- 09 Apr, 2018 2 commits
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Dan Williams authored
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Dan Williams authored
Stephen reports that an x86 allmodconfig build fails to build the of_pmem driver due to a missing definition of of_node_to_nid(). That helper is currently only exported in the OF_NUMA=y case. In other cases, ppc and sparc, it is a weak symbol, and outside of those platforms it is a static inline. Until an OF_NUMA=n configuration can reliably support usage of of_node_to_nid() in modules across architectures, mark this driver as 'bool' instead of 'tristate'. Cc: Rob Herring <robh@kernel.org> Cc: Oliver O'Halloran <oohall@gmail.com> Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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- 07 Apr, 2018 10 commits
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Dan Williams authored
After attempting to quickly retrieve known errors the kernel proceeds to kick off a long running ARS. Add a module option to disable this behavior at initialization time, or at new region discovery time. Otherwise, ARS can be started manually regardless of the state of this setting. Co-developed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams authored
ARS is an operation that can take 10s to 100s of seconds to find media errors that should rarely be present. If the platform crashes due to media errors in persistent memory, the expectation is that the BIOS will report those known errors in a 'short' ARS request. A 'short' ARS request asks platform firmware to return an ARS payload with all known errors, but without issuing a 'long' scrub. At driver init a short request is issued to all PMEM ranges before registering regions. Then, in the background, a long ARS is scheduled for each region. The ARS implementation is simplified to centralize ARS completion work in the ars_complete() helper. The timeout is removed since there is no facility to cancel ARS, and this otherwise arranges for system init to never be blocked waiting for a 'long' ARS. The ars_state flags are used to coordinate ARS requests from driver init, ARS requests from userspace, and ARS requests in response to media error notifications. Given that there is no notification of ARS completion the implementation still needs to poll. It backs off exponentially to a maximum poll period of 30 minutes. Suggested-by: Toshi Kani <toshi.kani@hpe.com> Co-developed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams authored
acpi_nfit_query_poison() is awkward in that it requires an nfit_spa argument in order to determine what max_ars value to use. Instead probe for the minimum max_ars across all scrub-capable ranges in the system and drop the nfit_spa argument. This enables a larger rework / simplification of the ARS state machine whereby the status can be retrieved once and then iterated over all address ranges to reap completions. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Oliver O'Halloran authored
Scan the devicetree for an nvdimm-bus compatible and create a platform device for them. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Oliver O'Halloran authored
Add device-tree binding documentation for the nvdimm region driver. Cc: devicetree@vger.kernel.org Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Oliver O'Halloran authored
This patch adds peliminary device-tree bindings for persistent memory regions. The driver registers a libnvdimm bus for each pmem-region node and each address range under the node is converted to a region within that bus. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Oliver O'Halloran authored
We want to be able to cross reference the region and bus devices with the device tree node that they were spawned from. libNVDIMM handles creating the actual devices for these internally, so we need to pass in a pointer to the relevant node in the descriptor. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Acked-by: Dan Williams <dan.j.williams@intel.com> Acked-by: Balbir Singh <bsingharora@gmail.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams authored
The message about constraining number of online cpus to be less than or equal to ND_MAX_LANES (256) is only useful for block-aperture configurations and BTT. Make it debug since it is only relevant when debugging performance. Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams authored
