6.12.65-rc1 review

This is the start of the stable review cycle for the 6.12.65 release. There are 16 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, 11 Jan 2026 11:19:41 +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/v6.x/stable-review/patch-6.12.65-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-6.12.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <[email protected]>

    Linux 6.12.65-rc1

Greg Kroah-Hartman <[email protected]>
Revert "iommu/amd: Skip enabling command/event buffers for kdump"

Sean Nyekjaer <[email protected]>
pwm: stm32: Always program polarity

Maximilian Immanuel Brandtner <[email protected]>
virtio_console: fix order of fields cols and rows

Peter Zijlstra <[email protected]>
sched/fair: Proportional newidle balance

Peter Zijlstra <[email protected]>
sched/fair: Small cleanup to update_newidle_cost()

Peter Zijlstra <[email protected]>
sched/fair: Small cleanup to sched_balance_newidle()

Thadeu Lima de Souza Cascardo <[email protected]>
net: Remove RTNL dance for SIOCBRADDIF and SIOCBRDELIF.

Richa Bharti <[email protected]>
cpufreq: intel_pstate: Check IDA only before MSR_IA32_PERF_CTL writes

Natalie Vock <[email protected]>
drm/amdgpu: Forward VMID reservation errors

Miaoqian Lin <[email protected]>
net: phy: mediatek: fix nvmem cell reference leak in mt798x_phy_calibration

Jouni Malinen <[email protected]>
wifi: mac80211: Discard Beacon frames to non-broadcast address

Paolo Abeni <[email protected]>
mptcp: ensure context reset on disconnect()

Bijan Tabatabai <[email protected]>
mm: consider non-anon swap cache folios in folio_expected_ref_count()

David Hildenbrand <[email protected]>
mm: simplify folio_expected_ref_count()

Alexander Gordeev <[email protected]>
mm/page_alloc: change all pageblocks migrate type on coalescing

Paolo Abeni <[email protected]>
mptcp: fallback earlier on simult connection

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

Diffstat:

 Makefile                               |  4 +--
 drivers/char/virtio_console.c          |  2 +-
 drivers/cpufreq/intel_pstate.c         |  9 +++--
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c |  6 ++--
 drivers/iommu/amd/init.c               | 28 +++++----------
 drivers/net/phy/mediatek-ge-soc.c      |  2 +-
 drivers/pwm/pwm-stm32.c                |  3 +-
 include/linux/if_bridge.h              |  6 ++--
 include/linux/mm.h                     | 10 +++---
 include/linux/sched/topology.h         |  3 ++
 kernel/sched/core.c                    |  3 ++
 kernel/sched/fair.c                    | 65 +++++++++++++++++++++++++++-------
 kernel/sched/features.h                |  5 +++
 kernel/sched/sched.h                   |  7 ++++
 kernel/sched/topology.c                |  6 ++++
 mm/page_alloc.c                        | 24 ++++++-------
 net/bridge/br_ioctl.c                  | 36 +++++++++++++++++--
 net/bridge/br_private.h                |  3 +-
 net/core/dev_ioctl.c                   | 16 ---------
 net/mac80211/rx.c                      |  5 +++
 net/mptcp/options.c                    | 10 ++++++
 net/mptcp/protocol.c                   |  8 +++--
 net/mptcp/protocol.h                   |  9 +++--
 net/mptcp/subflow.c                    | 10 +-----
 net/socket.c                           | 19 +++++-----
 25 files changed, 186 insertions(+), 113 deletions(-)