From patchwork Tue Mar 12 08:52:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 10848923 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 27A90139A for ; Tue, 12 Mar 2019 09:37:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 15C3E28CE8 for ; Tue, 12 Mar 2019 09:37:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0A52929516; Tue, 12 Mar 2019 09:37:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A4E3F28CE8 for ; Tue, 12 Mar 2019 09:37:45 +0000 (UTC) Received: from localhost ([127.0.0.1]:48234 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3dqz-0005jc-1c for patchwork-qemu-devel@patchwork.kernel.org; Tue, 12 Mar 2019 05:37:45 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52529) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1h3dT3-0007iw-U0 for qemu-devel@nongnu.org; Tue, 12 Mar 2019 05:13:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1h3dJu-0008DF-2m for qemu-devel@nongnu.org; Tue, 12 Mar 2019 05:03:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43872) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1h3dJt-00086J-Pw; Tue, 12 Mar 2019 05:03:33 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AA70F3DDB8; Tue, 12 Mar 2019 08:54:00 +0000 (UTC) Received: from umbus.redhat.com (vpn2-54-33.bne.redhat.com [10.64.54.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id AC2B76015A; Tue, 12 Mar 2019 08:53:56 +0000 (UTC) From: David Gibson To: peter.maydell@linaro.org Date: Tue, 12 Mar 2019 19:52:26 +1100 Message-Id: <20190312085316.8054-13-dgibson@redhat.com> In-Reply-To: <20190312085316.8054-1-dgibson@redhat.com> References: <20190312085316.8054-1-dgibson@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 12 Mar 2019 08:54:00 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 12/62] target/ppc/spapr: Enable mitigations by default for pseries-4.0 machine type X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, clg@kaod.org, qemu-ppc@nongnu.org, qemu-devel@nongnu.org, groug@kaod.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Suraj Jitindar Singh There are currently 3 mitigations the availability of which is controlled by the spapr-caps mechanism, cap-cfpc, cap-sbbc, and cap-ibs. Enable these mitigations by default for the pseries-4.0 machine type. By now machine firmware should have been upgraded to allow these settings. Signed-off-by: Suraj Jitindar Singh Message-Id: <20190301044609.9626-3-sjitindarsingh@gmail.com> Signed-off-by: David Gibson --- hw/ppc/spapr.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 37fd7a1411..946bbcf9ee 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -4307,9 +4307,9 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_OFF; smc->default_caps.caps[SPAPR_CAP_VSX] = SPAPR_CAP_ON; smc->default_caps.caps[SPAPR_CAP_DFP] = SPAPR_CAP_ON; - smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN; - smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_BROKEN; - smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN; + smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_WORKAROUND; + smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_WORKAROUND; + smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_WORKAROUND; smc->default_caps.caps[SPAPR_CAP_HPT_MAXPAGESIZE] = 16; /* 64kiB */ smc->default_caps.caps[SPAPR_CAP_NESTED_KVM_HV] = SPAPR_CAP_OFF; smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_ON; @@ -4389,6 +4389,9 @@ static void spapr_machine_3_1_class_options(MachineClass *mc) mc->default_cpu_type = POWERPC_CPU_TYPE_NAME("power8_v2.0"); smc->update_dt_enabled = false; smc->dr_phb_enabled = false; + smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN; + smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_BROKEN; + smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN; smc->default_caps.caps[SPAPR_CAP_LARGE_DECREMENTER] = SPAPR_CAP_OFF; }