linux-kernel - [RFC PATCH 0/4] Membarrier fixes/cleanups

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Message-Id: <20190906031300.1647-1-mathieu.desnoyers@efficios.com>
Date:   Thu,  5 Sep 2019 23:12:56 -0400
From:   Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        "Paul E. McKenney" <paulmck@...ux.ibm.com>
Cc:     Ingo Molnar <mingo@...nel.org>, linux-kernel@...r.kernel.org,
        Oleg Nesterov <oleg@...hat.com>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Russell King - ARM Linux admin <linux@...linux.org.uk>,
        Chris Metcalf <cmetcalf@...hip.com>,
        Christoph Lameter <cl@...ux.com>,
        Kirill Tkhai <tkhai@...dex.ru>, Mike Galbraith <efault@....de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Subject: [RFC PATCH 0/4] Membarrier fixes/cleanups

This series of fixes/cleanups is submitted for feedback. It takes care
of membarrier issues recently discussed.

Thanks,

Mathieu

Mathieu Desnoyers (4):
  Fix: sched/membarrier: private expedited registration check
  Cleanup: sched/membarrier: remove redundant check
  Cleanup: sched/membarrier: only sync_core before usermode for same mm
  Fix: sched/membarrier: p->mm->membarrier_state racy load

 include/linux/mm_types.h  |   7 +-
 include/linux/sched/mm.h  |   8 +--
 kernel/sched/core.c       |   1 +
 kernel/sched/membarrier.c | 141 +++++++++++++++++++++++++++-----------
 kernel/sched/sched.h      |  33 +++++++++
 5 files changed, 143 insertions(+), 47 deletions(-)

-- 
2.17.1