- Mar 30, 2018
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davidwang authored
New centaur CPUs (Familiy == 7) also support this cpu temperature sensor. Signed-off-by:
David Wang <davidwang@zhaoxin.com> [groeck: Dropped changelog, updated subject] Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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- Mar 27, 2018
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Guenter Roeck authored
pwmX_mode is defined in the ABI as 0=DC mode, 1=pwm mode. The chip register bit is set to 1 for DC mode. This got mixed up, and writing 1 into pwmX_mode resulted in DC mode enabled. Fix it up by using the ABI definition throughout the driver for consistency. Fixes: 77eb5b37 ("hwmon: (nct6775) Add support for pwm, pwm_mode, ... ") Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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- Mar 23, 2018
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Alvaro G. M authored
Since autodetection of this chip was removed, it makes sense to add prefix max6635 so that the device can be instantiated by its actual name. Signed-off-by:
Alvaro Gamez Machado <alvaro.gamez@hazent.com> Reviewed-by:
Jean Delvare <jdelvare@suse.de> Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
The chip is quite similar to other chips in the series, but as usual it comes with its own quirks. Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Alvaro G. M authored
Maxim MAX663x family are mostly compatible with LM92, but they lack any identification register. Weakening the detect function would make it prone to false positives, and current one doesn't detect all chips. Therefore, the detect function for max6635 devices is removed in favor of explicit device instatiation. Signed-off-by:
Alvaro Gamez Machado <alvaro.gamez@hazent.com> Reviewed-by:
Jean Delvare <jdelvare@suse.de> Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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- Mar 17, 2018
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Christopher Bostic authored
Expose the gpiN_fault fields of mfr_status as individual debugfs attributes. This provides a way for users to be easily notified of gpi faults. Also provide the whole mfr_status register in debugfs. Signed-off-by:
Christopher Bostic <cbostic@linux.vnet.ibm.com> Signed-off-by:
Andrew Jeffery <andrew@aj.id.au> Signed-off-by:
Eddie James <eajames@linux.vnet.ibm.com> Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Christopher Bostic authored
Add a struct gpio_chip and define some methods so that this device's I/O can be accessed via /sys/class/gpio. Signed-off-by:
Christopher Bostic <cbostic@linux.vnet.ibm.com> Signed-off-by:
Andrew Jeffery <andrew@aj.id.au> Signed-off-by:
Eddie James <eajames@linux.vnet.ibm.com> Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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- Mar 11, 2018
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Guenter Roeck authored
NCT6796D is mostly compatible to NCT6795D. It supports an additional pwm control and fan speed channel. While we are at it, update documentation for NCT6795D. Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Initialize boolean flags in nct6775_check_fan_inputs() while declaring them instead of several times throughout the code. Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
Improve fan6/pwm6 detection on NCT6795D. Add support for fan pulses for fans 4..6 and fan min limits for fan6. Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
The size of some of the arrays using the number of fans is hardcoded. Use NUM_FAN consistently throughout the driver. Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Hao Peng authored
Simplify code and use devm_add_action() to handle cleanup. Signed-off-by:
Peng Hao <peng.hao2@zte.com.cn> [groeck: Dropped unnecessary dummy function and NULL check] Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Danilo Bargen authored
The previously used URL is dead. Sensirion provides permalinks for their product datasheets at https://www.sensirion.com/en/about-us/links/. Signed-off-by:
Danilo Bargen <mail@dbrgn.ch> Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Danilo Bargen authored
The previously used URLs are dead. Sensirion provides permalinks for their product datasheets at https://www.sensirion.com/en/about-us/links/. Signed-off-by:
Danilo Bargen <mail@dbrgn.ch> Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
