Merge remote-tracking branch 'torvalds/master' into perf-tools-next

To pick up fixes sent via perf-tools, by Namhyung Kim.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 34 insertions, 0 deletions

diff --git a/scripts/kconfig/tests/choice_randomize/__init__.py b/scripts/kconfig/tests/choice_randomize/__init__.py
new file mode 100644
index 000000000000..d380045be79c
--- /dev/null
+++ b/scripts/kconfig/tests/choice_randomize/__init__.py
@@ -0,0 +1,34 @@
+# SPDX-License-Identifier: GPL-2.0-only
+"""
+Randomize all dependent choices
+
+This is a somewhat tricky case for randconfig; the visibility of one choice is
+determined by a member of another choice. Randconfig should be able to generate
+all possible patterns.
+"""
+
+
+def test(conf):
+
+    expected0 = False
+    expected1 = False
+    expected2 = False
+
+    for i in range(100):
+        assert conf.randconfig(seed=i) == 0
+
+        if conf.config_matches('expected_config0'):
+            expected0 = True
+        elif conf.config_matches('expected_config1'):
+            expected1 = True
+        elif conf.config_matches('expected_config2'):
+            expected2 = True
+        else:
+            assert False
+
+        if expected0 and expected1 and expected2:
+            break
+
+    assert expected0
+    assert expected1
+    assert expected2