+++ /dev/null
-diff --git a/urcu.c b/urcu.c
-index 162ce00..018e09b 100644
---- a/urcu.c
-+++ b/urcu.c
-@@ -91,24 +91,17 @@ static void force_mb_all_threads(void)
- */
- if (!reader_data)
- return;
-- debug_yield_write();
- sig_done = 0;
-- debug_yield_write();
- smp_mb(); /* write sig_done before sending the signals */
-- debug_yield_write();
-- for (index = reader_data; index < reader_data + num_readers; index++) {
-+ for (index = reader_data; index < reader_data + num_readers; index++)
- pthread_kill(index->tid, SIGURCU);
-- debug_yield_write();
-- }
- /*
- * Wait for sighandler (and thus mb()) to execute on every thread.
- * BUSY-LOOP.
- */
- while (sig_done < num_readers)
- barrier();
-- debug_yield_write();
- smp_mb(); /* read sig_done before ending the barrier */
-- debug_yield_write();
- }
- #endif
-
-@@ -135,13 +128,10 @@ void synchronize_rcu(void)
- * where new ptr points to. */
- /* Write new ptr before changing the qparity */
- force_mb_all_threads();
-- debug_yield_write();
-
- internal_urcu_lock();
-- debug_yield_write();
-
- switch_next_urcu_qparity(); /* 0 -> 1 */
-- debug_yield_write();
-
- /*
- * Must commit qparity update to memory before waiting for parity
-@@ -155,7 +145,6 @@ void synchronize_rcu(void)
- * Wait for previous parity to be empty of readers.
- */
- wait_for_quiescent_state(); /* Wait readers in parity 0 */
-- debug_yield_write();
-
- /*
- * Must finish waiting for quiescent state for parity 0 before
-@@ -166,7 +155,6 @@ void synchronize_rcu(void)
- smp_mb();
-
- switch_next_urcu_qparity(); /* 1 -> 0 */
-- debug_yield_write();
-
- /*
- * Must commit qparity update to memory before waiting for parity
-@@ -180,17 +168,14 @@ void synchronize_rcu(void)
- * Wait for previous parity to be empty of readers.
- */
- wait_for_quiescent_state(); /* Wait readers in parity 1 */
-- debug_yield_write();
-
- internal_urcu_unlock();
-- debug_yield_write();
-
- /* All threads should finish using the data referred to by old ptr
- * before decrementing their urcu_active_readers count */
- /* Finish waiting for reader threads before letting the old ptr being
- * freed. */
- force_mb_all_threads();
-- debug_yield_write();
- }
-
- void urcu_add_reader(pthread_t id)
-diff --git a/urcu.h b/urcu.h
-index 92b31df..1b663c7 100644
---- a/urcu.h
-+++ b/urcu.h
-@@ -219,13 +219,11 @@ static inline int rcu_old_gp_ongoing(long *value)
-
- if (value == NULL)
- return 0;
-- debug_yield_write();
- /*
- * Make sure both tests below are done on the same version of *value
- * to insure consistency.
- */
- v = ACCESS_ONCE(*value);
-- debug_yield_write();
- return (v & RCU_GP_CTR_NEST_MASK) &&
- ((v ^ urcu_gp_ctr) & RCU_GP_CTR_BIT);
- }
-@@ -234,34 +232,27 @@ static inline void rcu_read_lock(void)
- {
- long tmp;
-
-- debug_yield_read();
- tmp = urcu_active_readers;
-- debug_yield_read();
- /* urcu_gp_ctr = RCU_GP_COUNT | (~RCU_GP_CTR_BIT or RCU_GP_CTR_BIT) */
- if (likely(!(tmp & RCU_GP_CTR_NEST_MASK)))
- urcu_active_readers = urcu_gp_ctr;
- else
- urcu_active_readers = tmp + RCU_GP_COUNT;
-- debug_yield_read();
- /*
- * Increment active readers count before accessing the pointer.
- * See force_mb_all_threads().
- */
- read_barrier();
-- debug_yield_read();
- }
-
- static inline void rcu_read_unlock(void)
- {
-- debug_yield_read();
- read_barrier();
-- debug_yield_read();
- /*
- * Finish using rcu before decrementing the pointer.
- * See force_mb_all_threads().
- */
- urcu_active_readers -= RCU_GP_COUNT;
-- debug_yield_read();
- }
-
- /**
-@@ -302,7 +293,6 @@ extern void synchronize_rcu(void);
- #define urcu_publish_content(p, v) \
- ({ \
- void *oldptr; \
-- debug_yield_write(); \
- oldptr = rcu_xchg_pointer(p, v); \
- synchronize_rcu(); \
- oldptr; \