- 16 Nov, 2017 9 commits
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alex chen authored
ip_alloc_sem should be taken in ocfs2_get_block() when reading file in DIRECT mode to prevent concurrent access to extent tree with ocfs2_dio_end_io_write(), which may cause BUGON in the following situation: read file 'A' end_io of writing file 'A' vfs_read __vfs_read ocfs2_file_read_iter generic_file_read_iter ocfs2_direct_IO __blockdev_direct_IO do_blockdev_direct_IO do_direct_IO get_more_blocks ocfs2_get_block ocfs2_extent_map_get_blocks ocfs2_get_clusters ocfs2_get_clusters_nocache() ocfs2_search_extent_list return the index of record which contains the v_cluster, that is v_cluster > rec[i]->e_cpos. ocfs2_dio_end_io ocfs2_dio_end_io_write down_write(&oi->ip_alloc_sem); ocfs2_mark_extent_written ocfs2_change_extent_flag ocfs2_split_extent ... --> modify the rec[i]->e_cpos, resulting in v_cluster < rec[i]->e_cpos. BUG_ON(v_cluster < le32_to_cpu(rec->e_cpos)) [alex.chen@huawei.com: v3] Link: http://lkml.kernel.org/r/59EF3614.6050008@huawei.com Link: http://lkml.kernel.org/r/59EF3614.6050008@huawei.com Fixes: c15471f7 ("ocfs2: fix sparse file & data ordering issue in direct io") Signed-off-by:Alex Chen <alex.chen@huawei.com> Reviewed-by:
Jun Piao <piaojun@huawei.com> Reviewed-by:
Joseph Qi <jiangqi903@gmail.com> Reviewed-by:
Gang He <ghe@suse.com> Acked-by:
Changwei Ge <ge.changwei@h3c.com> Cc: Mark Fasheh <mfasheh@versity.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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alex chen authored
we should wait dio requests to finish before inode lock in ocfs2_setattr(), otherwise the following deadlock will happen: process 1 process 2 process 3 truncate file 'A' end_io of writing file 'A' receiving the bast messages ocfs2_setattr ocfs2_inode_lock_tracker ocfs2_inode_lock_full inode_dio_wait __inode_dio_wait -->waiting for all dio requests finish dlm_proxy_ast_handler dlm_do_local_bast ocfs2_blocking_ast ocfs2_generic_handle_bast set OCFS2_LOCK_BLOCKED flag dio_end_io dio_bio_end_aio dio_complete ocfs2_dio_end_io ocfs2_dio_end_io_write ocfs2_inode_lock __ocfs2_cluster_lock ocfs2_wait_for_mask -->waiting for OCFS2_LOCK_BLOCKED flag to be cleared, that is waiting for 'process 1' unlocking the inode lock inode_dio_end -->here dec the i_dio_count, but will never be called, so a deadlock happened. Link: http://lkml.kernel.org/r/59F81636.70508@huawei.comSigned-off-by: -
piaojun authored
Link: http://lkml.kernel.org/r/59C5D7D6.9050106@huawei.comSigned-off-by:
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Changwei Ge authored
When a node dies, other live nodes have to choose a new master for an existed lock resource mastered by the dead node. As for ocfs2/dlm implementation, this is done by function - dlm_move_lockres_to_recovery_list which marks those lock rsources as DLM_LOCK_RES_RECOVERING and manages them via a list from which DLM changes lock resource's master later. So without invoking dlm_move_lockres_to_recovery_list, no master will be choosed after dlm recovery accomplishment since no lock resource can be found through ::resource list. What's worse is that if DLM_LOCK_RES_RECOVERING is not marked for lock resources mastered a dead node, it will break up synchronization among nodes. So invoke dlm_move_lockres_to_recovery_list again. Fixs: 'commit ee8f7fcb ("ocfs2/dlm: continue to purge recovery lockres when recovery master goes down")' Link: http://lkml.kernel.org/r/63ADC13FD55D6546B7DECE290D39E373CED6E0F9@H3CMLB14-EX.srv.huawei-3com.comSigned-off-by:
Vitaly Mayatskih <v.mayatskih@gmail.com> Tested-by:
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piaojun authored
Link: http://lkml.kernel.org/r/59E064BB.8000005@huawei.comSigned-off-by:
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piaojun authored
destroy_workqueue() will do flushing work for us. Link: http://lkml.kernel.org/r/59E06476.3090502@huawei.comSigned-off-by:
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Guozhonghua authored
Link: http://lkml.kernel.org/r/71604351584F6A4EBAE558C676F37CA4D0743232@H3CMLB12-EX.srv.huawei-3com.comSigned-off-by:
guozhonghua <guozhonghua@h3c.com> Acked-by:
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Geert Uytterhoeven authored
The m32r Kconfig provides both CPU_BIG_ENDIAN and CPU_LITTLE_ENDIAN configuration options. As they are user-selectable and independent, this allows invalid configurations: - All m32r defconfigs build a big endian kernel, but CPU_BIG_ENDIAN is not set, causing compiler warnings like: include/linux/byteorder/big_endian.h:7:2: warning: #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN [-Wcpp] #warning inconsistent configuration, needs CONFIG_CPU_BIG_ENDIAN ^ - Since commit 5bdfca64 ("m32r: define CPU_BIG_ENDIAN"), building an allmodconfig or allyesconfig enables both CONFIG_CPU_BIG_ENDIAN and CONFIG_CPU_LITTLE_ENDIAN. While this did get rid of the warning above, both options are obviously mutually exclusive. Fix this by making only CPU_LITTLE_ENDIAN configurable by the user, as before, and by making sure exactly one of CPU_BIG_ENDIAN and CPU_LITTLE_ENDIAN is always enabled. Link: http://lkml.kernel.org/r/1509361505-18150-1-git-send-email-geert@linux-m68k.org Fixes: 5bdfca64 ("m32r: define CPU_BIG_ENDIAN") Signed-off-by:Geert Uytterhoeven <geert@linux-m68k.org> Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by:
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Maninder Singh authored
This patch provides 3 new arguments for bloat-o-meter 1) -c -> for all (showing function and data differently) 2) -d -> data 3) -t -> function output: ./scripts/bloat-o-meter -c "file1" "file2" add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-152 (-152) Function old new delta main 412 260 -152 Total: Before=548, After=396, chg -27.74% ########################################################## add/remove: 1/0 grow/shrink: 1/0 up/down: 84/0 (84) Data old new delta arr - 64 +64 backtrace 60 80 +20 Total: Before=109, After=193, chg +77.06% ########################################################## add/remove: 0/1 grow/shrink: 0/0 up/down: 0/-64 (-64) RO Data old new delta arr 64 - -64 Total: Before=68, After=4, chg -94.12% [maninder1.s@samsung.com: v1 -> v2] Link: http://lkml.kernel.org/r/1506569402-24787-1-git-send-email-maninder1.s@samsung.com Link: http://lkml.kernel.org/r/1506336313-27187-1-git-send-email-maninder1.s@samsung.comSigned-off-by:
Vaneet Narang <v.narang@samsung.com> Signed-off-by:
Maninder Singh <maninder1.s@samsung.com> Cc: Amit Sahrawat <a.sahrawat@samsung.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Michal Marek <mmarek@suse.cz> Cc: <pankaj.m@samsung.com> Cc: <a.sahrawat@samsung.com> Signed-off-by:
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- 15 Nov, 2017 29 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 updates from Will Deacon: "The big highlight is support for the Scalable Vector Extension (SVE) which required extensive ABI work to ensure we don't break existing applications by blowing away their signal stack with the rather large new vector context (<= 2 kbit per vector register). There's further work to be done optimising things like exception return, but the ABI is solid now. Much of the line count comes from some new PMU drivers we have, but they're pretty self-contained and I suspect we'll have more of them in future. Plenty of acronym soup here: - initial support for the Scalable Vector Extension (SVE) - improved handling for SError interrupts (required to handle RAS events) - enable GCC support for 128-bit integer types - remove kernel text addresses from backtraces and register dumps - use of WFE to implement long delay()s - ACPI IORT updates from Lorenzo Pieralisi - perf PMU driver for the Statistical Profiling Extension (SPE) - perf PMU driver for Hisilicon's system PMUs - misc cleanups and non-critical fixes" * tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (97 commits) arm64: Make ARMV8_DEPRECATED depend on SYSCTL arm64: Implement __lshrti3 library function arm64: support __int128 on gcc 5+ arm64/sve: Add documentation arm64/sve: Detect SVE and activate runtime support arm64/sve: KVM: Hide SVE from CPU features exposed to guests arm64/sve: KVM: Treat guest SVE use as undefined instruction execution arm64/sve: KVM: Prevent guests from using SVE arm64/sve: Add sysctl to set the default vector length for new processes arm64/sve: Add prctl controls for userspace vector length management arm64/sve: ptrace and ELF coredump support arm64/sve: Preserve SVE registers around EFI runtime service calls arm64/sve: Preserve SVE registers around kernel-mode NEON use arm64/sve: Probe SVE capabilities and usable vector lengths arm64: cpufeature: Move sys_caps_initialised declarations arm64/sve: Backend logic for setting the vector length arm64/sve: Signal handling support arm64/sve: Support vector length resetting for new processes arm64/sve: Core task context handling arm64/sve: Low-level CPU setup ... -
Linus Torvalds authored
Merge tag 'riscv-for-linus-4.15-arch-v9-premerge' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux Pull RISC-V architecture support from Palmer Dabbelt: "This contains the core RISC-V Linux port, which has been through nine rounds of review on various mailing lists. The port is not complete: there's some cleanup patches moving through the review process, a whole bunch of drivers that need some work, and a lot of feature additions that will be needed. The patches contained in this tag have been through nine rounds of review on the various mailing lists. I have some outstanding cleanup patches, but since there's been so much review on these patches I thought it would be best to submit them as-is and then submit explicit cleanup patches so everyone can review them. This first patch set is big enough that it's a bit of a pain to constantly rewrite, and it's caused a few headaches with various contributors. The port is definately a work in progress. While what's there builds and boots with 4.14, it's a bit hard to actually see anything happen because there are no device drivers yet. I maintain a staging branch that contains all the device drivers and cleanup that actually works, but those patches won't all be ready for a while. I'd like to get what we currently have into your tree so everyone can start working from a single base -- of particular importance is allowing the glibc upstreaming process to proceed so we can sort out any possibly lingering user-visible ABI problems we might have. Copied below is the ChangeLog that contains the history of this patch set: (v9) As per suggestions on our v8 patch set, I've split the core architecture code out from our drivers and would like to submit this patch set to be included into linux-next, with the goal being to be merged in during the next merge window. This patch set is based on 4.14-rc2, but if it's better to have it based on something else then I can change it around. This patch set contains just the core arch code for RISC-V, so while it builds an nominally boots, you can't print or take an interrupt so it's not that useful. If you're looking to actually boot a system it would probably be better to use the full patch set listed below. We've collected a handful of tags from reviewers, and the remainder of the patch set only got minimal feedback last time. Here's what changed: - We now use the device tree to initialize the timer driver so it's less tighly coupled with the arch port. - I cleaned up the defconfigs -- there's actually now just one, and it's empty. For now I think we're OK with what the kernel sets as defaults, but I anticipate we'll begin to expand this as people start to use the port more. - The VDSO symbols version is sane. - We WFI while spinning in the boot loop. - A handful of comments have been added. While there are still a handful of FIXMEs in this patch set, we've started to get enough interest from various users and contributors that maintaining an out of tree patch set is starting to become a big burden. Hopefully the patches are good enough to merge now, which will at least get everyone working in a more reasonable manner as we clean up the remaining issues. (v8) I know it may not be the ideal time to submit a patch set right now, as it's the middle of the merge window, but things have calmed down quite a bit in the last month so I thought it would be good to get everyone on the same page. There's been a handful of changes