- 21 2月, 2013 9 次提交
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git://git.linaro.org/people/mturquette/linux由 Linus Torvalds 提交于
Pull clock framework update from Michael Turquette: "The common clock framework changes for 3.9 are almost entirely fixes. None are dire enough to be Cc'd to stable which may be interpreted to mean that users of the framework are reaching stability. Lots of new adoption of this framework is via DeviceTree data and that comes through the respective architecture and platform trees instead of through the clk framework tree. Two new features are improved debugfs output and an improvement to how DT clocks are initialized by reusing a common method." * tag 'clk-for-linus' of git://git.linaro.org/people/mturquette/linux: (25 commits) clk: sunxi: remove stale Makefile entry clk: vexpress: Use common of_clk_init() function clk: zynq: Use common of_clk_init() function clk: vt8500: Use common of_clk_init() function clk: highbank: Use common of_clk_init() function clk: sunxi: Use common of_clk_init() function clk: add common of_clk_init() function clk: Deduplicate exit code in clk_set_rate clk: beautify Makefile clk-divider: fix macros clk: prima2: enable dt-binding clkdev mapping clk: mxs: Index is always positive clk: max77686: Avoid double free at remove time clk: remove exported function from __init section clk: vt8500: Add support for WM8750/WM8850 PLL clocks clk: vt8500: Fix division-by-0 when requested rate=0 clk: vt8500: Fix device clock divisor calculations clk: vt8500: Fix error in PLL calculations on non-exact match. clk: max77686: Remove unnecessary NULL checking for container_of() clk: JSON debugfs clock tree summary ...
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input由 Linus Torvalds 提交于
Pull input updates from Dmitry Torokhov: "Two new touchpad drivers - Cypress APA I2C Trackpad and Cypress PS/2 touchpad and a big update to ALPS driver from Kevin Cernekee that adds support for "Rushmore" touchpads and paves way for adding support for "Dolphin" touchpads. There is also a new input driver for Goldfish emulator and also Android keyreset driver was folded into SysRq code. A few more drivers were updated with device tree bindings and others got some small cleanups and fixes." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (55 commits) Input: cyttsp-spi - remove duplicate MODULE_ALIAS() Input: tsc2005 - add MODULE_ALIAS Input: tegra-kbc - require CONFIG_OF, remove platform data Input: synaptics - initialize pointer emulation usage Input: MT - do not apply filtering on emulated events Input: bma150 - make some defines public and fix some comments Input: bma150 - fix checking pm_runtime_get_sync() return value Input: ALPS - enable trackstick on Rushmore touchpads Input: ALPS - add support for "Rushmore" touchpads Input: ALPS - make the V3 packet field decoder "pluggable" Input: ALPS - move pixel and bitmap info into alps_data struct Input: ALPS - fix command mode check Input: ALPS - rework detection of Pinnacle AGx touchpads Input: ALPS - move {addr,nibble}_command settings into alps_set_defaults() Input: ALPS - use function pointers for different protocol handlers Input: ALPS - rework detection sequence Input: ALPS - introduce helper function for repeated commands Input: ALPS - move alps_get_model() down below hw_init code Input: ALPS - copy "model" info into alps_data struct Input: ALPS - document the alps.h data structures ...
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git://git.infradead.org/battery-2.6由 Linus Torvalds 提交于
Pull battery updates from Anton Vorontsov: "Four new drivers: - goldfish_battery: This is Android Emulator battery driver. Originally from Google, but Intel folks reshaped it for mainline - pm2301_charger: A new driver for ST-Ericsson 2301 Power Management chip, uses AB8500 battery management core - qnap-poweroff: The driver adds poweroff functionality for QNAP NAS boxes - restart-poweroff: A generic driver that implements 'power off by restarting'. The actual poweroff functionality is implemented through a bootloader, so Linux' task is just to restart the box. The driver is useful on Buffalo Linkstation LS-XHL and LS-CHLv2 boards. Andrew Lunn worked on submitting the driver (as well as qnap-poweroff above). Additionally: - A lot of fixes for ab8500 drivers. This is a part of efforts of syncing internal ST-Ericsson development tree with the mainline. Lee Jones @ Linaro worked on compilation and reshaping these series. - New health properties for the power supplies: "Watchdog timer expire" and "Safety timer expire" - As usual, a bunch of fixes/cleanups here and there" * tag 'for-v3.9' of git://git.infradead.org/battery-2.6: (81 commits) bq2415x_charger: Add support for offline and 100mA mode generic-adc-battery: Fix forever loop in gab_remove() goldfish_battery: Add missing GENERIC_HARDIRQS dependency da9030_battery: Include notifier.h bq27x00_battery: Fix reporting battery temperature power/reset: Remove newly introduced __dev* annotations lp8727_charger: Small cleanup in naming ab8500_btemp: Demote initcall sequence ds2782_battery: Add power_supply_changed() calls for proper uevent support power: Add battery driver for goldfish emulator u8500-charger: Delay for USB enumeration ab8500-bm: Remove individual [charger|btemp|fg|chargalg] pdata structures ab8500-charger: Do not touch VBUSOVV bits ab8500-fg: Use correct battery charge full design pm2301: LPN mode control support pm2301: Enable vbat low monitoring ab8500-bm: Flush all work queues before suspending ab8500-fg: Go to INIT_RECOVERY when charger removed ab8500-charger: Add support for autopower on AB8505 and AB9540 abx500-chargalg: Add new sysfs interface to get current charge status ... Fix up fairly straightforward conflicts in the ab8500 driver. But since it seems to be ARM-specific, I can't even compile-test the result..
