From: Petr Mladek <pmladek@xxxxxxxx>
Subject: kthread: kthread worker API cleanup
A good practice is to prefix the names of functions by the name
of the subsystem.
The kthread worker API is a mix of classic kthreads and workqueues. Each
worker has a dedicated kthread. It runs a generic function that process
queued works. It is implemented as part of the kthread subsystem.
This patch renames the existing kthread worker API to use
the corresponding name from the workqueues API prefixed by
kthread_:
__init_kthread_worker() -> __kthread_init_worker()
init_kthread_worker() -> kthread_init_worker()
init_kthread_work() -> kthread_init_work()
insert_kthread_work() -> kthread_insert_work()
queue_kthread_work() -> kthread_queue_work()
flush_kthread_work() -> kthread_flush_work()
flush_kthread_worker() -> kthread_flush_worker()
Note that the names of DEFINE_KTHREAD_WORK*() macros stay
as they are. It is common that the "DEFINE_" prefix has
precedence over the subsystem names.
Note that INIT() macros and init() functions use different
naming scheme. There is no good solution. There are several
reasons for this solution:
+ "init" in the function names stands for the verb "initialize"
aka "initialize worker". While "INIT" in the macro names
stands for the noun "INITIALIZER" aka "worker initializer".
+ INIT() macros are used only in DEFINE() macros
+ init() functions are used close to the other kthread()
functions. It looks much better if all the functions
use the same scheme.
+ There will be also kthread_destroy_worker() that will
be used close to kthread_cancel_work(). It is related
to the init() function. Again it looks better if all
functions use the same naming scheme.
+ there are several precedents for such init() function
names, e.g. amd_iommu_init_device(), free_area_init_node(),
jump_label_init_type(), regmap_init_mmio_clk(),
+ It is not an argument but it was inconsistent even before.
[arnd@xxxxxxxx: fix linux-next merge conflict]
Link: http://lkml.kernel.org/r/20160908135724.1311726-1-arnd@xxxxxxxx
Link: http://lkml.kernel.org/r/1470754545-17632-3-git-send-email-pmladek@xxxxxxxx
Suggested-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Petr Mladek <pmladek@xxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Jiri Kosina <jkosina@xxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
Documentation/RCU/lockdep-splat.txt | 2 -
arch/x86/kvm/i8254.c | 14 +++----
crypto/crypto_engine.c | 20 +++++-----
drivers/block/loop.c | 8 ++--
drivers/infiniband/sw/rdmavt/cq.c | 10 ++---
drivers/md/dm-rq.c | 6 +--
drivers/md/dm.c | 4 +-
drivers/media/pci/ivtv/ivtv-driver.c | 6 +--
drivers/media/pci/ivtv/ivtv-irq.c | 2 -
drivers/net/ethernet/microchip/encx24j600.c | 10 ++---
drivers/spi/spi.c | 18 ++++-----
drivers/tty/serial/sc16is7xx.c | 22 ++++++------
include/linux/kthread.h | 18 ++++-----
kernel/kthread.c | 33 +++++++++---------
sound/soc/intel/baytrail/sst-baytrail-ipc.c | 2 -
sound/soc/intel/common/sst-ipc.c | 6 +--
sound/soc/intel/haswell/sst-haswell-ipc.c | 2 -
sound/soc/intel/skylake/skl-sst-ipc.c | 2 -
18 files changed, 93 insertions(+), 92 deletions(-)
diff -puN Documentation/RCU/lockdep-splat.txt~kthread-kthread-worker-api-cleanup Documentation/RCU/lockdep-splat.txt
--- a/Documentation/RCU/lockdep-splat.txt~kthread-kthread-worker-api-cleanup
+++ a/Documentation/RCU/lockdep-splat.txt
@@ -57,7 +57,7 @@ Call Trace:
[<ffffffff817db154>] kernel_thread_helper+0x4/0x10
[<ffffffff81066430>] ? finish_task_switch+0x80/0x110
[<ffffffff817d9c04>] ? retint_restore_args+0xe/0xe
- [<ffffffff81097510>] ? __init_kthread_worker+0x70/0x70
+ [<ffffffff81097510>] ? __kthread_init_worker+0x70/0x70
[<ffffffff817db150>] ? gs_change+0xb/0xb
Line 2776 of block/cfq-iosched.c in v3.0-rc5 is as follows:
