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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2018-04-28 06:25:01 +0200
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2018-07-12 23:27:52 +0200
commitba04107fc901ddce49686944f7e038b4f0b0a359 (patch)
tree35fc87701d5663661ee4f31558cfcfc40b4f59ac /kernel/rcu
parentrcu: Move rcu_nocb_gp_get() to ->gp_seq (diff)
downloadlinux-ba04107fc901ddce49686944f7e038b4f0b0a359.tar.xz
linux-ba04107fc901ddce49686944f7e038b4f0b0a359.zip
rcu: Move rcu_gp_in_progress() to ->gp_seq
This commit makes rcu_gp_in_progress() use ->gp_seq instead of ->completed and ->gpnum. The READ_ONCE() invocations are buried in rcu_seq_current(). Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/tree.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index b3af3d24286c..56445f4c09a8 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -219,7 +219,7 @@ unsigned long rcu_rnp_online_cpus(struct rcu_node *rnp)
*/
static int rcu_gp_in_progress(struct rcu_state *rsp)
{
- return READ_ONCE(rsp->completed) != READ_ONCE(rsp->gpnum);
+ return rcu_seq_state(rcu_seq_current(&rsp->gp_seq));
}
/*