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging由 Linus Torvalds 提交于
Pull hwmon updates from Guenter Roeck: - New drivers for MAX6697 and compatibles and for INA209. - Added support for IT8771E, IT8772E, MAX34460, MAX34461, MCP98244, and ADT7420 to existing drivers. - Added support for additional attributes to various drivers. - Replaced SENSORS_LIMIT with clamp_val; retire SENSORS_LIMIT; - Clean up PMBus code to reduce its size; clean up adt7410 driver. - A couple of minor bug fixes as well as documentation cleanup. - Out-of-tree change: Replace SENSORS_LIMIT with clamp_val in platform/x86/eeepc-laptop driver. * tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging: (32 commits) hwmon: (ntc_thermistor): Fix sparse warnings hwmon: (adt7410) Add device table entry for the adt7420 hwmon: (adt7410) Use I2C_ADDRS helper macro hwmon: (adt7410) Use the SIMPLE_DEV_PM_OPS helper macro hwmon: (adt7410) Let suspend/resume depend on CONFIG_PM_SLEEP hwmon: (adt7410) Clear unwanted bits in the config register hwmon: (jc42) Add support for MCP98244 hwmon: (pmbus) Clean up for code size reduction hwmon: (pmbus/max34440) Add support for MAX34460 and MAX34461 hwmon: (pmbus) Add support for word status register hwmon: (pmbus/zl6100) Add support for VMON/VDRV hwmon: (pmbus) Add function to clear sensor cache hwmon: (pmbus) Add support for additional voltage sensor hwmon: (pmbus) Use krealloc to allocate attribute memory hwmon: (pmbus) Simplify memory allocation for sensor attributes hwmon: (pmbus) Improve boolean handling hwmon: (pmbus) Simplify memory allocation for labels and booleans hwmon: (pmbus) Use dev variable to represent client->dev hwmon: (pmbus) Fix 'Macros with multiple statements' checkpatch error hwmon: (pmbus) Drop unnecessary error messages in probe error path ...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl由 Linus Torvalds 提交于
Pull pinctrl changes from Linus Walleij: "These are the main pinctrl changes for the v3.9 merge window. The most interesting change by far is how the device core grabs pinctrl default handles avoiding the need to stick boilerplate into driver consumers. - Grabbing of default pinctrl handles from the device core. These are the hunks hitting drivers/base. All is ACKed by Greg, after a long discussion about different alternatives. - Some stuff also touches the MFD and ARM SoC trees, this has been coordinated and ACKed. - New drivers for: - The Tegra 114 sub-SoC - Allwinner sunxi - New ABx500 driver and sub-SoC drivers for AB8500, AB8505, AB9540 and AB8540. - Make it possible for hogged pins to enter a sleep mode, and make it possible for drivers to control that mode. - Various clean-up, extensions and device tree support to various pin controllers." * tag 'pinctrl-for-v3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (68 commits) pinctrl: tegra: add clfvs function to Tegra114 support pinctrl: generic: rename input schmitt disable pinctrl/pinconfig: add debug interface pinctrl: samsung: remove duplicated line ARM: ux500: use real AB8500 IRQ numbers instead of virtual ones ARM: ux500: remove irq_base property from platform_data pinctrl/abx500: use direct IRQ defines pinctrl/abx500: replace IRQ offsets with table read-in values pinctrl/abx500: move IRQ handling to ab8500-core pinctrl: exynos5440: remove erroneous __init pinctrl/abx500: adjust offset for get_mode() pinctrl/abx500: add Device Tree support pinctrl/abx500: align GPIO cluster boundaries pinctrl/abx500: prevent error path from corrupting returning error pinctrl: sunxi: add of_xlate function pinctrl/lantiq: fix pin number in ltq_pmx_gpio_request_enable pinctrl/lantiq: add functionality to falcon_pinconf_dbg_show pinctrl/lantiq: fix pinconfig parameters pinctrl/lantiq: one of the boot leds was defined incorrectly pinctrl/lantiq: only probe available pad controllers ...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator由 Linus Torvalds 提交于
Pull regulator updates from Mark Brown: "A fairly quiet release for the regulator API, the bulk of the changes being lots of small cleanups and API updates contributed by Axel Lin with just a small set of larger changes: - New driver for LP8755 - DT support for S5M8767, TPS51632, TPS6507x and TPS65090 - Support for writing a "commit changes" bit in the regmap helper functions." * tag 'regulator-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (60 commits) regulator: Fix memory garbage dev_err printout. regulator: max77686: Reuse rdev_get_id() function. regulator: tps51632: Use regulator_[get|set]_voltage_sel_regmap regulator: as3711: Fix checking if no platform initialization data regulator: s5m8767: Prevent possible NULL pointer dereference regulator: s5m8767: Fix dev argument for devm_kzalloc and of_get_regulator_init_data regulator: core: Optimize _regulator_do_set_voltage if voltage does not change regulator: max8998: Let regulator core handle the case selector == old_selector regulator: s5m8767: Use of_get_child_count() regulator: anatop: improve precision of delay time regulator: show state for GPIO-controlled regulators regulator: s5m8767: Fix build in non-DT case regulator: add device tree support for s5m8767 regulator: palmas: Remove a redundant setting for warm_reset regulator: mc13xxx: Use of_get_child_count() regulator: max8997: Use of_get_child_count() regulator: tps65090: Fix using wrong dev argument for calling of_regulator_match regulators: anatop: add set_voltage_time_sel interface regulator: Add missing of_node_put() regulator: tps6507x: Fix using wrong dev argument for calling of_regulator_match ...
