linux-kernel - libtracevent: Build warning on 32-bit arches

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Message-ID: <20200901221141.GB1464000@kernel.org>
Date:   Tue, 1 Sep 2020 19:11:41 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Tzvetomir Stoyanov <tz.stoyanov@...il.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        linux-trace-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: libtracevent: Build warning on 32-bit arches

Hi Tzvetomir,

	I noticed this:

  27 debian:experimental-x-mips    : Ok   mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
  29 debian:experimental-x-mipsel  : Ok   mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
  64 ubuntu:16.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
  69 ubuntu:18.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
  71 ubuntu:18.04-x-m68k           : Ok   m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
  77 ubuntu:18.04-x-sh4            : Ok   sh4-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0

    event-parse.c: In function 'print_arg_pointer':
    event-parse.c:5262:29: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
       trace_seq_printf(s, "%p", (void *)val);
                                 ^
The cset is:

  487ae1f4a17c197a ("tools lib traceevent: Add support for more printk format specifiers")

Best regards,

- Arnaldo