locking/lockdep: Remove cross-release leftovers
There's two cross-release leftover facilities: - the crossrelease_hist_*() irq-tracing callbacks (NOPs currently) - the complete_release_commit() callback (NOP as well) Remove them. Cc: David Sterba <dsterba@suse.com> Cc: Byungchul Park <byungchul.park@lge.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -32,7 +32,6 @@ struct completion {
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#define init_completion(x) __init_completion(x)
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static inline void complete_acquire(struct completion *x) {}
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static inline void complete_release(struct completion *x) {}
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static inline void complete_release_commit(struct completion *x) {}
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#define COMPLETION_INITIALIZER(work) \
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{ 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) }
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@ -27,22 +27,18 @@
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# define trace_hardirq_enter() \
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do { \
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current->hardirq_context++; \
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crossrelease_hist_start(XHLOCK_HARD); \
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} while (0)
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# define trace_hardirq_exit() \
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do { \
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current->hardirq_context--; \
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crossrelease_hist_end(XHLOCK_HARD); \
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} while (0)
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# define lockdep_softirq_enter() \
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do { \
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current->softirq_context++; \
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crossrelease_hist_start(XHLOCK_SOFT); \
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} while (0)
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# define lockdep_softirq_exit() \
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do { \
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current->softirq_context--; \
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crossrelease_hist_end(XHLOCK_SOFT); \
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} while (0)
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# define INIT_TRACE_IRQFLAGS .softirqs_enabled = 1,
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#else
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@ -475,8 +475,6 @@ enum xhlock_context_t {
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#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \
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{ .name = (_name), .key = (void *)(_key), }
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static inline void crossrelease_hist_start(enum xhlock_context_t c) {}
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static inline void crossrelease_hist_end(enum xhlock_context_t c) {}
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static inline void lockdep_invariant_state(bool force) {}
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static inline void lockdep_init_task(struct task_struct *task) {}
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static inline void lockdep_free_task(struct task_struct *task) {}
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@ -34,11 +34,6 @@ void complete(struct completion *x)
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spin_lock_irqsave(&x->wait.lock, flags);
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/*
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* Perform commit of crossrelease here.
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*/
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complete_release_commit(x);
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if (x->done != UINT_MAX)
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x->done++;
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__wake_up_locked(&x->wait, TASK_NORMAL, 1);
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