linux-kernel - [PATCH 5/6] selftests/nolibc: extraconfig support

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Date:   Sun, 05 Nov 2023 11:09:59 +0100
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc:     Zhangjin Wu <falcon@...ylab.org>, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH 5/6] selftests/nolibc: extraconfig support

Allow some postprocessing of defconfig files.

Suggested-by: Zhangjin Wu <falcon@...ylab.org>
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 tools/testing/selftests/nolibc/Makefile | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index f8fea9fa0263..02c074e73a28 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -81,6 +81,8 @@ DEFCONFIG_s390       = defconfig
 DEFCONFIG_loongarch  = defconfig
 DEFCONFIG            = $(DEFCONFIG_$(XARCH))
 
+EXTRACONFIG           = $(EXTRACONFIG_$(XARCH))
+
 # optional tests to run (default = all)
 TEST =
 
@@ -227,6 +229,10 @@ initramfs: nolibc-test
 
 defconfig:
 	$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) mrproper $(DEFCONFIG) prepare
+	$(Q)if [ -n "$(EXTRACONFIG)" ]; then \
+		$(srctree)/scripts/config --file $(objtree)/.config $(EXTRACONFIG); \
+		$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) oldconfig < /dev/null; \
+	fi
 
 kernel:
 	$(Q)$(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) $(IMAGE_NAME)

-- 
2.42.1