- 28 May, 2019 5 commits
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Benjamin Tissoires authored
Some new touchpads IC are connected through PS/2 and I2C. On some of these new IC, the I2C part doesn't have all of the information available. We need to be able to forward the touchpad parameters from PS/2 and thus, we need those new optional properties. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Benjamin Tissoires authored
Looks like the new generation of Lenovo machine also need to be added to the PnPID whitelist. This is definitively not going to scale, as there is nothing that tells us currently if a touchpad supports a true physical middle button. Consider that all new touchpads that are not clickpads (so matching ETP_NEW_IC_SMBUS_HOST_NOTIFY) are handling 3 physical buttons. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Benjamin Tissoires authored
We check for this bit all over the code, better have it defined once for all. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Benjamin Tissoires authored
For the latest generation of Elantech touchpads, we need to forward the min/max information from PS/2 to SMBus. Prepare this work by fetching the information before creating the SMBus companion device. Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Dmitry Torokhov authored
Sync up with 'for-linus' branch to avoid merge conflicts with following patches to Elan touchpad drivers.
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- 23 May, 2019 3 commits
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Axel Lin authored
Calling i2c_set_clientdata() is enough. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Jeff LaBundy <jeff@labundy.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Andrey Smirnov authored
In the case of compat syscall ioctl numbers for UI_BEGIN_FF_UPLOAD and UI_END_FF_UPLOAD need to be adjusted before being passed on uinput_ioctl_handler() since code built with -m32 will be passing slightly different values. Extend the code already covering UI_SET_PHYS to cover UI_BEGIN_FF_UPLOAD and UI_END_FF_UPLOAD as well. Reported-by: Pierre-Loup A. Griffais <pgriffais@valvesoftware.com> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Daniel Smith authored
On Chuwi Hi10 Plus, the Silead device id is MSSL0017. Signed-off-by: Daniel Smith <danct12@disroot.org> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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- 21 May, 2019 5 commits
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Aaron Ma authored
Adding 2 new touchpad PNPIDs to enable middle button support. Signed-off-by: Aaron Ma <aaron.ma@canonical.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Anson Huang authored
Use the new helper devm_platform_ioremap_resource() which wraps the platform_get_resource() and devm_ioremap_resource() together, to simplify the code. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Anson Huang authored
Use the new helper devm_platform_ioremap_resource() which wraps the platform_get_resource() and devm_ioremap_resource() together, to simplify the code. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> Reviewed-by: Mukesh Ojha <mojha@codeaurora.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Wolfram Sang authored
Convert the header of the source file to SPDX. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Steve Twiss <stwiss.opensource@diasemi.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Wolfram Sang authored
There are no in-kernel users anymore, so remove this outdated interface. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Acked-by: Steve Twiss <stwiss.opensource@diasemi.com> Tested-by: Steve Twiss <stwiss.opensource@diasemi.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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- 15 May, 2019 2 commits
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Daniel Mack authored
For systems in which the touch IRQ is acting as wakeup source, and that do not support level-driven interrupts, the interrupt controller might not latch the GPIO IRQ during sleep. In such cases, the interrupt will never occur again after resume, hence the touch screen appears dead. To fix this, check for the assertion of the attn gpio, and read form the controller once in the resume path to read the hardware status and to arm the IRQ again. Introduce a mutex to guard eeti_ts_read() against parallel invocations from different contexts. Signed-off-by: Daniel Mack <daniel@zonque.org> Reported-by: Sven Neumann <Sven.Neumann@teufel.de> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Ravi Chandra Sadineni authored
Notify the PM core that this device is the wake source. This helps userspace daemon tracking the wake sources to identify the origin of the wake. Signed-off-by: Ravi Chandra Sadineni <ravisadineni@chromium.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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- 10 May, 2019 3 commits
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Dmitry Torokhov authored
Merge tag 'ib-mfd-gpio-input-leds-power-v5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next Sync up with MFD tree to bring in MAX77650 PMIC driver.
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Dmitry Torokhov authored
Sync up with mainline to bring in the latest APIs.
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Dmitry Torokhov authored
Prepare input updates for 5.2 merge window.
