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    Subject[PATCH 3/6] sched, wait: Change the wait_exclusive control flow
    Purely a preparatory patch; it changes the control flow to match what
    will soon be generated by generic code so that that patch can be a
    unity transform.

    Signed-off-by: Peter Zijlstra <peterz@infradead.org>
    ---
    include/linux/wait.h | 9 +++++----
    1 file changed, 5 insertions(+), 4 deletions(-)

    --- a/include/linux/wait.h
    +++ b/include/linux/wait.h
    @@ -430,23 +430,24 @@ do { \

    #define __wait_event_interruptible_exclusive(wq, condition, ret) \
    do { \
    + __label__ __out; \
    DEFINE_WAIT(__wait); \
    \
    for (;;) { \
    prepare_to_wait_exclusive(&wq, &__wait, \
    TASK_INTERRUPTIBLE); \
    - if (condition) { \
    - finish_wait(&wq, &__wait); \
    + if (condition) \
    break; \
    - } \
    if (signal_pending(current)) { \
    ret = -ERESTARTSYS; \
    abort_exclusive_wait(&wq, &__wait, \
    TASK_INTERRUPTIBLE, NULL); \
    - break; \
    + goto __out; \
    } \
    schedule(); \
    } \
    + finish_wait(&wq, &__wait); \
    +__out: ; \
    } while (0)

    #define wait_event_interruptible_exclusive(wq, condition) \



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