From mboxrd@z Thu Jan 1 00:00:00 1970 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 From: Lan Tianyu Date: Thu, 10 Aug 2017 18:08:07 +0800 Message-Id: <1502359687-25370-1-git-send-email-tianyu.lan@intel.com> Subject: [Qemu-devel] [PATCH] x86: Increase max vcpu number to 352 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Lan Tianyu , mst@redhat.com, pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com 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) -- 1.8.3.1