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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 78E8DECAAA1 for ; Fri, 28 Oct 2022 00:31:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235252AbiJ1Abd (ORCPT ); Thu, 27 Oct 2022 20:31:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235086AbiJ1Abc (ORCPT ); Thu, 27 Oct 2022 20:31:32 -0400 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49FB67A522 for ; Thu, 27 Oct 2022 17:31:31 -0700 (PDT) Received: by mail-pj1-x1033.google.com with SMTP id d13-20020a17090a3b0d00b00213519dfe4aso3107012pjc.2 for ; Thu, 27 Oct 2022 17:31:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=IuaazBA4+tuocqtu1Fkv5f0PH2eBHuEAovkINOjohoY=; b=DfA7zjsWWw1SoI1x9xbvWl7l52LbGyRRZ2PDLf+qLUuvsq0cBsgtI6AjJLWb8V3mtS 97whlfyy653IZ+L7s5JJVb659IxGoED5S+Q7FvU7im/Ij2JUXirL4MlaNO87qhGvPTeG 819uLuxsjBJ200wY0Dic1CyAXsu2QCvQkss3DuHSPjW17iiPx1G4vlCQ+fPB4hePqk4A d++2WZjPJQY1uLtwHdmUTFwpn52Q5QRthRtC9eQoP2hEjYiu9CCeR+4mWBrg3mI0dUfq F5k4GAw2YenmwwgmSEx7BQTEA+8tYZvLFaKdSCumbefNbeU5nfJofA+NUOSRAwj2hh+y YoBw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=IuaazBA4+tuocqtu1Fkv5f0PH2eBHuEAovkINOjohoY=; b=jWb68h6QimyLt3tcPjK+KgU59roGBuf+8GQGVIwjtZhLm60DVRofl6UmC/RFMuAJ8c bkLk2QqGePGXuNEtHiSUnBolhA0k5TPvzsD5rl0mBHeDzPAC5+Lr9DJ7nN/gQqBdjEq3 OP/6UYWx0wr9JxZ4bax+k23Yk5WtsLNbgYdLqRe1UUEYgzsk0lPrsLILRv56+cQx5pDv 7DoXAtyJqFOuOdE94aE0vkvTyE4qoJg3MXx9cw8lMFoAaD7sRcC+JNGtZxpaRUDYXrwv Stp8zkZ0idlYNl646JMuz7m/6c07nw1oMbJ1IN/v4V6EVt+t0jAe+z+EIFCmfBqxTeZ6 fjlQ== X-Gm-Message-State: ACrzQf1wAA0fNrgurTg5J0QMyfnQFGF5C7T45iYRIbwAmkFsgoqNzRcx CBA0uuoSyxRD30gx7KReftNL2ogp98Gn/w== X-Google-Smtp-Source: AMsMyM5ncwGWjV1rnizHLTOCp/6aO5VRl2eVdP3bFhoArl0VWjVJrFa8QRDEFYq4tRwcpVk3z1abUw== X-Received: by 2002:a17:902:edcd:b0:17a:6fa:228d with SMTP id q13-20020a170902edcd00b0017a06fa228dmr51993090plk.29.1666917090677; Thu, 27 Oct 2022 17:31:30 -0700 (PDT) Received: from google.com (7.104.168.34.bc.googleusercontent.com. [34.168.104.7]) by smtp.gmail.com with ESMTPSA id a9-20020a170902ecc900b00186f1a1fb6csm1173714plh.175.2022.10.27.17.31.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 27 Oct 2022 17:31:30 -0700 (PDT) Date: Fri, 28 Oct 2022 00:31:27 +0000 From: Sean Christopherson To: David Matlack Cc: Paolo Bonzini , Jim Mattson , Peter Xu , Colton Lewis , Aaron Lewis , kvm@vger.kernel.org Subject: Re: [PATCH v2 7/8] KVM: selftests: Expect #PF(RSVD) when TDP is disabled Message-ID: References: <20221018214612.3445074-1-dmatlack@google.com> <20221018214612.3445074-8-dmatlack@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221018214612.3445074-8-dmatlack@google.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, Oct 18, 2022, David Matlack wrote: > @@ -50,6 +73,9 @@ int main(int argc, char *argv[]) > TEST_REQUIRE(kvm_has_cap(KVM_CAP_SMALLER_MAXPHYADDR)); > > vm = vm_create_with_one_vcpu(&vcpu, guest_code); > + vm_init_descriptor_tables(vm); > + vcpu_init_descriptor_tables(vcpu); > + vm_install_exception_handler(vm, PF_VECTOR, guest_page_fault_handler); Instead of installing an exception handler, u8 vector = kvm_asm_safe(KVM_ASM_SAFE(FLDS_MEM_EAX), "a"(MEM_REGION_GVA)); then the guest/test can provide more precise information if a #PF doesn't occur.