| Message ID | tencent_E213C035373D59F2469A887D3D60498E6B08@qq.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [-next] srcu: Remove redundant GP sequence checks in srcu_funnel_gp_start | expand |
diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c index 5e2e53464794..cbef5674d201 100644 --- a/kernel/rcu/srcutree.c +++ b/kernel/rcu/srcutree.c @@ -1076,7 +1076,6 @@ static void srcu_funnel_gp_start(struct srcu_struct *ssp, struct srcu_data *sdp, /* If grace period not already in progress, start it. */ if (!WARN_ON_ONCE(rcu_seq_done(&sup->srcu_gp_seq, s)) && rcu_seq_state(sup->srcu_gp_seq) == SRCU_STATE_IDLE) { - WARN_ON_ONCE(ULONG_CMP_GE(sup->srcu_gp_seq, sup->srcu_gp_seq_needed)); srcu_gp_start(ssp); // And how can that list_add() in the "else" clause
We will perform GP sequence checking at the beginning of srcu_gp_start, thus making it safe to remove duplicate GP sequence checks prior to calling srcu_gp_start. Signed-off-by: Feng Lee <379943137@qq.com> --- kernel/rcu/srcutree.c | 1 - 1 file changed, 1 deletion(-)