The following NULL dereference results from incorrectly assuming that ndd is valid in this print: struct nvdimm_drvdata *ndd = to_ndd(&nd_region->mapping[i]); /* * Give up if we don't find an instance of a uuid at each * position (from 0 to nd_region->ndr_mappings - 1), or if we * find a dimm with two instances of the same uuid. */ dev_err(&nd_region->dev, "%s missing label for %pUb\n", dev_name(ndd->dev), nd_label->uuid); BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 IP: nd_region_register_namespaces+0xd67/0x13c0 [libnvdimm] PGD 0 P4D 0 Oops: 0000 [#1] SMP PTI CPU: 43 PID: 673 Comm: kworker/u609:10 Not tainted 4.16.0-rc4+ #1 [..] RIP: 0010:nd_region_register_namespaces+0xd67/0x13c0 [libnvdimm] [..] Call Trace: ? devres_add+0x2f/0x40 ? devm_kmalloc+0x52/0x60 ? nd_region_activate+0x9c/0x320 [libnvdimm] nd_region_probe+0x94/0x260 [libnvdimm] ? kernfs_add_one+0xe4/0x130 nvdimm_bus_probe+0x63/0x100 [libnvdimm] Switch to using the nvdimm device directly. Fixes: 0e3b0d12 ("libnvdimm, namespace: allow multiple pmem...") Cc: <stable@vger.kernel.org> Reported-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams authored
At initialization time the 'dimm' driver caches a copy of the memory device's label area and reserves address space for each of the namespaces defined. However, as can be seen below, the reservation occurs even when the index blocks are invalid: nvdimm nmem0: nvdimm_init_config_data: len: 131072 rc: 0 nvdimm nmem0: config data size: 131072 nvdimm nmem0: __nd_label_validate: nsindex0 labelsize 1 invalid nvdimm nmem0: __nd_label_validate: nsindex1 labelsize 1 invalid nvdimm nmem0: : pmem-6025e505: 0x1000000000 @ 0xf50000000 reserve <-- bad Gate dpa reservation on the presence of valid index blocks. Cc: <stable@vger.kernel.org> Fixes: 4a826c83 ("libnvdimm: namespace indices: read and validate") Reported-by: Krzysztof Rusocki <krzysztof.rusocki@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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- 06 Apr, 2018 3 commits
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Vishal Verma authored
The default value for smart ctrl_temperature was the same as the threshold for ctrl_temperature. As a result, any arbitrary smart injection to the nfit_test dimm could cause this alarm to trigger and cause an acpi notification. Drop the default value to below the threshold, so that unrelated injections don't trigger notifications. Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Vishal Verma authored
Add support for the smart injection command in the nvdimm unit test framework. This allows for directly injecting to smart fields and flags that are supported in the injection command. If the injected values are past the threshold, then an acpi notification is also triggered. Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams authored
In preparation for re-working the ARS implementation to better handle short vs long ARS runs, introduce nfit_spa->ars_state. For now this just replaces the nfit_spa->ars_required bit-field/flag, but going forward it will be used to track ARS completion and make short vs long ARS requests. Reviewed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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- 03 Apr, 2018 2 commits
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Dan Williams authored
For debug, it is useful for bus providers to be able to retrieve the 'struct device' associated with an nd_region instance that it registered. We already have to_nd_region() to perform the reverse cast operation, in fact its duplicate declaration can be removed from the private drivers/nvdimm/nd.h header. Reviewed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Dan Williams authored
There is a small window whereby ARS scan requests can schedule work that userspace will miss when polling scrub_show. Hold the init_mutex lock over calls to report the status to close this potential escape. Also, make sure that requests to cancel the ARS workqueue are treated as an idle event. Cc: <stable@vger.kernel.org> Cc: Vishal Verma <vishal.l.verma@intel.com> Fixes: 37b137ff ("nfit, libnvdimm: allow an ARS scrub...") Reviewed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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- 02 Apr, 2018 1 commit
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Dan Williams authored
