diff options
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index f456433cf535..09545d445a55 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1504,8 +1504,10 @@ static void worker_leave_idle(struct worker *worker) } /** - * worker_maybe_bind_and_lock - bind worker to its cpu if possible and lock pool - * @worker: self + * worker_maybe_bind_and_lock - try to bind %current to worker_pool and lock it + * @pool: target worker_pool + * + * Bind %current to the cpu of @pool if it is associated and lock @pool. * * Works which are scheduled while the cpu is online must at least be * scheduled to a worker which is bound to the cpu so that if they are @@ -1533,11 +1535,9 @@ static void worker_leave_idle(struct worker *worker) * %true if the associated pool is online (@worker is successfully * bound), %false if offline. */ -static bool worker_maybe_bind_and_lock(struct worker *worker) +static bool worker_maybe_bind_and_lock(struct worker_pool *pool) __acquires(&pool->lock) { - struct worker_pool *pool = worker->pool; - while (true) { /* * The following call may fail, succeed or succeed @@ -1575,7 +1575,7 @@ __acquires(&pool->lock) static void idle_worker_rebind(struct worker *worker) { /* CPU may go down again inbetween, clear UNBOUND only on success */ - if (worker_maybe_bind_and_lock(worker)) + if (worker_maybe_bind_and_lock(worker->pool)) worker_clr_flags(worker, WORKER_UNBOUND); /* rebind complete, become available again */ @@ -1593,7 +1593,7 @@ static void busy_worker_rebind_fn(struct work_struct *work) { struct worker *worker = container_of(work, struct worker, rebind_work); - if (worker_maybe_bind_and_lock(worker)) + if (worker_maybe_bind_and_lock(worker->pool)) worker_clr_flags(worker, WORKER_UNBOUND); spin_unlock_irq(&worker->pool->lock); @@ -2038,7 +2038,7 @@ static bool manage_workers(struct worker *worker) * on @pool's current state. Try it and adjust * %WORKER_UNBOUND accordingly. */ - if (worker_maybe_bind_and_lock(worker)) + if (worker_maybe_bind_and_lock(pool)) worker->flags &= ~WORKER_UNBOUND; else worker->flags |= WORKER_UNBOUND; @@ -2358,7 +2358,7 @@ repeat: /* migrate to the target cpu if possible */ rescuer->pool = pool; - worker_maybe_bind_and_lock(rescuer); + worker_maybe_bind_and_lock(pool); /* * Slurp in all works issued via this workqueue and |