since the last patch set, but most of them are fairly minor: - We changed PAGE_OFFSET to allowing mapping more physical memory on 64-bit systems. This is user configurable, as it triggers a different code model that generates slightly less efficient code. - The device tree binding documentation is back, I'd managed to lose it at some point. - We now pass the atomic64 test suite - The SBI timer driver has been refactored. (v7) It's been a while since my last patch set, but the changes han been fairly minimal: - The PCI cleanup patches have been dropped, we'll do them as a separate patch set later. - We've the Kconfig entries from CONFIG_ISA_* to CONFIG_RISCV_ISA_*, to make grep easier. - There have been a handful of memory model related tweaks in I/O land, particularly relating the PCI and the upcoming platform specification. There are significant comments in the relevant files. This is still a WIP, but I think we're close to getting as good as we're going to get until we end up with some more specifications. (v6) As it's been only a day since the v5 patch set, the changes are pretty minimal: - The patch set is now based on linux-next/master, which I believe is a better base now that we're getting closer to upstream. - EARLY_PRINTK is no longer an option. Since the SBI console is reasonable, there's no penalty to enabling it (and thus no benefit to disabling it). - The mmap syscalls were refactored a bit. (v5) Things have really started to calm down, so this is fairly similar to the v4 patch set. The most interesting changes include: - We've moved back to a single patch set. - SMP support has been fixed, I was accidentally running on a non-SMP configuration. There were various mistakes all over the tree as a result of this. - The cmpxchg syscalls have been removed, as they were deemed a bad idea. As a result, RISC-V Linux systems mandate the A extension. The corresponding Kconfig entry to enable builds on non-A systems has been removed. - A few more atomic fixes: mostly fence changes, but those resulted in a handful of additional macros that were no longer necessary. - riscv_early_sie has been removed. (v4) There have only been a few changes since the v3 patch set: - The cmpxchg64 syscall is no longer enabled on 32-bit systems. It's not possible to provide this on SMP systems, and it's not necessary as glibc knows not to call it. - We provide a ELF_HWCAP so users can determine the ISA of the machine the kernel is running on. - The multi-line comments are in a better form. - There were a handful of headers that could be replaced with the asm-generic versions, and a few unnecessary definitions. - We no longer use printk, but instead use pr_*. - A few Kconfig and defconfig entries have been cleaned up. (v3) A highlight of the changes since the v2 patch set includes: - We've split out all our drivers into separate patch sets, which I've already sent out to the relevant maintainers. I haven't included those patches in this patch set, but some of them are necessary to build our port. - The patch set is now split up differently: rather than being split per directory it is split per topic. Hopefully this will make it easier to review the port on the mailing list. The split is a bit rough, so you probably still want to look at the patch set as a whole. - atomic.h has been completely rewritten and is hopefully now correct. I've attempted to sanitize the various other memory model related code as well, and I think it should all be sane now aside from a handful of FIXMEs commented in the code. - We've changed the cmpexchg syscall to always exist and to not be multiplexed. There is also a VDSO entry for compare and exchange, which allows kernels with the A extension to execute user code without the A extension reasonably fast. - Our user-visible register state now contains enough space for the Q extension for 128-bit floating point, as well as a few words to allow extensibility to future ISA extensions like the eventual V extension for vectors. - A handful of driver cleanups, but these have been split into separate patch sets now so I won't duplicate them here. (v2) A highlight of the changes since the v1 patch set includes: - We've split out our drivers into the right places, which means now there's a lot more patches. I'll be submitting these patches to various subsystem maintainers and including them in any future RISC-V patch sets until they've been merged. - The SBI console driver has been completely rewritten to use the HVC helpers and is now significantly smaller. - We've begun to use weaker barriers as opposed to just the big "fence". There's still some work to do here, specifically: - We need fences in the relaxed MMIO functions. - The non-relaxed MMIO functions are missing R/W bits on their fences. - Many AMOs need the aq and rl bits set. - We now have thread_info in task_struct. As a result, sscratch now contains TP instead of SP. This was necessary because thread_info is no longer on the stack. - A few shared routines have been added that we use instead of creating another arch copy" Reviewed-by:
Arnd Bergmann <arnd@arndb.de> * tag 'riscv-for-linus-4.15-arch-v9-premerge' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/linux: RISC-V: Build Infrastructure RISC-V: User-facing API RISC-V: Paging and MMU RISC-V: Device, timer, IRQs, and the SBI RISC-V: Task implementation RISC-V: ELF and module implementation RISC-V: Generic library routines and assembly RISC-V: Atomic and Locking Code RISC-V: Init and Halt Code dt-bindings: RISC-V CPU Bindings lib: Add shared copies of some GCC library routines MAINTAINERS: Add RISC-V
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/livepatchingLinus Torvalds authored
Pull livepatching updates from Jiri Kosina: - shadow variables support, allowing livepatches to associate new "shadow" fields to existing data structures, from Joe Lawrence - pre/post patch callbacks API, allowing livepatch writers to register callbacks to be called before and after patch application, from Joe Lawrence * 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/livepatching: livepatch: __klp_disable_patch() should never be called for disabled patches livepatch: Correctly call klp_post_unpatch_callback() in error paths livepatch: add transition notices livepatch: move transition "complete" notice into klp_complete_transition() livepatch: add (un)patch callbacks livepatch: Small shadow variable documentation fixes livepatch: __klp_shadow_get_or_alloc() is local to shadow.c livepatch: introduce shadow variable API