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- 08 May, 2019 11 commits
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Bartosz Golaszewski authored
I plan on extending this set of drivers so add myself as maintainer. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add support for the push- and slide-button events for max77650. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
This adds basic support for LEDs for the max77650 PMIC. The device has three current sinks for driving LEDs. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by: Jacek Anaszewski <jacek.anaszewski@gmail.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add GPIO support for max77650 mfd device. This PMIC exposes a single GPIO line. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add basic support for the battery charger for max77650 PMIC. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add the core MFD driver for max77650 PMIC. We define five sub-devices for which the drivers will be added in subsequent patches. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add a kernel doc for mfd_add_devices(). Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add the DT binding document for the onkey module of max77650. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add the DT binding document for the LEDs module of max77650. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add the DT binding document for the battery charger module of max77650. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Bartosz Golaszewski authored
Add a DT binding document for max77650 ultra-low power PMIC. This describes the core mfd device and the GPIO module. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Rob Herring <robh@kernel.org> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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- 07 May, 2019 2 commits
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Gustavo A. R. Silva authored
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/input/serio/libps2.c: In function ‘ps2_handle_ack’: drivers/input/serio/libps2.c:407:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (ps2dev->flags & PS2_FLAG_NAK) { ^ drivers/input/serio/libps2.c:417:2: note: here case 0x00: ^~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Marco Felsch authored
Add initial support for the AT42QT1050 (QT1050) device. The device supports up to five input keys, dependent on the mode. Since it adds only the initial support, the "1 to 4 keys plus Guard Channel" mode isn't supported. Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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- 06 May, 2019 1 commit
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Linus Torvalds authored
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- 05 May, 2019 5 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Ingo Molnar: "I'd like to apologize for this very late pull request: I was dithering through the week whether to send the fixes, and then yesterday Jiri's crash fix for a regression introduced in this cycle clearly marked perf/urgent as 'must merge now'. Most of the commits are tooling fixes, plus there's three kernel fixes via four commits: - race fix in the Intel PEBS code - fix an AUX bug and roll back a previous attempt - fix AMD family 17h generic HW cache-event perf counters The largest diffstat contribution comes from the AMD fix - a new event table is introduced, which is a fairly low risk change but has a large linecount" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf/x86/intel: Fix race in intel_pmu_disable_event() perf/x86/intel/pt: Remove software double buffering PMU capability perf/ring_buffer: Fix AUX software double buffering perf tools: Remove needless asm/unistd.h include fixing build in some places tools arch uapi: Copy missing unistd.h headers for arc, hexagon and riscv tools build: Add -ldl to the disassembler-four-args feature test perf cs-etm: Always allocate memory for cs_etm_queue::prev_packet perf cs-etm: Don't check cs_etm_queue::prev_packet validity perf report: Report OOM in status line in the GTK UI perf bench numa: Add define for RUSAGE_THREAD if not present tools lib traceevent: Change tag string for error perf annotate: Fix build on 32 bit for BPF annotation tools uapi x86: Sync vmx.h with the kernel perf bpf: Return value with unlocking in perf_env__find_btf() MAINTAINERS: Include vendor specific files under arch/*/events/* perf/x86/amd: Update generic hardware cache events for Family 17h
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fix from Ingo Molnar: "Fix a kobject memory leak in the cpufreq code" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/cpufreq: Fix kobject memleak
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fix from Ingo Molnar: "Disable function tracing during early SME setup to fix a boot crash on SME-enabled kernels running distro kernels (some of which have function tracing enabled)" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mm/mem_encrypt: Disable all instrumentation for early SME setup
