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Message-ID: <1326473949-22389-1-git-send-email-wei.liu2@citrix.com> Date: Fri, 13 Jan 2012 16:59:03 +0000 From: Wei Liu <wei.liu2@...rix.com> To: ian.campbell@...rix.com, konrad.wilk@...cle.com, xen-devel@...ts.xensource.com, netdev@...r.kernel.org Subject: [RFC PATCH] New Xen netback implementation A new netback implementation which includes three major features: - Global page pool support - NAPI + kthread 1:1 model - Netback internal name changes This patch series is the foundation of furture work. So it is better to get it right first. Patch 1 and 3 have the real meat. The first benifit of 1:1 model will be scheduling fairness. The rational behind a global page pool is that we need to limit overall RAM consumed by all vifs. Utilization of NAPI enables the possibility to mitigate interrupts/events, but this is not yet done. Netback internal changes cleans up the code structure after switching to 1:1 model. It also prepares netback for further code layout changes. --- drivers/net/xen-netback/Makefile | 2 +- drivers/net/xen-netback/common.h | 94 +++-- drivers/net/xen-netback/interface.c | 115 ++++-- drivers/net/xen-netback/netback.c | 743 +++++++++++------------------------ drivers/net/xen-netback/page_pool.c | 183 +++++++++ drivers/net/xen-netback/page_pool.h | 61 +++ drivers/net/xen-netback/xenbus.c | 6 +- 7 files changed, 620 insertions(+), 584 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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