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/trivialLinus Torvalds authored
Pull trivial tree updates from Jiri Kosina: "The usual rocket-science from trivial tree for 4.15" * 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: MAINTAINERS: relinquish kconfig MAINTAINERS: Update my email address treewide: Fix typos in Kconfig kfifo: Fix comments init/Kconfig: Fix module signing document location misc: ibmasm: Return error on error path HID: logitech-hidpp: fix mistake in printk, "feeback" -> "feedback" MAINTAINERS: Correct path to uDraw PS3 driver tracing: Fix doc mistakes in trace sample tracing: Kconfig text fixes for CONFIG_HWLAT_TRACER MIPS: Alchemy: Remove reverted CONFIG_NETLINK_MMAP from db1xxx_defconfig mm/huge_memory.c: fixup grammar in comment lib/xz: Add fall-through comments to a switch statement
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/hidLinus Torvalds authored
Pull HID updates from Jiri Kosina: - high resolution mode for Dell canvas support, from Benjamin Tissoires - pen handling fixes for the Wacom driver, from Jason Gerecke - i2c-hid: Apollo-Lake based laptops improvements, from Hans de Goede - Input/Core: eraser tool support, from Ping Cheng - new ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook Stduio and HP Elite book x360) supportm from Masaki Ota - other smaller assorted fixes * 'for-linus' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (33 commits) HID: cp2112: fix broken gpio_direction_input callback HID: cp2112: fix interface specification URL HID: Wacom: switch Dell canvas into highres mode HID: wacom: generic: Send BTN_STYLUS3 when both barrel switches are set HID: sony: Fix SHANWAN pad rumbling on USB HID: i2c-hid: Add no-irq-after-reset quirk for 0911:5288 device HID: add backlight level quirk for Asus ROG laptops HID: cp2112: add HIDRAW dependency HID: Add ID 044f:b605 ThrustMaster, Inc. force feedback Racing Wheel HID: hid-logitech: remove redundant assignment to pointer value HID: wacom: generic: Recognize WACOM_HID_WD_PEN as a type of pen collection HID: rmi: Check that a device is a RMI device before calling RMI functions HID: add multi-input quirk for GamepadBlock HID: alps: add new U1 device ID HID: alps: add support for Alps T4 Touchpad device HID: alps: remove variables local to u1_init() from the device struct HID: alps: properly handle max_fingers and minimum on X and Y axis HID: alps: Separate U1 device code HID: alps: delete unnecessary struct u1_dev devInfo HID: usbhid: Convert timers to use timer_setup() ...
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Jiri Kosina authored
- High resolution mode for DEll canvas support, from Benjamin Tissoires - A lot of improvements to pen handling in the Wacom driver, from Jason Gerecke Signed-off-by:Jiri Kosina <jkosina@suse.cz>
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Jiri Kosina authored
- usbhid: conversion to timer_setup() and from_timer() from Kees Cook Signed-off-by: -
Jiri Kosina authored
- cp2112: GPIO error handling and Kconfig fixes from Sébastien Szymanski - i2c-hid: fixup / quirk for Apollo-Lake based laptops, from Hans de Goede - Input/Core: add eraser tool support, from Ping Cheng - small assorted code fixes Signed-off-by: -
Jiri Kosina authored
- SHANWAN PS3 rumble fix from Bastien Nocera Signed-off-by: -
Jiri Kosina authored
- make sure that we forward MSC_TIMESTAMP in accordance to the specification, from Nicolas Boichat Signed-off-by: -
Jiri Kosina authored
- small code fixes for Logitech driver from Colin Ian King
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Jiri Kosina authored
- trivial printk() line termination fix for HyperV
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Jiri Kosina authored
- Asus laptop fixes (fn keys, backlight), from Mustafa Kuscu and Maxime Bellengé
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Jiri Kosina authored
- New ALPS touchpad (T4, found currently on HP EliteBook 1000, Zbook Stduio and HP Elite book x360) support from Masaki Ota
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Jiri Kosina authored
- Wacom: recognize PEN application collection properly, from Jason Gerecke - RMI: avoid cofusion caused by RMI functions being by mistake called on non-RMI devices, from Andrew Duggan - small device-ID-specific quirks/fixes Signed-off-by: -
Jiri Kosina authored
This pulls in an infrastructure/API that allows livepatch writers to register pre-patch and post-patch callbacks that allow for running a glue code necessary for finalizing the patching if necessary. Conflicts: kernel/livepatch/core.c - trivial conflict by adding a callback call into module going notifier vs. moving that code block to klp_cleanup_module_patches_limited() Signed-off-by: -
Jiri Kosina authored
Shadow variables allow callers to associate new shadow fields to existing data structures. This is intended to be used by livepatch modules seeking to emulate additions to data structure definitions.
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linuxLinus Torvalds authored
