linux-kernel - Re: [PATCH 2/8] perf tools: Add gzip decompression support for kernel module

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Date:	Wed, 05 Nov 2014 12:04:19 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 2/8] perf tools: Add gzip decompression support for kernel module

On Tue, 4 Nov 2014 11:15:08 -0300, Arnaldo Carvalho de Melo wrote:
> Em Tue, Nov 04, 2014 at 10:14:28AM +0900, Namhyung Kim escreveu:
>> Now my Archlinux box shows module symbols correctly.
>
> Now my RHEL6 box doesn't build:
>
>> +++ b/tools/perf/util/dso.c
>> @@ -141,17 +141,13 @@ int dso__read_binary_type_filename(const struct dso *dso,
>>  	return ret;
>
>>  static const struct {
>>  	const char *fmt;
>>  	int (*decompress)(const char *input, int output);
>>  } compressions[] = {
>> -	{ "gz", decompress_dummy },
>> +#ifdef HAVE_ZLIB_SUPPORT
>> +	{ "gz", gzip_decompress_to_file },
>> +#endif
>>  	{ NULL, },
>>  };
>
>   CC       /tmp/build/perf/util/dso.o
> cc1: warnings being treated as errors
> util/dso.c:151: error: missing initializer
> util/dso.c:151: error: (near initialization for
> ‘compressions[1].decompress’)
> make[1]: *** [/tmp/build/perf/util/dso.o] Error 1
> make: Leaving directory `/home/gita/perf-3.18.0-rc1/tools/perf'
> make: *** [install] Error 2
> [acme@zoo linux]$
>
> Will try and fix it, nevermind :-)

Also fixed and pushed to perf/vmlinux-v7 branch.

Thanks,
Namhyung
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