selftests: New very basic kernel selftests directory

Bring a new kernel selftests directory in tools/testing/selftests.
To add a new selftest, create a subdirectory with the sources and
a makefile that creates a target named "run_test" then add the
subdirectory name to the TARGET var in tools/testing/selftests/Makefile
and tools/testing/selftests/run_tests script.

This can help centralizing and maintaining any useful selftest that
developers usually tend to let rust in peace on some random server.

Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
---
 tools/testing/selftests/Makefile  |   11 +++++++++++
 tools/testing/selftests/run_tests |    8 ++++++++
 2 files changed, 19 insertions(+), 0 deletions(-)
 create mode 100644 tools/testing/selftests/Makefile
 create mode 100755 tools/testing/selftests/run_tests

diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
new file mode 100644
index 0000000..298a5c0
--- /dev/null
+++ b/tools/testing/selftests/Makefile
@@ -0,0 +1,11 @@
+TARGETS =
+
+all:
+	for TARGET in $(TARGETS); do \
+		make -C $$TARGET; \
+	done;
+
+clean:
+	for TARGET in $(TARGETS); do \
+		make -C $$TARGET clean; \
+	done;
diff --git a/tools/testing/selftests/run_tests b/tools/testing/selftests/run_tests
new file mode 100755
index 0000000..701960d
--- /dev/null
+++ b/tools/testing/selftests/run_tests
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+TARGETS=
+
+for TARGET in $TARGETS
+do
+	$TARGET/run_test
+done
-- 
1.7.5.4

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