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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 CDC04C433EF for ; Wed, 8 Sep 2021 21:53:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B29F2610F8 for ; Wed, 8 Sep 2021 21:53:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235602AbhIHVyQ (ORCPT ); Wed, 8 Sep 2021 17:54:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234677AbhIHVyP (ORCPT ); Wed, 8 Sep 2021 17:54:15 -0400 Received: from mail-pj1-x102e.google.com (mail-pj1-x102e.google.com [IPv6:2607:f8b0:4864:20::102e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32DE5C061757 for ; Wed, 8 Sep 2021 14:53:07 -0700 (PDT) Received: by mail-pj1-x102e.google.com with SMTP id j1so2655734pjv.3 for ; Wed, 08 Sep 2021 14:53:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=MqqsPBvieTQhidpJKG4u8REiYHJcaq8C3VDa8kH77tw=; b=VPmCuItGiahDNlB9yXk9EzPj1Y3N8W6jBRskBxas7V8kA9C4vBcJJFeMG7EexZSzwy kWYbAKmLcVF1T2e4zxsLX8nNX5EkU5kDicH8De/Scn684Kl9lmzbLDmG1PSiQNrWZ4sd GPXKmKzgoLSlIqr1Kt73pj4iZnL2/MmPkxdir3pHpmpXJbZjq2PMkq2HKDp2GfYzyod8 1Fe3D0i+GnnlyjgMkpp1BVmj8IOxWjqCzbNXJMcybWugg++OMFWx1/QpUlR47yPYtV1H BogQhUbYsNy/2OPUnlbyjmCtf9DmgkUJ5ljRXJErlc40ztIkyFa7Spn0MAPVbvMcGjpf 8fuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=MqqsPBvieTQhidpJKG4u8REiYHJcaq8C3VDa8kH77tw=; b=1XsdRlsTuacmZu+ZPyGivJJ2lA5f9FFxZeQNqW0Jxnsu/54CYDO64qXAiXJvrgEyY0 W7GIt4NKV44H61GzWrlma10cxgFNQws05AhQYwoN5DqreSJKdQdRKnnnjhpwUApFGGqO bjkPy5NfVf6CX01+2x1pna3N+EpWTlHuWj6rYYEtNDHMwe/MMs+fQngrP7Yd6nu7eVJ+ NBr9deACE9Y5cXQ2x/uPbsBCh1aEUt/em7mB/BgWCf+q5rIgYyv+9ddaBxw/8328vwTK /ce+ozl4Fns5mcWU/O4+xDauMb7C0x17zNHtN1WXUTHXlw86RuoJ+1o3IKOWh1dMYqzp VW2w== X-Gm-Message-State: AOAM533dGLVCPSUPv2PPvlzOFQEh8d3phTzoMtyr9Y5hPl1G8UtZ507G Vnao3MtdBWL/8usCnl24R+n1LQ== X-Google-Smtp-Source: ABdhPJxfMK7bMUjhRglnL31dhaWWFN6MWNDizOAPzBesjPMz4wM5vnAL2NE2ROggoRQdifCTWBjAdg== X-Received: by 2002:a17:90a:9285:: with SMTP id n5mr338826pjo.29.1631137986562; Wed, 08 Sep 2021 14:53:06 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id x64sm148036pfd.194.2021.09.08.14.53.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Sep 2021 14:53:05 -0700 (PDT) Date: Wed, 8 Sep 2021 21:53:02 +0000 From: Sean Christopherson To: Vitaly Kuznetsov Cc: kvm@vger.kernel.org, Paolo Bonzini , Wanpeng Li , Jim Mattson , linux-kernel@vger.kernel.org Subject: Re: [PATCH] KVM: nVMX: Filter out all unsupported controls when eVMCS was activated Message-ID: References: <20210907163530.110066-1-vkuznets@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210907163530.110066-1-vkuznets@redhat.com> Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, Sep 07, 2021, Vitaly Kuznetsov wrote: > Let's be bold this time and instead of playing whack-a-mole just filter out > all unsupported controls from VMX MSRs. Out of curiosity, why didn't we do this from the get-go?