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Searched refs:ww_mutex_lock (Results 1 – 8 of 8) sorted by relevance

/linux/kernel/locking/
H A Dtest-ww_mutex.c52 ww_mutex_lock(&mtx->mutex, NULL); in test_mutex_work()
78 ww_mutex_lock(&mtx.mutex, (flags & TEST_MTX_CTX) ? &ctx : NULL); in __test_mutex()
135 ret = ww_mutex_lock(&mutex, &ctx); in test_aa()
162 ret = ww_mutex_lock(&mutex, &ctx); in test_aa()
198 ww_mutex_lock(&abba->b_mutex, &ctx); in test_abba_work()
207 err = ww_mutex_lock(&abba->a_mutex, &ctx); in test_abba_work()
211 err = ww_mutex_lock(&abba->b_mutex, &ctx); in test_abba_work()
241 ww_mutex_lock(&abba.a_mutex, &ctx); in test_abba()
250 err = ww_mutex_lock(&abba.b_mutex, &ctx); in test_abba()
254 err = ww_mutex_lock(&abba.a_mutex, &ctx); in test_abba()
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H A Dww_rt_mutex.c79 ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) in ww_mutex_lock() function
83 EXPORT_SYMBOL(ww_mutex_lock);
H A Dlocktorture.c650 err = ww_mutex_lock(ll->lock, ctx); in torture_ww_mutex_lock()
/linux/include/linux/
H A Dww_mutex.h224 * ww_mutex_lock - acquire the w/w mutex
252 extern int /* __must_check */ ww_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ctx)
301 * needs with ww_mutex_lock. Note that the -EALREADY return code from
302 * ww_mutex_lock can be used to avoid locking this contended mutex twice.
309 * ww_mutex_lock directly. This function here is simply to help w/w mutex in ww_mutex_lock_slow()
320 ret = ww_mutex_lock(lock, ctx);
338 * needs with ww_mutex_lock. Note that the -EALREADY return code from
339 * ww_mutex_lock can be used to avoid locking this contended mutex twice.
/linux/tools/testing/selftests/rcutorture/configs/lock/
H A DLOCK07.boot1 locktorture.torture_type=ww_mutex_lock
/linux/Documentation/locking/
H A Dww-mutex-design.rst76 * Normal lock acquisition with a context, using ww_mutex_lock.
83 required, since simply calling the normal ww_mutex_lock functions on the
86 no deadlock potential and hence the ww_mutex_lock call will block and not
90 - ww_mutex_lock has a __must_check int return type, whereas ww_mutex_lock_slow
100 semantics as a normal mutex. This is done by calling ww_mutex_lock with a NULL
155 ret = ww_mutex_lock(&entry->obj->lock, ctx);
194 ret = ww_mutex_lock(&entry->obj->lock, ctx);
300 ret = ww_mutex_lock(obj->ww_mutex, ctx);
/linux/drivers/gpu/drm/
H A Ddrm_modeset_lock.c316 ret = ww_mutex_lock(&lock->mutex, &ctx->ww_ctx); in modeset_lock()
400 ww_mutex_lock(&lock->mutex, NULL); in drm_modeset_lock()
/linux/drivers/regulator/
H A Dcore.c177 ret = ww_mutex_lock(&rdev->mutex, ww_ctx); in regulator_lock_nested()