpd_logger and cros_ec_ishtp" * tag 'tag-chrome-platform-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: cros_usbpd_logger: null check create_singlethread_workqueue platform/chrome: cros_ec_chardev: Add a poll handler to receive MKBP events platform/chrome: cros_ec_rpmsg: Fix race with host command when probe failed platform/chrome: chromeos_tbmc: Report wake events mfd: cros_ec: Use mfd_add_hotplug_devices() helper mfd: cros_ec: Add convenience struct to define autodetectable CrOS EC subdevices mfd: cros_ec: Add convenience struct to define dedicated CrOS EC MCUs mfd: cros_ec: Use kzalloc and cros_ec_cmd_xfer_status helper mfd / platform: cros_ec: Reorganize platform and mfd includes mfd / platform: cros_ec: Rename config to a better name mfd: cros_ec: Switch to use the new cros-ec-chardev driver mfd / platform: cros_ec: Miscellaneous character device to talk with the EC mfd / platform: cros_ec: Move cros-ec core driver out from MFD mfd / platform: cros_ec: Handle chained ECs as platform devices platform/chrome: cros_ec_rpmsg: Add host command AP sleep state support platform/chrome: chromeos_laptop: drop checks of NULL-safe functions platform/chrome: wilco_ec: Add batt_ppid_info command to telemetry driver
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input updates from Dmitry Torokhov: - input core allows hardware drivers to specify a [more precise] timestamp (normally taken in top half) to better track velocity of contacts - input_dev instances now support "polling" mode so that drivers could use the same object for polled and interrupt-driven operation. The plan is to convert existing drivers and retire input_polled_dev API - a new driver for the FlySky FS-iA6B RC receiver - a refresh of BU21013 touchpad driver - w90x900 keyboard and touchpad drivers are removed as the platform is gone - assorted fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (45 commits) Input: sidewinder - make array seq static const, makes object smaller Input: reset device timestamp on sync Input: bu21013_ts - switch to using standard touchscreen properties Input: bu21013_ts - switch to using MT-B (slotted) protocol Input: bu21013_ts - fix suspend when wake source Input: bu21013_ts - use interrupt from I2C client Input: bu21013_ts - remove support for platform data Input: bu21013_ts - convert to using managed resources Input: bu21013_ts - remove useless comments Input: bu21013_ts - annotate supend/resume methods as __maybe_unused Input: bu21013_ts - rename some variables Input: bu21013_ts - convert to use GPIO descriptors ARM: ux500: improve BU21013 touchpad bindings Input: i8042 - enable wakeup on a stable struct device Input: soc_button_array - use platform_device_register_resndata() Input: psmouse - drop all unneeded functions from mouse headers Input: add support for polling to input devices Input: wacom_w8001 - allocate additional space for 'phys' Input: cros_ec_keyb - add back missing mask for event_type Input: remove dev_err() usage after platform_get_irq() ...
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git://github.com/cminyard/linux-ipmiLinus Torvalds authored
Pull IPMI updates from Corey Minyard: "A few minor fixes and some cosmetic changes. Nothing big here, but some minor things that people have found and some minor reworks for names and include files" * tag 'for-linus-5.4-1' of git://github.com/cminyard/linux-ipmi: ipmi_si_intf: Fix race in timer shutdown handling ipmi: move message error checking to avoid deadlock ipmi_ssif: avoid registering duplicate ssif interface ipmi: Free receive messages when in an oops ipmi_si: Only schedule continuously in the thread in maintenance mode ipmi_si: Remove ipmi_ from the device attr names ipmi_si: Convert device attr permissions to octal ipmi_si: Rework some include files ipmi_si: Convert timespec64 to timespec
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git://git.linaro.org/landing-teams/working/fujitsu/integrationLinus Torvalds authored
