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=-14.9 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 98753C4727E for ; Mon, 28 Sep 2020 16:11:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5C5C820809 for ; Mon, 28 Sep 2020 16:11:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="i+be8AIJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726617AbgI1QLA (ORCPT ); Mon, 28 Sep 2020 12:11:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55752 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726393AbgI1QK7 (ORCPT ); Mon, 28 Sep 2020 12:10:59 -0400 Received: from mail-ed1-x542.google.com (mail-ed1-x542.google.com [IPv6:2a00:1450:4864:20::542]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AAAAC0613CE for ; Mon, 28 Sep 2020 09:10:58 -0700 (PDT) Received: by mail-ed1-x542.google.com with SMTP id n22so1981134edt.4 for ; Mon, 28 Sep 2020 09:10:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=sSbjOkpOXa/SRNzUYaJC32SvSqb9G8e3qi87JReDiYc=; b=i+be8AIJwl8mLk0ZeQtg25l5e4K8bjRLO7Y4bvHYxsM9jdWRhhYd13bbuqqd1qDtml 4W3i+ijZaC6+QmQodqW6d+u59gvdOcXbfmJ9Upfk+e513jAIkpNNjZNbtFcptfEvjnDw LA4rBujnIZKjFNT8Jb/WGEwcv7iZ6yMdAw4outujy6PxTJWYcTpTcl+j0ZdvOsKVSuxy UPHsQmTPtiHzvRq11ffEgYMwlA38C0+8iuTJgTILdeslE8Hp3GEfsm8u8lvZnw91s1qv uW7rN17+dob3i9cuZsXm8i1ZfoSh9AmSQIBgD3w5yaUG0UuO9doJ5UnWLBaa9hGvGyHt uPGQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=sSbjOkpOXa/SRNzUYaJC32SvSqb9G8e3qi87JReDiYc=; b=TR7LFc0ELv2zW50WqQo8/NPPoooxEXCtocWjvqMRUWLCY3vitzk1cCUhK8mP3234Nb R+1ezLf6EvF+QTC5/dAvJZOiZ8fIpKSXq3m1d7C/h+bjJ0Wq7CK8uX6E9qmS8P1o7PgW URR2YA7NP3gXsPE8yFBBZzWnfrQSEF0dpdQ7DeUzKmex0idfBAapPovZxj/3L36lsEEq RAKpbW3lhPlPskIR4E1KllgBLC61PcOHspOKMAAPBWCx7nv0siIgHS/csisuin926s1e fG6NS2O+Gj3o3qYsJAoD7RYo/Z2h8C4eANd18EIpXKcDaJaEYgjNko8XoTUxddJN91Y4 yZBQ== X-Gm-Message-State: AOAM533+Eb8CIxArS0jJxYMD3H+OdnIfwrjVTsDCMwq5MkBiLNQcqvqH YRuh5eWk0Dr5Hvy8JjolOxURsFj9gRfZSmTmZhiZMg== X-Google-Smtp-Source: ABdhPJwYItVzot76ygzrdbjuR8fOpjHu0HmDjOzOQdO0BgKrxV0xWHbZ927LIgqGhMMC16072uc89SppgiT8bNfs5K8= X-Received: by 2002:a50:e78f:: with SMTP id b15mr2661553edn.104.1601309456646; Mon, 28 Sep 2020 09:10:56 -0700 (PDT) MIME-Version: 1.0 References: <20200925143422.21718-1-graf@amazon.com> <20200925143422.21718-9-graf@amazon.com> In-Reply-To: <20200925143422.21718-9-graf@amazon.com> From: Aaron Lewis Date: Mon, 28 Sep 2020 09:10:45 -0700 Message-ID: Subject: Re: [PATCH v8 8/8] KVM: selftests: Add test for user space MSR handling To: Alexander Graf Cc: kvm list , Sean Christopherson , Paolo Bonzini , Jonathan Corbet , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , KarimAllah Raslan , Dan Carpenter , Maxim Levitsky , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 25, 2020 at 7:36 AM Alexander Graf wrote: > > Now that we have the ability to handle MSRs from user space and also to > select which ones we do want to prevent in-kernel KVM code from handling, > let's add a selftest to show case and verify the API. > > Signed-off-by: Alexander Graf Reviewed-by: Aaron Lewis > > --- > > v2 -> v3: > > - s/KVM_CAP_ADD_MSR_ALLOWLIST/KVM_CAP_X86_MSR_ALLOWLIST/g > - Add test to clear whitelist > - Adjust to reply-less API > - Fix asserts > - Actually trap on MSR_IA32_POWER_CTL writes > > v5 -> v6: > > - Adapt to new ioctl API > - Check for passthrough MSRs > - Check for filter exit reason > - Add .gitignore >