From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Durrant Subject: [PATCH net v2 0/3] xen-netback: fix rx slot estimation Date: Thu, 27 Mar 2014 12:56:10 +0000 Message-ID: <1395924973-42904-1-git-send-email-paul.durrant@citrix.com> Mime-Version: 1.0 Content-Type: text/plain To: , Return-path: Received: from smtp.citrix.com ([66.165.176.89]:39776 "EHLO SMTP.CITRIX.COM" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754890AbaC0M4e (ORCPT ); Thu, 27 Mar 2014 08:56:34 -0400 Sender: netdev-owner@vger.kernel.org List-ID: Sander Eikelenboom reported an issue with ring overflow in netback in 3.14-rc3. This turns outo be be because of a bug in the ring slot estimation code. This patch series fixes the slot estimation, fixes the BUG_ON() that was supposed to catch the issue that Sander ran into and also makes a small fix to start_new_rx_buffer(). v2: - Added BUG_ON() to patch #1 - Added more explanation to patch #3