diff -puN arch/x86/kvm/i8254.c~kthread-kthread-worker-api-cleanup arch/x86/kvm/i8254.c
--- a/arch/x86/kvm/i8254.c~kthread-kthread-worker-api-cleanup
+++ a/arch/x86/kvm/i8254.c
@@ -212,7 +212,7 @@ static void kvm_pit_ack_irq(struct kvm_i
*/
smp_mb();
if (atomic_dec_if_positive(&ps->pending) > 0)
- queue_kthread_work(&pit->worker, &pit->expired);
+ kthread_queue_work(&pit->worker, &pit->expired);
}
void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
@@ -233,7 +233,7 @@ void __kvm_migrate_pit_timer(struct kvm_
static void destroy_pit_timer(struct kvm_pit *pit)
{
hrtimer_cancel(&pit->pit_state.timer);
- flush_kthread_work(&pit->expired);
+ kthread_flush_work(&pit->expired);
}
static void pit_do_work(struct kthread_work *work)
@@ -272,7 +272,7 @@ static enum hrtimer_restart pit_timer_fn
if (atomic_read(&ps->reinject))
atomic_inc(&ps->pending);
- queue_kthread_work(&pt->worker, &pt->expired);
+ kthread_queue_work(&pt->worker, &pt->expired);
if (ps->is_periodic) {
hrtimer_add_expires_ns(&ps->timer, ps->period);
@@ -324,7 +324,7 @@ static void create_pit_timer(struct kvm_
/* TODO The new value only affected after the retriggered */
hrtimer_cancel(&ps->timer);
- flush_kthread_work(&pit->expired);
+ kthread_flush_work(&pit->expired);
ps->period = interval;
ps->is_periodic = is_period;
@@ -667,13 +667,13 @@ struct kvm_pit *kvm_create_pit(struct kv
pid_nr = pid_vnr(pid);
put_pid(pid);
- init_kthread_worker(&pit->worker);
+ kthread_init_worker(&pit->worker);
pit->worker_task = kthread_run(kthread_worker_fn, &pit->worker,
"kvm-pit/%d", pid_nr);
if (IS_ERR(pit->worker_task))
goto fail_kthread;
- init_kthread_work(&pit->expired, pit_do_work);
+ kthread_init_work(&pit->expired, pit_do_work);
pit->kvm = kvm;
@@ -730,7 +730,7 @@ void kvm_free_pit(struct kvm *kvm)
kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->speaker_dev);
kvm_pit_set_reinject(pit, false);
hrtimer_cancel(&pit->pit_state.timer);
- flush_kthread_work(&pit->expired);
+ kthread_flush_work(&pit->expired);
kthread_stop(pit->worker_task);
kvm_free_irq_source_id(kvm, pit->irq_source_id);
kfree(pit);
diff -puN crypto/crypto_engine.c~kthread-kthread-worker-api-cleanup crypto/crypto_engine.c
--- a/crypto/crypto_engine.c~kthread-kthread-worker-api-cleanup
+++ a/crypto/crypto_engine.c
@@ -47,7 +47,7 @@ static void crypto_pump_requests(struct
/* If another context is idling then defer */
if (engine->idling) {
- queue_kthread_work(&engine->kworker, &engine->pump_requests);
+ kthread_queue_work(&engine->kworker, &engine->pump_requests);
goto out;
}
@@ -58,7 +58,7 @@ static void crypto_pump_requests(struct
/* Only do teardown in the thread */
if (!in_kthread) {
- queue_kthread_work(&engine->kworker,
+ kthread_queue_work(&engine->kworker,
&engine->pump_requests);
goto out;
}
@@ -189,7 +189,7 @@ int crypto_transfer_cipher_request(struc
ret = ablkcipher_enqueue_request(&engine->queue, req);
if (!engine->busy && need_pump)
- queue_kthread_work(&engine->kworker, &engine->pump_requests);
+ kthread_queue_work(&engine->kworker, &engine->pump_requests);
spin_unlock_irqrestore(&engine->queue_lock, flags);
return ret;
@@ -231,7 +231,7 @@ int crypto_transfer_hash_request(struct
ret = ahash_enqueue_request(&engine->queue, req);
if (!engine->busy && need_pump)
- queue_kthread_work(&engine->kworker, &engine->pump_requests);
+ kthread_queue_work(&engine->kworker, &engine->pump_requests);
spin_unlock_irqrestore(&engine->queue_lock, flags);
return ret;
@@ -284,7 +284,7 @@ void crypto_finalize_cipher_request(stru
req->base.complete(&req->base, err);
- queue_kthread_work(&engine->kworker, &engine->pump_requests);
+ kthread_queue_work(&engine->kworker, &engine->pump_requests);
}
EXPORT_SYMBOL_GPL(crypto_finalize_cipher_request);
@@ -321,7 +321,7 @@ void crypto_finalize_hash_request(struct
