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

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Date:   Wed, 2 Sep 2020 12:37:30 +0300
From:   Tzvetomir Stoyanov <tz.stoyanov@...il.com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        Linux Trace Devel <linux-trace-devel@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: libtracevent: Build warning on 32-bit arches

On Wed, Sep 2, 2020 at 1:11 AM Arnaldo Carvalho de Melo
<arnaldo.melo@...il.com> wrote:
>
> 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")
>

Thanks, Arnaldo
I'll submit a patch.

> Best regards,
>
> - Arnaldo



-- 
Tzvetomir (Ceco) Stoyanov
VMware Open Source Technology Center