[PATCH 5.15 00/20] 5.15.4-rc1 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

This is the start of the stable review cycle for the 5.15.4 release.
There are 20 patches in this series, all will be posted as a response
to this one.  If anyone has any issues with these being applied, please
let me know.

Responses should be made by Sun, 21 Nov 2021 17:14:35 +0000.
Anything received after that time might be too late.

The whole patch series can be found in one patch at:
	https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.15.4-rc1.gz
or in the git tree and branch at:
	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
and the diffstat can be found below.

thanks,

greg k-h

-------------
Pseudo-Shortlog of commits:

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Linux 5.15.4-rc1

Rafael J. Wysocki <rafael.j.wysocki@intel.com>
    Revert "ACPI: scan: Release PM resources blocked by unused objects"

Subbaraman Narayanamurthy <quic_subbaram@quicinc.com>
    thermal: Fix NULL pointer dereferences in of_thermal_ functions

Greg Thelen <gthelen@google.com>
    perf/core: Avoid put_page() when GUP fails

Marc Zyngier <maz@kernel.org>
    PCI: Add MSI masking quirk for Nvidia ION AHCI

Marc Zyngier <maz@kernel.org>
    PCI/MSI: Deal with devices lying about their MSI mask capability

Sven Schnelle <svens@stackframe.org>
    parisc/entry: fix trace test in syscall exit path

Nicholas Flintham <nick@flinny.org>
    Bluetooth: btusb: Add support for TP-Link UB500 Adapter

Xie Yongji <xieyongji@bytedance.com>
    loop: Use blk_validate_block_size() to validate block size

Xie Yongji <xieyongji@bytedance.com>
    block: Add a helper to validate the block size

Kees Cook <keescook@chromium.org>
    fortify: Explicitly disable Clang support

Johannes Thumshirn <johannes.thumshirn@wdc.com>
    btrfs: zoned: allow preallocation for relocation inodes

Johannes Thumshirn <johannes.thumshirn@wdc.com>
    btrfs: check for relocation inodes on zoned btrfs in should_nocow

Johannes Thumshirn <johannes.thumshirn@wdc.com>
    btrfs: zoned: use regular writes for relocation

Johannes Thumshirn <johannes.thumshirn@wdc.com>
    btrfs: zoned: only allow one process to add pages to a relocation inode

Johannes Thumshirn <johannes.thumshirn@wdc.com>
    btrfs: zoned: add a dedicated data relocation block group

Johannes Thumshirn <johannes.thumshirn@wdc.com>
    btrfs: introduce btrfs_is_data_reloc_root

David Woodhouse <dwmw@amazon.co.uk>
    KVM: Fix steal time asm constraints

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Revert "drm: fb_helper: fix CONFIG_FB dependency"

Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    Revert "drm: fb_helper: improve CONFIG_FB dependency"

Guenter Roeck <linux@roeck-us.net>
    string: uninline memcpy_and_pad


-------------

Diffstat:

 Makefile                     |  4 ++--
 arch/parisc/kernel/entry.S   |  2 +-
 arch/x86/kvm/x86.c           |  6 ++---
 drivers/acpi/glue.c          | 25 --------------------
 drivers/acpi/internal.h      |  1 -
 drivers/acpi/scan.c          |  6 -----
 drivers/block/loop.c         | 17 ++------------
 drivers/bluetooth/btusb.c    |  4 ++++
 drivers/gpu/drm/Kconfig      |  5 ++--
 drivers/pci/msi.c            |  3 +++
 drivers/pci/quirks.c         |  6 +++++
 drivers/thermal/thermal_of.c |  9 ++++---
 fs/btrfs/block-group.c       |  1 +
 fs/btrfs/ctree.h             | 12 ++++++++++
 fs/btrfs/disk-io.c           |  3 ++-
 fs/btrfs/extent-tree.c       | 56 +++++++++++++++++++++++++++++++++++++++++---
 fs/btrfs/extent_io.c         | 11 +++++++++
 fs/btrfs/inode.c             | 29 +++++++++++++----------
 fs/btrfs/relocation.c        | 38 +++---------------------------
 fs/btrfs/zoned.c             | 21 +++++++++++++++++
 fs/btrfs/zoned.h             |  3 +++
 include/linux/blkdev.h       |  8 +++++++
 include/linux/pci.h          |  2 ++
 include/linux/string.h       | 19 ++-------------
 kernel/events/core.c         | 10 ++++----
 lib/string_helpers.c         | 20 ++++++++++++++++
 security/Kconfig             |  3 +++
 27 files changed, 193 insertions(+), 131 deletions(-)