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[23.128.96.18]) by mx.google.com with ESMTP id ks17si1844412ejb.204.2020.07.29.13.37.56; Wed, 29 Jul 2020 13:38:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b=IOAAJ9Ns; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726816AbgG2Uhh (ORCPT + 99 others); Wed, 29 Jul 2020 16:37:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726581AbgG2Uhg (ORCPT ); Wed, 29 Jul 2020 16:37:36 -0400 Received: from mail-io1-xd41.google.com (mail-io1-xd41.google.com [IPv6:2607:f8b0:4864:20::d41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 37386C061794 for ; Wed, 29 Jul 2020 13:37:36 -0700 (PDT) Received: by mail-io1-xd41.google.com with SMTP id a5so10718974ioa.13 for ; Wed, 29 Jul 2020 13:37:36 -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=feuGkbN2E+CY4DYEzbMyw1G53COndnQfGzu4PNYGrlE=; b=IOAAJ9NsSUh5yPDkFHrM/yn3ArdUgh3ru5J4RxxujQQYlhEtwasJPcFfg1ZH9GjWCC akWYg59be45KQkJHM5B0zSMQR7QpIGxQVNncfQurnOShEO9Kb4ZivhYBsLqBAyUapySW v5lblsElXPV/9TvCxpQBLNIREiWtyULDcKxU7cshmtZKAaTwriPNj3GdOFEfFzlcQ3NR GEJQa3d7nGpTv+76mckr7sfY6gircJtEylXlfquXn4VRA8QeBDtqVbGnxkKxOtJxt90b byAThQy067Cg8IjzQw8D2as8g1XRE3oMeC4gSaFhDXo18AyV7G0RPYTN+/wG4RBLAcWm RXnw== 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=feuGkbN2E+CY4DYEzbMyw1G53COndnQfGzu4PNYGrlE=; b=p68CAuNcTEdgTlSIwmJ/Rpuy/XssSqgivqRP988dlRwcdcInxtERQBPWd5AKidJNWG E5Ke1bF6tIMp7EF9eiyMt0Qs7heyNITP4Gwt2yHRrzJ3fX7m0EFiMmk/qPsKSgpyMAMN D7JfFOlAb3ndmA+N9tJ/+wDwY33C0ECWspuPo61RFiPlSX1vGIdWM4SH8Mh42T0gLb4h f5i1i9ipoawYp2eGu6h7KPrS+iccgUSWFg0YHOui7z6IeoxbE3ZHweMQFkr7rV2x9H+g gzjAqX8Sak9hZpS4j2bhUKqhzVOa6v3yiQZkExSHo5rhwcfKNYlew6uriS5UVRzDUk58 liLA== X-Gm-Message-State: AOAM5300Rc5toCnWq0ZcWnB2kYqdAvR+otUOu18+QwnNAh7eQKX5JC5s iDA6kj+ophOzRk8H36BZWPAuiHEtbY71+NmoTGOHfQ== X-Received: by 2002:a05:6638:1685:: with SMTP id f5mr17236458jat.48.1596055055453; Wed, 29 Jul 2020 13:37:35 -0700 (PDT) MIME-Version: 1.0 References: <20200728004446.932-1-graf@amazon.com> <87d04gm4ws.fsf@vitty.brq.redhat.com> <14035057-ea80-603b-0466-bb50767f9f7e@amazon.com> <69d8c4cd-0d36-0135-d1fc-0af7d81ce062@amazon.com> In-Reply-To: <69d8c4cd-0d36-0135-d1fc-0af7d81ce062@amazon.com> From: Jim Mattson Date: Wed, 29 Jul 2020 13:37:24 -0700 Message-ID: Subject: Re: [PATCH] KVM: x86: Deflect unknown MSR accesses to user space To: Alexander Graf Cc: Aaron Lewis , Vitaly Kuznetsov , Paolo Bonzini , Jonathan Corbet , Sean Christopherson , Wanpeng Li , Joerg Roedel , kvm list , linux-doc@vger.kernel.org, LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 29, 2020 at 1:29 PM Alexander Graf wrote: > Meanwhile, I have cleaned up Karim's old patch to add allow listing to > KVM and would post it if Aaron doesn't beat me to it :). Ideally, this becomes a collaboration rather than a race to the finish. I'd like to see both proposals, so that we can take the best parts of each!