Pull DeviceTree updates from Rob Herring: "A bigger diffstat than usual with the kbuild changes and a tree wide fix in the binding documentation. Summary: - kbuild cleanups and improvements for dtbs - Code clean-up of overlay code and fixing for some long standing memory leak and race condition in applying overlays - Improvements to DT memory usage making sysfs/kobjects optional and skipping unflattening of disabled nodes. This is part of kernel tinification efforts. - Final piece of removing storing the full path for every DT node. The prerequisite conversion of printk's to use device_node format specifier happened in 4.14. - Sync with current upstream dtc. This brings additional checks to dtb compiling. - Binding doc tree wide removal of leading 0s from examples - RTC binding documentation adding missing devices and some consolidation of duplicated bindings - Vendor prefix documentation for nutsboard, Silicon Storage Technology, shimafuji, Tecon Microprocessor Technologies, DH electronics GmbH, Opal Kelly, and Next Thing" * tag 'devicetree-for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (55 commits) dt-bindings: usb: add #phy-cells to usb-nop-xceiv dt-bindings: Remove leading zeros from bindings notation kbuild: handle dtb-y and CONFIG_OF_ALL_DTBS natively in Makefile.lib MIPS: dts: remove bogus bcm96358nb4ser.dtb from dtb-y entry kbuild: clean up *.dtb and *.dtb.S patterns from top-level Makefile .gitignore: move *.dtb and *.dtb.S patterns to the top-level .gitignore .gitignore: sort normal pattern rules alphabetically dt-bindings: add vendor prefix for Next Thing Co. scripts/dtc: Update to upstream version v1.4.5-6-gc1e55a5513e9 of: dynamic: fix memory leak related to properties of __of_node_dup of: overlay: make pr_err() string unique of: overlay: pr_err from return NOTIFY_OK to overlay apply/remove of: overlay: remove unneeded check for NULL kbasename() of: overlay: remove a dependency on device node full_name of: overlay: simplify applying symbols from an overlay of: overlay: avoid race condition between applying multiple overlays of: overlay: loosen overly strict phandle clash check of: overlay: expand check of whether overlay changeset can be removed of: overlay: detect cases where device tree may become corrupt of: overlay: minor restructuring ... -
Linus Torvalds authored
Merge tag 'leds_for_4.15rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds Pull LED updates from Jacek Anaszewski: "New LED class driver: - add a driver for PC Engines APU/APU2 LEDs New LED trigger: - add a system activity LED trigger LED core improvements: - replace flags bit shift with BIT() macros Convert timers to use timer_setup() in: - led-core - ledtrig-activity - ledtrig-heartbeat - ledtrig-transient LED class drivers fixes: - lp55xx: fix spelling mistake: 'cound' -> 'could' - tca6507: Remove unnecessary reg check - pca955x: Don't invert requested value in pca955x_gpio_set_value() LED documentation improvements: - update 00-INDEX file" * tag 'leds_for_4.15rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: leds: Add driver for PC Engines APU/APU2 LEDs leds: lp55xx: fix spelling mistake: 'cound' -> 'could' leds: Convert timers to use timer_setup() Documentation: leds: Update 00-INDEX file leds: tca6507: Remove unnecessary reg check leds: ledtrig-heartbeat: Convert timers to use timer_setup() leds: Replace flags bit shift with BIT() macros leds: pca955x: Don't invert requested value in pca955x_gpio_set_value() leds: ledtrig-activity: Add a system activity LED trigger
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds authored
Pull input updates from Dmitry Torokhov: - three new touchscreen drivers: EETI EXC3000, HiDeep, and Samsung S6SY761 - the timer API conversion (setup_timer() -> timer_setup()) - a few drivers swiytched to using managed API for creating custom device attributes - other assorted fixed and cleanups. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (50 commits) Input: gamecon - mark expected switch fall-throughs Input: sidewinder - mark expected switch fall-throughs Input: spaceball - mark expected switch fall-throughs Input: uinput - unlock on allocation failure in ioctl Input: add support for the Samsung S6SY761 touchscreen Input: add support for HiDeep touchscreen Input: st1232 - remove obsolete platform device support Input: convert autorepeat timer to use timer_setup() media: ttpci: remove autorepeat handling and use timer_setup Input: cyttsp4 - avoid overflows when calculating memory sizes Input: mxs-lradc - remove redundant assignment to pointer input Input: add I2C attached EETI EXC3000 multi touch driver Input: goodix - support gt1151 touchpanel Input: ps2-gpio - actually abort probe when connected to sleeping GPIOs Input: hil_mlc - convert to using timer_setup() Input: hp_sdc - convert to using timer_setup() Input: touchsceen - convert timers to use timer_setup() Input: keyboard - convert timers to use timer_setup() Input: uinput - fold header into the driver proper Input: uinput - remove uinput_allocate_device() ...
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ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound updates from Takashi Iwai: "There are no big surprising changes in this cycle, yet not too boring, either. The biggest change from diffstat POV is the removal of the legacy OSS driver codes that have been already disabled for a long time. This will bring a few trivial merge conflicts. As new features in ASoC side, there are two things: a new AC97 bus implementation and AMD Stony platform support. Both include the relevant changes shared with other subsystems, e.g. AC97 MFD changes and DRM AMD changes. Some other highlighted topics are: - A bunch of USB-audio drivers got the hardening against the malicious device accesses with a new helper code for endpoint sanity check - Lots of cleanups for ASoC Intel platform code, including support for their open source audio firmware - Continued ASoC core componentization works - Support for scaling MCLK with sample rate in ASoC simple-card - Stabler PCM hot-unplug capability, especially for ASoC usages" * tag 'sound-4.15-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (302 commits) Documentation: sound: hd-audio: notes.rst ASoC: bcm2835: Support left/right justified and DSP modes ASoC: bcm2835: Enforce full symmetry ASoC: bcm2835: Support additional samplerates up to 384kHz ASoC: bcm2835: Add support for TDM modes ASoC: add mclk-fs support to audio graph card ASoC: add mclk-fs to audio graph card binding ASoC: rt5514: work around link error ASoC: rt5514: mark PM functions as __maybe_unused ASoC: rt5663: Check the JD status in the button pushing ASoC: amd: Modified DMA transfer Mechanism for Playback ASoC: rt5645: Wait for 400msec before concluding on value of RT5645_VENDOR_ID2 ASoC: sun4i-codec: fixed 32bit audio capture support for H3/H2+ ASoC: da7213: add support for DSP modes ASoC: sun8i-codec: Add a comment on the LRCK inversion ASoC: sun8i-codec: Set the BCLK divider ASoC: rt5663: Delay and retry reading rt5663 ID register ASoC: amd: use do_div rather than 64 bit division to fix 32 bit builds ASoC: cs42l56: Fix reset GPIO name in example DT binding ASoC: rt5514-spi: check irq status to schedule data copy in resume function ... -
ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c updates from Wolfram Sang: "This contains two bigger than usual tree-wide changes this time. They all have proper acks, caused no merge conflicts in linux-next where they have been for a while. They are namely: - to-gpiod conversion of the i2c-gpio driver and its users (touching arch/* and drivers/mfd/*) - adding a sbs-manager based on I2C core updates to SMBus alerts (touching drivers/power/*) Other notable changes: - i2c_boardinfo can now carry a dev_name to be used when the device is created. This is because some devices in ACPI world need fixed names to find the regulators. - the designware driver got a long discussed overhaul of its PM handling. img-scb and davinci got PM support, too. - at24 driver has way better OF support. And it has a new maintainer. Thanks Bartosz for stepping up! The rest is regular driver updates and fixes" * 'i2c/for-4.15' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (55 commits) ARM: sa1100: simpad: Correct I2C GPIO offsets i2c: aspeed: Deassert reset in probe eeprom: at24: Add OF device ID table MAINTAINERS: new maintainer for AT24 driver i2c: nuc900: remove platform_data, too i2c: thunderx: Remove duplicate NULL check i2c: taos-evm: Remove duplicate NULL check i2c: Make i2c_unregister_device() NULL-aware i2c: xgene-slimpro: Support v2 i2c: mpc: remove useless variable initialization i2c: omap: Trigger bus recovery in lockup case i2c: gpio: Add support for named gpios in DT dt-bindings: i2c: i2c-gpio: Add support for named gpios i2c: gpio: Local vars in probe i2c: gpio: Augment all boardfiles to use open drain i2c: gpio: Enforce open drain through gpiolib gpio: Make it possible for consumers to enforce open drain i2c: gpio: Convert to use descriptors power: supply: sbs-message: fix some code style issues power: supply: sbs-battery: remove unchecked return var ... -
ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpioLinus Torvalds authored
Pull GPIO updates from Linus Walleij: "This is the bulk of GPIO changes for the v4.15 kernel cycle: Core: - Fix the semantics of raw GPIO to actually be raw. No inversion semantics as before, but also no open draining, and allow the raw operations to affect lines used for interrupts as the caller supposedly knows what they are doing if they are getting the big hammer. - Rewrote the __inner_function() notation calls to names that make more sense. I just find this kind of code disturbing. - Drop the .irq_base() field from the gpiochip since now all IRQs are mapped dynamically. This is nice. - Support for .get_multiple() in the core driver API. This allows us to read several GPIO lines with a single register read. This has high value for some usecases: it can be used to create oscilloscopes and signal analyzers and other things that rely on reading several lines at exactly the same instant. Also a generally nice optimization. This uses the new assign_bit() macro from the bitops lib that was ACKed by Andrew Morton and is implemented for two drivers, one of them being the generic MMIO driver so everyone using that will be able to benefit from this. - Do not allow requests of Open Drain and Open Source setting of a GPIO line simultaneously. If the hardware actually supports enabling both at the same time the electrical result would be disastrous. - A new interrupt chip core helper. This will be helpful to deal with "banked" GPIOs, which means GPIO controllers with several logical blocks of GPIO inside them. This is several gpiochips per device in the device model, in contrast to the case when there is a 1-to-1 relationship between a device and a gpiochip. New drivers: - Maxim MAX3191x industrial serializer, a very interesting piece of professional I/O hardware. - Uniphier GPIO driver. This is the GPIO block from the recent Socionext (ex Fujitsu and Panasonic) platform. - Tegra 186 driver. This is based on the new banked GPIO infrastructure. Other improvements: - Some documentation improvements. - Wakeup support for the DesignWare DWAPB GPIO controller. - Reset line support on the DesignWare DWAPB GPIO controller. - Several non-critical bug fixes and improvements for the Broadcom BRCMSTB driver. - Misc non-critical bug fixes like exotic errorpaths, removal of dead code etc. - Explicit comments on fall-through switch() statements" * tag 'gpio-v4.15-1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (65 commits) gpio: tegra186: Remove tegra186_gpio_lock_class gpio: rcar: Add r8a77995 (R-Car D3) support pinctrl: bcm2835: Fix some merge fallout gpio: Fix undefined lock_dep_class gpio: Automatically add lockdep keys gpio: Introduce struct gpio_irq_chip.first gpio: Disambiguate struct gpio_irq_chip.nested gpio: Add Tegra186 support gpio: Export gpiochip_irq_{map,unmap}() gpio: Implement tighter IRQ chip integration gpio: Move lock_key into struct gpio_irq_chip gpio: Move irq_valid_mask into struct gpio_irq_chip gpio: Move irq_nested into struct gpio_irq_chip gpio: Move irq_chained_parent to struct gpio_irq_chip gpio: Move irq_default_type to struct gpio_irq_chip gpio: Move irq_handler to struct gpio_irq_chip gpio: Move irqdomain into struct gpio_irq_chip gpio: Move irqchip into struct gpio_irq_chip gpio: Introduce struct gpio_irq_chip pinctrl: armada-37xx: remove unused variable ... -
git://git.infradead.org/users/hch/dma-mappingLinus Torvalds authored
Pull dma-mapping updates from Christoph Hellwig: - turn dma_cache_sync into a dma_map_ops instance and remove implementation that purely are dead because the architecture doesn't support noncoherent allocations - add a flag for busses that need DMA configuration (Robin Murphy) * tag 'dma-mapping-4.15' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: turn dma_cache_sync into a dma_map_ops method sh: make dma_cache_sync a no-op xtensa: make dma_cache_sync a no-op unicore32: make dma_cache_sync a no-op powerpc: make dma_cache_sync a no-op mn10300: make dma_cache_sync a no-op microblaze: make dma_cache_sync a no-op ia64: make dma_cache_sync a no-op frv: make dma_cache_sync a no-op x86: make dma_cache_sync a no-op floppy: consolidate the dummy fd_cacheflush definition drivers: flag buses which demand DMA configuration
