netdev - Re: [PATCH] tools/runqslower: Change state to _

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Message-ID: <CAPhsuW5Vs5_WKtoe3Yn1Da73HQ0G1Q1LDNFMJzGjJQtCjyRCnA@mail.gmail.com>
Date:   Tue, 6 Jul 2021 15:53:34 -0700
From:   Song Liu <song@...nel.org>
To:     Jiri Olsa <jolsa@...hat.com>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andriin@...com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...omium.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] tools/runqslower: Change state to __state

On Tue, Jul 6, 2021 at 1:40 PM Jiri Olsa <jolsa@...hat.com> wrote:
>
> The task_struct state got renamed to __state, causing
> compile fail:
>
>   runqslower.bpf.c:77:12: error: no member named 'state' in 'struct task_struct'
>         if (prev->state == TASK_RUNNING)
>
> As this is tracing prog, I think we don't need to use
> READ_ONCE to access __state.
>
> Fixes: 2f064a59a11f ("sched: Change task_struct::state")
> Signed-off-by: Jiri Olsa <jolsa@...nel.org>

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