From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 9E84026A0A7 for ; Mon, 26 Jan 2026 10:45:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769424349; cv=none; b=X/BdDmItTe2A/cE+C6iXw6IiTCOWSqFr5FJwm1lN1f3gLuSl9ODAzWhLqiyWf3ztjktz8U9QhibS/TnVyAznWoiUqZKiPl/rwOEiZ0nJTcO0Libfs8zjW9QeZPHcyePTYO7DsOv4vsvTH3/x6DDrEB/uqVGdQsqJuhUqs7jx6WM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769424349; c=relaxed/simple; bh=NLluv3uZAtFy7uD8JF6lFboLzjVZu7CJHIjlKE0Oe7w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=tX4SVVo8RIPyVg1nQhOnL4umQelGtrucCCdYuLe+ew06rWnyVf/5Cbh6OklIZy7erFaSOaRSTO4yhXtbtRWA7gDqe/0vF7l2aAxsawA16OHImdUjmBrcVIqRt2qPC+IQqhito/wMop7zDIZ+dkerbfdzosVqprdJPn0UotFOe50= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=hzoF6evC; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="hzoF6evC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769424348; x=1800960348; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=NLluv3uZAtFy7uD8JF6lFboLzjVZu7CJHIjlKE0Oe7w=; b=hzoF6evCpNYmU+4rez+enJM+AB7UdmmQ5ysWv5Zxcxl691qkJYfhtFUn siYA86yuHYywo9jZjABCD3Qoyms7L9JNXBygCO14fxyULfWhOFvK/nPFX 1uGV3D+iF71Z7O7njvvis+/Y5a9E/O8r/ZBuEd4REgv2D8U5jxQZ0z1w7 i6YVTQAbDPfraeyPwap3cuTMgBWHIL0VoFuTdMNqmUBKLQGR3Habikyx7 lfTXH4Yz17/e/ii0LQ5nsQ4iUs2arUI1os3rp4Nj87pty/EGPIEM/jeUe xeTTVSQrq6iAq/AHomTrd1pKCeMXdBWdJaVOFarRRhSl6cYNNsBE9qGwJ g==; X-CSE-ConnectionGUID: xvEjou7cRfOW96A1OWn8gA== X-CSE-MsgGUID: KDMIIDqLSBq7Tn6SkIoeYQ== X-IronPort-AV: E=McAfee;i="6800,10657,11682"; a="80899302" X-IronPort-AV: E=Sophos;i="6.21,255,1763452800"; d="scan'208";a="80899302" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 02:45:48 -0800 X-CSE-ConnectionGUID: hd05m5CTQR213xiU5Ky7hQ== X-CSE-MsgGUID: 0s2t4TLPTWSRlrIJ+gKa+g== X-ExtLoop1: 1 Received: from krybak-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.246.55]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 02:45:40 -0800 Date: Mon, 26 Jan 2026 12:45:37 +0200 From: Tony Lindgren To: Chao Gao Cc: linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, x86@kernel.org, reinette.chatre@intel.com, ira.weiny@intel.com, kai.huang@intel.com, dan.j.williams@intel.com, yilun.xu@linux.intel.com, sagis@google.com, vannapurve@google.com, paulmck@kernel.org, nik.borisov@suse.com, zhenzhong.duan@intel.com, seanjc@google.com, rick.p.edgecombe@intel.com, kas@kernel.org, dave.hansen@linux.intel.com, vishal.l.verma@intel.com, Farrah Chen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H. Peter Anvin" Subject: Re: [PATCH v3 18/26] x86/virt/seamldr: Log TDX Module update failures Message-ID: References: <20260123145645.90444-1-chao.gao@intel.com> <20260123145645.90444-19-chao.gao@intel.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260123145645.90444-19-chao.gao@intel.com> On Fri, Jan 23, 2026 at 06:55:26AM -0800, Chao Gao wrote: > If failures occur after the TDX Module has been successfully shut down, > they are unrecoverable. The kernel cannot restore the previous TDX > Module to a running state. All subsequent SEAMCALLs to the TDX Module > will fail, so TDs cannot continue to run. > > Log a message to clarify that SEAMCALL errors are expected in this case. Reviewed-by: Tony Lindgren