[GIT PULL] locking fixes

[Ingo Molnar]

Linus,

Please pull the latest locking/urgent Git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-urgent-2026-08-22

for you to fetch changes up to d8aa5dd97944a72d4a9e3cc79bb80fcac7d6e829:

Miscellaneous futex fixes:

 - Series to enforce that private futex owner shares the mm when
   attaching. (Kyle Zeng, Thomas Gleixner)

 - Fix race on the initial mm->futex.phash.ref allocation
   (Hyunwoo Kim)

 - Fix might_sleep() warning in futex_pivot_pending()
   (Peter Zijlstra)

 Thanks,

	Ingo

------------------>
Hyunwoo Kim (1):
      futex: Fix race on the initial mm->futex.phash.ref allocation

Kyle Zeng (1):
      futex/pi: Reject cross-mm private futex owners

Peter Zijlstra (1):
      futex: Fix might_sleep() warning in futex_pivot_pending()

Thomas Gleixner (3):
      futex: Sanitize and document task_struct::futex::state transitions
      futex/pi: Plug private futex exec() race
      futex: Clean up the redundant exit/exec functions


 fs/exec.c                |   9 ++--
 include/linux/futex.h    |   8 ++--
 include/linux/sched/mm.h |  10 ++--
 include/linux/wait.h     |   1 +
 include/linux/wait_bit.h |   1 +
 kernel/exit.c            |   2 +-
 kernel/fork.c            |  10 +---
 kernel/futex/core.c      | 104 ++++++++++++++++++++++++++++------------
 kernel/futex/pi.c        | 121 ++++++++++++++++++++++++++++++++++++-----------
 kernel/sched/wait.c      |  15 ++++++
 kernel/sched/wait_bit.c  |  14 ++++--
 11 files changed, 214 insertions(+), 81 deletions(-)