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skmsg: Use rcu work for destroying psock

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The RCU callback sk_psock_destroy() only queues work psock->gc,
so we can just switch to rcu work to simplify the code.

Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/bpf/20210331023237.41094-6-xiyou.wangcong@gmail.com
This commit is contained in:
Cong Wang
2021-03-30 19:32:26 -07:00
committed by Alexei Starovoitov
parent 799aa7f98d
commit 7786dfc41a
2 changed files with 6 additions and 16 deletions
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5
include/linux/skmsg.h
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@@ -102,10 +102,7 @@ struct sk_psock {
struct mutex work_mutex;
struct sk_psock_work_state work_state;
struct work_struct work;
union {
struct rcu_head rcu;
struct work_struct gc;
};
struct rcu_work rwork;
};
int sk_msg_alloc(struct sock *sk, struct sk_msg *msg, int len,