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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-16 02:44:06 -0700 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2011-05-26 09:42:21 -0700 |
commit | 1135633bddcf7a819a1490c18d04965c490bcc1e (patch) | |
tree | 99facc2b3416a7c00cf042d2f782a87859e30d26 /kernel/rcutree.c | |
parent | 0bbcc529fcea9c7de5e2e7243f9913b8f7302a8c (diff) | |
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rcu: Remove old memory barriers from rcu_process_callbacks()
Second step of partitioning of commit e59fb3120b.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcutree.c')
-rw-r--r-- | kernel/rcutree.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c index 3731141..011bf6f 100644 --- a/kernel/rcutree.c +++ b/kernel/rcutree.c @@ -1460,25 +1460,11 @@ __rcu_process_callbacks(struct rcu_state *rsp, struct rcu_data *rdp) */ static void rcu_process_callbacks(void) { - /* - * Memory references from any prior RCU read-side critical sections - * executed by the interrupted code must be seen before any RCU - * grace-period manipulations below. - */ - smp_mb(); /* See above block comment. */ - __rcu_process_callbacks(&rcu_sched_state, &__get_cpu_var(rcu_sched_data)); __rcu_process_callbacks(&rcu_bh_state, &__get_cpu_var(rcu_bh_data)); rcu_preempt_process_callbacks(); - /* - * Memory references from any later RCU read-side critical sections - * executed by the interrupted code must be seen after any RCU - * grace-period manipulations above. - */ - smp_mb(); /* See above block comment. */ - /* If we are last CPU on way to dyntick-idle mode, accelerate it. */ rcu_needs_cpu_flush(); } |