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull dmaengine updates from Vinod Koul: "Updates for this cycle include: - new driver for Spreadtrum dma controller, ST MDMA and DMAMUX controllers - PM support for IMG MDC drivers - updates to bcm-sba-raid driver and improvements to sun6i driver - subsystem conversion for: - timers to use timer_setup() - remove usage of PCI pool API - usage of %p format specifier - minor updates to bunch of drivers" * tag 'dmaengine-4.15-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (49 commits) dmaengine: ti-dma-crossbar: Correct am335x/am43xx mux value type dmaengine: dmatest: warn user when dma test times out dmaengine: Revert "rcar-dmac: use TCRB instead of TCR for residue" dmaengine: stm32_mdma: activate pack/unpack feature dmaengine: at_hdmac: Remove unnecessary 0x prefixes before %pad dmaengine: coh901318: Remove unnecessary 0x prefixes before %pad MAINTAINERS: Step down from a co-maintaner of DW DMAC driver dmaengine: pch_dma: Replace PCI pool old API dmaengine: Convert timers to use timer_setup() dmaengine: sprd: Add Spreadtrum DMA driver dt-bindings: dmaengine: Add Spreadtrum SC9860 DMA controller dmaengine: sun6i: Retrieve channel count/max request from devicetree dmaengine: Build bcm-sba-raid driver as loadable module for iProc SoCs dmaengine: bcm-sba-raid: Use common GPL comment header dmaengine: bcm-sba-raid: Use only single mailbox channel dmaengine: bcm-sba-raid: serialize dma_cookie_complete() using reqs_lock dmaengine: pl330: fix descriptor allocation fail dmaengine: rcar-dmac: use TCRB instead of TCR for residue dmaengine: sun6i: Add support for Allwinner A64 and compatibles arm64: allwinner: a64: Add devicetree binding for DMA controller ... -
git://github.com/awilliam/linux-vfioLinus Torvalds authored
Pull VFIO updates from Alex Williamson: - Virtualize PCI MPS and MRRS registers - Avoid soft lockups on SPAPR when clearing TCE - Broadcom FlexRM platform device support - Samples driver cleanup & type1 integer overflow fix * tag 'vfio-v4.15-rc1' of git://github.com/awilliam/linux-vfio: vfio: platform: reset: Add Broadcom FlexRM reset module vfio/type1: silence integer overflow warning vfio-mdev/samples: make mdev_fops const and static vfio/spapr: Add cond_resched() for huge updates vfio/pci: Virtualize Maximum Read Request Size vfio/pci: Virtualize Maximum Payload Size
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git://github.com/awilliam/linux-vfioLinus Torvalds authored
Pull IOMMU updates from Alex Williamson: "As Joerg mentioned[1], he's out on paternity leave through the end of the year and I'm filling in for him in the interim: - Enforce MSI multiple IRQ alignment in AMD IOMMU - VT-d PASID error handling fixes - Add r8a7795 IPMMU support - Manage runtime PM links on exynos at {add,remove}_device callbacks - Fix Mediatek driver name to avoid conflict - Add terminate support to qcom fault handler - 64-bit IOVA optimizations - Simplfy IOVA domain destruction, better use of rcache, and skip anchor nodes on copy - Convert to IOMMU TLB sync API in io-pgtable-arm{-v7s} - Drop command queue lock when waiting for CMD_SYNC completion on ARM SMMU implementations supporting MSI to cacheable memory - iomu-vmsa cleanup inspired by missed IOTLB sync callbacks - Fix sleeping lock with preemption disabled for RT - Dual MMU support for TI DRA7xx DSPs - Optional flush option on IOVA allocation avoiding overhead when caller can try other options [1] https://lkml.org/lkml/2017/10/22/72" * tag 'iommu-v4.15-rc1' of git://github.com/awilliam/linux-vfio: (54 commits) iommu/iova: Use raw_cpu_ptr() instead of get_cpu_ptr() for ->fq iommu/mediatek: Fix driver name iommu/ipmmu-vmsa: Hook up r8a7795 DT matching code iommu/ipmmu-vmsa: Allow two bit SL0 iommu/ipmmu-vmsa: Make IMBUSCTR setup optional iommu/ipmmu-vmsa: Write IMCTR twice iommu/ipmmu-vmsa: IPMMU device is 40-bit bus master iommu/ipmmu-vmsa: Make use of IOMMU_OF_DECLARE() iommu/ipmmu-vmsa: Enable multi context support iommu/ipmmu-vmsa: Add optional root device feature iommu/ipmmu-vmsa: Introduce features, break out alias iommu/ipmmu-vmsa: Unify ipmmu_ops iommu/ipmmu-vmsa: Clean up struct ipmmu_vmsa_iommu_priv iommu/ipmmu-vmsa: Simplify group allocation iommu/ipmmu-vmsa: Unify domain alloc/free iommu/ipmmu-vmsa: Fix return value check in ipmmu_find_group_dma() iommu/vt-d: Clear pasid table entry when memory unbound iommu/vt-d: Clear Page Request Overflow fault bit iommu/vt-d: Missing checks for pasid tables if allocation fails iommu/amd: Limit the IOVA page range to the specified addresses ... -
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI updates from James Bottomley: "This is mostly updates of the usual suspects: lpfc, qla2xxx, hisi_sas, megaraid_sas, pm80xx, mpt3sas, be2iscsi, hpsa. and a host of minor updates. There's no major behaviour change or additions to the core in all of this, so the potential for regressions should be small (biggest potential being in the scsi error handler changes)" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (203 commits) scsi: lpfc: Fix hard lock up NMI in els timeout handling. scsi: mpt3sas: remove a stray KERN_INFO scsi: mpt3sas: cleanup _scsih_pcie_enumeration_event() scsi: aacraid: use timespec64 instead of timeval scsi: scsi_transport_fc: add 64GBIT and 128GBIT port speed definitions scsi: qla2xxx: Suppress a kernel complaint in qla_init_base_qpair() scsi: mpt3sas: fix dma_addr_t casts scsi: be2iscsi: Use kasprintf scsi: storvsc: Avoid excessive host scan on controller change scsi: lpfc: fix kzalloc-simple.cocci warnings scsi: mpt3sas: Update mpt3sas driver version. scsi: mpt3sas: Fix sparse warnings scsi: mpt3sas: Fix nvme drives checking for tlr. scsi: mpt3sas: NVMe drive support for BTDHMAPPING ioctl command and log info scsi: mpt3sas: Add-Task-management-debug-info-for-NVMe-drives. scsi: mpt3sas: scan and add nvme device after controller reset scsi: mpt3sas: Set NVMe device queue depth as 128 scsi: mpt3sas: Handle NVMe PCIe device related events generated from firmware. scsi: mpt3sas: API's to remove nvme drive from sml scsi: mpt3sas: API 's to support NVMe drive addition to SML ...