req->base.complete(&req->base, err);
- queue_kthread_work(&engine->kworker, &engine->pump_requests);
+ kthread_queue_work(&engine->kworker, &engine->pump_requests);
}
EXPORT_SYMBOL_GPL(crypto_finalize_hash_request);
@@ -345,7 +345,7 @@ int crypto_engine_start(struct crypto_en
engine->running = true;
spin_unlock_irqrestore(&engine->queue_lock, flags);
- queue_kthread_work(&engine->kworker, &engine->pump_requests);
+ kthread_queue_work(&engine->kworker, &engine->pump_requests);
return 0;
}
@@ -422,7 +422,7 @@ struct crypto_engine *crypto_engine_allo
crypto_init_queue(&engine->queue, CRYPTO_ENGINE_MAX_QLEN);
spin_lock_init(&engine->queue_lock);
- init_kthread_worker(&engine->kworker);
+ kthread_init_worker(&engine->kworker);
engine->kworker_task = kthread_run(kthread_worker_fn,
&engine->kworker, "%s",
engine->name);
@@ -430,7 +430,7 @@ struct crypto_engine *crypto_engine_allo
dev_err(dev, "failed to create crypto request pump task\n");
return NULL;
}
- init_kthread_work(&engine->pump_requests, crypto_pump_work);
+ kthread_init_work(&engine->pump_requests, crypto_pump_work);
if (engine->rt) {
dev_info(dev, "will run requests pump with realtime priority\n");
@@ -455,7 +455,7 @@ int crypto_engine_exit(struct crypto_eng
if (ret)
return ret;
- flush_kthread_worker(&engine->kworker);
+ kthread_flush_worker(&engine->kworker);
kthread_stop(engine->kworker_task);
return 0;
diff -puN drivers/block/loop.c~kthread-kthread-worker-api-cleanup drivers/block/loop.c
--- a/drivers/block/loop.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/block/loop.c
@@ -840,13 +840,13 @@ static void loop_config_discard(struct l
static void loop_unprepare_queue(struct loop_device *lo)
{
- flush_kthread_worker(&lo->worker);
+ kthread_flush_worker(&lo->worker);
kthread_stop(lo->worker_task);
}
static int loop_prepare_queue(struct loop_device *lo)
{
- init_kthread_worker(&lo->worker);
+ kthread_init_worker(&lo->worker);
lo->worker_task = kthread_run(kthread_worker_fn,
&lo->worker, "loop%d", lo->lo_number);
if (IS_ERR(lo->worker_task))
@@ -1658,7 +1658,7 @@ static int loop_queue_rq(struct blk_mq_h
break;
}
- queue_kthread_work(&lo->worker, &cmd->work);
+ kthread_queue_work(&lo->worker, &cmd->work);
return BLK_MQ_RQ_QUEUE_OK;
}
@@ -1696,7 +1696,7 @@ static int loop_init_request(void *data,
struct loop_cmd *cmd = blk_mq_rq_to_pdu(rq);
cmd->rq = rq;
- init_kthread_work(&cmd->work, loop_queue_work);
+ kthread_init_work(&cmd->work, loop_queue_work);
return 0;
}
diff -puN drivers/infiniband/sw/rdmavt/cq.c~kthread-kthread-worker-api-cleanup drivers/infiniband/sw/rdmavt/cq.c
--- a/drivers/infiniband/sw/rdmavt/cq.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/infiniband/sw/rdmavt/cq.c
@@ -129,7 +129,7 @@ void rvt_cq_enter(struct rvt_cq *cq, str
if (likely(worker)) {
cq->notify = RVT_CQ_NONE;
cq->triggered++;
- queue_kthread_work(worker, &cq->comptask);
+ kthread_queue_work(worker, &cq->comptask);
}
}
@@ -265,7 +265,7 @@ struct ib_cq *rvt_create_cq(struct ib_de
cq->ibcq.cqe = entries;
cq->notify = RVT_CQ_NONE;
spin_lock_init(&cq->lock);
- init_kthread_work(&cq->comptask, send_complete);
+ kthread_init_work(&cq->comptask, send_complete);
cq->queue = wc;
ret = &cq->ibcq;
@@ -295,7 +295,7 @@ int rvt_destroy_cq(struct ib_cq *ibcq)
struct rvt_cq *cq = ibcq_to_rvtcq(ibcq);
struct rvt_dev_info *rdi = cq->rdi;
- flush_kthread_work(&cq->comptask);
+ kthread_flush_work(&cq->comptask);
spin_lock(&rdi->n_cqs_lock);
rdi->n_cqs_allocated--;
spin_unlock(&rdi->n_cqs_lock);
@@ -514,7 +514,7 @@ int rvt_driver_cq_init(struct rvt_dev_in
rdi->worker = kzalloc(sizeof(*rdi->worker), GFP_KERNEL);
if (!rdi->worker)
return -ENOMEM;
- init_kthread_worker(rdi->worker);
+ kthread_init_worker(rdi->worker);
task = kthread_create_on_node(
kthread_worker_fn,
rdi->worker,
