From: Steven Rostedt <rost...@goodmis.org>
Reverting the rcu swait patches fixed the boot problem. Then when I was
looking at the revert itself, this stood out like a sore thumb.
static void rcu_nocb_gp_cleanup(struct rcu_state *rsp, struct rcu_node *rnp) {
- swait_wake(&rnp->nocb_gp_wq[rnp->completed & 0x1]);
+ wake_up_all(&rnp->nocb_gp_wq[rnp->completed & 0x1]);
}
See the problem there?
Reviewed-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Signed-off-by: Steven Rostedt <rost...@goodmis.org>
---
kernel/rcutree_plugin.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index 684b762..dc0c4b2 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -2036,7 +2036,7 @@ static int rcu_nocb_needs_gp(struct rcu_state *rsp)
*/
static void rcu_nocb_gp_cleanup(struct rcu_state *rsp, struct rcu_node *rnp)
{
- swait_wake(&rnp->nocb_gp_wq[rnp->completed & 0x1]);
+ swait_wake_all(&rnp->nocb_gp_wq[rnp->completed & 0x1]);
}
/*
--
1.7.10.4
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