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git://git.kernel.org/pub/scm/linux/kernel/git/shli/mdLinus Torvalds authored
Pull MD update from Shaohua Li: "This update mostly includes bug fixes: - md-cluster now supports raid10 from Guoqing - raid5 PPL fixes from Artur - badblock regression fix from Bo - suspend hang related fixes from Neil - raid5 reshape fixes from Neil - raid1 freeze deadlock fix from Nate - memleak fixes from Zdenek - bitmap related fixes from Me and Tao - other fixes and cleanups" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: (33 commits) md: free unused memory after bitmap resize md: release allocated bitset sync_set md/bitmap: clear BITMAP_WRITE_ERROR bit before writing it to sb md: be cautious about using ->curr_resync_completed for ->recovery_offset badblocks: fix wrong return value in badblocks_set if badblocks are disabled md: don't check MD_SB_CHANGE_CLEAN in md_allow_write md-cluster: update document for raid10 md: remove redundant variable q raid1: remove obsolete code in raid1_write_request md-cluster: Use a small window for raid10 resync md-cluster: Suspend writes in RAID10 if within range md-cluster/raid10: set "do_balance = 0" if area is resyncing md: use lockdep_assert_held raid1: prevent freeze_array/wait_all_barriers deadlock md: use TASK_IDLE instead of blocking signals md: remove special meaning of ->quiesce(.., 2) md: allow metadata update while suspending. md: use mddev_suspend/resume instead of ->quiesce() md: move suspend_hi/lo handling into core md code md: don't call bitmap_create() while array is quiesced. ...
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- 14 Nov, 2017 2 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dmLinus Torvalds authored
Pull device mapper updates from Mike Snitzer: - a few conversions from atomic_t to ref_count_t - a DM core fix for a race during device destruction that could result in a BUG_ON - a stable@ fix for a DM cache race condition that could lead to data corruption when operating in writeback mode (writethrough is default) - various DM cache cleanups and improvements - add DAX support to the DM log-writes target - a fix for the DM zoned target's ability to deal with the last zone of the drive being smaller than all others - a stable@ DM crypt and DM integrity fix for a negative check that was to restrictive (prevented slab debug with XFS ontop of DM crypt from working) - a DM raid target fix for a panic that can occur when forcing a raid to sync * tag 'for-4.15/dm' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: (25 commits) dm cache: lift common migration preparation code to alloc_migration() dm cache: remove usused deferred_cells member from struct cache dm cache policy smq: allocate cache blocks in order dm cache policy smq: change max background work from 10240 to 4096 blocks dm cache background tracker: limit amount of background work that may be issued at once dm cache policy smq: take origin idle status into account when queuing writebacks dm cache policy smq: handle races with queuing background_work dm raid: fix panic when attempting to force a raid to sync dm integrity: allow unaligned bv_offset dm crypt: allow unaligned bv_offset dm: small cleanup in dm_get_md() dm: fix race between dm_get_from_kobject() and __dm_destroy() dm: allocate struct mapped_device with kvzalloc dm zoned: ignore last smaller runt zone dm space map metadata: use ARRAY_SIZE dm log writes: add support for DAX dm log writes: add support for inline data buffers dm cache: simplify get_per_bio_data() by removing data_size argument dm cache: remove all obsolete writethrough-specific code dm cache: submit writethrough writes in parallel to origin and cache ...
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull core block layer updates from Jens Axboe: "This is the main pull request for block storage for 4.15-rc1. Nothing out of the ordinary in here, and no API changes or anything like that. Just various new features for drivers, core changes, etc. In particular, this pull request contains: - A patch series from Bart, closing the whole on blk/scsi-mq queue quescing. - A series from Christoph, building towards hidden gendisks (for multipath) and ability to move bio chains around. - NVMe - Support for native multipath for NVMe (Christoph). - Userspace notifications for AENs (Keith). - Command side-effects support (Keith). - SGL support (Chaitanya Kulkarni) - FC fixes and improvements (James Smart) - Lots of fixes and tweaks (Various) - bcache - New maintainer (Michael Lyle) - Writeback control improvements (Michael) - Various fixes (Coly, Elena, Eric, Liang, et al) - lightnvm updates, mostly centered around the pblk interface (Javier, Hans, and Rakesh). - Removal of unused bio/bvec kmap atomic interfaces (me, Christoph) - Writeback series that fix the much discussed hundreds of millions of sync-all units. This goes all the way, as discussed previously (me). - Fix for missing wakeup on writeback timer adjustments (Yafang Shao). - Fix laptop mode on blk-mq (me). - {mq,name} tupple lookup for IO schedulers, allowing us to have alias names. This means you can use 'deadline' on both !mq and on mq (where it's called mq-deadline). (me). - blktrace race fix, oopsing on sg load (me). - blk-mq optimizations (me). - Obscure waitqueue race fix for kyber (Omar). - NBD fixes (Josef). - Disable writeback throttling by default on bfq, like we do on cfq (Luca Miccio). - Series from Ming that enable us to treat flush requests on blk-mq like any other request. This is a really nice cleanup. - Series from Ming that improves merging on blk-mq with schedulers, getting us closer to flipping the switch on scsi-mq again. - BFQ updates (Paolo). - blk-mq atomic flags memory ordering fixes (Peter Z). - Loop cgroup support (Shaohua). - Lots of minor fixes from lots of different folks, both for core and driver code" * 'for-4.15/block' of git://git.kernel.dk/linux-block: (294 commits) nvme: fix visibility of "uuid" ns attribute blk-mq: fixup some comment typos and lengths ide: ide-atapi: fix compile error with defining macro DEBUG blk-mq: improve tag waiting setup for non-shared tags brd: remove unused brd_mutex blk-mq: only run the hardware queue if IO is pending block: avoid null pointer dereference on null disk fs: guard_bio_eod() needs to consider partitions xtensa/simdisk: fix compile error nvme: expose subsys attribute to sysfs nvme: create 'slaves' and 'holders' entries for hidden controllers block: create 'slaves' and 'holders' entries for hidden gendisks nvme: also expose the namespace identification sysfs files for mpath nodes nvme: implement multipath access to nvme subsystems nvme: track shared namespaces nvme: introduce a nvme_ns_ids structure nvme: track subsystems block, nvme: Introduce blk_mq_req_flags_t block, scsi: Make SCSI quiesce and resume work reliably block: Add the QUEUE_FLAG_PREEMPT_ONLY request queue flag ...
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