From patchwork Thu Aug 10 10:08:07 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lan Tianyu X-Patchwork-Id: 800153 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 3xSkSL63l5z9t2S for ; Thu, 10 Aug 2017 20:11:28 +1000 (AEST) Received: from localhost ([::1]:51975 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dfkR3-0001Ya-ST for incoming@patchwork.ozlabs.org; Thu, 10 Aug 2017 06:11:25 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35996) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dfkQj-0001Xu-R1 for qemu-devel@nongnu.org; Thu, 10 Aug 2017 06:11:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dfkQe-0000Lz-A1 for qemu-devel@nongnu.org; Thu, 10 Aug 2017 06:11:05 -0400 Received: from mga06.intel.com ([134.134.136.31]:65320) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dfkQe-0000Lk-1I for qemu-devel@nongnu.org; Thu, 10 Aug 2017 06:11:00 -0400 Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga104.jf.intel.com with ESMTP; 10 Aug 2017 03:10:59 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.41,352,1498546800"; d="scan'208";a="138591404" Received: from lantianyu-ws.sh.intel.com (HELO localhost) ([10.239.159.159]) by fmsmga006.fm.intel.com with ESMTP; 10 Aug 2017 03:10:57 -0700 From: Lan Tianyu To: qemu-devel@nongnu.org Date: Thu, 10 Aug 2017 18:08:07 +0800 Message-Id: <1502359687-25370-1-git-send-email-tianyu.lan@intel.com> X-Mailer: git-send-email 1.7.9.5 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.31 Subject: [Qemu-devel] [PATCH] x86: Increase max vcpu number to 352 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: Lan Tianyu , pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com, mst@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Intel Xeon phi chip will support 352 logical threads. For HPC usage case, it will create a huge VM with vcpus number as same as host cpus. This patch is to increase max vcpu number to 352. Signed-off-by: Lan Tianyu --- hw/i386/pc_q35.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c index 169a214..5e93749 100644 --- a/hw/i386/pc_q35.c +++ b/hw/i386/pc_q35.c @@ -299,7 +299,7 @@ static void pc_q35_machine_options(MachineClass *m) m->default_display = "std"; m->no_floppy = 1; m->has_dynamic_sysbus = true; - m->max_cpus = 288; + m->max_cpus = 352; } static void pc_q35_2_10_machine_options(MachineClass *m)