[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-2026-10-18

for you to fetch changes up to 7cbaa0f4579f48e92639c6abb761fdef8fbade47:

Locking fixes:

 - Fix FUT_OFF_MMSHARED futex hashing bug that can cause
   missed wakeups or spurious wakeups on futex-waiting
   tasks (Jann Horn)

 - Fix lockdep context tracking bug in the deferred hrtimer
   rearming entry code, which causes a lockdep chain leak
   that will eventually turn lockdep off (Mikhail Gavrilov)

 Thanks,

	Ingo

------------------>
Jann Horn (1):
      futex: Fix mm reuse handling for FUT_OFF_MMSHARED

Mikhail Gavrilov (1):
      entry: Account the deferred hrtimer rearm as hardirq context for lockdep


 include/linux/futex.h            | 19 ++++++++-------
 include/linux/futex_types.h      |  2 ++
 include/linux/irq-entry-common.h | 23 ++++++++++++++++--
 kernel/futex/core.c              | 51 ++++++++++++++++++++++------------------
 4 files changed, 62 insertions(+), 33 deletions(-)