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authorPeter Zijlstra <peterz@infradead.org>2020-06-15 11:51:29 +0200
committerPeter Zijlstra <peterz@infradead.org>2020-11-24 16:47:48 +0100
commit7a9f50a05843fee8366bd3a65addbebaa7cf7f07 (patch)
treeaaaf1949ef4772b9d6602207c2dd6b92936591dc /kernel/rcu
parentsched: Limit the amount of NUMA imbalance that can exist at fork time (diff)
downloadlinux-dev-7a9f50a05843fee8366bd3a65addbebaa7cf7f07.tar.xz
linux-dev-7a9f50a05843fee8366bd3a65addbebaa7cf7f07.zip
irq_work: Cleanup
Get rid of the __call_single_node union and clean up the API a little to avoid external code relying on the structure layout as much. Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Diffstat (limited to 'kernel/rcu')
-rw-r--r--kernel/rcu/tree.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 06895ef85d69..a41e84f1b55a 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -1311,8 +1311,6 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
if (IS_ENABLED(CONFIG_IRQ_WORK) &&
!rdp->rcu_iw_pending && rdp->rcu_iw_gp_seq != rnp->gp_seq &&
(rnp->ffmask & rdp->grpmask)) {
- init_irq_work(&rdp->rcu_iw, rcu_iw_handler);
- atomic_set(&rdp->rcu_iw.flags, IRQ_WORK_HARD_IRQ);
rdp->rcu_iw_pending = true;
rdp->rcu_iw_gp_seq = rnp->gp_seq;
irq_work_queue_on(&rdp->rcu_iw, rdp->cpu);
@@ -3964,6 +3962,7 @@ int rcutree_prepare_cpu(unsigned int cpu)
rdp->cpu_no_qs.b.norm = true;
rdp->core_needs_qs = false;
rdp->rcu_iw_pending = false;
+ rdp->rcu_iw = IRQ_WORK_INIT_HARD(rcu_iw_handler);
rdp->rcu_iw_gp_seq = rdp->gp_seq - 1;
trace_rcu_grace_period(rcu_state.name, rdp->gp_seq, TPS("cpuonl"));
raw_spin_unlock_irqrestore_rcu_node(rnp, flags);