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap由 Linus Torvalds 提交于
Pull regmap updates from Mark Brown: "Several nice new features and performance improvements here, especially the first: - Support for using the cache infrastructure without the physical I/O, allowing devices which don't fit the physical model regmap has to take advantage of the cache infrastructure, contributed by Andrey Smirnov. - Several small improvements to the support for wake capable IRQs. - Support for asynchronous I/O, allowing us to come much closer to saturating fast buses like SPI. - Support for simple array caches, giving higher performance for use with MMIO devices. - Restoration of the use of bulk reads for handling interrupts, giving a performance improvement. - Support for 24 bit register addresses. - More performance improvements for debugfs." * tag 'regmap-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: (24 commits) regmap: mmio: add register clock support regmap: debugfs: Factor out debugfs_tot_len calc into a function regmap: debugfs: Optimize seeking within blocks of registers regmap: debugfs: Add a `max_reg' member in struct regmap_debugfs_off_cache regmap: debugfs: Fix reading in register field units regmap: spi: Handle allocation failures gracefully regmap: Export regmap_async_complete() regmap: Export regmap_async_complete_cb regmap: include linux/sched.h to fix build regmap: spi: Support asynchronous I/O for SPI regmap: Add asynchronous I/O support regmap: Add "no-bus" option for regmap API regmap: regmap: avoid spurious warning in regmap_read_debugfs regmap: Add provisions to have user-defined write operation regmap: Add provisions to have user-defined read operation regmap: Add support for 24 bit wide register addresses mfd: wm5110: Mark wakes as inverted mfd: wm5102: Mark wakes as inverted regmap: irq: Support wake IRQ mask inversion regmap: irq: Fix sync of wake statuses to hardware ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup由 Linus Torvalds 提交于
Pull cpuset changes from Tejun Heo: - Synchornization has seen a lot of changes with focus on decoupling cpuset synchronization from cgroup internal locking. After this change, there only remain a couple of mostly trivial dependencies on cgroup_lock outside cgroup core proper. cgroup_lock is scheduled to be unexported in this devel cycle. This will finally remove the fragile locking order around cgroup (cgroup locking wants to / should be one of the outermost but yet has been acquired from deep inside individual controllers). - At this point, Li is most knowlegeable with cpuset and taking over the maintainership of cpuset. * 'for-3.9-cpuset' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cpuset: drop spurious retval assignment in proc_cpuset_show() cpuset: fix RCU lockdep splat cpuset: update MAINTAINERS cpuset: remove cpuset->parent cpuset: replace cpuset->stack_list with cpuset_for_each_descendant_pre() cpuset: replace cgroup_mutex locking with cpuset internal locking cpuset: schedule hotplug propagation from cpuset_attach() if the cpuset is empty cpuset: pin down cpus and mems while a task is being attached cpuset: make CPU / memory hotplug propagation asynchronous cpuset: drop async_rebuild_sched_domains() cpuset: don't nest cgroup_mutex inside get_online_cpus() cpuset: reorganize CPU / memory hotplug handling cpuset: cleanup cpuset[_can]_attach() cpuset: introduce cpuset_for_each_child() cpuset: introduce CS_ONLINE cpuset: introduce ->css_on/offline() cpuset: remove fast exit path from remove_tasks_in_empty_cpuset() cpuset: remove unused cpuset_unlock()
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup由 Linus Torvalds 提交于
Pull cgroup changes from Tejun Heo: "Nothing too drastic. - Removal of synchronize_rcu() from userland visible paths. - Various fixes and cleanups from Li. - cgroup_rightmost_descendant() added which will be used by cpuset changes (it will be a separate pull request)." * 'for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup: fail if monitored file and event_control are in different cgroup cgroup: fix cgroup_rmdir() vs close(eventfd) race cpuset: fix cpuset_print_task_mems_allowed() vs rename() race cgroup: fix exit() vs rmdir() race cgroup: remove bogus comments in cgroup_diput() cgroup: remove synchronize_rcu() from cgroup_diput() cgroup: remove duplicate RCU free on struct cgroup sched: remove redundant NULL cgroup check in task_group_path() sched: split out css_online/css_offline from tg creation/destruction cgroup: initialize cgrp->dentry before css_alloc() cgroup: remove a NULL check in cgroup_exit() cgroup: fix bogus kernel warnings when cgroup_create() failed cgroup: remove synchronize_rcu() from rebind_subsystems() cgroup: remove synchronize_rcu() from cgroup_attach_{task|proc}() cgroup: use new hashtable implementation cgroups: fix cgroup_event_listener error handling cgroups: move cgroup_event_listener.c to tools/cgroup cgroup: implement cgroup_rightmost_descendant() cgroup: remove unused dummy cgroup_fork_callbacks()
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- 20 2月, 2013 26 次提交
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq由 Linus Torvalds 提交于
Pull async changes from Tejun Heo: "These are followups for the earlier deadlock issue involving async ending up waiting for itself through block requesting module[1]. The following changes are made by these commits. - Instead of requesting default elevator on each request_queue init, block now requests it once early during boot. - Kmod triggers warning if invoked from an async worker. - Async synchronization implementation has been reimplemented. It's a lot simpler now." * 'for-3.9-async' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: async: initialise list heads to fix crash async: replace list of active domains with global list of pending items async: keep pending tasks on async_domain and remove async_pending async: use ULLONG_MAX for infinity cookie value async: bring sanity to the use of words domain and running async, kmod: warn on synchronous request_module() from async workers block: don't request module during elevator init init, block: try to load default elevator module early during boot
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由 Dmitry Torokhov 提交于
Prepare first set of updates for 3.9 merge window.