A negative page register value means that no page needs to be selected. This is used by status register read operations and needs to be accepted. The failure to do so so results in missed status and limit registers. Fixes: da8e48ab ("hwmon: (pmbus) Always call _pmbus_read_byte in core driver") Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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Guenter Roeck authored
A negative page register value means that no page needs to be selected. This is used by status register evaluations and needs to be accepted. Fixes: da8e48ab ("hwmon: (pmbus) Always call _pmbus_read_byte in core driver") Signed-off-by:
Guenter Roeck <linux@roeck-us.net>
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- Feb 19, 2018
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 Kconfig fixes from Thomas Gleixner: "Three patchlets to correct HIGHMEM64G and CMPXCHG64 dependencies in Kconfig when CPU selections are explicitely set to M586 or M686" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/Kconfig: Explicitly enumerate i686-class CPUs in Kconfig x86/Kconfig: Exclude i586-class CPUs lacking PAE support from the HIGHMEM64G Kconfig group x86/Kconfig: Add missing i586-class CPUs to the X86_CMPXCHG64 Kconfig group
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf updates from Thomas Gleixner: "Perf tool updates and kprobe fixes: - perf_mmap overwrite mode fixes/overhaul, prep work to get 'perf top' using it, making it bearable to use it in large core count systems such as Knights Landing/Mill Intel systems (Kan Liang) - s/390 now uses syscall.tbl, just like x86-64 to generate the syscall table id -> string tables used by 'perf trace' (Hendrik Brueckner) - Use strtoull() instead of home grown function (Andy Shevchenko) - Synchronize kernel ABI headers, v4.16-rc1 (Ingo Molnar) - Document missing 'perf data --force' option (Sangwon Hong) - Add perf vendor JSON metrics for ARM Cortex-A53 Processor (William Cohen) - Improve error handling and error propagation of ftrace based kprobes so failures when installing kprobes are not silently ignored and create disfunctional tracepoints" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits) kprobes: Propagate error from disarm_kprobe_ftrace() kprobes: Propagate error from arm_kprobe_ftrace() Revert "tools include s390: Grab a copy of arch/s390/include/uapi/asm/unistd.h" perf s390: Rework system call table creation by using syscall.tbl perf s390: Grab a copy of arch/s390/kernel/syscall/syscall.tbl tools/headers: Synchronize kernel ABI headers, v4.16-rc1 perf test: Fix test trace+probe_libc_inet_pton.sh for s390x perf data: Document missing --force option perf tools: Substitute yet another strtoull() perf top: Check the latency of perf_top__mmap_read() perf top: Switch default mode to overwrite mode perf top: Remove lost events checking perf hists browser: Add parameter to disable lost event warning perf top: Add overwrite fall back perf evsel: Expose the perf_missing_features struct perf top: Check per-event overwrite term perf mmap: Discard legacy interface for mmap read perf test: Update mmap read functions for backward-ring-buffer test perf mmap: Introduce perf_mmap__read_event() perf mmap: Introduce perf_mmap__read_done() ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq updates from Thomas Gleixner: "A small set of updates mostly for irq chip drivers: - MIPS GIC fix for spurious, masked interrupts - fix for a subtle IPI bug in GICv3 - do not probe GICv3 ITSs that are marked as disabled - multi-MSI support for GICv2m - various small cleanups" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqdomain: Re-use DEFINE_SHOW_ATTRIBUTE() macro irqchip/bcm: Remove hashed address printing irqchip/gic-v2m: Add PCI Multi-MSI support irqchip/gic-v3: Ignore disabled ITS nodes irqchip/gic-v3: Use wmb() instead of smb_wmb() in gic_raise_softirq() irqchip/gic-v3: Change pr_debug message to pr_devel irqchip/mips-gic: Avoid spuriously handling masked interrupts
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull core fix from Thomas Gleixner: "A small fix which adds the missing for_each_cpu_wrap() stub for the UP case to avoid build failures" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: cpumask: Make for_each_cpu_wrap() available on UP as well
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- Feb 18, 2018
