From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f201.google.com (mail-pf1-f201.google.com [209.85.210.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F8C2156875 for ; Mon, 19 Aug 2024 21:21:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724102519; cv=none; b=SrrFDGOztzYnzAiyv6Yy9S3NNj4hWaWMGAvdtKeiN2sGfXUIKgGXlH0+3mZu4rjUda8eq9LYv+n2P6yNsFWw7Ob74w+t4MoMxa9yqXMh03lposbYt6Q/MtrvHZ08En/1yhUzeW4/zs/1+SMd2qQRJgrNwu9JTjJ9gBGR17x4Tm0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724102519; c=relaxed/simple; bh=5XKIBNoaG4R5JVVTQc64zLa+V2lj3W+kGuH32KY6HMc=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=pChNY+r3KMO1qiKes5+RFX43rOV8Y70lUzgMoki3p6D4tvWr/YgcF/lvsvQrxkE9UJsRNXWPZz/P5dBkybSnkmuzSJIFxs9KLq7L4OIVBHj3KSU5ArNqN5W93yoskrSPqpVeMY+5/WA2rG5lJB+/TMOYaSH2ihwZvVX3JLfHBOQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--sagis.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=1VW3GOw1; arc=none smtp.client-ip=209.85.210.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--sagis.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="1VW3GOw1" Received: by mail-pf1-f201.google.com with SMTP id d2e1a72fcca58-713d24cf706so2543781b3a.1 for ; Mon, 19 Aug 2024 14:21:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1724102517; x=1724707317; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=X4AzAZMJmHJCWkRdPSVGGUxyNqPy5aJjO1/T0EVTixE=; b=1VW3GOw1fuVWj/kdhTm17panesC/AqFC+RfP9Y2iTAO+Jhe+ywMdD5B8/++1vDdmsG LQlYLzXtz+mhzlixJWrIcLhkkODuz8so8nZcCvVOANuIKc4JwAo85JjbRfpIeK0grHyJ Bem8lJ0JFCDDev6D0dizeYCS5bBNazqLNgrpu6rc5JTkJ6WUfNap2qXsKF997nnNtDIL nUVpFXnUJiIVwCFTJROEuv9Pt1HL99d4vqanVFRJmU4LM8XqbDRv137njHBZ03TfkH0G Fj2BS20EqigP+qz5h0OF5Xq0+IMi18Dm7weXWUZ/X/vOhadl1qYrDYHAk3kC9rlIQiTW DJpA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724102517; x=1724707317; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=X4AzAZMJmHJCWkRdPSVGGUxyNqPy5aJjO1/T0EVTixE=; b=Yc1uZDeQFgOEcwb2VDlkLfn5rsom+Z/MiQTCvdBRlAHjDx3GSjFktRTKT4K5XYi/VH sAKlphfBjIeeN1mI+uDmIUykBlZ1xverbaQOx9G1BSBTawcx7JkQdjpu+886zZRe2H4a RAUcRJn8CyLOWMUB0hu0pkgTyHzAOAFSUVo8wcpukGAq9x2RzyuyiD55mIJ/7EYTH7gk 6NZ0CMl1UmK6NOeg6890ROHqO9XdgOrlcLdbv1rqnnqfoGSef8U5QOksSZj95KOR/+0e 9zA87pjzneDHkn21edc5IqxrkbkPqUHouMxzqH8p7HAg4sLs5RD5QGVlBQyy6Hyg4z37 Wotg== X-Forwarded-Encrypted: i=1; AJvYcCVcvNBi3ApvIpunMTd9/KTAdVuICDr+F99LIpOtWlsNWaFJpoOJlAgVk/yeDL7WLzILH2nsegmfnpRk0qs=@vger.kernel.org X-Gm-Message-State: AOJu0YxuNq+F0zyvaAQU6yJ/KEQHXAccPahOXkf/aCbnxjVjx5p2U4xS nDiSg3y7SeCqNYf/PY2r927nlFuEmqmCpSTXk0vj2UE/dE3afG8RpARhREBZ8amJZSEqvj3MkQ= = X-Google-Smtp-Source: AGHT+IHVdZFJbhx0ZZIsFNXobSIO4TDW/chKSpNdRLkFdDPdp1nSBt5a9MdtoiNts0g4nXqy25ngtfrULg== X-Received: from sagi.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:241b]) (user=sagis job=sendgmr) by 2002:a05:6a00:91d3:b0:710:4d94:f9aa with SMTP id d2e1a72fcca58-713c52bf136mr49398b3a.6.1724102517459; Mon, 19 Aug 2024 14:21:57 -0700 (PDT) Date: Mon, 19 Aug 2024 14:21:56 -0700 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: X-Mailer: git-send-email 2.46.0.184.g6999bdac58-goog Message-ID: <20240819212156.166703-1-sagis@google.com> Subject: [PATCH v5 0/5] TDX host: kexec() support From: Sagi Shahar To: kai.huang@intel.com Cc: bp@alien8.de, dave.hansen@intel.com, hpa@zytor.com, kirill.shutemov@linux.intel.com, linux-kernel@vger.kernel.org, luto@kernel.org, mingo@redhat.com, pbonzini@redhat.com, peterz@infradead.org, seanjc@google.com, tglx@linutronix.de, thomas.lendacky@amd.com, x86@kernel.org Content-Type: text/plain; charset="UTF-8" > Currently kexec() support and TDX host are muturally exclusive in the > Kconfig. This series adds the TDX host kexec support so that they can > work together and can be enabled at the same time in the Kconfig. I tried testing the kexec functionality and noticed that the TDX module fails initialization on the second kernel so you can't actually kexec between 2 kernels that enable TDX. Is that the expected behavior? Are there future patches to enable that functionality?