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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 B8FC3C433DF for ; Tue, 9 Jun 2020 16:01:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 945042072F for ; Tue, 9 Jun 2020 16:01:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="jI1VvTgi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731030AbgFIQBg (ORCPT ); Tue, 9 Jun 2020 12:01:36 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:29285 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730794AbgFIQBf (ORCPT ); Tue, 9 Jun 2020 12:01:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591718494; 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: in-reply-to:in-reply-to:references:references; bh=i9mw0jwDqk9vebneZAm+rfcmH4lN//ILG94TBWdT15g=; b=jI1VvTgiOt/rdeNlYtQKiRcjCwMvv5xayFTf5zzsS/M9FNFc0B75EhBfnbHsnD43wE/Fn7 XDdFFuXfkMpSaNdXDlYtTnLtzAkZ1CBOCCC8S1u3/tXxPkf79HmcfgiqPunoQUCuRR3V9/ DXrNdvQJ6v3q4LByyqjfL7swbhFwEXc= Received: from mail-wm1-f72.google.com (mail-wm1-f72.google.com [209.85.128.72]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-443-ECI9jYpSOWGHLakU--S8Fg-1; Tue, 09 Jun 2020 12:01:32 -0400 X-MC-Unique: ECI9jYpSOWGHLakU--S8Fg-1 Received: by mail-wm1-f72.google.com with SMTP id y15so747701wmi.0 for ; Tue, 09 Jun 2020 09:01:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=i9mw0jwDqk9vebneZAm+rfcmH4lN//ILG94TBWdT15g=; b=dUM2QxKBmgFSNezPxiToNIHZGTHgqN0nAABJLbEfOZnqU/JdH2hDc4vZ9bscTeb7FQ jVMb3q+opKA997jSCIyKkvaR57jMpfT2NFg7z87MnDlGzn4zGSrD88vtZ9d9RiELCHWR 4E7lASMeTtPaopE1ej0ZJC/vfkgTgx1WJynMtmZ02JjVIAwwdBK0/+XeKnI6I2EWS5U/ 2v546cg2xXREdzrTUnTdVqexKhJvgc746mWNr+WONBolB6MI5oY4Jbv3vzu96a9aXjLy YrmVl5C9t5wdrxnVnhC6gtB7J0BILSNvg1HZqbApV36vMMdcaLMS0zMmqVq6+j9gvTHB RU5Q== X-Gm-Message-State: AOAM532WIOTbBNAm+77Ds6MJu8WF7Tia/jbYm5teQrpuMKLSchNsQmMg 47xUQnGotrZiUajHlB559mluWMGf6HYCGYLYVdDF6E/sdGy+FEPpwydtY8rGMSXJvVpU5i1Jx0j YBqkHzRxyicFw X-Received: by 2002:a5d:408e:: with SMTP id o14mr5129555wrp.84.1591718491914; Tue, 09 Jun 2020 09:01:31 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyN/kmT1mD5DAdfc2yIoMg5h96U9lEX8srTbHpB/HM+k7YK1UiWVh8jawTjEAAcaAaiezsmhA== X-Received: by 2002:a5d:408e:: with SMTP id o14mr5129534wrp.84.1591718491702; Tue, 09 Jun 2020 09:01:31 -0700 (PDT) Received: from redhat.com (bzq-79-181-55-232.red.bezeqint.net. [79.181.55.232]) by smtp.gmail.com with ESMTPSA id c81sm3482604wmd.42.2020.06.09.09.01.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2020 09:01:31 -0700 (PDT) Date: Tue, 9 Jun 2020 12:01:28 -0400 From: "Michael S. Tsirkin" To: Halil Pasic Cc: Cornelia Huck , David Gibson , qemu-devel@nongnu.org, brijesh.singh@amd.com, frankja@linux.ibm.com, dgilbert@redhat.com, pair@us.ibm.com, qemu-ppc@nongnu.org, kvm@vger.kernel.org, mdroth@linux.vnet.ibm.com, Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: Re: [RFC v2 18/18] guest memory protection: Alter virtio default properties for protected guests Message-ID: <20200609120011-mutt-send-email-mst@kernel.org> References: <20200521034304.340040-1-david@gibson.dropbear.id.au> <20200521034304.340040-19-david@gibson.dropbear.id.au> <20200606162014-mutt-send-email-mst@kernel.org> <20200607030735.GN228651@umbus.fritz.box> <20200609121641.5b3ffa48.cohuck@redhat.com> <20200609174046.0a0d83b9.pasic@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200609174046.0a0d83b9.pasic@linux.ibm.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, Jun 09, 2020 at 05:40:46PM +0200, Halil Pasic wrote: > For s390x having a memory-encryption object is not prereq for doing > protected virtualization, so the scheme does not work for us right now. It does make things much easier implementation-wise while just marginally harder to use though. -- MST