• Peter Zijlstra's avatar
    locking/spinlock: Update spin_unlock_wait() users · be3e7844
    Peter Zijlstra authored
    With the modified semantics of spin_unlock_wait() a number of
    explicit barriers can be removed. Also update the comment for the
    do_exit() usecase, as that was somewhat stale/obscure.
    Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Cc: linux-kernel@vger.kernel.org
    Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
sem.c 55.9 KB