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: - NVMe pull request from Keith, with fixes all over the map for nvme. From various folks. - Classic polling fix, that avoids a latency issue where we still end up waiting for an interrupt in some cases. From Nitesh Shetty. - Comment typo fix from Minwoo Im. * tag 'for-linus-20180217' of git://git.kernel.dk/linux-block: block: fix a typo in comment of BLK_MQ_POLL_STATS_BKTS nvme-rdma: fix sysfs invoked reset_ctrl error flow nvmet: Change return code of discard command if not supported nvme-pci: Fix timeouts in connecting state nvme-pci: Remap CMB SQ entries on every controller reset nvme: fix the deadlock in nvme_update_formats blk: optimization for classic polling nvme: Don't use a stack buffer for keep-alive command nvme_fc: cleanup io completion nvme_fc: correct abort race condition on resets nvme: Fix discard buffer overrun nvme: delete NVME_CTRL_LIVE --> NVME_CTRL_CONNECTING transition nvme-rdma: use NVME_CTRL_CONNECTING state to mark init process nvme: rename NVME_CTRL_RECONNECTING state to NVME_CTRL_CONNECTING
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmcLinus Torvalds authored
Pull MMC fixes from Ulf Hansson: - meson-gx: Revert to earlier tuning process - bcm2835: Don't overwrite max frequency unconditionally * tag 'mmc-v4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: bcm2835: Don't overwrite max frequency unconditionally Revert "mmc: meson-gx: include tx phase in the tuning process"
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git://git.infradead.org/linux-mtdLinus Torvalds authored
Pull mtd fixes from Boris Brezillon: - add missing dependency to NAND_MARVELL Kconfig entry - use the appropriate OOB layout in the VF610 driver * tag 'mtd/fixes-for-4.16-rc2' of git://git.infradead.org/linux-mtd: mtd: nand: MTD_NAND_MARVELL should depend on HAS_DMA mtd: nand: vf610: set correct ooblayout
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "The main attraction is a fix for a bug in the new drmem code, which was causing an oops on boot on some versions of Qemu. There's also a fix for XIVE (Power9 interrupt controller) on KVM, as well as a few other minor fixes. Thanks to: Corentin Labbe, Cyril Bur, Cédric Le Goater, Daniel Black, Nathan Fontenot, Nicholas Piggin" * tag 'powerpc-4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries: Check for zero filled ibm,dynamic-memory property powerpc/pseries: Add empty update_numa_cpu_lookup_table() for NUMA=n powerpc/powernv: IMC fix out of bounds memory access at shutdown powerpc/xive: Use hw CPU ids when configuring the CPU queues powerpc: Expose TSCR via sysfs only on powernv
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linuxLinus Torvalds authored
Pull arm64 fixes from Catalin Marinas: "The bulk of this is the pte accessors annotation to READ/WRITE_ONCE (we tried to avoid pushing this during the merge window to avoid conflicts) - Updated the page table accessors to use READ/WRITE_ONCE and prevent compiler transformation that could lead to an apparent loss of coherency - Enabled branch predictor hardening for the Falkor CPU - Fix interaction between kpti enabling and KASan causing the recursive page table walking to take a significant time - Fix some sparse warnings" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: cputype: Silence Sparse warnings arm64: mm: Use READ_ONCE/WRITE_ONCE when accessing page tables arm64: proc: Set PTE_NG for table entries to avoid traversing them twice arm64: Add missing Falkor part number for branch predictor hardening
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tipLinus Torvalds authored
Pull xen fixes from Juergen Gross: - fixes for the Xen pvcalls frontend driver - fix for booting Xen pv domains - fix for the xenbus driver user interface * tag 'for-linus-4.16a-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: pvcalls-front: wait for other operations to return when release passive sockets pvcalls-front: introduce a per sock_mapping refcount x86/xen: Calculate __max_logical_packages on PV domains xenbus: track caller request id
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- Feb 17, 2018
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Stefano Stabellini authored
Passive sockets can have ongoing operations on them, specifically, we have two wait_event_interruptable calls in pvcalls_front_accept. Add two wake_up calls in pvcalls_front_release, then wait for the potential waiters to return and release the sock_mapping refcount. Signed-off-by:
Stefano Stabellini <stefano@aporeto.com> Acked-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Stefano Stabellini authored
