kunit: Rename 'kunitconfig' to '.kunitconfig'

This commit renames 'kunitconfig' to '.kunitconfig' so that it can be
automatically ignored by git and do not disturb people who want to type
'kernel/' by pressing only the 'k' and then 'tab' key.

Signed-off-by: SeongJae Park <sjpark@amazon.de>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Upstream-v5.5-SHA1: 14ee5cfd4512ee3d1e0047d8751450dcc6544070
diff --git a/Documentation/dev-tools/kunit/start.rst b/Documentation/dev-tools/kunit/start.rst
index d5197f1..4e1d24d 100644
--- a/Documentation/dev-tools/kunit/start.rst
+++ b/Documentation/dev-tools/kunit/start.rst
@@ -24,18 +24,16 @@
 For more information on this wrapper (also called kunit_tool) checkout the
 :doc:`kunit-tool` page.
 
-Creating a kunitconfig
-======================
+Creating a .kunitconfig
+=======================
 The Python script is a thin wrapper around Kbuild. As such, it needs to be
-configured with a ``kunitconfig`` file. This file essentially contains the
+configured with a ``.kunitconfig`` file. This file essentially contains the
 regular Kernel config, with the specific test targets as well.
 
 .. code-block:: bash
 
 	cd $PATH_TO_LINUX_REPO
-	cp arch/um/configs/kunit_defconfig kunitconfig
-
-You may want to add kunitconfig to your local gitignore.
+	cp arch/um/configs/kunit_defconfig .kunitconfig
 
 Verifying KUnit Works
 ---------------------
@@ -150,7 +148,7 @@
 
 	obj-$(CONFIG_MISC_EXAMPLE_TEST) += example-test.o
 
-Now add it to your ``kunitconfig``:
+Now add it to your ``.kunitconfig``:
 
 .. code-block:: none
 
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index e4250c4..e59eb9e 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -108,7 +108,7 @@
 				type=str, default='', metavar='build_dir')
 
 	run_parser.add_argument('--defconfig',
-				help='Uses a default kunitconfig.',
+				help='Uses a default .kunitconfig.',
 				action='store_true')
 
 	cli_args = parser.parse_args(argv)
diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
index a10c0c7..cc5d844 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py
@@ -14,7 +14,7 @@
 import kunit_config
 
 KCONFIG_PATH = '.config'
-kunitconfig_path = 'kunitconfig'
+kunitconfig_path = '.kunitconfig'
 
 class ConfigError(Exception):
 	"""Represents an error trying to configure the Linux kernel."""
@@ -111,7 +111,7 @@
 		return True
 
 	def build_reconfig(self, build_dir):
-		"""Creates a new .config if it is not a subset of the kunitconfig."""
+		"""Creates a new .config if it is not a subset of the .kunitconfig."""
 		kconfig_path = get_kconfig_path(build_dir)
 		if os.path.exists(kconfig_path):
 			existing_kconfig = kunit_config.Kconfig()