Pull mailbox updates from Jassi Brar: - qcom: - enable support for ipq8074, sm1850 and sm7180 - add child device node for qcs404 - misc fixes - mediatek: - enable support for mt8183 - misc rejig of cmdq driver - new client-reg dt property - armada: - use device-managed registration api * tag 'mailbox-v5.4' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: qcom-apcs: fix max_register value mailbox: qcom: Add support for IPQ8074 APCS dt-bindings: mailbox: qom: Add ipq8074 APPS compatible mailbox: qcom: Add support for Qualcomm SM8150 and SC7180 SoCs dt-bindings: mailbox: Add APSS shared for SM8150 and SC7180 SoCs mbox: qcom: replace integer with valid macro mbox: qcom: add APCS child device for QCS404 mailbox: mediatek: cmdq: clear the event in cmdq initial flow mailbox: mediatek: cmdq: support mt8183 gce function mailbox: mediatek: cmdq: move the CMDQ_IRQ_MASK into cmdq driver data dt-binding: gce: add binding for gce client reg property dt-binding: gce: add gce header file for mt8183 dt-binding: gce: remove thread-num property mailbox: armada-37xx-rwtm: Use device-managed registration API
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linuxLinus Torvalds authored
Pull Devicetree updates from Rob Herring: - a bunch of DT binding conversions to DT schema format - clean-ups of the Arm idle-states binding - support a default number of cells in of_for_each_phandle() when the cells name is missing - expose dtbs_check and dt_binding_check in the make help - convert writting-schema.md to ReST - HiSilicon reset controller binding updates - add documentation for MT8516 RNG * tag 'devicetree-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (46 commits) of: restore old handling of cells_name=NULL in of_*_phandle_with_args() bus: qcom: fix spelling mistake "ambigous" -> "ambiguous" of: Let of_for_each_phandle fallback to non-negative cell_count iommu: pass cell_count = -1 to of_for_each_phandle with cells_name dt-bindings: arm: Convert Realtek board/soc bindings to json-schema dt-bindings: arm: Convert Actions Semi bindings to jsonschema dt-bindings: Correct spelling in example schema dt-bindings: cpu: Add a support cpu type for cortex-a55 dt-bindings: gpu: mali-midgard: Add samsung exynos5250 compatible dt-bindings: arm: idle-states: Move exit-latency-us explanation dt-bindings: arm: idle-states: Add punctuation to improve readability dt-bindings: arm: idle-states: Correct "constraint guarantees" dt-bindings: arm: idle-states: Correct references to wake-up delay dt-bindings: arm: idle-states: Use "e.g." and "i.e." consistently pinctrl-mcp23s08: Fix property-name in dt-example dt-bindings: Clarify interrupts-extended usage dt-bindings: Convert Arm Mali Utgard GPU to DT schema dt-bindings: Convert Arm Mali Bifrost GPU to DT schema dt-bindings: Convert Arm Mali Midgard GPU to DT schema dt-bindings: irq: Convert Allwinner NMI Controller to a schema ...
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git://git.infradead.org/users/hch/dma-mappingLinus Torvalds authored
Pull dma-mapping updates from Christoph Hellwig: - add dma-mapping and block layer helpers to take care of IOMMU merging for mmc plus subsequent fixups (Yoshihiro Shimoda) - rework handling of the pgprot bits for remapping (me) - take care of the dma direct infrastructure for swiotlb-xen (me) - improve the dma noncoherent remapping infrastructure (me) - better defaults for ->mmap, ->get_sgtable and ->get_required_mask (me) - cleanup mmaping of coherent DMA allocations (me) - various misc cleanups (Andy Shevchenko, me) * tag 'dma-mapping-5.4' of git://git.infradead.org/users/hch/dma-mapping: (41 commits) mmc: renesas_sdhi_internal_dmac: Add MMC_CAP2_MERGE_CAPABLE mmc: queue: Fix bigger segments usage arm64: use asm-generic/dma-mapping.h swiotlb-xen: merge xen_unmap_single into xen_swiotlb_unmap_page swiotlb-xen: simplify cache maintainance swiotlb-xen: use the same foreign page check everywhere swiotlb-xen: remove xen_swiotlb_dma_mmap and xen_swiotlb_dma_get_sgtable xen: remove the exports for xen_{create,destroy}_contiguous_region xen/arm: remove xen_dma_ops xen/arm: simplify dma_cache_maint xen/arm: use dev_is_dma_coherent xen/arm: consolidate page-coherent.h xen/arm: use dma-noncoherent.h calls for xen-swiotlb cache maintainance arm: remove wrappers for the generic dma remap helpers dma-mapping: introduce a dma_common_find_pages helper dma-mapping: always use VM_DMA_COHERENT for generic DMA remap vmalloc: lift the arm flag for coherent mappings to common code dma-mapping: provide a better default ->get_required_mask dma-mapping: remove the dma_declare_coherent_memory export remoteproc: don't allow modular build ...
