linux-kernel - Re: [PATCH tip/core/rcu 6/9] bpf/cgroup: Replace rcu_swap_protected() with rcu

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Date:   Thu, 3 Oct 2019 13:58:13 -0700
From:   Song Liu <liu.song.a23@...il.com>
To:     Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc:     paulmck@...nel.org, rcu@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>, jiangshanlai@...il.com,
        dipankar@...ibm.com, Andrew Morton <akpm@...ux-foundation.org>,
        mathieu.desnoyers@...icios.com, josh@...htriplett.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Peter Ziljstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>, dhowells@...hat.com,
        Eric Dumazet <edumazet@...gle.com>, fweisbec@...il.com,
        Oleg Nesterov <oleg@...hat.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH tip/core/rcu 6/9] bpf/cgroup: Replace rcu_swap_protected()
 with rcu_replace()

On Thu, Oct 3, 2019 at 10:43 AM Andrii Nakryiko
<andrii.nakryiko@...il.com> wrote:
>
> On Wed, Oct 2, 2019 at 6:45 PM <paulmck@...nel.org> wrote:
> >
> > From: "Paul E. McKenney" <paulmck@...nel.org>
> >
> > This commit replaces the use of rcu_swap_protected() with the more
> > intuitively appealing rcu_replace() as a step towards removing
> > rcu_swap_protected().
> >
> > Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/
> > Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
> > Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> > Cc: Alexei Starovoitov <ast@...nel.org>
> > Cc: Daniel Borkmann <daniel@...earbox.net>
> > Cc: Martin KaFai Lau <kafai@...com>
> > Cc: Song Liu <songliubraving@...com>
> > Cc: Yonghong Song <yhs@...com>
> > Cc: <netdev@...r.kernel.org>
> > Cc: <bpf@...r.kernel.org>
> > ---
>
> Acked-by: Andrii Nakryiko <andriin@...com>

Acked-by: Song Liu <songliubraving@...com>