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq由 Linus Torvalds 提交于
Pull workqueue changes from Tejun Heo: "A lot of reorganization is going on mostly to prepare for worker pools with custom attributes so that workqueue can replace custom pool implementations in places including writeback and btrfs and make CPU assignment in crypto more flexible. workqueue evolved from purely per-cpu design and implementation, so there are a lot of assumptions regarding being bound to CPUs and even unbound workqueues are implemented as an extension of the model - workqueues running on the special unbound CPU. Bulk of changes this round are about promoting worker_pools as the top level abstraction replacing global_cwq (global cpu workqueue). At this point, I'm fairly confident about getting custom worker pools working pretty soon and ready for the next merge window. Lai's patches are replacing the convoluted mb() dancing workqueue has been doing with much simpler mechanism which only depends on assignment atomicity of long. For details, please read the commit message of 0b3dae68 ("workqueue: simplify is-work-item-queued-here test"). While the change ends up adding one pointer to struct delayed_work, the inflation in percentage is less than five percent and it decouples delayed_work logic a lot more cleaner from usual work handling, removes the unusual memory barrier dancing, and allows for further simplification, so I think the trade-off is acceptable. There will be two more workqueue related pull requests and there are some shared commits among them. I'll write further pull requests assuming this pull request is pulled first." * 'for-3.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (37 commits) workqueue: un-GPL function delayed_work_timer_fn() workqueue: rename cpu_workqueue to pool_workqueue workqueue: reimplement is_chained_work() using current_wq_worker() workqueue: fix is_chained_work() regression workqueue: pick cwq instead of pool in __queue_work() workqueue: make get_work_pool_id() cheaper workqueue: move nr_running into worker_pool workqueue: cosmetic update in try_to_grab_pending() workqueue: simplify is-work-item-queued-here test workqueue: make work->data point to pool after try_to_grab_pending() workqueue: add delayed_work->wq to simplify reentrancy handling workqueue: make work_busy() test WORK_STRUCT_PENDING first workqueue: replace WORK_CPU_NONE/LAST with WORK_CPU_END workqueue: post global_cwq removal cleanups workqueue: rename nr_running variables workqueue: remove global_cwq workqueue: remove worker_pool->gcwq workqueue: replace for_each_worker_pool() with for_each_std_worker_pool() workqueue: make freezing/thawing per-pool workqueue: make hotplug processing per-pool ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq由 Linus Torvalds 提交于
Pull workqueue [delayed_]work_pending() cleanups from Tejun Heo: "This is part of on-going cleanups to remove / minimize usages of workqueue interfaces which are deprecated and/or misleading. This round drops a number of usages of [delayed_]work_pending(), which are dangerous as they lack any form of synchronization and thus often lead to buggy / unnecessary code. There are a couple legitimate use cases in kernel. Hopefully, they can be converted and [delayed_]work_pending() can be removed completely. Even if not, removing most of misuses should make it more difficult to find examples of misuses and thus slow down growth of them. These changes are independent from other workqueue changes." * 'for-3.9-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: wimax/i2400m: fix i2400m->wake_tx_skb handling kprobes: fix wait_for_kprobe_optimizer() ipw2x00: simplify scan_event handling video/exynos: don't use [delayed_]work_pending() tty/max3100: don't use [delayed_]work_pending() x86/mce: don't use [delayed_]work_pending() rfkill: don't use [delayed_]work_pending() wl1251: don't use [delayed_]work_pending() thinkpad_acpi: don't use [delayed_]work_pending() mwifiex: don't use [delayed_]work_pending() sja1000: don't use [delayed_]work_pending()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 UV3 support update from Ingo Molnar: "Support for the SGI Ultraviolet System 3 (UV3) platform - the upcoming third major iteration and upscaling of the SGI UV supercomputing platform." * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, uv, uv3: Trim MMR register definitions after code changes for SGI UV3 x86, uv, uv3: Check current gru hub support for SGI UV3 x86, uv, uv3: Update Time Support for SGI UV3 x86, uv, uv3: Update x2apic Support for SGI UV3 x86, uv, uv3: Update Hub Info for SGI UV3 x86, uv, uv3: Update ACPI Check to include SGI UV3 x86, uv, uv3: Update MMR register definitions for SGI Ultraviolet System 3 (UV3)
