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authorLai Jiangshan <laijs@cn.fujitsu.com>2012-03-06 17:57:33 +0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2012-04-30 10:48:23 -0700
commit966f58c2f6df826f385706673a9bb1edcfd3499a (patch)
treec0c6701f8725a8675b3366d2fa24d86adedc34d4 /include/linux/srcu.h
parentb52ce066c55a6a53cf1f8d71308d74f908e31b99 (diff)
rcu: Remove unused srcu_barrier()
The old srcu_barrier() macro is now unused. This commit removes it so that it may be used for the SRCU flavor of rcu_barrier(), which will in turn be needed to allow the upcoming call_srcu() to be used from within modules. Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'include/linux/srcu.h')
-rw-r--r--include/linux/srcu.h6
1 files changed, 0 insertions, 6 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 15354db3e86..e5ce80452b6 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -44,12 +44,6 @@ struct srcu_struct {
#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
};
-#ifndef CONFIG_PREEMPT
-#define srcu_barrier() barrier()
-#else /* #ifndef CONFIG_PREEMPT */
-#define srcu_barrier()
-#endif /* #else #ifndef CONFIG_PREEMPT */
-
#ifdef CONFIG_DEBUG_LOCK_ALLOC
int __init_srcu_struct(struct srcu_struct *sp, const char *name,