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Searched refs:ww_ctx (Results 1 – 10 of 10) sorted by relevance

/Linux-v5.15/kernel/locking/
Dww_mutex.h181 ww_mutex_lock_acquired(struct ww_mutex *ww, struct ww_acquire_ctx *ww_ctx) in ww_mutex_lock_acquired() argument
195 DEBUG_LOCKS_WARN_ON(ww_ctx->done_acquire); in ww_mutex_lock_acquired()
197 if (ww_ctx->contending_lock) { in ww_mutex_lock_acquired()
202 DEBUG_LOCKS_WARN_ON(ww_ctx->contending_lock != ww); in ww_mutex_lock_acquired()
208 DEBUG_LOCKS_WARN_ON(ww_ctx->acquired > 0); in ww_mutex_lock_acquired()
209 ww_ctx->contending_lock = NULL; in ww_mutex_lock_acquired()
215 DEBUG_LOCKS_WARN_ON(ww_ctx->ww_class != ww->ww_class); in ww_mutex_lock_acquired()
217 ww_ctx->acquired++; in ww_mutex_lock_acquired()
218 ww->ctx = ww_ctx; in ww_mutex_lock_acquired()
278 struct ww_acquire_ctx *ww_ctx) in __ww_mutex_die() argument
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Dww_rt_mutex.c13 __ww_rt_mutex_lock(struct ww_mutex *lock, struct ww_acquire_ctx *ww_ctx, in __ww_rt_mutex_lock() argument
22 if (ww_ctx) { in __ww_rt_mutex_lock()
23 if (unlikely(ww_ctx == READ_ONCE(lock->ctx))) in __ww_rt_mutex_lock()
31 if (ww_ctx->acquired == 0) in __ww_rt_mutex_lock()
32 ww_ctx->wounded = 0; in __ww_rt_mutex_lock()
35 nest_lock = &ww_ctx->dep_map; in __ww_rt_mutex_lock()
41 if (ww_ctx) in __ww_rt_mutex_lock()
42 ww_mutex_set_context_fastpath(lock, ww_ctx); in __ww_rt_mutex_lock()
46 ret = rt_mutex_slowlock(&rtm->rtmutex, ww_ctx, state); in __ww_rt_mutex_lock()
Dmutex.c298 bool ww_mutex_spin_on_owner(struct mutex *lock, struct ww_acquire_ctx *ww_ctx, in ww_mutex_spin_on_owner() argument
316 if (ww_ctx->acquired > 0 && READ_ONCE(ww->ctx)) in ww_mutex_spin_on_owner()
347 struct ww_acquire_ctx *ww_ctx, struct mutex_waiter *waiter) in mutex_spin_on_owner() argument
370 if (ww_ctx && !ww_mutex_spin_on_owner(lock, ww_ctx, waiter)) { in mutex_spin_on_owner()
434 mutex_optimistic_spin(struct mutex *lock, struct ww_acquire_ctx *ww_ctx, in mutex_optimistic_spin() argument
469 if (!mutex_spin_on_owner(lock, owner, ww_ctx, waiter)) in mutex_optimistic_spin()
510 mutex_optimistic_spin(struct mutex *lock, struct ww_acquire_ctx *ww_ctx, in mutex_optimistic_spin() argument
564 struct ww_acquire_ctx *ww_ctx, const bool use_ww_ctx) in __mutex_lock_common() argument
571 ww_ctx = NULL; in __mutex_lock_common()
578 if (ww_ctx) { in __mutex_lock_common()
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Drtmutex.c35 struct ww_acquire_ctx *ww_ctx) in __ww_mutex_add_waiter() argument
41 struct ww_acquire_ctx *ww_ctx) in __ww_mutex_check_waiters() argument
46 struct ww_acquire_ctx *ww_ctx) in ww_mutex_lock_acquired() argument
52 struct ww_acquire_ctx *ww_ctx) in __ww_mutex_check_kill() argument
384 if (aw->ww_ctx) { in __waiter_less()
385 if (!bw->ww_ctx) in __waiter_less()
388 return (signed long)(aw->ww_ctx->stamp - in __waiter_less()
389 bw->ww_ctx->stamp) < 0; in __waiter_less()
681 if (IS_ENABLED(CONFIG_PREEMPT_RT) && waiter->ww_ctx && detect_deadlock) in rt_mutex_adjust_prio_chain()
756 if (IS_ENABLED(CONFIG_PREEMPT_RT) && orig_waiter && orig_waiter->ww_ctx) in rt_mutex_adjust_prio_chain()
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Dmutex.h17 struct ww_acquire_ctx *ww_ctx; member
Dmutex-debug.c33 waiter->ww_ctx = MUTEX_POISON_WW_CTX; in debug_mutex_lock_common()
Drtmutex_common.h41 struct ww_acquire_ctx *ww_ctx; member
/Linux-v5.15/drivers/gpu/drm/
Ddrm_modeset_lock.c121 ww_acquire_done(&ctx->ww_ctx); in drm_modeset_lock_all()
202 ww_acquire_init(&ctx->ww_ctx, &crtc_ww_class); in drm_modeset_acquire_init()
216 ww_acquire_fini(&ctx->ww_ctx); in drm_modeset_acquire_fini()
249 lockdep_assert_held(&ctx->ww_ctx); in modeset_lock()
256 ret = ww_mutex_lock_slow_interruptible(&lock->mutex, &ctx->ww_ctx); in modeset_lock()
258 ret = ww_mutex_lock_interruptible(&lock->mutex, &ctx->ww_ctx); in modeset_lock()
260 ww_mutex_lock_slow(&lock->mutex, &ctx->ww_ctx); in modeset_lock()
263 ret = ww_mutex_lock(&lock->mutex, &ctx->ww_ctx); in modeset_lock()
/Linux-v5.15/drivers/regulator/
Dcore.c141 struct ww_acquire_ctx *ww_ctx) in regulator_lock_nested() argument
148 if (ww_ctx || !ww_mutex_trylock(&rdev->mutex)) { in regulator_lock_nested()
156 ret = ww_mutex_lock(&rdev->mutex, ww_ctx); in regulator_lock_nested()
251 struct ww_acquire_ctx *ww_ctx) in regulator_lock_recursive() argument
263 err = regulator_lock_nested(c_rdev, ww_ctx); in regulator_lock_recursive()
281 ww_ctx); in regulator_lock_recursive()
306 struct ww_acquire_ctx *ww_ctx) in regulator_unlock_dependent() argument
309 ww_acquire_fini(ww_ctx); in regulator_unlock_dependent()
321 struct ww_acquire_ctx *ww_ctx) in regulator_lock_dependent() argument
329 ww_acquire_init(ww_ctx, &regulator_ww_class); in regulator_lock_dependent()
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/Linux-v5.15/include/drm/
Ddrm_modeset_lock.h45 struct ww_acquire_ctx ww_ctx; member