From nobody Sat Feb 7 06:55:34 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1500274861903104.0235056365351; Mon, 17 Jul 2017 00:01:01 -0700 (PDT) Received: from localhost ([::1]:48305 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dX01c-0006NA-HD for importer@patchew.org; Mon, 17 Jul 2017 03:01:00 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40655) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dWzxN-0002dK-MU for qemu-devel@nongnu.org; Mon, 17 Jul 2017 02:56:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dWzxM-0001cJ-1B for qemu-devel@nongnu.org; Mon, 17 Jul 2017 02:56:37 -0400 Received: from ozlabs.org ([103.22.144.67]:47699) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dWzxL-0001Zw-Jb; Mon, 17 Jul 2017 02:56:35 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3x9vGN0b5sz9t3B; Mon, 17 Jul 2017 16:56:27 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1500274588; bh=mjax8EPFk+ojltzCawC3H/jqKNS0kP6edfu/fvdUcU8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bo3+HFPOt3K5a1tIM6itjfAcUkkDjjKMSrF934XQ8AQ6aUInGb+rarKMGkZhXMKMW WmZNVPz8769Okv/3F3b47VKQ6a3R4dLNe0/i4PftM099d0wkBzKAvcpsNczAQsOQco URtKPCgzvcq+Z+bxcRWr7Lp3hC9oKIE2ysFJ5sX0= From: David Gibson To: peter.maydell@linaro.org Date: Mon, 17 Jul 2017 16:56:17 +1000 Message-Id: <20170717065621.4688-18-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.13.3 In-Reply-To: <20170717065621.4688-1-david@gibson.dropbear.id.au> References: <20170717065621.4688-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 103.22.144.67 Subject: [Qemu-devel] [PULL 17/21] pseries: Enable HPT resizing for 2.10 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: qemu-devel@nongnu.org, aik@ozlabs.ru, mdroth@linux.vnet.ibm.com, groug@kaod.org, qemu-ppc@nongnu.org, sjitindarsingh@gmail.com, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We've now implemented a PAPR extensions which allows PAPR guests (i.e. "pseries" machine type) to resize their hash page table during runtime. However, that extension is only enabled if explicitly chosen on the command line. This patch enables it by default for spapr-2.10, but leaves it disabled (by default) for older machine types. Signed-off-by: David Gibson Reviewed-by: Laurent Vivier --- hw/ppc/spapr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index c0bc935c59..3a925ef18a 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3433,7 +3433,7 @@ static void spapr_machine_class_init(ObjectClass *oc,= void *data) smc->dr_lmb_enabled =3D true; smc->tcg_default_cpu =3D "POWER8"; mc->has_hotpluggable_cpus =3D true; - smc->resize_hpt_default =3D SPAPR_RESIZE_HPT_DISABLED; + smc->resize_hpt_default =3D SPAPR_RESIZE_HPT_ENABLED; fwc->get_dev_path =3D spapr_get_fw_dev_path; nc->nmi_monitor_handler =3D spapr_nmi; smc->phb_placement =3D spapr_phb_placement; @@ -3540,6 +3540,7 @@ static void spapr_machine_2_9_class_options(MachineCl= ass *mc) SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_9); mc->numa_auto_assign_ram =3D numa_legacy_auto_assign_ram; smc->pre_2_10_has_unused_icps =3D true; + smc->resize_hpt_default =3D SPAPR_RESIZE_HPT_DISABLED; } =20 DEFINE_SPAPR_MACHINE(2_9, "2.9", false); --=20 2.13.3