Commit 1cf03c00 "nfit: scrub and register regions in a workqueue" mistakenly attempts to register a region per BLK aperture. There is nothing to register for individual apertures as they belong as a set to a BLK aperture group that are registered with a corresponding DIMM-control-region. Filter them for registration to prevent some needless devm_kzalloc() allocations. Cc: <stable@vger.kernel.org> Fixes: 1cf03c00 ("nfit: scrub and register regions in a workqueue") Reviewed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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- 28 Mar, 2018 1 commit
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Dan Williams authored
Some BIOSen do not handle 0-byte transfer lengths for the _LSR and _LSW (label storage read/write) methods. This causes Linux to fallback to the deprecated _DSM path, or otherwise disable label support. Introduce acpi_nvdimm_has_method() to detect whether a method is available rather than calling the method, require _LSI and _LSR to be paired, and require read support before enabling write support. Cc: <stable@vger.kernel.org> Fixes: 4b27db7e ("acpi, nfit: add support for the _LS...") Suggested-by: Erik Schmauss <erik.schmauss@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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- 25 Mar, 2018 10 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dmaLinus Torvalds authored
Pull dmaengine fix from Vinod Koul: "One small fix for stm32-dmamux fixing buffer overflow" * tag 'dmaengine-fix-4.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/slave-dma: dmaengine: stm32-dmamux: fix a potential buffer overflow
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 and PTI fixes from Ingo Molnar: "Misc fixes: - fix EFI pagetables freeing - fix vsyscall pagetable setting on Xen PV guests - remove ancient CONFIG_X86_PPRO_FENCE=y - x86 is TSO again - fix two binutils (ld) development version related incompatibilities - clean up breakpoint handling - fix an x86 self-test" * 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/entry/64: Don't use IST entry for #BP stack x86/efi: Free efi_pgd with free_pages() x86/vsyscall/64: Use proper accessor to update P4D entry x86/cpu: Remove the CONFIG_X86_PPRO_FENCE=y quirk x86/boot/64: Verify alignment of the LOAD segment x86/build/64: Force the linker to use 2MB page size selftests/x86/ptrace_syscall: Fix for yet more glibc interference
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Ingo Molnar: "Make posix clock ID usage Spectre-safe" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: posix-timers: Protect posix clock array access against speculation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fixes from Ingo Molnar: "Two sched debug output related fixes: a console output fix and formatting fixes" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/debug: Adjust newlines for better alignment sched/debug: Fix per-task line continuation for console output
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "Misc kernel side fixes. Generic: - cgroup events counting fix x86: - Intel PMU truncated-parameter fix - RDPMC fix - API naming fix/rename - uncore driver big-hardware PCI enumeration fix - uncore driver filter constraint fix" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/cgroup: Fix child event counting bug perf/x86/intel/uncore: Fix multi-domain PCI CHA enumeration bug on Skylake servers perf/x86/intel: Rename confusing 'freerunning PEBS' API and implementation to 'large PEBS' perf/x86/intel/uncore: Add missing filter constraint for SKX CHA event perf/x86/intel: Don't accidentally clear high bits in bdw_limit_period() perf/x86/intel: Disable userspace RDPMC usage for large PEBS
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Ingo Molnar: "Two fixes: tighten up a jump-labels warning to not trigger on certain modules and fix confusing (and non-existent) mutex API documentation" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: jump_label: Disable jump labels in __exit code locking/mutex: Improve documentation
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Linus Torvalds authored
Tabs on a console with long lines do not wrap properly, so correctly account for the line length when computing the tab placement location. Reported-by: James Holderness <j4_james@hotmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespaceLinus Torvalds authored
