From nobody Tue Feb 10 05:39:37 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1610583182; cv=none; d=zohomail.com; s=zohoarc; b=Cft1DC/gTt2Krp5zqFoQTtknIb0Cd+Yb3q6L6mxznYELirwRhlFYefuIZEcDYD4ixEC/eBI12aHV5QfyxXIt7Ft48nnRVJfQCcECO213+pzBs+nXYm3kZcnIvbJqzc74KNcQ/v6wKfulWKHBlUDtGUoo3CUwl6Cm8/7fCz8+RbA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610583182; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=51eIULAE4M4ytnQxSIgt6zOWEF1wk/nxVpND178/ZTc=; b=TnQj/b/lbUNzXlGKl9O+4tY/m1yWQr6z15pEWWbpdPap8qDsR34SejDoNkoj2hO680QuqbZ2ubWzdda1AnCimRcBqBs6I6Ewq9mPtknhCPn7jms41qimlXYK3rCwmAb0IZqCLSDNasqu0Ugd0MmhHSexp/AK/SB5dh0WjO7qbMg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1610583182327412.2120508831373; Wed, 13 Jan 2021 16:13:02 -0800 (PST) Received: from localhost ([::1]:34890 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzqG5-0005wY-4I for importer@patchew.org; Wed, 13 Jan 2021 19:13:01 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:36514) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzq28-0007J0-3T; Wed, 13 Jan 2021 18:58:36 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:50169) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzq26-0006fO-03; Wed, 13 Jan 2021 18:58:35 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 4DGPXR3Gm0z9sj5; Thu, 14 Jan 2021 10:58:15 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1610582295; bh=NmD42X0WsHRqDVYpVVbDz7PiUpDumAPsjTSKm/2tvCs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eHnrJQZ9Z4likHKrb5Kig2JSXFW0K06BO15ZxTUk6xEr/KwURm9e9/XjyUT8EI6lB iY3L/J4gGwpnSp8p8o/6ndTeJ+yr82C+aujC7PsR2jVMwSVeh/t5Y3M4BvxM29ePok 8hzRL5a/WrMh32T/jRpiEVR+JaU30Vjhv16FKmP4= From: David Gibson To: brijesh.singh@amd.com, pair@us.ibm.com, dgilbert@redhat.com, pasic@linux.ibm.com, qemu-devel@nongnu.org Subject: [PATCH v7 11/13] spapr: PEF: prevent migration Date: Thu, 14 Jan 2021 10:58:09 +1100 Message-Id: <20210113235811.1909610-12-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210113235811.1909610-1-david@gibson.dropbear.id.au> References: <20210113235811.1909610-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2401:3900:2:1::2; envelope-from=dgibson@ozlabs.org; helo=ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.248, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no 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: qemu-ppc@nongnu.org, thuth@redhat.com, Marcelo Tosatti , berrange@redhat.com, jun.nakajima@intel.com, kvm@vger.kernel.org, David Hildenbrand , cohuck@redhat.com, Richard Henderson , Greg Kurz , mdroth@linux.vnet.ibm.com, borntraeger@de.ibm.com, qemu-s390x@nongnu.org, frankja@linux.ibm.com, mst@redhat.com, pragyansri.pathi@intel.com, andi.kleen@intel.com, Paolo Bonzini , David Gibson , Eduardo Habkost Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" 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). Signed-off-by: David Gibson Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Greg Kurz --- hw/ppc/pef.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/ppc/pef.c b/hw/ppc/pef.c index 02b9b3b460..d7a49ef337 100644 --- a/hw/ppc/pef.c +++ b/hw/ppc/pef.c @@ -42,6 +42,8 @@ struct PefGuest { }; =20 #ifdef CONFIG_KVM +static Error *pef_mig_blocker; + static int kvmppc_svm_init(Error **errp) { if (!kvm_check_extension(kvm_state, KVM_CAP_PPC_SECURE_GUEST)) { @@ -58,6 +60,11 @@ static int kvmppc_svm_init(Error **errp) } } =20 + /* add migration blocker */ + error_setg(&pef_mig_blocker, "PEF: Migration is not implemented"); + /* NB: This can fail if --only-migratable is used */ + migrate_add_blocker(pef_mig_blocker, &error_fatal); + return 0; } =20 --=20 2.29.2