X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=urcu-qsbr-static.h;h=108ef6e7181d58409b2314d0ea0551b211f8e76a;hp=86f0fc507449451d70f276571d3c6aa1be61d98a;hb=5481ddb381061bda64aebc039900d21cac6a6caf;hpb=af147b83c4f67d99e6582f15eea5cb2ae51b8d36 diff --git a/urcu-qsbr-static.h b/urcu-qsbr-static.h index 86f0fc5..108ef6e 100644 --- a/urcu-qsbr-static.h +++ b/urcu-qsbr-static.h @@ -9,7 +9,7 @@ * TO BE INCLUDED ONLY IN LGPL-COMPATIBLE CODE. See urcu-qsbr.h for linking * dynamically with the userspace rcu QSBR library. * - * Copyright (c) 2009 Mathieu Desnoyers + * Copyright (c) 2009 Mathieu Desnoyers * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. * * This library is free software; you can redistribute it and/or @@ -174,25 +174,27 @@ static inline void _rcu_read_unlock(void) static inline void _rcu_quiescent_state(void) { - smp_mb(); + cmm_smp_mb(); _STORE_SHARED(rcu_reader.ctr, _LOAD_SHARED(rcu_gp_ctr)); - smp_mb(); /* write rcu_reader.ctr before read futex */ + cmm_smp_mb(); /* write rcu_reader.ctr before read futex */ wake_up_gp(); - smp_mb(); + cmm_smp_mb(); } static inline void _rcu_thread_offline(void) { - smp_mb(); + cmm_smp_mb(); STORE_SHARED(rcu_reader.ctr, 0); - smp_mb(); /* write rcu_reader.ctr before read futex */ + cmm_smp_mb(); /* write rcu_reader.ctr before read futex */ wake_up_gp(); + cmm_barrier(); /* Ensure the compiler does not reorder us with mutex */ } static inline void _rcu_thread_online(void) { + cmm_barrier(); /* Ensure the compiler does not reorder us with mutex */ _STORE_SHARED(rcu_reader.ctr, LOAD_SHARED(rcu_gp_ctr)); - smp_mb(); + cmm_smp_mb(); } #ifdef __cplusplus