@@ -547,7 +547,7 @@ void rvt_cq_exit(struct rvt_dev_info *rd
/* blocks future queuing from send_complete() */
rdi->worker = NULL;
smp_wmb(); /* See rdi_cq_enter */
- flush_kthread_worker(worker);
+ kthread_flush_worker(worker);
kthread_stop(worker->task);
kfree(worker);
}
diff -puN drivers/md/dm-rq.c~kthread-kthread-worker-api-cleanup drivers/md/dm-rq.c
--- a/drivers/md/dm-rq.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/md/dm-rq.c
@@ -581,7 +581,7 @@ static void init_tio(struct dm_rq_target
if (!md->init_tio_pdu)
memset(&tio->info, 0, sizeof(tio->info));
if (md->kworker_task)
- init_kthread_work(&tio->work, map_tio_request);
+ kthread_init_work(&tio->work, map_tio_request);
}
static struct dm_rq_target_io *dm_old_prep_tio(struct request *rq,
@@ -831,7 +831,7 @@ static void dm_old_request_fn(struct req
tio = tio_from_request(rq);
/* Establish tio->ti before queuing work (map_tio_request) */
tio->ti = ti;
- queue_kthread_work(&md->kworker, &tio->work);
+ kthread_queue_work(&md->kworker, &tio->work);
BUG_ON(!irqs_disabled());
}
}
@@ -853,7 +853,7 @@ int dm_old_init_request_queue(struct map
blk_queue_prep_rq(md->queue, dm_old_prep_fn);
/* Initialize the request-based DM worker thread */
- init_kthread_worker(&md->kworker);
+ kthread_init_worker(&md->kworker);
md->kworker_task = kthread_run(kthread_worker_fn, &md->kworker,
"kdmwork-%s", dm_device_name(md));
if (IS_ERR(md->kworker_task))
diff -puN drivers/md/dm.c~kthread-kthread-worker-api-cleanup drivers/md/dm.c
--- a/drivers/md/dm.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/md/dm.c
@@ -1891,7 +1891,7 @@ static void __dm_destroy(struct mapped_d
spin_unlock_irq(q->queue_lock);
if (dm_request_based(md) && md->kworker_task)
- flush_kthread_worker(&md->kworker);
+ kthread_flush_worker(&md->kworker);
/*
* Take suspend_lock so that presuspend and postsuspend methods
@@ -2147,7 +2147,7 @@ static int __dm_suspend(struct mapped_de
if (dm_request_based(md)) {
dm_stop_queue(md->queue);
if (md->kworker_task)
- flush_kthread_worker(&md->kworker);
+ kthread_flush_worker(&md->kworker);
}
flush_workqueue(md->wq);
diff -puN drivers/media/pci/ivtv/ivtv-driver.c~kthread-kthread-worker-api-cleanup drivers/media/pci/ivtv/ivtv-driver.c
--- a/drivers/media/pci/ivtv/ivtv-driver.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/media/pci/ivtv/ivtv-driver.c
@@ -750,7 +750,7 @@ static int ivtv_init_struct1(struct ivtv
spin_lock_init(&itv->lock);
spin_lock_init(&itv->dma_reg_lock);
- init_kthread_worker(&itv->irq_worker);
+ kthread_init_worker(&itv->irq_worker);
itv->irq_worker_task = kthread_run(kthread_worker_fn, &itv->irq_worker,
"%s", itv->v4l2_dev.name);
if (IS_ERR(itv->irq_worker_task)) {
@@ -760,7 +760,7 @@ static int ivtv_init_struct1(struct ivtv
/* must use the FIFO scheduler as it is realtime sensitive */
sched_setscheduler(itv->irq_worker_task, SCHED_FIFO, ¶m);
- init_kthread_work(&itv->irq_work, ivtv_irq_work_handler);
+ kthread_init_work(&itv->irq_work, ivtv_irq_work_handler);
/* Initial settings */
itv->cxhdl.port = CX2341X_PORT_MEMORY;
@@ -1441,7 +1441,7 @@ static void ivtv_remove(struct pci_dev *
del_timer_sync(&itv->dma_timer);
/* Kill irq worker */
- flush_kthread_worker(&itv->irq_worker);
+ kthread_flush_worker(&itv->irq_worker);
kthread_stop(itv->irq_worker_task);
ivtv_streams_cleanup(itv);
diff -puN drivers/media/pci/ivtv/ivtv-irq.c~kthread-kthread-worker-api-cleanup drivers/media/pci/ivtv/ivtv-irq.c
--- a/drivers/media/pci/ivtv/ivtv-irq.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/media/pci/ivtv/ivtv-irq.c
@@ -1062,7 +1062,7 @@ irqreturn_t ivtv_irq_handler(int irq, vo
}
if (test_and_clear_bit(IVTV_F_I_HAVE_WORK, &itv->i_flags)) {
- queue_kthread_work(&itv->irq_worker, &itv->irq_work);
+ kthread_queue_work(&itv->irq_worker, &itv->irq_work);
}