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git://git.infradead.org/users/hch/configfsLinus Torvalds authored
Pull configfs updates from Christoph Hellwig: - fix a symlink deadlock (Al Viro) - various cleanups (Al Viro, me) * tag 'configfs-for-5.4' of git://git.infradead.org/users/hch/configfs: configfs: calculate the symlink target only once configfs: make configfs_create() return inode configfs: factor dirent removal into helpers configfs: fix a deadlock in configfs_symlink()
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Brian Cain authored
Signed-off-by: Brian Cain <bcain@codeaurora.org> Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull cifs updates from Steve French: "Various cifs/smb3 fixes (including for share deleted cases) and features including improved encrypted read performance, and various debugging improvements. Note that since I am at a test event this week with the Samba team, and at the annual Storage Developer Conference/SMB3 Plugfest test event next week a higher than usual number of fixes is expected later next week as other features in progress get additional testing and review during these two events" * tag '5.4-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: (38 commits) cifs: update internal module version number cifs: modefromsid: write mode ACE first cifs: cifsroot: add more err checking smb3: add missing worker function for SMB3 change notify cifs: Add support for root file systems cifs: modefromsid: make room for 4 ACE smb3: fix potential null dereference in decrypt offload smb3: fix unmount hang in open_shroot smb3: allow disabling requesting leases smb3: improve handling of share deleted (and share recreated) smb3: display max smb3 requests in flight at any one time smb3: only offload decryption of read responses if multiple requests cifs: add a helper to find an existing readable handle to a file smb3: enable offload of decryption of large reads via mount option smb3: allow parallelizing decryption of reads cifs: add a debug macro that prints \\server\share for errors smb3: fix signing verification of large reads smb3: allow skipping signature verification for perf sensitive configurations smb3: add dynamic tracepoints for flush and close smb3: log warning if CSC policy conflicts with cache mount option ...
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git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linuxLinus Torvalds authored
Pull orangefs updates from Mike Marshall: "A fix and a cleanup. The fix: way back in the stone age (2003) mode was set to the magic number "755" in what is now fs/orangefs/namei.c(orangefs_symlink). Łukasz Wrochna reported it and Artur Świgoń sent in a patch to change it to octal. Maybe it shouldn't be a magic number at all but rather something like "S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH"... cleanup: Colin Ian King found a redundant assignment and sent in a patch to remove it" [ And no, octal numbers for permissions are a lot more legible than a binary 'or' of some line noise macros. So 0755 is preferred over trying to spell it out using "helpful" macros - Linus ] * tag 'for-linus-5.4-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux: orangefs: remove redundant assignment to err orangefs: Add octal zero prefix
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull autofs updates from Al Viro: "The most interesting part here is getting rid of the last trylock loop on dentry->d_lock. The ones in fs/dcache.c had been dealt with several years ago, but there'd been leftovers in fs/autofs/expire.c" * 'work.autofs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: autofs_lookup(): hold ->d_lock over playing with ->d_flags get rid of autofs_info->active_count autofs: simplify get_next_positive_...(), get rid of trylocks