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 platform changes from Ingo Molnar: - Support for the Technologic Systems TS-5500 platform, by Vivien Didelot - Improved NUMA support on AMD systems: Add support for federated systems where multiple memory controllers can exist and see each other over multiple PCI domains. This basically means that AMD node ids can be more than 8 now and the code handling this is taught to incorporate PCI domain into those IDs. - Support for the Goldfish virtual Android emulator, by Jun Nakajima, Intel, Google, et al. - Misc fixlets. * 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Add TS-5500 platform support x86/srat: Simplify memory affinity init error handling x86/apb/timer: Remove unnecessary "if" goldfish: platform device for x86 amd64_edac: Fix type usage in NB IDs and memory ranges amd64_edac: Fix PCI function lookup x86, AMD, NB: Use u16 for northbridge IDs in amd_get_nb_id x86, AMD, NB: Add multi-domain support
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86/hyperv changes from Ingo Molnar: "The biggest change is support for Windows 8's improved hypervisor interrupt model on the Linux Hyper-V guest subsystem code side. Smallish fixes otherwise." * 'x86-hyperv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, hyperv: HYPERV depends on X86_LOCAL_APIC X86: Handle Hyper-V vmbus interrupts as special hypervisor interrupts X86: Add a check to catch Xen emulation of Hyper-V x86: Hyper-V: register clocksource only if its advertised
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86/debug changes from Ingo Molnar: "Two init annotations and a built-in memtest speedup" * 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/memtest: Shorten time for tests x86: Convert a few mistaken __cpuinit annotations to __init x86/EFI: Properly init-annotate BGRT code
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 cleanup patches from Ingo Molnar: "Misc smaller cleanups" * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: ptrace.c only needs export.h and not the full module.h x86, apb_timer: remove unused variable percpu_timer um: don't compare a pointer to 0 arch/x86/platform/uv: use ARRAY_SIZE where possible
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull two x86 kernel build changes from Ingo Molnar: "The first change modifies how 'make oldconfig' works on cross-bitness situations on x86. It was felt the new behavior of preserving the bitness of the .config is more logical. This is a leftover of the merge. The second change eliminates a Perl warning. (There's another, more complete fix resulting of this warning fix, which second fix in flight to you via the kbuild tree, which will remove the timeconst.pl script altogether.)" * 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timeconst.pl: Eliminate Perl warning x86: Default to ARCH=x86 to avoid overriding CONFIG_64BIT
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86 bootup changes from Ingo Molnar: "Deal with bootloaders which fail to initialize unknown fields in boot_params to zero, by sanitizing boot params passed in. This unbreaks versions of kexec-utils. Other bootloaders do not appear to show sensitivity to this change, but it's a possibility for breakage nevertheless." * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, boot: Sanitize boot_params if not zeroed on creation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86/asm changes from Ingo Molnar: "The biggest change (by line count) is the unification of the XOR code and then the introduction of an additional SSE based XOR assembly method. The other bigger change is the head_32.S rework/cleanup by Borislav Petkov. Last but not least there's the usual laundry list of small but dangerous (and hopefully perfectly tested) changes to subtle low level x86 code, plus cleanups." * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, head_32: Give the 6 label a real name x86, head_32: Remove second CPUID detection from default_entry x86: Detect CPUID support early at boot x86, head_32: Remove i386 pieces x86: Require MOVBE feature in cpuid when we use it x86: Enable ARCH_USE_BUILTIN_BSWAP x86/xor: Add alternative SSE implementation only prefetching once per 64-byte line x86/xor: Unify SSE-base xor-block routines x86: Fix a typo x86/mm: Fix the argument passed to sync_global_pgds() x86/mm: Convert update_mmu_cache() and update_mmu_cache_pmd() to functions ix86: Tighten asmlinkage_protect() constraints
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull x86/apic changes from Ingo Molnar: "Main changes: - Multiple MSI support added to the APIC, PCI and AHCI code - acked by all relevant maintainers, by Alexander Gordeev. The advantage is that multiple AHCI ports can have multiple MSI irqs assigned, and can thus spread to multiple CPUs. [ Drivers can make use of this new facility via the pci_enable_msi_block_auto() method ] - x86 IOAPIC code from interrupt remapping cleanups from Joerg Roedel: These patches move all interrupt remapping specific checks out of the x86 core code and replaces the respective call-sites with function pointers. As a result the interrupt remapping code is better abstraced from x86 core interrupt handling code. - Various smaller improvements, fixes and cleanups." * 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits) x86/intel/irq_remapping: Clean up x2apic opt-out security warning mess x86, kvm: Fix intialization warnings in kvm.c x86, irq: Move irq_remapped