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs fixes from Al Viro: - a couple of ->i_link use-after-free fixes - regression fix for wrong errno on absent device name in mount(2) (this cycle stuff) - ancient UFS braino in large GID handling on Solaris UFS images (bogus cut'n'paste from large UID handling; wrong field checked to decide whether we should look at old (16bit) or new (32bit) field) * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: ufs: fix braino in ufs_get_inode_gid() for solaris UFS flavour Abort file_remove_privs() for non-reg. files [fix] get rid of checking for absent device name in vfs_get_tree() apparmorfs: fix use-after-free on symlink traversal securityfs: fix use-after-free on symlink traversal
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Jiri Olsa authored
New race in x86_pmu_stop() was introduced by replacing the atomic __test_and_clear_bit() of cpuc->active_mask by separate test_bit() and __clear_bit() calls in the following commit: 3966c3fe ("x86/perf/amd: Remove need to check "running" bit in NMI handler") The race causes panic for PEBS events with enabled callchains: BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 ... RIP: 0010:perf_prepare_sample+0x8c/0x530 Call Trace: <NMI> perf_event_output_forward+0x2a/0x80 __perf_event_overflow+0x51/0xe0 handle_pmi_common+0x19e/0x240 intel_pmu_handle_irq+0xad/0x170 perf_event_nmi_handler+0x2e/0x50 nmi_handle+0x69/0x110 default_do_nmi+0x3e/0x100 do_nmi+0x11a/0x180 end_repeat_nmi+0x16/0x1a RIP: 0010:native_write_msr+0x6/0x20 ... </NMI> intel_pmu_disable_event+0x98/0xf0 x86_pmu_stop+0x6e/0xb0 x86_pmu_del+0x46/0x140 event_sched_out.isra.97+0x7e/0x160 ... The event is configured to make samples from PEBS drain code, but when it's disabled, we'll go through NMI path instead, where data->callchain will not get allocated and we'll crash: x86_pmu_stop test_bit(hwc->idx, cpuc->active_mask) intel_pmu_disable_event(event) { ... intel_pmu_pebs_disable(event); ... EVENT OVERFLOW -> <NMI> intel_pmu_handle_irq handle_pmi_common TEST PASSES -> test_bit(bit, cpuc->active_mask)) perf_event_overflow perf_prepare_sample { ... if (!(sample_type & __PERF_SAMPLE_CALLCHAIN_EARLY)) data->callchain = perf_callchain(event, regs); CRASH -> size += data->callchain->nr; } </NMI> ... x86_pmu_disable_event(event) } __clear_bit(hwc->idx, cpuc->active_mask); Fixing this by disabling the event itself before setting off the PEBS bit. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Arcari <darcari@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Lendacky Thomas <Thomas.Lendacky@amd.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Vince Weaver <vincent.weaver@maine.edu> Fixes: 3966c3fe ("x86/perf/amd: Remove need to check "running" bit in NMI handler") Link: http://lkml.kernel.org/r/20190504151556.31031-1-jolsa@kernel.orgSigned-off-by: Ingo Molnar <mingo@kernel.org>
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- 04 May, 2019 1 commit
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fix from Michael Ellerman: "One regression fix. Changes we merged to STRICT_KERNEL_RWX on 32-bit were causing crashes under load on some machines depending on memory layout. Thanks to Christophe Leroy" * tag 'powerpc-5.1-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/32s: Fix BATs setting with CONFIG_STRICT_KERNEL_RWX
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- 03 May, 2019 2 commits
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM fixes from Paolo Bonzini: - PPC and ARM bugfixes from submaintainers - Fix old Windows versions on AMD (recent regression) - Fix old Linux versions on processors without EPT - Fixes for LAPIC timer optimizations * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (21 commits) KVM: nVMX: Fix size checks in vmx_set_nested_state KVM: selftests: make hyperv_cpuid test pass on AMD KVM: lapic: Check for in-kernel LAPIC before deferencing apic pointer KVM: fix KVM_CLEAR_DIRTY_LOG for memory slots of unaligned size x86/kvm/mmu: reset MMU context when 32-bit guest switches PAE KVM: x86: Whitelist port 0x7e for pre-incrementing %rip Documentation: kvm: fix dirty log ioctl arch lists KVM: VMX: Move RSB stuffing to before the first RET after VM-Exit KVM: arm/arm64: Don't emulate virtual timers on userspace ioctls kvm: arm: Skip stage2 huge mappings for unaligned ipa backed by THP KVM: arm/arm64: Ensure vcpu target is unset on reset failure KVM: lapic: Convert guest TSC to host time domain if necessary KVM: lapic: Allow user to disable adaptive tuning of timer advancement KVM: lapic: Track lapic timer advance per vCPU KVM: lapic: Disable timer advancement if adaptive tuning goes haywire x86: kvm: hyper-v: deal with buggy TLB flush requests from WS2012 KVM: x86: Consider LAPIC TSC-Deadline timer expired if deadline too short KVM: PPC: Book3S: Protect memslots while validating user address KVM: PPC: Book3S HV: Perserve PSSCR FAKE_SUSPEND bit on guest exit KVM: arm/arm64: vgic-v3: Retire pending interrupts on disabling LPIs ...
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Linus Torvalds authored
Merge branch 'i2c/for-current-fixed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "I2C driver bugfixes and a MAINTAINERS update for you" * 'i2c/for-current-fixed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: Prevent runtime suspend of adapter when Host Notify is required i2c: synquacer: fix enumeration of slave devices MAINTAINERS: friendly takeover of i2c-gpio driver i2c: designware: ratelimit 'transfer when suspended' errors i2c: imx: correct the method of getting private data in notifier_call
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