netdev - Re: [PATCH bpf-next 07/11] samples: bpf: fix uin64

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Message-ID: <CAEf4BzZZ7Hxg4XgTTF4m=wG6aMZi88WMXrMgV3_4rs0FPugrtA@mail.gmail.com>
Date:   Wed, 20 Apr 2022 10:14:46 -0700
From:   Andrii Nakryiko <andrii.nakryiko@...il.com>
To:     Alexander Lobakin <alobakin@...me>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        John Fastabend <john.fastabend@...il.com>,
        KP Singh <kpsingh@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Jesper Dangaard Brouer <hawk@...nel.org>,
        Björn Töpel <bjorn@...nel.org>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Jonathan Lemon <jonathan.lemon@...il.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Dmitrii Dolgov <9erthalion6@...il.com>,
        Quentin Monnet <quentin@...valent.com>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Kumar Kartikeya Dwivedi <memxor@...il.com>,
        Chenbo Feng <fengc@...gle.com>,
        Willem de Bruijn <willemb@...gle.com>,
        Daniel Wagner <daniel.wagner@...-carit.de>,
        Thomas Graf <tgraf@...g.ch>,
        Ong Boon Leong <boon.leong.ong@...el.com>,
        "linux-perf-use." <linux-perf-users@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Networking <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>,
        llvm@...ts.linux.dev
Subject: Re: [PATCH bpf-next 07/11] samples: bpf: fix uin64_t format literals

On Thu, Apr 14, 2022 at 3:46 PM Alexander Lobakin <alobakin@...me> wrote:
>
> There's a couple places where uin64_t is being passed as an %ld
> format argument, which is incorrect (should be %lld). Fix them.

It depends on architecture, on some it will be %lu, on some it will be
%llu. But instead of PRIu64, just cast it to size_t and use %zu as
formatter

>
> Fixes: 51570a5ab2b7 ("A Sample of using socket cookie and uid for traffic monitoring")
> Fixes: 00f660eaf378 ("Sample program using SO_COOKIE")
> Signed-off-by: Alexander Lobakin <alobakin@...me>
> ---
>  samples/bpf/cookie_uid_helper_example.c | 12 ++++++------
>  samples/bpf/lwt_len_hist_user.c         |  4 ++--
>  2 files changed, 8 insertions(+), 8 deletions(-)
>

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