[PATCH 1/2] pahole: Factor out routine to process "--btf_features=all"

[Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>]

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

As we'll use it to process "--btf_features=+reproducible_build" meaning
"all + reproducible_build".

Cc: Alan Maguire <alan.maguire@xxxxxxxxxx>
Cc: Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx>
Cc: Daniel Xu <dxu@xxxxxxxxx>
Cc: Eduard Zingerman <eddyz87@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 pahole.c | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/pahole.c b/pahole.c
index 38cc6362015fd95b..af94d2a45ee96cbe 100644
--- a/pahole.c
+++ b/pahole.c
@@ -1340,6 +1340,14 @@ static void show_supported_btf_features(FILE *output)
 	fprintf(output, "\n");
 }
 
+static void btf_features__enable_for_all(void)
+{
+	for (int i = 0; i < ARRAY_SIZE(btf_features); i++) {
+		if (btf_features[i].enable_for_all)
+			enable_btf_feature(&btf_features[i]);
+	}
+}
+
 /* Translate --btf_features=feature1[,feature2] into conf_load values.
  * Explicitly ignores unrecognized features to allow future specification
  * of new opt-in features.
@@ -1352,12 +1360,7 @@ static void parse_btf_features(const char *features, bool strict)
 	init_btf_features();
 
 	if (strcmp(features, "all") == 0) {
-		int i;
-
-		for (i = 0; i < ARRAY_SIZE(btf_features); i++) {
-			if (btf_features[i].enable_for_all)
-				enable_btf_feature(&btf_features[i]);
-		}
+		btf_features__enable_for_all();
 		return;
 	}
 
@@ -1371,7 +1374,7 @@ static void parse_btf_features(const char *features, bool strict)
 			 * allowed.
 			 */
 			if (strcmp(feature_name, "all") == 0) {
-				parse_btf_features(feature_name, strict);
+				btf_features__enable_for_all();
 			} else if (strict) {
 				fprintf(stderr, "Feature '%s' in '%s' is not supported.  Supported BTF features are:\n",
 					feature_name, features);
-- 
2.44.0