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Changes in 4.19.16 Btrfs: fix deadlock when using free space tree due to block group creation staging: rtl8188eu: Fix module loading from tasklet for CCMP encryption staging: rtl8188eu: Fix module loading from tasklet for WEP encryption cpufreq: scmi: Fix frequency invariance in slow path x86, modpost: Replace last remnants of RETPOLINE with CONFIG_RETPOLINE ALSA: hda/realtek - Support Dell headset mode for New AIO platform ALSA: hda/realtek - Add unplug function into unplug state of Headset Mode for ALC225 ALSA: hda/realtek - Disable headset Mic VREF for headset mode of ALC225 CIFS: Fix adjustment of credits for MTU requests CIFS: Do not set credits to 1 if the server didn't grant anything CIFS: Do not hide EINTR after sending network packets CIFS: Fix credit computation for compounded requests cifs: Fix potential OOB access of lock element array usb: cdc-acm: send ZLP for Telit 3G Intel based modems USB: storage: don't insert sane sense for SPC3+ when bad sense specified USB: storage: add quirk for SMI SM3350 USB: Add USB_QUIRK_DELAY_CTRL_MSG quirk for Corsair K70 RGB slab: alien caches must not be initialized if the allocation of the alien cache failed mm/usercopy.c: no check page span for stack objects mm, memcg: fix reclaim deadlock with writeback ACPI: power: Skip duplicate power resource references in _PRx ACPI / PMIC: xpower: Fix TS-pin current-source handling ACPI/IORT: Fix rc_dma_get_range() i2c: dev: prevent adapter retries and timeout being set as minus value mtd: rawnand: qcom: fix memory corruption that causes panic vfio/type1: Fix unmap overflow off-by-one drm/amdgpu: Add new VegaM pci id PCI: dwc: Use interrupt masking instead of disabling PCI: dwc: Take lock when ACKing an interrupt PCI: dwc: Move interrupt acking into the proper callback drm/amd/display: Fix MST dp_blank REG_WAIT timeout drm/fb_helper: Allow leaking fbdev smem_start drm/fb-helper: Partially bring back workaround for bugs of SDL 1.2 drm/i915: Unwind failure on pinning the gen7 ppgtt drm/amdgpu: Don't ignore rc from drm_dp_mst_topology_mgr_resume() drm/amdgpu: Don't fail resume process if resuming atomic state fails rbd: don't return 0 on unmap if RBD_DEV_FLAG_REMOVING is set ext4: make sure enough credits are reserved for dioread_nolock writes ext4: fix a potential fiemap/page fault deadlock w/ inline_data ext4: avoid kernel warning when writing the superblock to a dead device ext4: use ext4_write_inode() when fsyncing w/o a journal ext4: track writeback errors using the generic tracking infrastructure ext4: fix special inode number checks in __ext4_iget() mm: page_mapped: don't assume compound page is huge or THP sunrpc: use-after-free in svc_process_common() KVM: arm/arm64: Fix VMID alloc race by reverting to lock-less arm64: compat: Don't pull syscall number from regs in arm_compat_syscall Btrfs: fix access to available allocation bits when starting balance Btrfs: fix deadlock when enabling quotas due to concurrent snapshot creation Btrfs: use nofs context when initializing security xattrs to avoid deadlock Linux 4.19.16 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.