From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C1F6625B662; Sun, 8 Feb 2026 18:27:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770575256; cv=none; b=aaqUFN3pbavtFshUMQ+9F0+L/qqRLHWJTVVa8c/+mUBSsZDLhnei3pn/fTLXzNUCHG9eAyowDJIT25VIRx+w3xy4aua0Wh/y5AuwYic5PcEESVNb40V/p8LzfrDMUnB18lUz7TW5siJJjsVzdjqsUm77bLeu7g+fLR86Q8mUi5I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770575256; c=relaxed/simple; bh=W3IffCLBrBgEf2FYeJ7rhswTjUr6OfyY2Wh/al7U8XI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hhnCiJc/2EbfARgcLJYKxXP/qEdt31ZDALMW6dPlcJj5nT0UwlF5SIXySHWza0SGJnK9G73gj1IdOEzByZxxh+QXvw8kOnZ5/2Vdo5tO5bSp5EFPoArmpi1gVBPCgLCduwUp+aKaYVqbGoTJKaD/vcL69ZtFX+W3ViLZUYcVU4I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XWAOIIyB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XWAOIIyB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 400F3C4CEF7; Sun, 8 Feb 2026 18:27:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770575256; bh=W3IffCLBrBgEf2FYeJ7rhswTjUr6OfyY2Wh/al7U8XI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; 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> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260205222329.2419035-3-jordanrichards@google.com> 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.