From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 2DCBB6FC2; Wed, 28 Feb 2024 02:09:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709086159; cv=none; b=KLvMHpFPBVspRa2fliaUZoC7mcb9PzPyeyiKIiI1z5dddpSA/CSWMxxCm2deWHgl4Euvg9iVy33Z6jd2i4FkdQxcNGSDr/bVqq6c/mzbtkp54804KFguOui8V6OOAcies/XeoBVbj53W09GODhaVy9SmeUi33npKhqRMX38hQ8Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709086159; c=relaxed/simple; bh=0DQmT55dUdZ8tiOQrwKl5y2K39m88JTMIB8bGRpyc04=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=XNgmss0VONYSeTMxVE5c/5l6G3buSML1HesQxHMXSfUna50Glqer+QL18H7mn63GSiC7pVkmSq0zZL85yGpjC8xOHcCu/g6ahiL2mO+sIvubHd9hvaE0LESBK1tNtTbSAjKpukkYZznfuqxuTtdmrmd/jY4d+9zTRkLlFJQACbM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Uiqoy951; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Uiqoy951" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1709086158; x=1740622158; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=0DQmT55dUdZ8tiOQrwKl5y2K39m88JTMIB8bGRpyc04=; b=Uiqoy951XWsU+/DDFxqx9qkPNJAlw9kPJVTpPEnTBfQeExAMNihTc1NS +YbsbVyi4jIXUL3KFV3/EJe1WCaIpyY7H4iEqPe8mNaCV8GNEmzLROCtI xdBZkGOc5nTfD1/QEugdkcHnHhnz2auIjem8aTWTsvL4OOghK7vsTbI3m 85gh68nkRzPkJ5BhQ8nFjOhWxdxum2keDXuslysKNpbdTmuHUFkqwiMh7 sTmT7G2Dh1TYGEu/fTV2V3ucuDmWYOcp30q/RuEjKuKwpXbXwLMZHg4WE +ckPR4ud6W9qKqKh47z6v6Rm5oiN219uQc/3nic5Fj6F37bgnHnexqXi9 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10996"; a="20918577" X-IronPort-AV: E=Sophos;i="6.06,189,1705392000"; d="scan'208";a="20918577" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 18:09:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.06,189,1705392000"; d="scan'208";a="7623520" Received: from xiaoyaol-hp-g830.ccr.corp.intel.com (HELO [10.125.243.127]) ([10.125.243.127]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2024 18:09:14 -0800 Message-ID: <32d54391-c29b-440d-a90a-ed39d6795fd9@intel.com> Date: Wed, 28 Feb 2024 10:09:12 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 01/21] KVM: x86: Split core of hypercall emulation to helper function Content-Language: en-US To: Paolo Bonzini , linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: seanjc@google.com, michael.roth@amd.com, isaku.yamahata@intel.com, thomas.lendacky@amd.com References: <20240227232100.478238-1-pbonzini@redhat.com> <20240227232100.478238-2-pbonzini@redhat.com> From: Xiaoyao Li In-Reply-To: <20240227232100.478238-2-pbonzini@redhat.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2/28/2024 7:20 AM, Paolo Bonzini wrote: > From: Sean Christopherson > > By necessity, TDX will use a different register ABI for hypercalls. > Break out the core functionality so that it may be reused for TDX. > > Signed-off-by: Sean Christopherson > Signed-off-by: Isaku Yamahata > Message-Id: <5134caa55ac3dec33fb2addb5545b52b3b52db02.1705965635.git.isaku.yamahata@intel.com> > Signed-off-by: Paolo Bonzini Reviewed-by: Xiaoyao Li