From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 64D1413D8A7 for ; Fri, 17 May 2024 16:54:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715964864; cv=none; b=r9ddb7EoC5v7PewuGmbMJ85TYcb5kdzgqmxVSqm3TsFWSr7DQWMruaGB7ox4uL3Yvg5WkBytpq/fh67rj30MBxM1VBSFFYfqqakxgbQyMpoYPsXsV5Zt9MVEdRdWwmKjONWAxkVCtMZos/saooOaLmfJOMKKZzmuYlm1MRoZSbQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715964864; c=relaxed/simple; bh=YoPUOJ5vAGXPmQOgRbq370zFkqkHGyujhuWx2V7WA/M=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=M1pHgWyPMJTtMP0l1dwAQVvOLbhWOLwQiyP14ov7FtciWh50C3X2Uv0PBK39ucho6AagRzF4O+arKpOoXuVF1agu0LCtzkoN5W8i9imO7YbrhGp6PSQ1sTAs5WMKcoqAIp9tu0AT294lr96SRL5GIMKcoWcn/OPD5cfqDkPG+98= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=XiDOD0pv; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XiDOD0pv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1715964862; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=GF1WBPKZvZgqchSylvUIsk3qQvjijLvE4tqcy73C8QE=; b=XiDOD0pvTxINF7kEDpN4akaTpKTJk+SjNMgN6adu3W+ZjqjfJiULqvs8pNyIg9MC089BnE V2b6Yn8rXQUE2b9R1mLx9vBcp/tvBdKJeRH+3oY8Wwxe8nw0Mby/zoE0sRnJroDMfR0wRc zrfMBwI/F4uMpCZ8M9am/fmjobvcJaI= Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-438-f_1IUpaDM7yQ9rqY9jg4rA-1; Fri, 17 May 2024 12:54:20 -0400 X-MC-Unique: f_1IUpaDM7yQ9rqY9jg4rA-1 Received: by mail-ed1-f72.google.com with SMTP id 4fb4d7f45d1cf-574f70ca409so2595304a12.1 for ; Fri, 17 May 2024 09:54:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715964859; x=1716569659; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :from:references:cc:to:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=GF1WBPKZvZgqchSylvUIsk3qQvjijLvE4tqcy73C8QE=; b=rFdaFXwodZISZXkuSXFGq4CytsTI+s5uNeEXtdvgpEMg5CpJywLxV8JZmyoGBbcspP lVPugnUJhmFFROPz5IedhBA6UOdT58J/GXOfFZ7FOxpPVHQkHTPwVp8LaDRtcuwPvlZ1 TsjWsXCIeOvqp8U67cuC38tRJQrrehN4qOL27nAiJzRv/FtE67sucSjrHym0R3pGPQEf 1FGhQAyjYpwBB0MV05a+/FQUTwNvbXZq6SLin0UEqweodGY/3P1JATxu3M6+gytOpF6l DQeHJCnMs+n+8EC09uAXPpGJExW6+9GvJG6eFu3noV44m4y0jHeBsps2TzYCFvIzUQzI PM4g== X-Gm-Message-State: AOJu0YyGZrzk132L/R6iuJAS21BeMQzNYN9sUA2oli2d1LlIlkJkONSf dMyHzcusUFZFgd2KFvKXhu4c8QaLnBja/7vad6jCmmJ0n5sv6prHRiocvQ3axV3NHWUlkYiKeq8 SNVkCM/EWa2UP1SQxQDe9OU6qRobJt/bo0q23CeF4PBf3we/6200NAv8JNYo= X-Received: by 2002:a50:d6d9:0:b0:572:9c4c:2503 with SMTP id 4fb4d7f45d1cf-5734d70378fmr15180740a12.38.1715964859813; Fri, 17 May 2024 09:54:19 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFU0KHnfopom3+D9iocqjRaYCyCisJHBNEFmDCyMf2L36ipxsnLxIuqinUuhzU12BxKwaZYFA== X-Received: by 2002:a50:d6d9:0:b0:572:9c4c:2503 with SMTP id 4fb4d7f45d1cf-5734d70378fmr15180720a12.38.1715964859422; Fri, 17 May 2024 09:54:19 -0700 (PDT) Received: from [192.168.10.81] ([151.95.155.52]) by smtp.googlemail.com with ESMTPSA id 4fb4d7f45d1cf-5750d24c8c1sm2249663a12.72.2024.05.17.09.54.