From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4FEFC4363D for ; Tue, 22 Sep 2020 13:33:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D97220936 for ; Tue, 22 Sep 2020 13:33:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="QaigIpfz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726648AbgIVNdF (ORCPT ); Tue, 22 Sep 2020 09:33:05 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:43792 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726567AbgIVNdF (ORCPT ); Tue, 22 Sep 2020 09:33:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600781584; 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; bh=933GUut1+TrG+98/jn2IqlWr/ZWUBB9JCfd+Na9nkPQ=; b=QaigIpfz5RiD41/Ua4PY7wOw49+4kWerrNzzD4HtH0nFXKywVgre02Rhnnc5A87VaceAmu d3ozZHT5berQx0wz62aaLhiz7Pb7Fm3ZiKx8iESeTxU7VYC+rDmFdNfe/WyFeykGxt8zVo mbt/JLiEF7Dzs1p7Zm2mVxLAhthUXVk= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-517-IzHgIZIiOv2I2eMRl21xzg-1; Tue, 22 Sep 2020 09:33:01 -0400 X-MC-Unique: IzHgIZIiOv2I2eMRl21xzg-1 Received: by mail-wr1-f71.google.com with SMTP id i10so7405852wrq.5 for ; Tue, 22 Sep 2020 06:33:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=933GUut1+TrG+98/jn2IqlWr/ZWUBB9JCfd+Na9nkPQ=; b=AlaajIS2d3STjsWzRjWMqeHu8MxzcGREpPqYaabcP29x1x4cwu4G0Fudfx9s4dAqhx 21v9SF8niEazZpx1MpA9CRUpBC3IC5ppNVfEeu2/iZ5xXzzVFNQNNenayvX8ivZoB7Q/ cx7uOFLL83WOazniEjn/b+boXfme+o6FVp0T86HYupQ72UAMbUm++wmpfKk8fLhN4X0M SjG/FoXzntJ2iFMejkdyqq+GhQo+FPYCzaSGPNQ5j+6f5ga3JKyBGDCWtnwwuvpAR03D MmoQ1dKOdPaew+d2SYNtKkoqRcuHDZaJb68TUweNgKthdRbxznpQcNmFZaGi65xtS49A YgFw== X-Gm-Message-State: AOAM533wkcCAt5e0CKqjHcvRzqauUhd6oQsJIMYhGGhjJbMSquCmKKjf UbgkV1DS29ycfzGkcmnKjAPX0cFxEtb5ig/qTxLTWLYH/BMjtsFiU1eIaG6bQcOLKRfyYcnD+AA l6pqt74SCj1QE X-Received: by 2002:a5d:5106:: with SMTP id s6mr5808354wrt.166.1600781580059; Tue, 22 Sep 2020 06:33:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwhjD+M3txWbWvPufHyfaxAIQR1dLZEoDT5w6krghxxjTl8xkF6rqKB2PaudLoHX0rILkQicg== X-Received: by 2002:a5d:5106:: with SMTP id s6mr5808331wrt.166.1600781579824; Tue, 22 Sep 2020 06:32:59 -0700 (PDT) Received: from ?IPv6:2001:b07:6468:f312:ec2c:90a9:1236:ebc6? ([2001:b07:6468:f312:ec2c:90a9:1236:ebc6]) by smtp.gmail.com with ESMTPSA id p9sm4444362wma.42.2020.09.22.06.32.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Sep 2020 06:32:59 -0700 (PDT) Subject: Re: [PATCH] KVM: x86: Add kvm_x86_ops hook to short circuit emulation To: Sean Christopherson , Wanpeng Li Cc: Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm , LKML , Tom Lendacky References: <20200915232702.15945-1-sean.j.christopherson@intel.com> <20200916173416.GF10227@sjchrist-ice> From: Paolo Bonzini Message-ID: <2cacbe0d-703b-cb06-ac5b-96841f145b95@redhat.com> Date: Tue, 22 Sep 2020 15:32:58 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200916173416.GF10227@sjchrist-ice> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 16/09/20 19:34, Sean Christopherson wrote: > > The intent of posting the patch standalone is so that SGX, SEV-ES, and/or TDX > have "ready to go" support in upstream, i.e. can change only the VMX/SVM > implementation of is_emulated(). I'm a-ok dropping the handle_ud() change, > or even the whole patch, until one of the above three is actually ready for > inclusion. I think it's fine with the "can" in the name. Hopefully one of the three will go in soon... Paolo