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Date:   Thu, 31 Mar 2022 02:30:10 +0000
To:     Masami Hiramatsu <>
Subject: Re: [PATCH bpf] rethook: Fix to use WRITE_ONCE() for rethook::handler


This patch was applied to bpf/bpf.git (master)
by Alexei Starovoitov <>:

On Thu, 31 Mar 2022 10:11:17 +0900 you wrote:
> Since the function pointered by rethook::handler never be removed when
> the rethook is alive, it doesn't need to use rcu_assign_pointer() to
> update it. Just use WRITE_ONCE().
> Reported-by: Alexei Starovoitov <>
> Signed-off-by: Masami Hiramatsu <>
> [...]

Here is the summary with links:
  - [bpf] rethook: Fix to use WRITE_ONCE() for rethook::handler

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