Pull mqueuefs revert from Eric Biederman: "This fixes a regression that came in the merge window for v4.16. The problem is that the permissions for mounting and using the mqueuefs filesystem are broken. The necessary permission check is missing letting people who should not be able to mount mqueuefs mount mqueuefs. The field sb->s_user_ns is set incorrectly not allowing the mounter of mqueuefs to remount and otherwise have proper control over the filesystem. Al Viro and I see the path to the necessary fixes differently and I am not even certain at this point he actually sees all of the necessary fixes. Given a couple weeks we can probably work something out but I don't see the review being resolved in time for the final v4.16. I don't want v4.16 shipping with a nasty regression. So unfortunately I am sending a revert" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: Revert "mqueue: switch to on-demand creation of internal mount"
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Eric W. Biederman authored
This reverts commit 36735a6a. Aleksa Sarai <asarai@suse.de> writes: > [REGRESSION v4.16-rc6] [PATCH] mqueue: forbid unprivileged user access to internal mount > > Felix reported weird behaviour on 4.16.0-rc6 with regards to mqueue[1], > which was introduced by 36735a6a ("mqueue: switch to on-demand > creation of internal mount"). > > Basically, the reproducer boils down to being able to mount mqueue if > you create a new user namespace, even if you don't unshare the IPC > namespace. > > Previously this was not possible, and you would get an -EPERM. The mount > is the *host* mqueue mount, which is being cached and just returned from > mqueue_mount(). To be honest, I'm not sure if this is safe or not (or if > it was intentional -- since I'm not familiar with mqueue). > > To me it looks like there is a missing permission check. I've included a > patch below that I've compile-tested, and should block the above case. > Can someone please tell me if I'm missing something? Is this actually > safe? > > [1]: https://github.com/docker/docker/issues/36674 The issue is a lot deeper than a missing permission check. sb->s_user_ns was is improperly set as well. So in addition to the filesystem being mounted when it should not be mounted, so things are not allow that should be. We are practically to the release of 4.16 and there is no agreement between Al Viro and myself on what the code should looks like to fix things properly. So revert the code to what it was before so that we can take our time and discuss this properly. Fixes: 36735a6a ("mqueue: switch to on-demand creation of internal mount") Reported-by: Felix Abecassis <fabecassis@nvidia.com> Reported-by: Aleksa Sarai <asarai@suse.de> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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- 24 Mar, 2018 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlLinus Torvalds authored
Pull pin control fixes from Linus Walleij: "Two fixes for pin control for v4.16: - Renesas SH-PFC: remove a duplicate clkout pin which was causing crashes - fix Samsung out of bounds exceptions" * tag 'pinctrl-v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: samsung: Validate alias coming from DT pinctrl: sh-pfc: r8a7795: remove duplicate of CLKOUT pin in pinmux_pins[]
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- 23 Mar, 2018 10 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-traceLinus Torvalds authored
Pull kprobe fixes from Steven Rostedt: "The documentation for kprobe events says that symbol offets can take both a + and - sign to get to befor and after the symbol address. But in actuality, the code does not support the minus. This fixes that issue, and adds a few more selftests to kprobe events" * tag 'trace-v4.16-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: selftests: ftrace: Add a testcase for probepoint selftests: ftrace: Add a testcase for string type with kprobe_event selftests: ftrace: Add probe event argument syntax testcase tracing: probeevent: Fix to support minus offset from symbol
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Andy Lutomirski authored
There's nothing IST-worthy about #BP/int3. We don't allow kprobes in the small handful of places in the kernel that run at CPL0 with an invalid stack, and 32-bit kernels have used normal interrupt gates for #BP forever. Furthermore, we don't allow kprobes in places that have usergs while in kernel mode, so "paranoid" is also unnecessary. Signed-off-by: Andy Lutomirski <luto@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org
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Waiman Long authored
The efi_pgd is allocated as PGD_ALLOCATION_ORDER pages and therefore must also be freed as PGD_ALLOCATION_ORDER pages with free_pages(). Fixes: d9e9a641 ("x86/mm/pti: Allocate a separate user PGD") Signed-off-by: Waiman Long <longman@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: linux-efi@vger.kernel.org Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/1521746333-19593-1-git-send-email-longman@redhat.com