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull misc mount API conversions from Al Viro: "Conversions to new API for shmem and friends and for mount_mtd()-using filesystems. As for the rest of the mount API conversions in -next, some of them belong in the individual trees (e.g. binderfs one should definitely go through android folks, after getting redone on top of their changes). I'm going to drop those and send the rest (trivial ones + stuff ACKed by maintainers) in a separate series - by that point they are independent from each other. Some stuff has already migrated into individual trees (NFS conversion, for example, or FUSE stuff, etc.); those presumably will go through the regular merges from corresponding trees." * 'work.mount2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: vfs: Make fs_parse() handle fs_param_is_fd-type params better vfs: Convert ramfs, shmem, tmpfs, devtmpfs, rootfs to use the new mount API shmem_parse_one(): switch to use of fs_parse() shmem_parse_options(): take handling a single option into a helper shmem_parse_options(): don't bother with mpol in separate variable shmem_parse_options(): use a separate structure to keep the results make shmem_fill_super() static make ramfs_fill_super() static devtmpfs: don't mix {ramfs,shmem}_fill_super() with mount_single() vfs: Convert squashfs to use the new mount API mtd: Kill mount_mtd() vfs: Convert jffs2 to use the new mount API vfs: Convert cramfs to use the new mount API vfs: Convert romfs to use the new mount API vfs: Add a single-or-reconfig keying to vfs_get_super()
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git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playgroundLinus Torvalds authored
Pull y2038 vfs updates from Arnd Bergmann: "Add inode timestamp clamping. This series from Deepa Dinamani adds a per-superblock minimum/maximum timestamp limit for a file system, and clamps timestamps as they are written, to avoid random behavior from integer overflow as well as having different time stamps on disk vs in memory. At mount time, a warning is now printed for any file system that can represent current timestamps but not future timestamps more than 30 years into the future, similar to the arbitrary 30 year limit that was added to settimeofday(). This was picked as a compromise to warn users to migrate to other file systems (e.g. ext4 instead of ext3) when they need the file system to survive beyond 2038 (or similar limits in other file systems), but not get in the way of normal usage" * tag 'y2038-vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground: ext4: Reduce ext4 timestamp warnings isofs: Initialize filesystem timestamp ranges pstore: fs superblock limits fs: omfs: Initialize filesystem timestamp ranges fs: hpfs: Initialize filesystem timestamp ranges fs: ceph: Initialize filesystem timestamp ranges fs: sysv: Initialize filesystem timestamp ranges fs: affs: Initialize filesystem timestamp ranges fs: fat: Initialize filesystem timestamp ranges fs: cifs: Initialize filesystem timestamp ranges fs: nfs: Initialize filesystem timestamp ranges ext4: Initialize timestamps limits 9p: Fill min and max timestamps in sb fs: Fill in max and min timestamps in superblock utimes: Clamp the timestamps before update mount: Add mount warning for impending timestamp expiry timestamp_truncate: Replace users of timespec64_trunc vfs: Add timestamp_truncate() api vfs: Add file timestamp range support
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Masami Hiramatsu authored
Update kprobe event error testcase to test if it correctly finds the exact same probe event. Link: http://lkml.kernel.org/r/156879695513.31056.1580235733738840126.stgit@devnote2Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Masami Hiramatsu authored
Reject exactly same probe events as existing probes. Multiprobe allows user to define multiple probes on same event. If user appends a probe which exactly same definition (same probe address and same arguments) on existing event, the event will record same probe information twice. That can be confusing users, so reject it. Link: http://lkml.kernel.org/r/156879694602.31056.5533024778165036763.stgit@devnote2Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Masami Hiramatsu authored
Fix to allow user to enable probe events on unloaded modules. This operations was allowed before commit 60d53e2c ("tracing/probe: Split trace_event related data from trace_probe"), because if users need to probe module init functions, they have to enable those probe events before loading module. Link: http://lkml.kernel.org/r/156879693733.31056.9331322616994665167.stgit@devnote2 Cc: stable@vger.kernel.org Fixes: 60d53e2c ("tracing/probe: Split trace_event related data from trace_probe") Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Uwe Kleine-König authored
