From patchwork Fri Jul 14 06:15:19 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 788122 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 3x82bD6LZ3z9s7m for ; Fri, 14 Jul 2017 16:19:36 +1000 (AEST) 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="Icne6vTQ"; dkim-atps=neutral Received: from localhost ([::1]:35700 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dVtwt-0003wU-0w for incoming@patchwork.ozlabs.org; Fri, 14 Jul 2017 02:19:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43685) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dVtt5-00019H-IT for qemu-devel@nongnu.org; Fri, 14 Jul 2017 02:15:41 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dVtt3-0002Bp-Sq for qemu-devel@nongnu.org; Fri, 14 Jul 2017 02:15:39 -0400 Received: from ozlabs.org ([2401:3900:2:1::2]:41327) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dVtt3-00028b-Dd; Fri, 14 Jul 2017 02:15:37 -0400 Received: by ozlabs.org (Postfix, from userid 1007) id 3x82VR62fXz9t2v; Fri, 14 Jul 2017 16:15:26 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1500012927; bh=2TewCd3PfL1t98N2zYyMeJ7kJmTylI6n64UqYYBCIW0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Icne6vTQETDayFEf8ICJn4CsevZ080j+8nPkPgX7iDI2cqBfxnBY1HsAQPa+5nbwk aoRvWaKhh3UsCVTRb7vv2i5lsuc2bDrGSUdHnSK67Cx/1p9ZnFgd1lxT6Wrqtlozuk 47sxK1jo4Xq5QKZg5NuHMiFTmyrcT5BbgNXmp4bQ= From: David Gibson To: peter.maydell@linaro.org Date: Fri, 14 Jul 2017 16:15:19 +1000 Message-Id: <20170714061521.28300-17-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20170714061521.28300-1-david@gibson.dropbear.id.au> References: <20170714061521.28300-1-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] [PULL 16/18] 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, qemu-devel@nongnu.org, sbobroff@au1.ibm.com, mdroth@linux.vnet.ibm.com, groug@kaod.org, qemu-ppc@nongnu.org, sjitindarsingh@gmail.com, 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 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 322540b393..775cc28c78 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 = 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; @@ -3540,6 +3540,7 @@ static void spapr_machine_2_9_class_options(MachineClass *mc) SET_MACHINE_COMPAT(mc, SPAPR_COMPAT_2_9); mc->numa_auto_assign_ram = numa_legacy_auto_assign_ram; smc->pre_2_10_has_unused_icps = true; + smc->resize_hpt_default = SPAPR_RESIZE_HPT_DISABLED; } DEFINE_SPAPR_MACHINE(2_9, "2.9", false);