netdev - Re: [bpf-next v3 08/12] tools headers: Sync struct bpf_perf_event

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Message-ID: <CAEf4BzZ23_m-L6vob6BKn24yphRQUBMceAHqkSU+8C8EovmVFA@mail.gmail.com>
Date:   Thu, 11 Jul 2019 17:21:56 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Krzesimir Nowak <krzesimir@...volk.io>
Cc:     open list <linux-kernel@...r.kernel.org>,
        Alban Crequy <alban@...volk.io>,
        Iago López Galeiras <iago@...volk.io>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        John Fastabend <john.fastabend@...il.com>,
        Stanislav Fomichev <sdf@...gle.com>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        xdp-newbies@...r.kernel.org
Subject: Re: [bpf-next v3 08/12] tools headers: Sync struct bpf_perf_event_data

On Mon, Jul 8, 2019 at 3:42 PM Krzesimir Nowak <krzesimir@...volk.io> wrote:
>
> struct bpf_perf_event_data in kernel headers has the addr field, which
> is missing in the tools version of the struct. This will be important
> for the bpf prog test run implementation for perf events as it will
> expect data to be an instance of struct bpf_perf_event_data, so the
> size of the data needs to match sizeof(bpf_perf_event_data).
>
> Signed-off-by: Krzesimir Nowak <krzesimir@...volk.io>
> ---

Acked-by: Andrii Nakryiko <andriin@...com>

>  tools/include/uapi/linux/bpf_perf_event.h | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/tools/include/uapi/linux/bpf_perf_event.h b/tools/include/uapi/linux/bpf_perf_event.h
> index 8f95303f9d80..eb1b9d21250c 100644
> --- a/tools/include/uapi/linux/bpf_perf_event.h
> +++ b/tools/include/uapi/linux/bpf_perf_event.h
> @@ -13,6 +13,7 @@
>  struct bpf_perf_event_data {
>         bpf_user_pt_regs_t regs;
>         __u64 sample_period;
> +       __u64 addr;
>  };
>
>  #endif /* _UAPI__LINUX_BPF_PERF_EVENT_H__ */
> --
> 2.20.1
>