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b=XWAOIIyBjdG9Vc8ratkZMGToWGpGS/da+eAb3qMLd1bnOCHMIiwdJVYMFEEGWZm/q hAiMMVTUNzllZSc5rUdMmrZKayp2JI3ek7isQt2hiPO2xW760qnyYFsEnPKqkCRLSy bmat2sMb+3QLwuUtZK4IDo4A85NVbws0+iYLAFI6U19HjdA49JDmdFeejpnR1efl5x /+T7HZTx6VYg1VhNShhV8oM8AHaOUKqQztLzSP5psxii5nJuUggsCOlQaVS3RM8an4 DSXWCdVhP1vEz4SmE7/Vz17lkpPXjuvsyiuR3wpC46gW4RCadIvavAT9vJHVMSkQVJ 2t/caZhI65vyw== Date: Sun, 8 Feb 2026 20:27:29 +0200 From: Mike Rapoport To: Jordan Richards Cc: Pasha Tatashin , Pratyush Yadav , Shuah Khan , Jason Miu , David Matlack , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v2 2/2] selftests/liveupdate: add end to end test infrastructure and scripts Message-ID: References: <20260205222329.2419035-1-jordanrichards@google.com> <20260205222329.2419035-3-jordanrichards@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260205222329.2419035-3-jordanrichards@google.com> X-Stat-Signature: nbcxno3r5ps3sp5bzddumneaatmmmq43 X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 6A2A0C0013 X-HE-Tag: 1770575257-455855 X-HE-Meta: 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 2XnwmmcM vml0/rz++6MeoihiKJVRCpVS+lK1Mkzl3lxN4dD+NyMQnJVBVpnB5/ofgYcGDWYnQ2dK4iHXBisJmX7xXvF5WCVb+XvmxTnCNKyqiUnJwxTUz5JmXBrk5tCrJIuyQTnjqBWQTkTBvHx4KgJUwmwLtbB5yjx1B6idAdoDOstiXSmt7YheGQPWmMIWh34fQ8yWMMsyuQSGWdlOR1BddpmmMbAHnSgRDq/I4VXKJSzzhBKcyIBpKA1G3y3EtGGa09Fdtxrl9MeBv1RZKTTQMOwnYawnXA+t30ksXYUwr9fS/uOhZPkgwKZRdw8Q9vULkTlzDHuS8I6qcQK67nlB5KazDt7T5TxbvgmDpBT/uIPg3gmis+es= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Jordan, On Thu, Feb 05, 2026 at 10:23:29PM +0000, Jordan Richards wrote: > From: Pasha Tatashin > > Add the end to end testing infrastructure required to verify the > liveupdate feature. This includes a custom init process, a test > orchestration script, and a batch runner. > > The framework consists of: > > init.c: > A lightweight init process that manages the kexec lifecycle. > It mounts necessary filesystems, determines the current execution > stage (1 or 2) via the kernel command line, and handles the > kexec_file_load() sequence to transition between kernels. > > luo_test.sh: > The primary KTAP-compliant test driver. It handles: > - Kernel configuration merging and building. > - Cross-compilation detection for x86_64 and arm64. > - Generation of the initrd containing the test binary and init. > - QEMU execution with automatic accelerator detection (KVM, HVF, > or TCG). > > run.sh: > A wrapper script to discover and execute all `luo_*.c` > tests across supported architectures, providing a summary of > pass/fail/skip results. > > Signed-off-by: Pasha Tatashin I think you also need Co-developed-by: Jordan Richards > Signed-off-by: Jordan Richards With nolibc fixes Thomas requested: Reviewed-by: Mike Rapoport (Microsoft) -- Sincerely yours, Mike.