linux-kernel - [PATCH tip/core/rcu 0/9] Remove spin_unlock

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Message-Id: <20170724221252.GA14238@linux.vnet.ibm.com>
Date:   Mon, 24 Jul 2017 15:12:52 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org
Cc:     mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
        akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
        josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
        rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
        fweisbec@...il.com, oleg@...hat.com
Subject: [PATCH tip/core/rcu 0/9] Remove spin_unlock_wait()

Hello!

This series removes spin_unlock_wait():

1.	Remove spin_unlock_wait() from net/netfilter/nf_conntrack_core,
	courtesy of Manfred Spraul.

2.	Replace task_work use of spin_unlock_wait() with lock/unlock
	pair, courtesy of Oleg Nesterov.

3.	Replace scheduler use of spin_unlock_wait() with lock/unlock pair.

4.	Replace completion use of spin_unlock_wait() with lock/unlock
	pair.

5.	Replace exit() use of spin_unlock_wait() with lock/unlock pair.

6.	Replace IPC use of spin_unlock_wait() with lock/unlock pair.

7.	Replace ATA use of spin_unlock_wait() with lock/unlock pair.

8.	Remove generic definition of spin_unlock_wait().

9.	Remove architecture-specific definitions of spin_unlock_wait().

							Thanx, Paul

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

 arch/alpha/include/asm/spinlock.h    |    5 -
 arch/arc/include/asm/spinlock.h      |    5 -
 arch/arm/include/asm/spinlock.h      |   16 ----
 arch/arm64/include/asm/spinlock.h    |   58 +----------------
 arch/blackfin/include/asm/spinlock.h |    5 -
 arch/hexagon/include/asm/spinlock.h  |    5 -
 arch/ia64/include/asm/spinlock.h     |   21 ------
 arch/m32r/include/asm/spinlock.h     |    5 -
 arch/metag/include/asm/spinlock.h    |    5 -
 arch/mn10300/include/asm/spinlock.h  |    5 -
 arch/parisc/include/asm/spinlock.h   |    7 --
 arch/powerpc/include/asm/spinlock.h  |   33 ---------
 arch/s390/include/asm/spinlock.h     |    7 --
 arch/sh/include/asm/spinlock-cas.h   |    5 -
 arch/sh/include/asm/spinlock-llsc.h  |    5 -
 arch/sparc/include/asm/spinlock_32.h |    5 -
 arch/tile/include/asm/spinlock_32.h  |    2 
 arch/tile/include/asm/spinlock_64.h  |    2 
 arch/tile/lib/spinlock_32.c          |   23 ------
 arch/tile/lib/spinlock_64.c          |   22 ------
 arch/xtensa/include/asm/spinlock.h   |    5 -
 drivers/ata/libata-eh.c              |    8 --
 include/asm-generic/qspinlock.h      |   14 ----
 include/linux/spinlock.h             |   31 ---------
 include/linux/spinlock_up.h          |    6 -
 ipc/sem.c                            |    3 
 kernel/exit.c                        |    3 
 kernel/locking/qspinlock.c           |  117 -----------------------------------
 kernel/sched/completion.c            |    9 --
 kernel/sched/core.c                  |    5 -
 kernel/task_work.c                   |    8 --
 net/netfilter/nf_conntrack_core.c    |   52 ++++++++-------
 32 files changed, 48 insertions(+), 454 deletions(-)