From patchwork Tue Mar 14 05:34:20 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 738557 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vj3NN5mV4z9s76 for ; Tue, 14 Mar 2017 16:35:16 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="mM9IT68F"; dkim-atps=neutral Received: from localhost ([::1]:56442 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cnf74-0001Pv-58 for incoming@patchwork.ozlabs.org; Tue, 14 Mar 2017 01:35:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60875) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cnf6R-0001Pk-Gr for qemu-devel@nongnu.org; Tue, 14 Mar 2017 01:34:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cnf6Q-0002iF-JV for qemu-devel@nongnu.org; Tue, 14 Mar 2017 01:34:35 -0400 Received: from ozlabs.org ([2401:3900:2:1::2]:42691) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cnf6P-0002e3-QI; Tue, 14 Mar 2017 01:34:34 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3vj3MT5BVdz9s75; Tue, 14 Mar 2017 16:34:29 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1489469669; bh=hryMIEu9KvAejCUUWXKzHZP/ptRTZahHnW9GfnCz0l8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mM9IT68FDstQdteVsgvJmxhjDtrIx6r9atdYFJIvGmpGE/nOkLWHZIh7QtS1mi5An UQI3gFu/ofu6/h7PmYGZ1HwTUOqrwmblMiYb6VTfGU1vXl2NirRLVbYCIjz48C1VMK vsuqfOAnXniK1juKe9vsJMF5qhWECEkEznzh+XKA= From: David Gibson To: qemu-ppc@nongnu.org Date: Tue, 14 Mar 2017 16:34:20 +1100 Message-Id: <20170314053422.10922-4-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170314053422.10922-1-david@gibson.dropbear.id.au> References: <20170314053422.10922-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 Subject: [Qemu-devel] [PATCHv2 for-2.10 3/5] 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: lvivier@redhat.com, agraf@suse.de, thuth@redhat.com, aik@ozlabs.ru, mdroth@linux.vnet.ibm.com, qemu-devel@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 --- hw/ppc/spapr.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 83db110..a6a1c93 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -3155,7 +3155,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) smc->dr_lmb_enabled = true; smc->tcg_default_cpu = "POWER8"; mc->has_hotpluggable_cpus = true; - smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED; + smc->resize_hpt_default = SPAPR_RESIZE_HPT_ENABLED; fwc->get_dev_path = spapr_get_fw_dev_path; nc->nmi_monitor_handler = spapr_nmi; smc->phb_placement = spapr_phb_placement; @@ -3246,8 +3246,11 @@ static void spapr_machine_2_9_instance_options(MachineState *machine) static void spapr_machine_2_9_class_options(MachineClass *mc) { + sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc); + spapr_machine_2_10_class_options(mc); SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_9); + smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED; } DEFINE_SPAPR_MACHINE(2_9, "2.9", false);