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Subject[tip:perf/urgent] perf tools: do not look at ./config for configuration
Commit-ID:  aba8d056078e47350d85b06a9cabd5afcc4b72ea
Gitweb: http://git.kernel.org/tip/aba8d056078e47350d85b06a9cabd5afcc4b72ea
Author: Jonathan Nieder <jrnieder@gmail.com>
AuthorDate: Fri, 5 Aug 2011 18:58:38 +0200
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Mon, 8 Aug 2011 09:46:32 -0300

perf tools: do not look at ./config for configuration

In addition to /etc/perfconfig and $HOME/.perfconfig, perf looks for
configuration in the file ./config, imitating git which looks at
$GIT_DIR/config. If ./config is not a perf configuration file, it
fails, or worse, treats it as a configuration file and changes behavior
in some unexpected way.

"config" is not an unusual name for a file to be lying around and perf
does not have a private directory dedicated for its own use, so let's
just stop looking for configuration in the cwd. Callers needing
context-sensitive configuration can use the PERF_CONFIG environment
variable.

Requested-by: Christian Ohm <chr.ohm@gmx.net>
Cc: 632923@bugs.debian.org
Cc: Ben Hutchings <ben@decadent.org.uk>
Cc: Christian Ohm <chr.ohm@gmx.net>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20110805165838.GA7237@elie.gateway.2wire.net
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/config.c | 7 -------
1 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index e02d78c..6c86eca 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -399,7 +399,6 @@ static int perf_config_global(void)
int perf_config(config_fn_t fn, void *data)
{
int ret = 0, found = 0;
- char *repo_config = NULL;
const char *home = NULL;

/* Setting $PERF_CONFIG makes perf read _only_ the given config file. */
@@ -421,12 +420,6 @@ int perf_config(config_fn_t fn, void *data)
free(user_config);
}

- repo_config = perf_pathdup("config");
- if (!access(repo_config, R_OK)) {
- ret += perf_config_from_file(fn, repo_config, data);
- found += 1;
- }
- free(repo_config);
if (found == 0)
return -1;
return ret;

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