From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Jin Subject: [PATCH 0/2] limit xen vnic max queues number to online cpu number Date: Fri, 23 Oct 2015 15:53:58 +0800 Message-ID: <5629E796.5040203@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, xen-devel@lists.xenproject.org To: wei.liu2@citrix.com, Ian Campbell , Boris Ostrovsky , Konrad Rzeszutek Wilk , "David S. Miller" Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:25438 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751412AbbJWHyI (ORCPT ); Fri, 23 Oct 2015 03:54:08 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Currently xen vnic allowed to create lots of queues by set module param max_queues(both netback and netfront), when queues number larger than cpu number, it does not help for performance but need more cpu time. This patchset limit netback and netfront max queues number to online cpus number. Joe Jin (2): xen-netback: limit xen vif max queues number to online cpus xen-front: limit vnic max_queues number to online cpus drivers/net/xen-netback/netback.c | 28 ++++++++++++++++++++++------ drivers/net/xen-netfront.c | 27 +++++++++++++++++++++------ 2 files changed, 43 insertions(+), 12 deletions(-)