Before commit e42ee610 ("of: Let of_for_each_phandle fallback to non-negative cell_count") the iterator functions calling of_for_each_phandle assumed a cell count of 0 if cells_name was NULL. This corner case was missed when implementing the fallback logic in e42ee610 and resulted in an endless loop. Restore the old behaviour of of_count_phandle_with_args() and of_parse_phandle_with_args() and add a check to of_phandle_iterator_init() to prevent a similar failure as a safety precaution. of_parse_phandle_with_args_map() doesn't need a similar fix as cells_name isn't NULL there. Affected drivers are: - drivers/base/power/domain.c - drivers/base/power/domain.c - drivers/clk/ti/clk-dra7-atl.c - drivers/hwmon/ibmpowernv.c - drivers/i2c/muxes/i2c-demux-pinctrl.c - drivers/iommu/mtk_iommu.c - drivers/net/ethernet/freescale/fman/mac.c - drivers/opp/of.c - drivers/perf/arm_dsu_pmu.c - drivers/regulator/of_regulator.c - drivers/remoteproc/imx_rproc.c - drivers/soc/rockchip/pm_domains.c - sound/soc/fsl/imx-audmix.c - sound/soc/fsl/imx-audmix.c - sound/soc/meson/axg-card.c - sound/soc/samsung/tm2_wm5110.c - sound/soc/samsung/tm2_wm5110.c Thanks to Geert Uytterhoeven for reporting the issue, Peter Rosin for helping pinpoint the actual problem and the testers for confirming this fix. Fixes: e42ee610 ("of: Let of_for_each_phandle fallback to non-negative cell_count") Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Rob Herring <robh@kernel.org>
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Aneesh Kumar K.V authored
__find_linux_mm_pte() returns a page table entry pointer after walking the page table without holding locks. To make it safe against a THP split and/or collapse, we disable interrupts around the lockless page table walk. However we need to keep interrupts disabled as long as we use the page table entry pointer that is returned. Fix addr_to_pfn() to do that. Fixes: ba41e1e1 ("powerpc/mce: Hookup derror (load/store) UE errors") Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> [mpe: Rearrange code slightly and tweak change log wording] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20190918145328.28602-1-aneesh.kumar@linux.ibm.com
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull xfs updates from Darrick Wong: "For this cycle we have the usual pile of cleanups and bug fixes, some performance improvements for online metadata scrubbing, massive speedups in the directory entry creation code, some performance improvement in the file ACL lookup code, a fix for a logging stall during mount, and fixes for concurrency problems. It has survived a couple of weeks of xfstests runs and merges cleanly. Summary: - Remove KM_SLEEP/KM_NOSLEEP. - Ensure that memory buffers for IO are properly sector-aligned to avoid problems that the block layer doesn't check. - Make the bmap scrubber more efficient in its record checking. - Don't crash xfs_db when superblock inode geometry is corrupt. - Fix btree key helper functions. - Remove unneeded error returns for things that can't fail. - Fix buffer logging bugs in repair. - Clean up iterator return values. - Speed up directory entry creation. - Enable allocation of xattr value memory buffer during lookup. - Fix readahead racing with truncate/punch hole. - Other minor cleanups. - Fix one AGI/AGF deadlock with RENAME_WHITEOUT. - More BUG -> WARN whackamole. - Fix various problems with the log failing to advance under certain circumstances, which results in stalls during mount" * tag 'xfs-5.4-merge-7' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (45 commits) xfs: push the grant head when the log head moves forward xfs: push iclog state cleaning into xlog_state_clean_log xfs: factor iclog state processing out of xlog_state_do_callback() xfs: factor callbacks out of xlog_state_do_callback() xfs: factor debug code out of xlog_state_do_callback() xfs: prevent CIL push holdoff in log recovery xfs: fix missed wakeup on l_flush_wait xfs: push the AIL in xlog_grant_head_wake xfs: Use WARN_ON_ONCE for bailout mount-operation xfs: Fix deadlock between AGI and AGF with RENAME_WHITEOUT xfs: define a flags field for the AG geometry ioctl structure xfs: add a xfs_valid_startblock helper xfs: remove the unused XFS_ALLOC_USERDATA flag xfs: cleanup xfs_fsb_to_db xfs: fix the dax supported check in xfs_ioctl_setattr_dax_invalidate xfs: Fix stale data exposure when readahead races with hole punch fs: Export generic_fadvise() mm: Handle MADV_WILLNEED through vfs_fadvise() xfs: allocate xattr buffer on demand xfs: consolidate attribute value copying ...
