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[kirkstone,21/29] oeqa/runtime: add test that the kernel has CONFIG_PREEMPT_RT enabled

Message ID de7bd5b616b9af3a88d718c79e85a4b53efb3280.1659105705.git.steve@sakoman.com
State New, archived
Headers show
Series [kirkstone,01/29] qemu: CVE-2022-35414 can perform an uninitialized read on the translate_fail path, leading to an io_readx or io_writex crash | expand

Commit Message

Steve Sakoman July 29, 2022, 2:46 p.m. UTC 
From: Ross Burton <ross.burton@arm.com>

This is the absolute bare minimum for testing the RT patches, but it
does mean we if we build and boot a RT kernel we can verify that it is
what we expect.

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 0301d5845115d09299f87683b3efa46f3b4c7be9)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
---
 meta/lib/oeqa/runtime/cases/rt.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 meta/lib/oeqa/runtime/cases/rt.py
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Patch

diff --git a/meta/lib/oeqa/runtime/cases/rt.py b/meta/lib/oeqa/runtime/cases/rt.py
new file mode 100644
index 0000000000..849ac1914e
--- /dev/null
+++ b/meta/lib/oeqa/runtime/cases/rt.py
@@ -0,0 +1,17 @@ 
+#
+# SPDX-License-Identifier: MIT
+#
+
+from oeqa.runtime.case import OERuntimeTestCase
+from oeqa.core.decorator.depends import OETestDepends
+
+class RtTest(OERuntimeTestCase):
+    @OETestDepends(['ssh.SSHTest.test_ssh'])
+    def test_is_rt(self):
+        """
+        Check that the kernel has CONFIG_PREEMPT_RT enabled.
+        """
+        status, output = self.target.run("uname -a")
+        self.assertEqual(status, 0, msg=output)
+        # Split so we don't get a substring false-positive
+        self.assertIn("PREEMPT_RT", output.split())