out of x86 core code x86, io_apic: Introduce eoi_ioapic_pin call-back x86, msi: Introduce x86_msi.compose_msi_msg call-back x86, irq: Introduce setup_remapped_irq() x86, irq: Move irq_remapped() check into free_remapped_irq x86, io-apic: Remove !irq_remapped() check from __target_IO_APIC_irq() x86, io-apic: Move CONFIG_IRQ_REMAP code out of x86 core x86, irq: Add data structure to keep AMD specific irq remapping information x86, irq: Move irq_remapping_enabled declaration to iommu code x86, io_apic: Remove irq_remapping_enabled check in setup_timer_IRQ0_pin x86, io_apic: Move irq_remapping_enabled checks out of check_timer() x86, io_apic: Convert setup_ioapic_entry to function pointer x86, io_apic: Introduce set_affinity function pointer x86, msi: Use IRQ remapping specific setup_msi_irqs routine x86, hpet: Introduce x86_msi_ops.setup_hpet_msi x86, io_apic: Introduce x86_io_apic_ops.print_entries for debugging x86, io_apic: Introduce x86_io_apic_ops.disable() x86, apic: Mask IO-APIC and PIC unconditionally on LAPIC resume ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull timer changes from Ingo Molnar: "Main changes: - ntp: Add CONFIG_RTC_SYSTOHC: a generic RTC driver facility complementing the existing CONFIG_RTC_HCTOSYS, which uses NTP to keep the hardware clock updated. - posix-timers: Fix clock_adjtime to always return timex data on success. This is changing the ABI, but no breakage was expected and found - caution is warranted nevertheless. - platform persistent clock improvements/cleanups. - clockevents: refactor timer broadcast handling to be more generic and less duplicated with matching architecture code (mostly ARM motivated.) - various fixes and cleanups" * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers/x86/hpet: Use HPET_COUNTER to specify the hpet counter in vread_hpet() posix-cpu-timers: Fix nanosleep task_struct leak clockevents: Fix generic broadcast for FEAT_C3STOP time, Fix setting of hardware clock in NTP code hrtimer: Prevent hrtimer_enqueue_reprogram race clockevents: Add generic timer broadcast function clockevents: Add generic timer broadcast receiver timekeeping: Switch HAS_PERSISTENT_CLOCK to ALWAYS_USE_PERSISTENT_CLOCK x86/time/rtc: Don't print extended CMOS year when reading RTC x86: Select HAS_PERSISTENT_CLOCK on x86 timekeeping: Add CONFIG_HAS_PERSISTENT_CLOCK option rtc: Skip the suspend/resume handling if persistent clock exist timekeeping: Add persistent_clock_exist flag posix-timers: Fix clock_adjtime to always return timex data on success Round the calculated scale factor in set_cyc2ns_scale() NTP: Add a CONFIG_RTC_SYSTOHC configuration MAINTAINERS: Update John Stultz's email time: create __getnstimeofday for WARNless calls
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull preparatory smp/hotplug patches from Ingo Molnar: "Some early preparatory changes for the WIP hotplug rework by Thomas Gleixner." * 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: stop_machine: Use smpboot threads stop_machine: Store task reference in a separate per cpu variable smpboot: Allow selfparking per cpu threads
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull scheduler changes from Ingo Molnar: "Main changes: - scheduler side full-dynticks (user-space execution is undisturbed and receives no timer IRQs) preparation changes that convert the cputime accounting code to be full-dynticks ready, from Frederic Weisbecker. - Initial sched.h split-up changes, by Clark Williams - select_idle_sibling() performance improvement by Mike Galbraith: " 1 tbench pair (worst case) in a 10 core + SMT package: pre 15.22 MB/sec 1 procs post 252.01 MB/sec 1 procs " - sched_rr_get_interval() ABI fix/change. We think this detail is not used by apps (so it's not an ABI in practice), but lets keep it under observation. - misc RT scheduling cleanups, optimizations" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (24 commits) sched/rt: Add <linux/sched/rt.h> header to <linux/init_task.h> cputime: Remove irqsave from seqlock readers sched, powerpc: Fix sched.h split-up build failure cputime: Restore CPU_ACCOUNTING config defaults for PPC64 sched/rt: Move rt specific bits into new header file sched/rt: Add a tuning knob to allow changing SCHED_RR timeslice sched: Move sched.h sysctl bits into separate header sched: Fix signedness bug in yield_to() sched: Fix select_idle_sibling() bouncing cow syndrome sched/rt: Further simplify pick_rt_task() sched/rt: Do not account zero delta_exec in update_curr_rt() cputime: Safely read cputime of full dynticks CPUs kvm: Prepare to add generic guest entry/exit callbacks cputime: Use accessors to read task cputime stats cputime: Allow dynamic switch between tick/virtual based cputime accounting cputime: Generic on-demand virtual cputime accounting cputime: Move default nsecs_to_cputime() to jiffies based cputime file cputime: Librarize per nsecs resolution cputime definitions cputime: Avoid multiplication overflow on utime scaling context_tracking: Export context state for generic vtime ... Fix up conflict in kernel/context_tracking.c due to comment additions.