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mipsLinus Torvalds authored
Pull MIPS fixes from James Hogan: "Another miscellaneous pile of MIPS fixes for 4.16: - lantiq: fixes for clocks and Amazon SE (4.14) - ralink: fix booting on MT7621 (4.5) - ralink: fix halt (3.9)" * tag 'mips_fixes_4.16_5' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips: MIPS: ralink: Fix booting on MT7621 MIPS: ralink: Remove ralink_halt() MIPS: lantiq: ase: Enable MFD_SYSCON MIPS: lantiq: Enable AHB Bus for USB MIPS: lantiq: Fix Danube USB clock
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git://github.com/awilliam/linux-vfioLinus Torvalds authored
Pull VFIO fix from Alex Williamson: "Revert masking INTx where it cannot be enabled - it plays poorly with SR-IOV VFs and presumes DisINTx support" * tag 'vfio-v4.16-rc7' of git://github.com/awilliam/linux-vfio: Revert: "vfio-pci: Mask INTx if a device is not capabable of enabling it"
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git://git.infradead.org/linux-mtdLinus Torvalds authored
Pull MTD fixes from Boris Brezillon: - Fix several problems in the fsl_ifc NAND controller driver - Fix misuse of mtd_ooblayout_ecc() in mtdchar.c * tag 'mtd/fixes-for-4.16-rc7' of git://git.infradead.org/linux-mtd: mtd: nand: fsl_ifc: Read ECCSTAT0 and ECCSTAT1 registers for IFC 2.0 mtd: nand: fsl_ifc: Fix eccstat array overflow for IFC ver >= 2.0.0 mtd: nand: fsl_ifc: Fix nand waitfunc return value mtdchar: fix usage of mtd_ooblayout_ecc()
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging/IIO fixes from Greg KH: "Here are a few small staging and IIO fixes for various reported issues. All of them are tiny, the majority being iio driver fixes for small issues, and one staging driver fix for a memory corruption issue. All have been in linux-next with no reported issues" * tag 'staging-4.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: ncpfs: memory corruption in ncp_read_kernel() iio: st_pressure: st_accel: pass correct platform data to init Revert "iio: accel: st_accel: remove redundant pointer pdata" iio: adc: meson-saradc: unlock on error in meson_sar_adc_lock() dt-bindings: iio: adc: sd-modulator: fix io-channel-cells iio: adc: stm32-dfsdm: fix multiple channel initialization iio: adc: stm32-dfsdm: fix clock source selection iio: adc: stm32-dfsdm: fix call to stop channel iio: adc: stm32-dfsdm: fix compatible data use iio: chemical: ccs811: Corrected firmware boot/application mode transition
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull hyperv fix from Greg KH: "This is a single hyperv bugfix for 4.16-rc7. It resolves an issue with the ring-buffer signaling to resolve reported problems. It's been in linux-next for a while now with no reported issues" * tag 'char-misc-4.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: Drivers: hv: vmbus: Fix ring buffer signaling
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediaLinus Torvalds authored
Pull media fixes from Mauro Carvalho Chehab: "Three fixes: - dvb: fix a Kconfig typo on a help text - tegra-cec: reset rx_buf_cnt when start bit detected - rc: lirc does not use LIRC_CAN_SEND_SCANCODE feature" * tag 'media/v4.16-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: media: dvb: fix a Kconfig typo media: tegra-cec: reset rx_buf_cnt when start bit detected media: rc: lirc does not use LIRC_CAN_SEND_SCANCODE feature
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "Things look calming down, but people were still busy to plaster over small holes: - Two fixes to harden against races in aloop driver - A correction of a long-standing bug in USB-audio UAC2 processing unit parser - As usual suspects, HD-audio: a workaround for Coffee Lake controller and a few other device-specific fixes All small and for stable" * tag 'sound-4.16-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: aloop: Fix access to not-yet-ready substream via cable ALSA: aloop: Sync stale timer before release ALSA: hda/realtek - Fix speaker no sound after system resume ALSA: hda/realtek - Fix Dell headset Mic can't record ALSA: hda - Force polling mode on CFL for fixing codec communication ALSA: usb-audio: Fix parsing descriptor of UAC2 processing unit ALSA: hda/realtek - Always immediately update mute LED with pin VREF
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