spin_unlock(&itv->dma_reg_lock);
diff -puN drivers/net/ethernet/microchip/encx24j600.c~kthread-kthread-worker-api-cleanup drivers/net/ethernet/microchip/encx24j600.c
--- a/drivers/net/ethernet/microchip/encx24j600.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/net/ethernet/microchip/encx24j600.c
@@ -821,7 +821,7 @@ static void encx24j600_set_multicast_lis
}
if (oldfilter != priv->rxfilter)
- queue_kthread_work(&priv->kworker, &priv->setrx_work);
+ kthread_queue_work(&priv->kworker, &priv->setrx_work);
}
static void encx24j600_hw_tx(struct encx24j600_priv *priv)
@@ -879,7 +879,7 @@ static netdev_tx_t encx24j600_tx(struct
/* Remember the skb for deferred processing */
priv->tx_skb = skb;
- queue_kthread_work(&priv->kworker, &priv->tx_work);
+ kthread_queue_work(&priv->kworker, &priv->tx_work);
return NETDEV_TX_OK;
}
@@ -1037,9 +1037,9 @@ static int encx24j600_spi_probe(struct s
goto out_free;
}
- init_kthread_worker(&priv->kworker);
- init_kthread_work(&priv->tx_work, encx24j600_tx_proc);
- init_kthread_work(&priv->setrx_work, encx24j600_setrx_proc);
+ kthread_init_worker(&priv->kworker);
+ kthread_init_work(&priv->tx_work, encx24j600_tx_proc);
+ kthread_init_work(&priv->setrx_work, encx24j600_setrx_proc);
priv->kworker_task = kthread_run(kthread_worker_fn, &priv->kworker,
"encx24j600");
diff -puN drivers/spi/spi.c~kthread-kthread-worker-api-cleanup drivers/spi/spi.c
--- a/drivers/spi/spi.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/spi/spi.c
@@ -1112,7 +1112,7 @@ static void __spi_pump_messages(struct s
/* If another context is idling the device then defer */
if (master->idling) {
- queue_kthread_work(&master->kworker, &master->pump_messages);
+ kthread_queue_work(&master->kworker, &master->pump_messages);
spin_unlock_irqrestore(&master->queue_lock, flags);
return;
}
@@ -1126,7 +1126,7 @@ static void __spi_pump_messages(struct s
/* Only do teardown in the thread */
if (!in_kthread) {
- queue_kthread_work(&master->kworker,
+ kthread_queue_work(&master->kworker,
&master->pump_messages);
spin_unlock_irqrestore(&master->queue_lock, flags);
return;
@@ -1250,7 +1250,7 @@ static int spi_init_queue(struct spi_mas
master->running = false;
master->busy = false;
- init_kthread_worker(&master->kworker);
+ kthread_init_worker(&master->kworker);
master->kworker_task = kthread_run(kthread_worker_fn,
&master->kworker, "%s",
dev_name(&master->dev));
@@ -1258,7 +1258,7 @@ static int spi_init_queue(struct spi_mas
dev_err(&master->dev, "failed to create message pump task\n");
return PTR_ERR(master->kworker_task);
}
- init_kthread_work(&master->pump_messages, spi_pump_messages);
+ kthread_init_work(&master->pump_messages, spi_pump_messages);
/*
* Master config will indicate if this controller should run the
@@ -1331,7 +1331,7 @@ void spi_finalize_current_message(struct
spin_lock_irqsave(&master->queue_lock, flags);
master->cur_msg = NULL;
master->cur_msg_prepared = false;
- queue_kthread_work(&master->kworker, &master->pump_messages);
+ kthread_queue_work(&master->kworker, &master->pump_messages);
spin_unlock_irqrestore(&master->queue_lock, flags);
trace_spi_message_done(mesg);
@@ -1357,7 +1357,7 @@ static int spi_start_queue(struct spi_ma
master->cur_msg = NULL;
spin_unlock_irqrestore(&master->queue_lock, flags);
- queue_kthread_work(&master->kworker, &master->pump_messages);
+ kthread_queue_work(&master->kworker, &master->pump_messages);
return 0;
}
@@ -1404,7 +1404,7 @@ static int spi_destroy_queue(struct spi_
ret = spi_stop_queue(master);
/*
- * flush_kthread_worker will block until all work is done.
+ * kthread_flush_worker will block until all work is done.
* If the reason that stop_queue timed out is that the work will never
* finish, then it does no good to call flush/stop thread, so
* return anyway.