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull perf changes from Ingo Molnar: "There are lots of improvements, the biggest changes are: Main kernel side changes: - Improve uprobes performance by adding 'pre-filtering' support, by Oleg Nesterov. - Make some POWER7 events available in sysfs, equivalent to what was done on x86, from Sukadev Bhattiprolu. - tracing updates by Steve Rostedt - mostly misc fixes and smaller improvements. - Use perf/event tracing to report PCI Express advanced errors, by Tony Luck. - Enable northbridge performance counters on AMD family 15h, by Jacob Shin. - This tracing commit: tracing: Remove the extra 4 bytes of padding in events changes the ABI. All involved parties (PowerTop in particular) seem to agree that it's safe to do now with the introduction of libtraceevent, but the devil is in the details ... Main tooling side changes: - Add 'event group view', from Namyung Kim: To use it, 'perf record' should group events when recording. And then perf report parses the saved group relation from file header and prints them together if --group option is provided. You can use the 'perf evlist' command to see event group information: $ perf record -e '{ref-cycles,cycles}' noploop 1 [ perf record: Woken up 2 times to write data ] [ perf record: Captured and wrote 0.385 MB perf.data (~16807 samples) ] $ perf evlist --group {ref-cycles,cycles} With this example, default perf report will show you each event separately. You can use --group option to enable event group view: $ perf report --group ... # group: {ref-cycles,cycles} # ======== # Samples: 7K of event 'anon group { ref-cycles, cycles }' # Event count (approx.): 6876107743 # # Overhead Command Shared Object Symbol # ................ ....... ................. .......................... 99.84% 99.76% noploop noploop [.] main 0.07% 0.00% noploop ld-2.15.so [.] strcmp 0.03% 0.00% noploop [kernel.kallsyms] [k] timerqueue_del 0.03% 0.03% noploop [kernel.kallsyms] [k] sched_clock_cpu 0.02% 0.00% noploop [kernel.kallsyms] [k] account_user_time 0.01% 0.00% noploop [kernel.kallsyms] [k] __alloc_pages_nodemask 0.00% 0.00% noploop [kernel.kallsyms] [k] native_write_msr_safe 0.00% 0.11% noploop [kernel.kallsyms] [k] _raw_spin_lock 0.00% 0.06% noploop [kernel.kallsyms] [k] find_get_page 0.00% 0.02% noploop [kernel.kallsyms] [k] rcu_check_callbacks 0.00% 0.02% noploop [kernel.kallsyms] [k] __current_kernel_time As you can see the Overhead column now contains both of ref-cycles and cycles and header line shows group information also - 'anon group { ref-cycles, cycles }'. The output is sorted by period of group leader first. - Initial GTK+ annotate browser, from Namhyung Kim. - Add option for runtime switching perf data file in perf report, just press 's' and a menu with the valid files found in the current directory will be presented, from Feng Tang. - Add support to display whole group data for raw columns, from Jiri Olsa. - Add per processor socket count aggregation in perf stat, from Stephane Eranian. - Add interval printing in 'perf stat', from Stephane Eranian. - 'perf test' improvements - Add support for wildcards in tracepoint system name, from Jiri Olsa. - Add anonymous huge page recognition, from Joshua Zhu. - perf build-id cache now can show DSOs present in a perf.data file that are not in the cache, to integrate with build-id servers being put in place by organizations such as Fedora. - perf top now shares more of the evsel config/creation routines with 'record', paving the way for further integration like 'top' snapshots, etc. - perf top now supports DWARF callchains. - Fix mmap limitations on 32-bit, fix from David Miller. - 'perf bench numa mem' NUMA performance measurement suite - ... and lots of fixes, performance improvements, cleanups and other improvements I failed to list - see the shortlog and git log for details." * 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (270 commits) perf/x86/amd: Enable northbridge performance counters on AMD family 15h perf/hwbp: Fix cleanup in case of kzalloc failure perf tools: Fix build with bison 2.3 and older. perf tools: Limit unwind support to x86 archs perf annotate: Make it to be able to skip unannotatable symbols perf gtk/annotate: Fail early if it can't annotate perf gtk/annotate: Show source lines with gray color perf gtk/annotate: Support multiple event annotation perf ui/gtk: Implement basic GTK2 annotation browser perf annotate: Fix warning message on a missing vmlinux perf buildid-cache: Add --update option uprobes/perf: Avoid uprobe_apply() whenever possible uprobes/perf: Teach trace_uprobe/perf code to use UPROBE_HANDLER_REMOVE uprobes/perf: Teach trace_uprobe/perf code to pre-filter uprobes/perf: Teach trace_uprobe/perf code to track the active perf_event's uprobes: Introduce uprobe_apply() perf: Introduce hw_perf_event->tp_target and ->tp_list uprobes/perf: Always increment trace_uprobe->nhit uprobes/tracing: Kill uprobe_trace_consumer, embed uprobe_consumer into trace_uprobe uprobes/tracing: Introduce is_trace_uprobe_enabled() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull irq core changes from Ingo Molnar: "The biggest changes are the IRQ-work and printk changes from Frederic Weisbecker, which prepare the code for 'full dynticks' (the ability to stop or slow down the periodic tick arbitrarily, not just in idle time as today): - Don't stop tick with irq works pending. This fix is generally useful and concerns archs that can't raise self IPIs. - Flush irq works before CPU offlining. - Introduce "lazy" irq works that can wait for the next tick to be executed, unless it's stopped. - Implement klogd wake up using irq work. This removes the ad-hoc printk_tick()/printk_needs_cpu() hooks and make it working even in dynticks mode. - Cleanups and fixes." * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Export enable/disable_percpu_irq() arch Kconfig: Remove references to IRQ_PER_CPU irq_work: Remove return value from the irq_work_queue() function genirq: Avoid deadlock in spurious handling printk: Wake up klogd using irq_work irq_work: Make self-IPIs optable irq_work: Warn if there's still work on cpu_down irq_work: Flush work on CPU_DYING irq_work: Don't stop the tick with pending works nohz: Add API to check tick state irq_work: Remove CONFIG_HAVE_IRQ_WORK irq_work: Fix racy check on work pending flag irq_work: Fix racy IRQ_WORK_BUSY flag setting
