[PATCH 1/2] testsuite: compress modules if feature is enabled

From: Lucas De Marchi <lucas.demarchi@intel.com>
To: linux-modules@vger.kernel.org
Cc: "Michal Suchánek" <msuchanek@suse.de>,
	"Petr Vorel" <petr.vorel@gmail.com>
Subject: [PATCH 1/2] testsuite: compress modules if feature is enabled
Date: Fri, 29 Jan 2021 18:35:59 -0800	[thread overview]
Message-ID: <20210130023600.24239-1-lucas.demarchi@intel.com> (raw)

Since the output needs to be the same, regardless if the module is
compressed, change populate-modules.sh to conditionally compress the
module if that feature is enabled.

This way we can execute the tests with any build-time configuration and
it should still pass.

Suggested-by: Michal Suchánek <msuchanek@suse.de>
---
 Makefile.am                   |  2 +-
 testsuite/populate-modules.sh | 27 ++++++++++++++++++---------
 testsuite/test-depmod.c       |  2 --
 3 files changed, 19 insertions(+), 12 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index b29e943..24a586e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -249,7 +249,7 @@ CREATE_ROOTFS = $(AM_V_GEN) ( $(RM) -rf $(ROOTFS) && mkdir -p $(dir $(ROOTFS)) &
 				find $(ROOTFS) -type d -exec chmod +w {} \; && \
 				find $(ROOTFS) -type f -name .gitignore -exec rm -f {} \; && \
 				$(top_srcdir)/testsuite/populate-modules.sh \
-					$(MODULE_PLAYGROUND) $(ROOTFS) ) && \
+					$(MODULE_PLAYGROUND) $(ROOTFS) $(top_builddir)/config.h ) && \
 				touch testsuite/stamp-rootfs
 
 build-module-playground:
diff --git a/testsuite/populate-modules.sh b/testsuite/populate-modules.sh
index b0cc932..ae43884 100755
--- a/testsuite/populate-modules.sh
+++ b/testsuite/populate-modules.sh
@@ -4,6 +4,12 @@ set -e
 
 MODULE_PLAYGROUND=$1
 ROOTFS=$2
+CONFIG_H=$3
+
+feature_enabled() {
+	local feature=$1
+	grep KMOD_FEATURES  $CONFIG_H | head -n 1 | grep -q \+$feature
+}
 
 declare -A map
 map=(
@@ -99,15 +105,18 @@ done
 
 # start poking the final rootfs...
 
-# gzip these modules
-for m in "${gzip_array[@]}"; do
-    gzip "$ROOTFS/$m"
-done
-
-# zstd-compress these modules
-for m in "${zstd_array[@]}"; do
-    zstd --rm $ROOTFS/$m
-done
+# compress modules with each format if feature is enabled
+if feature_enabled ZLIB; then
+	for m in "${gzip_array[@]}"; do
+	    gzip "$ROOTFS/$m"
+	done
+fi
+
+if feature_enabled ZSTD; then
+	for m in "${zstd_array[@]}"; do
+	    zstd --rm $ROOTFS/$m
+	done
+fi
 
 for m in "${attach_sha1_array[@]}"; do
     cat "${MODULE_PLAYGROUND}/dummy.sha1" >>"${ROOTFS}/$m"
diff --git a/testsuite/test-depmod.c b/testsuite/test-depmod.c
index 261559c..d7802d7 100644
--- a/testsuite/test-depmod.c
+++ b/testsuite/test-depmod.c
@@ -25,7 +25,6 @@
 
 #include "testsuite.h"
 
-#ifdef ENABLE_ZLIB
 #define MODULES_ORDER_UNAME "4.4.4"
 #define MODULES_ORDER_ROOTFS TESTSUITE_ROOTFS "test-depmod/modules-order-compressed"
 #define MODULES_ORDER_LIB_MODULES MODULES_ORDER_ROOTFS "/lib/modules/" MODULES_ORDER_UNAME
@@ -57,7 +56,6 @@ DEFINE_TEST(depmod_modules_order_for_compressed,
 			{ }
 		},
 	});
-#endif
 
 #define SEARCH_ORDER_SIMPLE_ROOTFS TESTSUITE_ROOTFS "test-depmod/search-order-simple"
 static noreturn int depmod_search_order_simple(const struct test *t)
-- 
2.30.0