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git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds authored
Pull swap access updates from Darrick Wong: "Prohibit writing to active swap files and swap partitions. There's no non-malicious use case for allowing userspace to scribble on storage that the kernel thinks it owns" * tag 'vfs-5.4-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: vfs: don't allow writes to swap files mm: set S_SWAPFILE on blockdev swap devices
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfsLinus Torvalds authored
Pull overlayfs fixes from Miklos Szeredi: "Fix a regression in docker introduced by overlayfs changes in 4.19. Also fix a couple of miscellaneous bugs" * tag 'ovl-fixes-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: filter of trusted xattr results in audit ovl: Fix dereferencing possible ERR_PTR() ovl: fix regression caused by overlapping layers detection
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs updates from David Sterba: "This continues with work on code refactoring, sanity checks and space handling. There are some less user visible changes, nothing that would particularly stand out. User visible changes: - tree checker, more sanity checks of: - ROOT_ITEM (key, size, generation, level, alignment, flags) - EXTENT_ITEM and METADATA_ITEM checks (key, size, offset, alignment, refs) - tree block reference items - EXTENT_DATA_REF (key, hash, offset) - deprecate flag BTRFS_SUBVOL_CREATE_ASYNC for subvolume creation ioctl, scheduled removal in 5.7 - delete stale and unused UAPI definitions BTRFS_DEV_REPLACE_ITEM_STATE_* - improved export of debugging information available via existing sysfs directory structure - try harder to delete relations between qgroups and allow to delete orphan entries - remove unreliable space checks before relocation starts Core: - space handling: - improved ticket reservations and other high level logic in order to remove special cases - factor flushing infrastructure and use it for different contexts, allows to remove some special case handling - reduce metadata reservation when only updating inodes - reduce global block reserve minimum size (affects small filesystems) - improved overcommit logic wrt global block reserve - tests: - fix memory leaks in extent IO tree - catch all TRIM range Fixes: - fix ENOSPC errors, leading to transaction aborts, when cloning extents - several fixes for inode number cache (mount option inode_cache) - fix potential soft lockups during send when traversing large trees - fix unaligned access to space cache pages with SLUB debug on (PowerPC) Other: - refactoring public/private functions, moving to new or more appropriate files - defines converted to enums - error handling improvements - more assertions and comments - old code deletion" * tag 'for-5.4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (138 commits) btrfs: Relinquish CPUs in btrfs_compare_trees btrfs: Don't assign retval of btrfs_try_tree_write_lock/btrfs_tree_read_lock_atomic btrfs: create structure to encode checksum type and length btrfs: turn checksum type define into an enum btrfs: add enospc debug messages for ticket failure btrfs: do not account global reserve in can_overcommit btrfs: use btrfs_try_granting_tickets in update_global_rsv btrfs: always reserve our entire size for the global reserve btrfs: change the minimum global reserve size btrfs: rename btrfs_space_info_add_old_bytes btrfs: remove orig_bytes from reserve_ticket btrfs: fix may_commit_transaction to deal with no partial filling btrfs: rework wake_all_tickets btrfs: refactor the ticket wakeup code btrfs: stop partially refilling tickets when releasing space btrfs: add space reservation tracepoint for reserved bytes btrfs: roll tracepoint into btrfs_space_info_update helper btrfs: do not allow reservations if we have pending tickets btrfs: stop clearing EXTENT_DIRTY in inode I/O tree btrfs: treat RWF_{,D}SYNC writes as sync for CRCs ...
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fsLinus Torvalds authored
Pull AFS updates from David Howells: "Here's a set of patches for AFS. The first three are trivial, deleting unused symbols and rolling out a wrapper function. The fourth and fifth patches make use of the previously added RCU-safe request_key facility to allow afs_permission() and afs_d_revalidate() to attempt to operate without dropping out of RCU-mode pathwalk. Under certain conditions, such as conflict with another client, we still have to drop out anyway, take a lock and consult the server" * tag 'afs-next-20190915' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: afs: Support RCU pathwalk afs: Provide an RCU-capable key lookup afs: Use afs_extract_discard() rather than iov_iter_discard() afs: remove unused variable 'afs_zero_fid' afs: remove unused variable 'afs_voltypes'
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- 18 Sep, 2019 4 commits
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git://git.kernel.org/pub/scm/fs/fscrypt/fscryptLinus Torvalds authored
