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Message-Id: <1464657228-24170-6-git-send-email-treeze.taeung@gmail.com>
Date:	Tue, 31 May 2016 10:13:47 +0900
From:	Taeung Song <treeze.taeung@...il.com>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Taeung Song <treeze.taeung@...il.com>,
	Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH v4 5/6] perf config: Reset the config set at only 'config' sub-command

When first calling perf_config(), the config set is
initialized collecting both user and system config files
(i.e. user config ~/.perfconfig and system config
$(sysconfdir)/perfconfig) so config set contains
not only user config but also system config key-value pairs.
(User config has higher priority than system config.)

But 'config' sub-command individually use the config set
so free the existing config set (i.e. a global variable config_set)
before reinstantiating it.

And 'config' sub-command have '--user' or '--system' options.
To reinitialize with the options, the config set should be reset
at the very beginning at cmd_config()

Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Signed-off-by: Taeung Song <treeze.taeung@...il.com>
---
 tools/perf/builtin-config.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index f23fe52..4dab41e 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -79,6 +79,11 @@ int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused)
 	else if (use_user_config)
 		config_exclusive_filename = user_config;
 
+	/*
+	 * Reset the config set at only 'config' sub-command
+	 * because of reinitializing with options config file location.
+	 */
+	perf_config_set__delete(&config_set);
 	config_set = perf_config_set__new();
 	if (!config_set) {
 		ret = -1;
-- 
2.5.0

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