[PATCH 5.15 0/9] 5.15.50-rc1 review

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

This is the start of the stable review cycle for the 5.15.50 release.
There are 9 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 Sat, 25 Jun 2022 16:43:11 +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-5.15.50-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 5.15.50-rc1

Will Deacon <will@kernel.org>
    arm64: mm: Don't invalidate FROM_DEVICE buffers at start of DMA transfer

Lukas Wunner <lukas@wunner.de>
    serial: core: Initialize rs485 RTS polarity already on probe

Toke Høiland-Jørgensen <toke@redhat.com>
    selftests/bpf: Add selftest for calling global functions from freplace

Toke Høiland-Jørgensen <toke@redhat.com>
    bpf: Fix calling global functions from BPF_PROG_TYPE_EXT programs

Marian Postevca <posteuca@mutex.one>
    usb: gadget: u_ether: fix regression in setting fixed MAC address

Damien Le Moal <damien.lemoal@opensource.wdc.com>
    zonefs: fix zonefs_iomap_begin() for reads

Haiyang Zhang <haiyangz@microsoft.com>
    net: mana: Add handling of CQE_RX_TRUNCATED

Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
    drm/amd/display: Don't reinitialize DMCUB on s0ix resume

Christian Borntraeger <borntraeger@linux.ibm.com>
    s390/mm: use non-quiescing sske for KVM switch to keyed guest


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

Diffstat:

 Makefile                                           |  4 +-
 arch/arm64/mm/cache.S                              |  2 -
 arch/s390/mm/pgtable.c                             |  2 +-
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c  | 30 ++++++-
 drivers/net/ethernet/microsoft/mana/mana_en.c      |  7 +-
 drivers/tty/serial/amba-pl011.c                    | 15 +---
 drivers/tty/serial/serial_core.c                   | 34 +++-----
 drivers/usb/gadget/function/u_ether.c              | 11 ++-
 fs/zonefs/super.c                                  | 94 +++++++++++++++-------
 kernel/bpf/btf.c                                   |  5 +-
 .../selftests/bpf/prog_tests/fexit_bpf2bpf.c       | 14 ++++
 .../selftests/bpf/progs/freplace_global_func.c     | 18 +++++
 12 files changed, 156 insertions(+), 80 deletions(-)