From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aurelien Chartier Subject: [PATCH V4 0/2] xenbus: Fix S3 frontend resume when xenstored is not running Date: Thu, 16 May 2013 13:34:38 +0100 Message-ID: <1368707680-21816-1-git-send-email-aurelien.chartier@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xensource.com Cc: Aurelien Chartier , ian.campbell@citrix.com, JBeulich@suse.com, david.vrabel@citrix.com List-Id: xen-devel@lists.xenproject.org Hi, This patch series fixes the S3 resume of a domain running xenstored and a frontend over xenbus (xen-netfront in my use case). As device resume is happening before process resume, the xenbus frontend resume is hanging if xenstored is not running, thus causing a deadlock. This patch series is fixing that issue by deferring the xenbus frontend resume when we are running xenstored in that same domain. Aurelien Chartier (2): xenbus: save xenstore local status for later use xenbus: delay xenbus frontend resume if xenstored is not running drivers/xen/xenbus/xenbus_comms.h | 1 + drivers/xen/xenbus/xenbus_probe.c | 27 ++++++++++----------- drivers/xen/xenbus/xenbus_probe.h | 7 ++++++ drivers/xen/xenbus/xenbus_probe_frontend.c | 36 +++++++++++++++++++++++++++- include/xen/xenbus.h | 1 + 5 files changed, 56 insertions(+), 16 deletions(-) -- 1.7.10.4