[PATCH 4.4 00/11] 4.4.280-rc1 review

[Greg Kroah-Hartman]

This is the start of the stable review cycle for the 4.4.280 release.
There are 11 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 Tue, 10 Aug 2021 07:22:11 +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/v4.x/stable-review/patch-4.4.280-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-4.4.y
and the diffstat can be found below.

thanks,

greg k-h

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

Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
    Linux 4.4.280-rc1

Anna-Maria Gleixner <anna-maria@xxxxxxxxxxxxx>
    rcu: Update documentation of rcu_read_unlock()

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
    futex,rt_mutex: Fix rt_mutex_cleanup_proxy_lock()

Thomas Gleixner <tglx@xxxxxxxxxxxxx>
    futex: Avoid freeing an active timer

Mike Galbraith <efault@xxxxxx>
    futex: Handle transient "ownerless" rtmutex state correctly

Thomas Gleixner <tglx@xxxxxxxxxxxxx>
    rtmutex: Make wait_lock irq safe

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
    futex: Futex_unlock_pi() determinism

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
    futex: Rework futex_lock_pi() to use rt_mutex_*_proxy_lock()

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
    futex: Pull rt_mutex_futex_unlock() out from under hb->lock

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
    futex,rt_mutex: Introduce rt_mutex_init_waiter()

Peter Zijlstra <peterz@xxxxxxxxxxxxx>
    futex: Cleanup refcounting

Thomas Gleixner <tglx@xxxxxxxxxxxxx>
    futex: Rename free_pi_state() to put_pi_state()


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

Diffstat:

 Makefile                        |   4 +-
 include/linux/rcupdate.h        |   4 +-
 kernel/futex.c                  | 245 ++++++++++++++++++++++++++--------------
 kernel/locking/rtmutex.c        | 185 ++++++++++++++++--------------
 kernel/locking/rtmutex_common.h |   2 +-
 5 files changed, 264 insertions(+), 176 deletions(-)