linux-kernel - Re: [PATCH 1/2] perf report: Remove redundant libbfd checks

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Message-ID: <YC7CetsRKrZXf8WE@kernel.org>
Date:   Thu, 18 Feb 2021 16:39:38 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Nicholas Fraser <nfraser@...eweavers.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        "Frank Ch. Eigler" <fche@...hat.com>,
        Song Liu <songliubraving@...com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kim Phillips <kim.phillips@....com>,
        Tommi Rantala <tommi.t.rantala@...ia.com>,
        Remi Bernon <rbernon@...eweavers.com>,
        linux-kernel@...r.kernel.org,
        Ulrich Czekalla <uczekalla@...eweavers.com>,
        Huw Davies <huw@...eweavers.com>
Subject: Re: [PATCH 1/2] perf report: Remove redundant libbfd checks

Em Tue, Feb 16, 2021 at 03:37:20PM -0500, Nicholas Fraser escreveu:
> This removes the redundant checks bfd_check_format() and
> bfd_target_elf_flavour. They were previously checking different files.

you forgot the:

Signed-off-by: Nicholas Fraser <nfraser@...eweavers.com>

I'm adding it, ok?

I'm also addressing Jiri's remark about spaces surrounding |

- Arnaldo
> ---
>  tools/perf/util/symbol.c | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
> index 492c873713cc..08f6f57c84fd 100644
> --- a/tools/perf/util/symbol.c
> +++ b/tools/perf/util/symbol.c
> @@ -1586,15 +1586,6 @@ int dso__load_bfd_symbols(struct dso *dso, const char *debugfile)
>  	if (section)
>  		dso->text_offset = section->vma - section->filepos;
>  
> -	if (!bfd_check_format(abfd, bfd_object)) {
> -		pr_debug2("%s: cannot read %s bfd file.\n", __func__,
> -			  debugfile);
> -		goto out_close;
> -	}
> -
> -	if (bfd_get_flavour(abfd) == bfd_target_elf_flavour)
> -		goto out_close;
> -
>  	symbols_size = bfd_get_symtab_upper_bound(abfd);
>  	if (symbols_size == 0) {
>  		bfd_close(abfd);
> -- 
> 2.30.1

-- 

- Arnaldo