@@ -1414,7 +1414,7 @@ static int spi_destroy_queue(struct spi_
return ret;
}
- flush_kthread_worker(&master->kworker);
+ kthread_flush_worker(&master->kworker);
kthread_stop(master->kworker_task);
return 0;
@@ -1438,7 +1438,7 @@ static int __spi_queued_transfer(struct
list_add_tail(&msg->queue, &master->queue);
if (!master->busy && need_pump)
- queue_kthread_work(&master->kworker, &master->pump_messages);
+ kthread_queue_work(&master->kworker, &master->pump_messages);
spin_unlock_irqrestore(&master->queue_lock, flags);
return 0;
diff -puN drivers/tty/serial/sc16is7xx.c~kthread-kthread-worker-api-cleanup drivers/tty/serial/sc16is7xx.c
--- a/drivers/tty/serial/sc16is7xx.c~kthread-kthread-worker-api-cleanup
+++ a/drivers/tty/serial/sc16is7xx.c
@@ -708,7 +708,7 @@ static irqreturn_t sc16is7xx_irq(int irq
{
struct sc16is7xx_port *s = (struct sc16is7xx_port *)dev_id;
- queue_kthread_work(&s->kworker, &s->irq_work);
+ kthread_queue_work(&s->kworker, &s->irq_work);
return IRQ_HANDLED;
}
@@ -784,7 +784,7 @@ static void sc16is7xx_ier_clear(struct u
one->config.flags |= SC16IS7XX_RECONF_IER;
one->config.ier_clear |= bit;
- queue_kthread_work(&s->kworker, &one->reg_work);
+ kthread_queue_work(&s->kworker, &one->reg_work);
}
static void sc16is7xx_stop_tx(struct uart_port *port)
@@ -802,7 +802,7 @@ static void sc16is7xx_start_tx(struct ua
struct sc16is7xx_port *s = dev_get_drvdata(port->dev);
struct sc16is7xx_one *one = to_sc16is7xx_one(port, port);
- queue_kthread_work(&s->kworker, &one->tx_work);
+ kthread_queue_work(&s->kworker, &one->tx_work);
}
static unsigned int sc16is7xx_tx_empty(struct uart_port *port)
@@ -828,7 +828,7 @@ static void sc16is7xx_set_mctrl(struct u
struct sc16is7xx_one *one = to_sc16is7xx_one(port, port);
one->config.flags |= SC16IS7XX_RECONF_MD;
- queue_kthread_work(&s->kworker, &one->reg_work);
+ kthread_queue_work(&s->kworker, &one->reg_work);
}
static void sc16is7xx_break_ctl(struct uart_port *port, int break_state)
@@ -957,7 +957,7 @@ static int sc16is7xx_config_rs485(struct
port->rs485 = *rs485;
one->config.flags |= SC16IS7XX_RECONF_RS485;
- queue_kthread_work(&s->kworker, &one->reg_work);
+ kthread_queue_work(&s->kworker, &one->reg_work);
return 0;
}
@@ -1030,7 +1030,7 @@ static void sc16is7xx_shutdown(struct ua
sc16is7xx_power(port, 0);
- flush_kthread_worker(&s->kworker);
+ kthread_flush_worker(&s->kworker);
}
static const char *sc16is7xx_type(struct uart_port *port)
@@ -1176,8 +1176,8 @@ static int sc16is7xx_probe(struct device
s->devtype = devtype;
dev_set_drvdata(dev, s);
- init_kthread_worker(&s->kworker);
- init_kthread_work(&s->irq_work, sc16is7xx_ist);
+ kthread_init_worker(&s->kworker);
+ kthread_init_work(&s->irq_work, sc16is7xx_ist);
s->kworker_task = kthread_run(kthread_worker_fn, &s->kworker,
"sc16is7xx");
if (IS_ERR(s->kworker_task)) {
@@ -1234,8 +1234,8 @@ static int sc16is7xx_probe(struct device
SC16IS7XX_EFCR_RXDISABLE_BIT |
SC16IS7XX_EFCR_TXDISABLE_BIT);
/* Initialize kthread work structs */
- init_kthread_work(&s->p[i].tx_work, sc16is7xx_tx_proc);
- init_kthread_work(&s->p[i].reg_work, sc16is7xx_reg_proc);
+ kthread_init_work(&s->p[i].tx_work, sc16is7xx_tx_proc);
+ kthread_init_work(&s->p[i].reg_work, sc16is7xx_reg_proc);
/* Register port */
uart_add_one_port(&sc16is7xx_uart, &s->p[i].port);
@@ -1301,7 +1301,7 @@ static int sc16is7xx_remove(struct devic
sc16is7xx_power(&s->p[i].port, 0);
}
- flush_kthread_worker(&s->kworker);
+ kthread_flush_worker(&s->kworker);
kthread_stop(s->kworker_task);
if (!IS_ERR(s->clk))
diff -puN include/linux/kthread.h~kthread-kthread-worker-api-cleanup include/linux/kthread.h
--- a/include/linux/kthread.h~kthread-kthread-worker-api-cleanup
+++ a/include/linux/kthread.h
@@ -57,7 +57,7 @@ extern int tsk_fork_get_node(struct task
* Simple work processor based on kthread.
*
* This provides easier way to make use of kthreads. A kthread_work
- * can be queued and flushed using queue/flush_kthread_work()
+ * can be queued and flushed using queue/kthread_flush_work()
* respectively. Queued kthread_works are processed by a kthread
* running kthread_worker_fn().
