From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: [PATCH net-next 0/3] xen-netback: switch to NAPI + kthread 1:1 model Date: Fri, 24 May 2013 11:32:30 +0100 Message-ID: <1369391553-16835-1-git-send-email-wei.liu2@citrix.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , Wei Liu To: , Return-path: Received: from smtp.citrix.com ([66.165.176.89]:29464 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760354Ab3EXKcf (ORCPT ); Fri, 24 May 2013 06:32:35 -0400 Sender: netdev-owner@vger.kernel.org List-ID: This series implements NAPI + kthread 1:1 model for Xen netback. This model - provides better scheduling fairness among vifs - is prerequisite for implementing multiqueue for Xen network driver The first two patches are ground work for the third patch. They aim to reduce memory footprint of netback. The third patch has the real meat: - make use of NAPI to mitigate interrupt - kthreads are not bound to CPUs any more, so that we can take advantage of backend scheduler and trust it to do the right thing Wei Liu (3): xen-netback: page pool support xen-netback: switch to per-cpu scratch space xen-netback: switch to NAPI + kthread 1:1 model drivers/net/xen-netback/Makefile | 2 +- drivers/net/xen-netback/common.h | 92 ++-- drivers/net/xen-netback/interface.c | 124 +++-- drivers/net/xen-netback/netback.c | 977 +++++++++++++++-------------------- drivers/net/xen-netback/page_pool.c | 186 +++++++ drivers/net/xen-netback/page_pool.h | 60 +++ 6 files changed, 812 insertions(+), 629 deletions(-) create mode 100644 drivers/net/xen-netback/page_pool.c create mode 100644 drivers/net/xen-netback/page_pool.h -- 1.7.10.4