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: 9893159 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1A26F60384 for ; Thu, 10 Aug 2017 10:11:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0562E289FD for ; Thu, 10 Aug 2017 10:11:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EE8A928AEB; Thu, 10 Aug 2017 10:11:40 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 7106B28AF5 for ; Thu, 10 Aug 2017 10:11:40 +0000 (UTC) Received: from localhost ([::1]:51975 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dfkRH-0001Ya-6M for patchwork-qemu-devel@patchwork.kernel.org; Thu, 10 Aug 2017 06:11:39 -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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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)