*/
@@ -99,23 +99,23 @@ struct kthread_work {
*/
#ifdef CONFIG_LOCKDEP
# define KTHREAD_WORKER_INIT_ONSTACK(worker) \
- ({ init_kthread_worker(&worker); worker; })
+ ({ kthread_init_worker(&worker); worker; })
# define DEFINE_KTHREAD_WORKER_ONSTACK(worker) \
struct kthread_worker worker = KTHREAD_WORKER_INIT_ONSTACK(worker)
#else
# define DEFINE_KTHREAD_WORKER_ONSTACK(worker) DEFINE_KTHREAD_WORKER(worker)
#endif
-extern void __init_kthread_worker(struct kthread_worker *worker,
+extern void __kthread_init_worker(struct kthread_worker *worker,
const char *name, struct lock_class_key *key);
-#define init_kthread_worker(worker) \
+#define kthread_init_worker(worker) \
do { \
static struct lock_class_key __key; \
- __init_kthread_worker((worker), "("#worker")->lock", &__key); \
+ __kthread_init_worker((worker), "("#worker")->lock", &__key); \
} while (0)
-#define init_kthread_work(work, fn) \
+#define kthread_init_work(work, fn) \
do { \
memset((work), 0, sizeof(struct kthread_work)); \
INIT_LIST_HEAD(&(work)->node); \
@@ -124,9 +124,9 @@ extern void __init_kthread_worker(struct
int kthread_worker_fn(void *worker_ptr);
-bool queue_kthread_work(struct kthread_worker *worker,
+bool kthread_queue_work(struct kthread_worker *worker,
struct kthread_work *work);
-void flush_kthread_work(struct kthread_work *work);
-void flush_kthread_worker(struct kthread_worker *worker);
+void kthread_flush_work(struct kthread_work *work);
+void kthread_flush_worker(struct kthread_worker *worker);
#endif /* _LINUX_KTHREAD_H */
diff -puN kernel/kthread.c~kthread-kthread-worker-api-cleanup kernel/kthread.c
--- a/kernel/kthread.c~kthread-kthread-worker-api-cleanup
+++ a/kernel/kthread.c
@@ -540,7 +540,7 @@ int kthreadd(void *unused)
return 0;
}
-void __init_kthread_worker(struct kthread_worker *worker,
+void __kthread_init_worker(struct kthread_worker *worker,
const char *name,
struct lock_class_key *key)
{
@@ -549,7 +549,7 @@ void __init_kthread_worker(struct kthrea
INIT_LIST_HEAD(&worker->work_list);
worker->task = NULL;
}
-EXPORT_SYMBOL_GPL(__init_kthread_worker);
+EXPORT_SYMBOL_GPL(__kthread_init_worker);
/**
* kthread_worker_fn - kthread function to process kthread_worker
@@ -606,7 +606,7 @@ repeat:
EXPORT_SYMBOL_GPL(kthread_worker_fn);
/* insert @work before @pos in @worker */
-static void insert_kthread_work(struct kthread_worker *worker,
+static void kthread_insert_work(struct kthread_worker *worker,
struct kthread_work *work,
struct list_head *pos)
{
@@ -619,7 +619,7 @@ static void insert_kthread_work(struct k
}
/**
- * queue_kthread_work - queue a kthread_work
+ * kthread_queue_work - queue a kthread_work
* @worker: target kthread_worker
* @work: kthread_work to queue
*
@@ -627,7 +627,7 @@ static void insert_kthread_work(struct k
* must have been created with kthread_worker_create(). Returns %true
* if @work was successfully queued, %false if it was already pending.
*/
-bool queue_kthread_work(struct kthread_worker *worker,
+bool kthread_queue_work(struct kthread_worker *worker,
struct kthread_work *work)
{
bool ret = false;
@@ -635,13 +635,13 @@ bool queue_kthread_work(struct kthread_w
spin_lock_irqsave(&worker->lock, flags);
if (list_empty(&work->node)) {
- insert_kthread_work(worker, work, &worker->work_list);
+ kthread_insert_work(worker, work, &worker->work_list);
ret = true;
}
spin_unlock_irqrestore(&worker->lock, flags);
return ret;
}
-EXPORT_SYMBOL_GPL(queue_kthread_work);
+EXPORT_SYMBOL_GPL(kthread_queue_work);
struct kthread_flush_work {
struct kthread_work work;
@@ -656,12 +656,12 @@ static void kthread_flush_work_fn(struct
}
/**
- * flush_kthread_work - flush a kthread_work
+ * kthread_flush_work - flush a kthread_work
* @work: work to flush
*
* If @work is queued or executing, wait for it to finish execution.
*/
-void flush_kthread_work(struct kthread_work *work)
+void kthread_flush_work(struct kthread_work *work)
{
struct kthread_flush_work fwork = {
KTHREAD_WORK_INIT(fwork.work, kthread_flush_work_fn),
@@ -682,9 +682,10 @@ retry:
}
if (!list_empty(&work->node))
- insert_kthread_work(worker, &fwork.work, work->node.next);
+ kthread_insert_work(worker, &fwork.work, work->node.next);
else if (worker->current_work == work)
- insert_kthread_work(worker, &fwork.work, worker->work_list.next);
+ kthread_insert_work(worker, &fwork.work,
+ worker->work_list.next);
else
noop = true;
@@ -693,23 +694,23 @@ retry:
if (!noop)
wait_for_completion(&fwork.done);
}
-EXPORT_SYMBOL_GPL(flush_kthread_work);
+EXPORT_SYMBOL_GPL(kthread_flush_work);
/**
- * flush_kthread_worker - flush all current works on a kthread_worker
+ * kthread_flush_worker - flush all current works on a kthread_worker
* @worker: worker to flush
*
* Wait until all currently executing or pending works on @worker are
* finished.
