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=-3.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 B5AC6C433E0 for ; Sun, 5 Jul 2020 08:44:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 80E49206B6 for ; Sun, 5 Jul 2020 08:44:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="ZHjQh853" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 80E49206B6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57696 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1js0G8-0005ur-Nz for qemu-devel@archiver.kernel.org; Sun, 05 Jul 2020 04:44:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36356) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1js0FV-0005FB-Sk; Sun, 05 Jul 2020 04:43:45 -0400 Received: from ozlabs.org ([2401:3900:2:1::2]:52939) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1js0FS-0006l3-3D; Sun, 05 Jul 2020 04:43:45 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 4B02Kd4FfGz9sSJ; Sun, 5 Jul 2020 18:43:33 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1593938613; bh=Vdr+C7jMOZTKTqw46GAUMPvW/tZdesx/v+gEu7dJuEQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZHjQh853bTzNSvfYDaziPwYJS1IQPGALZv7i+dVWeBQ8FinyZVlHyaL1g/sye2AEU K79+tWeFm9GYBnKDg29usaH2o/g9KGkeXbK6/KR+DxlTQyZ5FqGLchIzi4WWcJgJmo kpcSL1YOXuxR4mtCCebUeGn50c39fHseTOtH7Ie4= Date: Sun, 5 Jul 2020 17:38:13 +1000 From: David Gibson To: "Dr. David Alan Gilbert" Subject: Re: [PATCH v3 8/9] spapr: PEF: block migration Message-ID: <20200705073813.GA12576@umbus.fritz.box> References: <20200619020602.118306-1-david@gibson.dropbear.id.au> <20200619020602.118306-9-david@gibson.dropbear.id.au> <20200626103303.GE3087@work-vm> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="YiEDa0DAkWCtVeE4" Content-Disposition: inline In-Reply-To: <20200626103303.GE3087@work-vm> Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -9 X-Spam_score: -1.0 X-Spam_bar: - X-Spam_report: (-1.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: pair@us.ibm.com, brijesh.singh@amd.com, frankja@linux.ibm.com, kvm@vger.kernel.org, mst@redhat.com, cohuck@redhat.com, david@redhat.com, qemu-devel@nongnu.org, Eduardo Habkost , mdroth@linux.vnet.ibm.com, pasic@linux.ibm.com, qemu-s390x@nongnu.org, qemu-ppc@nongnu.org, pbonzini@redhat.com, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --YiEDa0DAkWCtVeE4 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jun 26, 2020 at 11:33:03AM +0100, Dr. David Alan Gilbert wrote: > * David Gibson (david@gibson.dropbear.id.au) wrote: > > We haven't yet implemented the fairly involved handshaking that will be > > needed to migrate PEF protected guests. For now, just use a migration > > blocker so we get a meaningful error if someone attempts this (this is = the > > same approach used by AMD SEV). > >=20 > > Signed-off-by: David Gibson >=20 > Do you expect this to happen if people run with -cpu host ? Uh.. I don't really understand the question. What's the connection between cpu model and migration blocking? --=20 David Gibson | I'll have my music baroque, and my code david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_ | _way_ _around_! http://www.ozlabs.org/~dgibson --YiEDa0DAkWCtVeE4 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEdfRlhq5hpmzETofcbDjKyiDZs5IFAl8Bg2UACgkQbDjKyiDZ s5LH7hAA5EZmRNXj1yivkiYNc1GtXGso5xsJ2GrV/CElKHDYr2mGDqCzzatQybF4 8obKns+u40a5L+QlnxwSo2HbH1svQ7/3y/mmUmgMIVqFaLDooWjjR0sp4GQnob83 AhhaSGD0HdwMH4sOvfKLTZzNoJ+GdIr3RWXArVRWxNG6DeWvdHKIzHE920Aj72dF Mktk9hnrX2SIFgm0UJhIK5HP9U3gLaCHjsfO/asxjP5LbC4ZslVPZQrV1pD5Jehb vDaFSkXKhlVdbnrfELub532PTJ5FRfDZb2OdKbO1AJyuZk4hbCinbc075PuOrmPB sX/yW/Ho66UEhj5zZd7IxZ8NHMrbwBgXqh8I0pMKZ3Ml1tvoNtCMyJrH3lOR+RE6 yH4no8xbq/TF2NYKGQAwF9W1VZNeQYVBdaNpvr2F5ZMYIVDYFkOsmnS0XVZf9Qqx qZmcpmvDdf4hiTE45eV9+mGPatvWbLcMCpvWEftOfOrGNbmsW8lF317GqXg4lAFo mC04DVZczr5rFtEiX4RIYpF2QSh+SkESzqpXZgnSFTqT447X1ZDoXxBUx91q6EJX ZlaacuLtRpl2wMasuvbqmjbnnAyoq/UEgH5BfA7LKptY0gOM74i7wgWsC+e3vuuf L6GS4ETEKTen3kMjgW+o3NLRdFpgF5stP7mzdv5dsZhXtxEAWL0= =kDum -----END PGP SIGNATURE----- --YiEDa0DAkWCtVeE4--