From: Song Liu <song@kernel.org>
To: <live-patching@vger.kernel.org>
Cc: <jpoimboe@kernel.org>, <jikos@kernel.org>, <mbenes@suse.cz>,
<pmladek@suse.com>, <joe.lawrence@redhat.com>,
<kernel-team@fb.com>, Song Liu <song@kernel.org>
Subject: [PATCH v2 2/2] selftests/livepatch: add sysfs test
Date: Mon, 1 Aug 2022 18:08:57 -0700 [thread overview]
Message-ID: <20220802010857.3574103-3-song@kernel.org> (raw)
In-Reply-To: <20220802010857.3574103-1-song@kernel.org>
Add a test for livepatch sysfs entries.
Signed-off-by: Song Liu <song@kernel.org>
---
tools/testing/selftests/livepatch/Makefile | 3 +-
.../testing/selftests/livepatch/test-sysfs.sh | 40 +++++++++++++++++++
2 files changed, 42 insertions(+), 1 deletion(-)
create mode 100755 tools/testing/selftests/livepatch/test-sysfs.sh
diff --git a/tools/testing/selftests/livepatch/Makefile b/tools/testing/selftests/livepatch/Makefile
index 1acc9e1fa3fb..02fadc9d55e0 100644
--- a/tools/testing/selftests/livepatch/Makefile
+++ b/tools/testing/selftests/livepatch/Makefile
@@ -6,7 +6,8 @@ TEST_PROGS := \
test-callbacks.sh \
test-shadow-vars.sh \
test-state.sh \
- test-ftrace.sh
+ test-ftrace.sh \
+ test-sysfs.sh
TEST_FILES := settings
diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh
new file mode 100755
index 000000000000..eb4a69ba1c2c
--- /dev/null
+++ b/tools/testing/selftests/livepatch/test-sysfs.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2022 Song Liu <song@kernel.org>
+
+. $(dirname $0)/functions.sh
+
+MOD_LIVEPATCH=test_klp_livepatch
+
+setup_config
+
+# - load a livepatch and verifies the sysfs entries work as expected
+
+start_test "sysfs test"
+
+load_lp $MOD_LIVEPATCH
+
+grep . "/sys/kernel/livepatch/$MOD_LIVEPATCH"/* > /dev/kmsg
+grep . "/sys/kernel/livepatch/$MOD_LIVEPATCH"/*/* > /dev/kmsg
+
+disable_lp $MOD_LIVEPATCH
+
+unload_lp $MOD_LIVEPATCH
+
+check_result "% modprobe $MOD_LIVEPATCH
+livepatch: enabling patch '$MOD_LIVEPATCH'
+livepatch: '$MOD_LIVEPATCH': initializing patching transition
+livepatch: '$MOD_LIVEPATCH': starting patching transition
+livepatch: '$MOD_LIVEPATCH': completing patching transition
+livepatch: '$MOD_LIVEPATCH': patching complete
+/sys/kernel/livepatch/test_klp_livepatch/enabled:1
+/sys/kernel/livepatch/test_klp_livepatch/transition:0
+/sys/kernel/livepatch/test_klp_livepatch/vmlinux/patched:1
+% echo 0 > /sys/kernel/livepatch/$MOD_LIVEPATCH/enabled
+livepatch: '$MOD_LIVEPATCH': initializing unpatching transition
+livepatch: '$MOD_LIVEPATCH': starting unpatching transition
+livepatch: '$MOD_LIVEPATCH': completing unpatching transition
+livepatch: '$MOD_LIVEPATCH': unpatching complete
+% rmmod $MOD_LIVEPATCH"
+
+exit 0
--
2.30.2
next prev parent reply other threads:[~2022-08-02 1:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-02 1:08 [PATCH v2 0/2] add sysfs entry "patched" for each klp_object Song Liu
2022-08-02 1:08 ` [PATCH v2 1/2] livepatch: " Song Liu
2022-09-02 11:49 ` Petr Mladek
2022-08-02 1:08 ` Song Liu [this message]
2022-08-02 21:36 ` [PATCH v2 2/2] selftests/livepatch: add sysfs test Joe Lawrence
2022-09-02 12:37 ` Petr Mladek
2022-09-02 15:42 ` Joe Lawrence
2022-08-02 21:37 ` [PATCH v2 0/2] add sysfs entry "patched" for each klp_object Joe Lawrence
2022-08-30 19:09 ` Song Liu
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