linux-kernel - [PATCH] kbuild: teach kselftest-merge to find nested config files

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Date:   Mon, 20 May 2019 10:16:14 -0500
From:   Dan Rue <dan.rue@...aro.org>
To:     dan.rue@...aro.org
Cc:     linux-kselftest@...r.kernel.org,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] kbuild: teach kselftest-merge to find nested config files

Current implementation of kselftest-merge only finds config files that
are one level deep using `$(srctree)/tools/testing/selftests/*/config`.

Often, config files are added in nested directories, and do not get
picked up by kselftest-merge.

Use `find` to catch all config files under
`$(srctree)/tools/testing/selftests` instead.

Signed-off-by: Dan Rue <dan.rue@...aro.org>
---
 Makefile | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index a45f84a7e811..e99e7f9484af 100644
--- a/Makefile
+++ b/Makefile
@@ -1228,9 +1228,8 @@ kselftest-clean:
 PHONY += kselftest-merge
 kselftest-merge:
 	$(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
-		-m $(objtree)/.config \
-		$(srctree)/tools/testing/selftests/*/config
+	$(Q)find $(srctree)/tools/testing/selftests -name config | \
+		xargs $(srctree)/scripts/kconfig/merge_config.sh -m $(objtree)/.config
 	+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
 
 # ---------------------------------------------------------------------------
-- 
2.21.0