Introduce a per sock_mapping refcount, in addition to the existing global refcount. Thanks to the sock_mapping refcount, we can safely wait for it to be 1 in pvcalls_front_release before freeing an active socket, instead of waiting for the global refcount to be 1. Signed-off-by:
Stefano Stabellini <stefano@aporeto.com> Acked-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Prarit Bhargava authored
The kernel panics on PV domains because native_smp_cpus_done() is only called for HVM domains. Calculate __max_logical_packages for PV domains. Fixes: b4c0a732 ("x86/smpboot: Fix __max_logical_packages estimate") Signed-off-by:
Prarit Bhargava <prarit@redhat.com> Tested-and-reported-by:
Simon Gaiser <simon@invisiblethingslab.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: x86@kernel.org Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Juergen Gross <jgross@suse.com> Cc: Dou Liyang <douly.fnst@cn.fujitsu.com> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Cc: xen-devel@lists.xenproject.org Reviewed-by:
Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Joao Martins authored
Commit fd8aa909 ("xen: optimize xenbus driver for multiple concurrent xenstore accesses") optimized xenbus concurrent accesses but in doing so broke UABI of /dev/xen/xenbus. Through /dev/xen/xenbus applications are in charge of xenbus message exchange with the correct header and body. Now, after the mentioned commit the replies received by application will no longer have the header req_id echoed back as it was on request (see specification below for reference), because that particular field is being overwritten by kernel. struct xsd_sockmsg { uint32_t type; /* XS_??? */ uint32_t req_id;/* Request identifier, echoed in daemon's response. */ uint32_t tx_id; /* Transaction id (0 if not related to a transaction). */ uint32_t len; /* Length of data following this. */ /* Generally followed by nul-terminated string(s). */ }; Before there was only one request at a time so req_id could simply be forwarded back and forth. To allow simultaneous requests we need a different req_id for each message thus kernel keeps a monotonic increasing counter for this field and is written on every request irrespective of userspace value. Forwarding again the req_id on userspace requests is not a solution because we would open the possibility of userspace-generated req_id colliding with kernel ones. So this patch instead takes another route which is to artificially keep user req_id while keeping the xenbus logic as is. We do that by saving the original req_id before xs_send(), use the private kernel counter as req_id and then once reply comes and was validated, we restore back the original req_id. Cc: <stable@vger.kernel.org> # 4.11 Fixes: fd8aa909 ("xen: optimize xenbus driver for multiple concurrent xenstore accesses") Reported-by:
Bhavesh Davda <bhavesh.davda@oracle.com> Signed-off-by:
Joao Martins <joao.m.martins@oracle.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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Robin Murphy authored
Sparse makes a fair bit of noise about our MPIDR mask being implicitly long - let's explicitly describe it as such rather than just relying on the value forcing automatic promotion. Signed-off-by:
Robin Murphy <robin.murphy@arm.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com>
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git://git.infradead.org/users/hch/dma-mappingLinus Torvalds authored
Pull dma-mapping fixes from Christoph Hellwig: "A few dma-mapping fixes for the fallout from the changes in rc1" * tag 'dma-mapping-4.16-2' of git://git.infradead.org/users/hch/dma-mapping: powerpc/macio: set a proper dma_coherent_mask dma-mapping: fix a comment typo dma-direct: comment the dma_direct_free calling convention dma-direct: mark as is_phys ia64: fix build failure with CONFIG_SWIOTLB
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Will Deacon authored
In many cases, page tables can be accessed concurrently by either another CPU (due to things like fast gup) or by the hardware page table walker itself, which may set access/dirty bits. In such cases, it is important to use READ_ONCE/WRITE_ONCE when accessing page table entries so that entries cannot be torn, merged or subject to apparent loss of coherence due to compiler transformations. Whilst there are some scenarios where this cannot happen (e.g. pinned kernel mappings for the linear region), the overhead of using READ_ONCE /WRITE_ONCE everywhere is minimal and makes the code an awful lot easier to reason about. This patch consistently uses these macros in the arch code, as well as explicitly namespacing pointers to page table entries from the entries themselves by using adopting a 'p' suffix for the former (as is sometimes used elsewhere in the kernel source). Tested-by:
Yury Norov <ynorov@caviumnetworks.com> Tested-by:
Richard Ruigrok <rruigrok@codeaurora.org> Reviewed-by:
Marc Zyngier <marc.zyngier@arm.com> Signed-off-by:
Will Deacon <will.deacon@arm.com> Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com>
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Arnd Bergmann authored
We get a warning about some slow configurations in randconfig kernels: mm/memory.c:83:2: error: #warning Unfortunate NUMA and NUMA Balancing config, growing page-frame for last_cpupid. [-Werror=cpp] The warning is reasonable by itself, but gets in the way of randconfig build testing, so I'm hiding it whenever CONFIG_COMPILE_TEST is set. The warning was added in 2013 in commit 75980e97 ("mm: fold page->_last_nid into page->flags where possible"). Cc: stable@vger.kernel.org Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mipsLinus Torvalds authored
Pull MIPS fixes from James Hogan: "A few fixes for outstanding MIPS issues: - an __init section mismatch warning when brcmstb_pm is enabled - a regression handling multiple mem=X@Y arguments (4.11) - a USB Kconfig select warning, and related sparc cleanup (4.16)" * tag 'mips_fixes_4.16_2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: sparc,leon: Select USB_UHCI_BIG_ENDIAN_{MMIO,DESC} usb: Move USB_UHCI_BIG_ENDIAN_* out of USB_SUPPORT MIPS: Fix incorrect mem=X@Y handling MIPS: BMIPS: Fix section mismatch warning
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linuxLinus Torvalds authored
Pull btrfs fixes from David Sterba: "We have a few assorted fixes, some of them show up during fstests so I gave them more testing" * tag 'for-4.16-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: Fix use-after-free when cleaning up fs_devs with a single stale device Btrfs: fix null pointer dereference when replacing missing device btrfs: remove spurious WARN_ON(ref->count < 0) in find_parent_nodes btrfs: Ignore errors from btrfs_qgroup_trace_extent_post Btrfs: fix unexpected -EEXIST when creating new inode Btrfs: fix use-after-free on root->orphan_block_rsv Btrfs: fix btrfs_evict_inode to handle abnormal inodes correctly Btrfs: fix extent state leak from tree log Btrfs: fix crash due to not cleaning up tree log block's dirty bits Btrfs: fix deadlock in run_delalloc_nocow
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Linus Torvalds authored
Merge tag 'for-4.16/dm-chained-bios-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fix from Mike Snitzer: "Fix for DM core to properly propagate errors (avoids overriding non-zero error with 0). This is particularly important given DM core's increased use of chained bios" * tag 'for-4.16/dm-chained-bios-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm: correctly handle chained bios in dec_pending()
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git://git.infradead.org/linux-platform-drivers-x86Linus Torvalds authored
Pull x86 platform driver fixes from Andy Shevchenko: - regression fix in keyboard support for Dell laptops - prevent out-of-boundary write in WMI bus driver - increase timeout to read functional key status on Lenovo laptops * tag 'platform-drivers-x86-v4.16-4' of git://git.infradead.org/linux-platform-drivers-x86: platform/x86: dell-laptop: Removed duplicates in DMI whitelist platform/x86: dell-laptop: fix kbd_get_state's request value platform/x86: ideapad-laptop: Increase timeout to wait for EC answer platform/x86: wmi: fix off-by-one write in wmi_dev_probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "A collection of usual suspects: - a handful USB-audio and HD-audio device-specific quirks - some trivial fixes for the new AC97 bus stuff - another race fix in ALSA sequencer core" * tag 'sound-4.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek: PCI quirk for Fujitsu U7x7 ALSA: seq: Fix racy pool initializations ALSA: usb: add more device quirks for USB DSD devices ALSA: usb-audio: Fix UAC2 get_ctl request with a RANGE attribute ALSA: ac97: Fix copy and paste typo in documentation ALSA: usb-audio: add implicit fb quirk for Behringer UFX1204 ALSA: ac97: kconfig: Remove select of undefined symbol AC97 ALSA: hda/realtek - Enable Thinkpad Dock device for ALC298 platform ALSA: hda/realtek - Add headset mode support for Dell laptop ALSA: hda - Fix headset mic detection problem for two Dell machines
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