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=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 8266DC432C0 for ; Thu, 21 Nov 2019 10:32:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5730020872 for ; Thu, 21 Nov 2019 10:32:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="f1zvNif8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726716AbfKUKcb (ORCPT ); Thu, 21 Nov 2019 05:32:31 -0500 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:38277 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726722AbfKUKca (ORCPT ); Thu, 21 Nov 2019 05:32:30 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1574332350; 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=U2LDZt6nZQHHH1FrYL2g9MKCC3YAvWLT/E1GHIFcizM=; b=f1zvNif8aQbpLg1f80n+vZpgi33T2Sov99RhNT9HjZn34AQJ00NqWCZsM6jt2DtydZRu4Y aKAt6ngKJV/9LO34I2CuE56E9p2KfeV7YVkE1MDqqaW0SS/qDED0+z3tNWUFxXXaMsaV5i z2XFlH5R2EWbJIlIYT+rL0pLjk4aeLM= 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-381-2uxADx0wPsCPRCPifNQuLQ-1; Thu, 21 Nov 2019 05:32:24 -0500 Received: by mail-wr1-f71.google.com with SMTP id k15so1794633wrp.22 for ; Thu, 21 Nov 2019 02:32:24 -0800 (PST) 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=RCefIYme6aC+9QN5HQO2IUHc5f9eX+/leRuEDcD7AXs=; b=DBGQE65OWBu9FsaR4qk/676Jb/RmOszMwWa0qi+eqYZwquoG1VBElMMi0JqpDN/1kf QJeUw8QZjIHEtpPMpMe/zug2LsBiIT0TDvelP5Yk662q1IZJjjA+BKu04Uhkmjx/0e9t zZk9d0gkm7CgHi9D/RahGACnaFZpztNzLeXFSVbonVWN7pbsydQfhE3B6Ricdlco0YQF UabLOOdWlL5zOmG5uFgsYm8vQUxEvdQI9Ic75DsjVSHjdqoT9oTv6P/RBLqgQ8x0bt8m ZWsS6yaIMvGH3xYg0vwbbfb/40NFdDIWqn/80qHMoZb0h8lRN8HMmFrNWOM7PcBBGYaQ +nZQ== X-Gm-Message-State: APjAAAXgwGXmx6e6mnSXpNb8xaps7/wh2QVZeuzzJKQDptcmWn1tuUOa DNVJArQKqaO8nmhhFDrlyWLaYz2SO3AwgBXWdIJzaxgfLaIDAru5+hlF5OMOxOE6X6FlzTNGvAz q0gbG5A54tqa7aH/dIbOFman5 X-Received: by 2002:a1c:e915:: with SMTP id q21mr9238796wmc.164.1574332343498; Thu, 21 Nov 2019 02:32:23 -0800 (PST) X-Google-Smtp-Source: APXvYqzvXDq5rFnE9rr8q7oymU/5CiGqw7gSv8pDuc8DAo5L5cbB5Pc0QJ+smg7kQvVgP8C6NIlFSg== X-Received: by 2002:a1c:e915:: with SMTP id q21mr9238755wmc.164.1574332343227; Thu, 21 Nov 2019 02:32:23 -0800 (PST) Received: from ?IPv6:2001:b07:6468:f312:71a5:6e:f854:d744? ([2001:b07:6468:f312:71a5:6e:f854:d744]) by smtp.gmail.com with ESMTPSA id g74sm2153099wme.5.2019.11.21.02.32.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 Nov 2019 02:32:22 -0800 (PST) Subject: Re: [PATCH v7 6/9] vmx: spp: Set up SPP paging table at vmentry/vmexit To: Yang Weijiang , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, jmattson@google.com, sean.j.christopherson@intel.com Cc: yu.c.zhang@linux.intel.com, alazar@bitdefender.com, edwin.zhai@intel.com References: <20191119084949.15471-1-weijiang.yang@intel.com> <20191119084949.15471-7-weijiang.yang@intel.com> From: Paolo Bonzini Message-ID: Date: Thu, 21 Nov 2019 11:32:22 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <20191119084949.15471-7-weijiang.yang@intel.com> Content-Language: en-US X-MC-Unique: 2uxADx0wPsCPRCPifNQuLQ-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19/11/19 09:49, Yang Weijiang wrote: > @@ -5400,6 +5434,10 @@ int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_= t cr2, u64 error_code, > =09=09r =3D vcpu->arch.mmu->page_fault(vcpu, cr2, > =09=09=09=09=09 lower_32_bits(error_code), > =09=09=09=09=09 false); > + > +=09=09if (vcpu->run->exit_reason =3D=3D KVM_EXIT_SPP) > +=09=09=09return 0; > + Instead of this, please add a RET_PF_USERSPACE case to the RET_PF_* enum in mmu.c. Paolo