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 17 May 2024 09:54:17 -0700 (PDT) Message-ID: <58b02adc-7389-4fcd-a443-1856af7886b7@redhat.com> Date: Fri, 17 May 2024 18:54:15 +0200 Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/20] x86/tdx: Add macros to generate TDVMCALL wrappers To: "Kirill A. Shutemov" , Sean Christopherson , Dave Hansen , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Josh Poimboeuf , Peter Zijlstra Cc: linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org References: <20240517141938.4177174-1-kirill.shutemov@linux.intel.com> <20240517141938.4177174-3-kirill.shutemov@linux.intel.com> From: Paolo Bonzini Autocrypt: addr=pbonzini@redhat.com; keydata= xsEhBFRCcBIBDqDGsz4K0zZun3jh+U6Z9wNGLKQ0kSFyjN38gMqU1SfP+TUNQepFHb/Gc0E2 CxXPkIBTvYY+ZPkoTh5xF9oS1jqI8iRLzouzF8yXs3QjQIZ2SfuCxSVwlV65jotcjD2FTN04 hVopm9llFijNZpVIOGUTqzM4U55sdsCcZUluWM6x4HSOdw5F5Utxfp1wOjD/v92Lrax0hjiX DResHSt48q+8FrZzY+AUbkUS+Jm34qjswdrgsC5uxeVcLkBgWLmov2kMaMROT0YmFY6A3m1S P/kXmHDXxhe23gKb3dgwxUTpENDBGcfEzrzilWueOeUWiOcWuFOed/C3SyijBx3Av/lbCsHU Vx6pMycNTdzU1BuAroB+Y3mNEuW56Yd44jlInzG2UOwt9XjjdKkJZ1g0P9dwptwLEgTEd3Fo UdhAQyRXGYO8oROiuh+RZ1lXp6AQ4ZjoyH8WLfTLf5g1EKCTc4C1sy1vQSdzIRu3rBIjAvnC tGZADei1IExLqB3uzXKzZ1BZ+Z8hnt2og9hb7H0y8diYfEk2w3R7wEr+Ehk5NQsT2MPI2QBd wEv1/Aj1DgUHZAHzG1QN9S8wNWQ6K9DqHZTBnI1hUlkp22zCSHK/6FwUCuYp1zcAEQEAAc0j UGFvbG8gQm9uemluaSA8cGJvbnppbmlAcmVkaGF0LmNvbT7CwU0EEwECACMFAlRCcBICGwMH CwkIBwMCAQYVCAIJCgsEFgIDAQIeAQIXgAAKCRB+FRAMzTZpsbceDp9IIN6BIA0Ol7MoB15E 11kRz/ewzryFY54tQlMnd4xxfH8MTQ/mm9I482YoSwPMdcWFAKnUX6Yo30tbLiNB8hzaHeRj jx12K+ptqYbg+cevgOtbLAlL9kNgLLcsGqC2829jBCUTVeMSZDrzS97ole/YEez2qFpPnTV0 VrRWClWVfYh+JfzpXmgyhbkuwUxNFk421s4Ajp3d8nPPFUGgBG5HOxzkAm7xb1cjAuJ+oi/K CHfkuN+fLZl/u3E/fw7vvOESApLU5o0icVXeakfSz0LsygEnekDbxPnE5af/9FEkXJD5EoYG SEahaEtgNrR4qsyxyAGYgZlS70vkSSYJ+iT2rrwEiDlo31MzRo6Ba2FfHBSJ7lcYdPT7bbk9 AO3hlNMhNdUhoQv7M5HsnqZ6unvSHOKmReNaS9egAGdRN0/GPDWr9wroyJ65ZNQsHl9nXBqE AukZNr5oJO5vxrYiAuuTSd6UI/xFkjtkzltG3mw5ao2bBpk/V/YuePrJsnPFHG7NhizrxttB nTuOSCMo45pfHQ+XYd5K1+Cv/NzZFNWscm5htJ0HznY+oOsZvHTyGz3v91pn51dkRYN0otqr bQ4tlFFuVjArBZcapSIe6NV8C4cEiSTOwE0EVEJx7gEIAMeHcVzuv2bp9HlWDp6+RkZe+vtl KwAHplb/WH59j2wyG8V6i33+6MlSSJMOFnYUCCL77bucx9uImI5nX24PIlqT+zasVEEVGSRF m8dgkcJDB7Tps0IkNrUi4yof3B3shR+vMY3i3Ip0e41zKx0CvlAhMOo6otaHmcxr35sWq1Jk tLkbn3wG+fPQCVudJJECvVQ//UAthSSEklA50QtD2sBkmQ14ZryEyTHQ+E42K3j2IUmOLriF dNr9NvE1QGmGyIcbw2NIVEBOK/GWxkS5+dmxM2iD4Jdaf2nSn3jlHjEXoPwpMs0KZsgdU0pP JQzMUMwmB1wM8JxovFlPYrhNT9MAEQEAAcLBMwQYAQIACQUCVEJx7gIbDAAKCRB+FRAMzTZp sadRDqCctLmYICZu4GSnie4lKXl+HqlLanpVMOoFNnWs9oRP47MbE2wv8OaYh5pNR9VVgyhD OG0AU7oidG36OeUlrFDTfnPYYSF/mPCxHttosyt8O5kabxnIPv2URuAxDByz+iVbL+RjKaGM GDph56ZTswlx75nZVtIukqzLAQ5fa8OALSGum0cFi4ptZUOhDNz1onz61klD6z3MODi0sBZN Aj6guB2L/+2ZwElZEeRBERRd/uommlYuToAXfNRdUwrwl9gRMiA0WSyTb190zneRRDfpSK5d usXnM/O+kr3Dm+Ui+UioPf6wgbn3T0o6I5BhVhs4h4hWmIW7iNhPjX1iybXfmb1gAFfjtHfL xRUr64svXpyfJMScIQtBAm0ihWPltXkyITA92ngCmPdHa6M1hMh4RDX+Jf1fiWubzp1voAg0 JBrdmNZSQDz0iKmSrx8xkoXYfA3bgtFN8WJH2xgFL28XnqY4M6dLhJwV3z08tPSRqYFm4NMP dRsn0/7oymhneL8RthIvjDDQ5ktUjMe8LtHr70OZE/TT88qvEdhiIVUogHdo4qBrk41+gGQh b906Dudw5YhTJFU3nC6bbF2nrLlB4C/XSiH76ZvqzV0Z/cAMBo5NF/w= In-Reply-To: <20240517141938.4177174-3-kirill.shutemov@linux.intel.com> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 5/17/24 16:19, Kirill A. Shutemov wrote: > Introduce a set of macros that allow to generate wrappers for TDVMCALL > leafs. The macros uses tdvmcall_trmapoline() and provides SYSV-complaint > ABI on top of it. Not really SYSV-compliant, more like "The macros use asm() to call tdvmcall_trampoline with its custom parameter passing convention". Paolo