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip由 Linus Torvalds 提交于
Pull RCU changes from Ingo Molnar: "SRCU changes: - These include debugging aids, updates that move towards the goal of permitting srcu_read_lock() and srcu_read_unlock() to be used from idle and offline CPUs, and a few small fixes. Changes to rcutorture and to RCU documentation: - Posted to LKML at https://lkml.org/lkml/2013/1/26/188 Enhancements to uniprocessor handling in tiny RCU: - Posted to LKML at https://lkml.org/lkml/2013/1/27/2 Tag RCU callbacks with grace-period number to simplify callback advancement: - Posted to LKML at https://lkml.org/lkml/2013/1/26/203 Miscellaneous fixes: - Posted to LKML at https://lkml.org/lkml/2013/1/26/204" * 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) srcu: use ACCESS_ONCE() to access sp->completed in srcu_read_lock() srcu: Update synchronize_srcu_expedited()'s comments srcu: Update synchronize_srcu()'s comments srcu: Remove checks preventing idle CPUs from calling srcu_read_lock() srcu: Remove checks preventing offline CPUs from calling srcu_read_lock() srcu: Simple cleanup for cleanup_srcu_struct() srcu: Add might_sleep() annotation to synchronize_srcu() srcu: Simplify __srcu_read_unlock() via this_cpu_dec() rcu: Allow rcutorture to be built at low optimization levels rcu: Make rcutorture's shuffler task shuffle recently added tasks rcu: Allow TREE_PREEMPT_RCU on UP systems rcu: Provide RCU CPU stall warnings for tiny RCU context_tracking: Add comments on interface and internals rcu: Remove obsolete Kconfig option from comment rcu: Remove unused code originally used for context tracking rcu: Consolidate debugging Kconfig options rcu: Correct 'optimized' to 'optimize' in header comment rcu: Trace callback acceleration rcu: Tag callback lists with corresponding grace-period number rcutorture: Don't compare ptr with 0 ...
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由 Sachin Kamat 提交于
Fixes the following sparse warnings: drivers/hwmon/ntc_thermistor.c:46:31: warning: symbol 'ncpXXwb473' was not declared. Should it be static? drivers/hwmon/ntc_thermistor.c:82:31: warning: symbol 'ncpXXwl333' was not declared. Should it be static? Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org> Acked-by: NMyungJoo Ham <myungjoo.ham@samsung.com> Acked-by: NJean Delvare <khali@linux-fr.org> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Lars-Peter Clausen 提交于
The adt7420 is software compatible to the adt7410. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Reviewed-by: NHartmut Knaack <knaack.h@gmx.de> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Lars-Peter Clausen 提交于
Use the I2C_ADDRS macro to initialize the I2C device's address_list. Doing so saves a few lines of boilerplate code. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Reviewed-by: NHartmut Knaack <knaack.h@gmx.de> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Lars-Peter Clausen 提交于
Use the SIMPLE_DEV_PM_OPS macro to declare the driver's pm_ops. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Reviewed-by: NHartmut Knaack <knaack.h@gmx.de> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Lars-Peter Clausen 提交于
Only build the suspend/resume code if CONFIG_PM_SLEEP is selected. Currently the code is built if CONFIG_PM is selected, but it will also be selected if only runtime PM support is built into the kernel. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NHartmut Knaack <knaack.h@gmx.de> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Lars-Peter Clausen 提交于
Make sure to clear the mode bits from the config register before setting the new mode. Otherwise we might end up with a different mode than we want to. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Reviewed-by: NHartmut Knaack <knaack.h@gmx.de> Signed-off-by: NGuenter Roeck <linux@roeck-us.net>
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由 Konstantin Khlebnikov 提交于
commit d8e794df ("workqueue: set delayed_work->timer function on initialization") exports function delayed_work_timer_fn() only for GPL modules. This makes delayed-works unusable for non-GPL modules, because initialization macro now requires GPL symbol. For example schedule_delayed_work() available for non-GPL. Signed-off-by: NKonstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by: NTejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org # 3.7
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- 19 2月, 2013 5 次提交
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由 Mark Brown 提交于
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由 Mark Brown 提交于
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由 Mark Brown 提交于
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由 Mark Brown 提交于
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由 Mark Brown 提交于
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