Pull fs-verity support from Eric Biggers: "fs-verity is a filesystem feature that provides Merkle tree based hashing (similar to dm-verity) for individual readonly files, mainly for the purpose of efficient authenticity verification. This pull request includes: (a) The fs/verity/ support layer and documentation. (b) fs-verity support for ext4 and f2fs. Compared to the original fs-verity patchset from last year, the UAPI to enable fs-verity on a file has been greatly simplified. Lots of other things were cleaned up too. fs-verity is planned to be used by two different projects on Android; most of the userspace code is in place already. Another userspace tool ("fsverity-utils"), and xfstests, are also available. e2fsprogs and f2fs-tools already have fs-verity support. Other people have shown interest in using fs-verity too. I've tested this on ext4 and f2fs with xfstests, both the existing tests and the new fs-verity tests. This has also been in linux-next since July 30 with no reported issues except a couple minor ones I found myself and folded in fixes for. Ted and I will be co-maintaining fs-verity" * tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: f2fs: add fs-verity support ext4: update on-disk format documentation for fs-verity ext4: add fs-verity read support ext4: add basic fs-verity support fs-verity: support builtin file signatures fs-verity: add SHA-512 support fs-verity: implement FS_IOC_MEASURE_VERITY ioctl fs-verity: implement FS_IOC_ENABLE_VERITY ioctl fs-verity: add data verification hooks for ->readpages() fs-verity: add the hook for file ->setattr() fs-verity: add the hook for file ->open() fs-verity: add inode and superblock fields fs-verity: add Kconfig and the helper functions for hashing fs: uapi: define verity bit for FS_IOC_GETFLAGS fs-verity: add UAPI header fs-verity: add MAINTAINERS file entry fs-verity: add a documentation file
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git://git.kernel.org/pub/scm/fs/fscrypt/fscryptLinus Torvalds authored
Pull fscrypt updates from Eric Biggers: "This is a large update to fs/crypto/ which includes: - Add ioctls that add/remove encryption keys to/from a filesystem-level keyring. These fix user-reported issues where e.g. an encrypted home directory can break NetworkManager, sshd, Docker, etc. because they don't get access to the needed keyring. These ioctls also provide a way to lock encrypted directories that doesn't use the vm.drop_caches sysctl, so is faster, more reliable, and doesn't always need root. - Add a new encryption policy version ("v2") which switches to a more standard, secure, and flexible key derivation function, and starts verifying that the correct key was supplied before using it. The key derivation improvement is needed for its own sake as well as for ongoing feature work for which the current way is too inflexible. Work is in progress to update both Android and the 'fscrypt' userspace tool to use both these features. (Working patches are available and just need to be reviewed+merged.) Chrome OS will likely use them too. This has also been tested on ext4, f2fs, and ubifs with xfstests -- both the existing encryption tests, and the new tests for this. This has also been in linux-next since Aug 16 with no reported issues. I'm also using an fscrypt v2-encrypted home directory on my personal desktop" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: (27 commits) ext4 crypto: fix to check feature status before get policy fscrypt: document the new ioctls and policy version ubifs: wire up new fscrypt ioctls f2fs: wire up new fscrypt ioctls ext4: wire up new fscrypt ioctls fscrypt: require that key be added when setting a v2 encryption policy fscrypt: add FS_IOC_REMOVE_ENCRYPTION_KEY_ALL_USERS ioctl fscrypt: allow unprivileged users to add/remove keys for v2 policies fscrypt: v2 encryption policy support fscrypt: add an HKDF-SHA512 implementation fscrypt: add FS_IOC_GET_ENCRYPTION_KEY_STATUS ioctl fscrypt: add FS_IOC_REMOVE_ENCRYPTION_KEY ioctl fscrypt: add FS_IOC_ADD_ENCRYPTION_KEY ioctl fscrypt: rename keyinfo.c to keysetup.c fscrypt: move v1 policy key setup to keysetup_v1.c fscrypt: refactor key setup code in preparation for v2 policies fscrypt: rename fscrypt_master_key to fscrypt_direct_key fscrypt: add ->ci_inode to fscrypt_info fscrypt: use FSCRYPT_* definitions, not FS_* fscrypt: use FSCRYPT_ prefix for uapi constants ...
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git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linuxLinus Torvalds authored
Pull file locking updates from Jeff Layton: "Just a couple of minor bugfixes, a revision to a tracepoint to account for some earlier changes to the internals, and a patch to add a pr_warn message when someone tries to mount a filesystem with '-o mand' on a kernel that has that support disabled" * tag 'filelock-v5.4-1' of git://git.kernel.org/pub/scm/linux/kernel/git/jlayton/linux: locks: fix a memory leak bug in __break_lease() locks: print a warning when mount fails due to lack of "mand" support locks: Fix procfs output for file leases locks: revise generic_add_lease tracepoint
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs mount API infrastructure updates from Al Viro: "Infrastructure bits of mount API conversions. The rest is more of per-filesystem updates and that will happen in separate pull requests" * 'work.mount-base' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: mtd: Provide fs_context-aware mount_mtd() replacement vfs: Create fs_context-aware mount_bdev() replacement new helper: get_tree_keyed() vfs: set fs_context::user_ns for reconfigure
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