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Fri, 13 Mar 2026 13:58:39 -0700 (PDT) Received: from [127.0.0.1] ([2804:5078:834:1300:58f2:fc97:371f:3]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2beab526d3csm4042611eec.18.2026.03.13.13.58.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Mar 2026 13:58:38 -0700 (PDT) From: Marcos Paulo de Souza Subject: [PATCH 0/8] kselftests: livepatch: Adapt tests to be executed on 4.12 kernels Date: Fri, 13 Mar 2026 17:58:31 -0300 Message-Id: <20260313-lp-tests-old-fixes-v1-0-71ac6dfb3253@suse.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAHd6tGkC/yXMUQqDMBCE4avIPrsQI7bVq4gPGsd2RVSyUQTx7 k3t48fwz0kKL1CqkpM8dlFZ5ogsTch92vkNlj6arLEPk5uSp5UDNCgvU8+DHFAeyqJoO/eCs0+ K4epxD7Grm79160a48Hui6/oCapfNLHYAAAA= X-Change-ID: 20260309-lp-tests-old-fixes-f955abc8ec27 To: Josh Poimboeuf , Jiri Kosina , Miroslav Benes , Petr Mladek , Joe Lawrence , Shuah Khan Cc: live-patching@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Marcos Paulo de Souza X-Mailer: b4 0.15-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1773435515; l=1911; i=mpdesouza@suse.com; s=20231031; h=from:subject:message-id; bh=FY95oARvzfyJxaRn4kOC4ioFDdSacj4Az4fgX5W7CXc=; b=7JNUC+UvPAPTZWkz1aYQjRun4meZ6eGgR6ZZ2b/ha/drVnC1Rpa6USkYCYDEHOe7dYMOnpc6K qy3l3kt0+P4AUAdgdm2XsRbOBclBkoQPPwsy1EQ2oQfO1IQoBthwj2z X-Developer-Key: i=mpdesouza@suse.com; a=ed25519; pk=/Ni/TsKkr69EOmdZXkp1Q/BlzDonbOBRsfPa18ySIwU= These patches don't really change how the patches are run, just skip some tests on kernels that don't support a feature (like kprobe and livepatched living together) or when a livepatch sysfs attribute is missing. The last patch slightly adjusts check_result function to skip dmesg messages on SLE kernels when a livepatch is removed. These patches are based on printk/for-next branch. Please review! Thanks! Signed-off-by: Marcos Paulo de Souza --- Marcos Paulo de Souza (8): selftests: livepatch: test-syscall: Check for ARCH_HAS_SYSCALL_WRAPPER selftests: livepatch: test-kprobe: Replace true/false mod param by 1/0 selftests: livepatch: test-kprobe: Check if kprobes can work with livepatches selftests: livepatch: functions: Introduce check_sysfs_exists selftests: livepatch: sysfs: Split tests of replace attribute selftests: livepatch: sysfs: Split tests of stack_order attribute selftests: livepatch: sysfs: Split tests of patched attribute selftests: livepatch: functions.sh: Extend check for taint flag kernel message tools/testing/selftests/livepatch/Makefile | 3 + tools/testing/selftests/livepatch/functions.sh | 16 +- tools/testing/selftests/livepatch/test-kprobe.sh | 54 ++++--- .../selftests/livepatch/test-sysfs-patched-attr.sh | 95 ++++++++++++ .../selftests/livepatch/test-sysfs-replace-attr.sh | 75 ++++++++++ .../selftests/livepatch/test-sysfs-stack-attr.sh | 121 +++++++++++++++ tools/testing/selftests/livepatch/test-sysfs.sh | 164 --------------------- .../livepatch/test_modules/test_klp_syscall.c | 7 +- 8 files changed, 344 insertions(+), 191 deletions(-) --- base-commit: 920e5001f4beb38685d5b8cac061cb1d2760eeab change-id: 20260309-lp-tests-old-fixes-f955abc8ec27 Best regards, -- Marcos Paulo de Souza