From e05720b0977bd50707ea6cf296f99e709de3f760 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Fri, 27 Apr 2018 18:58:58 -0700 Subject: [PATCH] rcu: Move rcu_implicit_dynticks_qs() to ->gp_seq This commit makes rcu_implicit_dynticks_qs() use ->gp_seq, with the exception of tracing, which will be converted later. Signed-off-by: Paul E. McKenney --- kernel/rcu/tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index de2e2c5..b3af3d2 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1178,7 +1178,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp) ruqp = per_cpu_ptr(&rcu_dynticks.rcu_urgent_qs, rdp->cpu); if (time_after(jiffies, rdp->rsp->gp_start + jtsq) && READ_ONCE(rdp->rcu_qs_ctr_snap) != per_cpu(rcu_dynticks.rcu_qs_ctr, rdp->cpu) && - READ_ONCE(rdp->gpnum) == rnp->gpnum && !rdp->gpwrap) { + rcu_seq_current(&rdp->gp_seq) == rnp->gp_seq && !rdp->gpwrap) { trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("rqc")); rcu_gpnum_ovf(rnp, rdp); return 1; -- 2.7.4