*/
-void flush_kthread_worker(struct kthread_worker *worker)
+void kthread_flush_worker(struct kthread_worker *worker)
{
struct kthread_flush_work fwork = {
KTHREAD_WORK_INIT(fwork.work, kthread_flush_work_fn),
COMPLETION_INITIALIZER_ONSTACK(fwork.done),
};
- queue_kthread_work(worker, &fwork.work);
+ kthread_queue_work(worker, &fwork.work);
wait_for_completion(&fwork.done);
}
-EXPORT_SYMBOL_GPL(flush_kthread_worker);
+EXPORT_SYMBOL_GPL(kthread_flush_worker);
diff -puN sound/soc/intel/baytrail/sst-baytrail-ipc.c~kthread-kthread-worker-api-cleanup sound/soc/intel/baytrail/sst-baytrail-ipc.c
--- a/sound/soc/intel/baytrail/sst-baytrail-ipc.c~kthread-kthread-worker-api-cleanup
+++ a/sound/soc/intel/baytrail/sst-baytrail-ipc.c
@@ -338,7 +338,7 @@ static irqreturn_t sst_byt_irq_thread(in
spin_unlock_irqrestore(&sst->spinlock, flags);
/* continue to send any remaining messages... */
- queue_kthread_work(&ipc->kworker, &ipc->kwork);
+ kthread_queue_work(&ipc->kworker, &ipc->kwork);
return IRQ_HANDLED;
}
diff -puN sound/soc/intel/common/sst-ipc.c~kthread-kthread-worker-api-cleanup sound/soc/intel/common/sst-ipc.c
--- a/sound/soc/intel/common/sst-ipc.c~kthread-kthread-worker-api-cleanup
+++ a/sound/soc/intel/common/sst-ipc.c
@@ -111,7 +111,7 @@ static int ipc_tx_message(struct sst_gen
list_add_tail(&msg->list, &ipc->tx_list);
spin_unlock_irqrestore(&ipc->dsp->spinlock, flags);
- queue_kthread_work(&ipc->kworker, &ipc->kwork);
+ kthread_queue_work(&ipc->kworker, &ipc->kwork);
if (wait)
return tx_wait_done(ipc, msg, rx_data);
@@ -281,7 +281,7 @@ int sst_ipc_init(struct sst_generic_ipc
return -ENOMEM;
/* start the IPC message thread */
- init_kthread_worker(&ipc->kworker);
+ kthread_init_worker(&ipc->kworker);
ipc->tx_thread = kthread_run(kthread_worker_fn,
&ipc->kworker, "%s",
dev_name(ipc->dev));
@@ -292,7 +292,7 @@ int sst_ipc_init(struct sst_generic_ipc
return ret;
}
- init_kthread_work(&ipc->kwork, ipc_tx_msgs);
+ kthread_init_work(&ipc->kwork, ipc_tx_msgs);
return 0;
}
EXPORT_SYMBOL_GPL(sst_ipc_init);
diff -puN sound/soc/intel/haswell/sst-haswell-ipc.c~kthread-kthread-worker-api-cleanup sound/soc/intel/haswell/sst-haswell-ipc.c
--- a/sound/soc/intel/haswell/sst-haswell-ipc.c~kthread-kthread-worker-api-cleanup
+++ a/sound/soc/intel/haswell/sst-haswell-ipc.c
@@ -818,7 +818,7 @@ static irqreturn_t hsw_irq_thread(int ir
spin_unlock_irqrestore(&sst->spinlock, flags);
/* continue to send any remaining messages... */
- queue_kthread_work(&ipc->kworker, &ipc->kwork);
+ kthread_queue_work(&ipc->kworker, &ipc->kwork);
return IRQ_HANDLED;
}
diff -puN sound/soc/intel/skylake/skl-sst-ipc.c~kthread-kthread-worker-api-cleanup sound/soc/intel/skylake/skl-sst-ipc.c
--- a/sound/soc/intel/skylake/skl-sst-ipc.c~kthread-kthread-worker-api-cleanup
+++ a/sound/soc/intel/skylake/skl-sst-ipc.c
@@ -464,7 +464,7 @@ irqreturn_t skl_dsp_irq_thread_handler(i
skl_ipc_int_enable(dsp);
/* continue to send any remaining messages... */
- queue_kthread_work(&ipc->kworker, &ipc->kwork);
+ kthread_queue_work(&ipc->kworker, &ipc->kwork);
return IRQ_HANDLED;
}
_
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