[ovs-git] Open vSwitch: ofproto-dpif: Fix rule delete deadlock. (branch-2.0)

dev at openvswitch.org dev at openvswitch.org
Tue Jan 28 23:22:57 UTC 2014


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The branch, branch-2.0 has been updated
       via  a5262aad9e203c05eebca9b1ff1331e888a2040b (commit)
      from  738a2445c0c124f53df6abcffc6379746e99dee8 (commit)

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- Log -----------------------------------------------------------------
commit a5262aad9e203c05eebca9b1ff1331e888a2040b
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=a5262aad9e203c05eebca9b1ff1331e888a2040b
Author: Ethan Jackson <ethan at nicira.com>
		
ofproto-dpif: Fix rule delete deadlock.
		
When doing rule expiration, ofproto_rule_delete__() take the
ofproto_mutex and calls rule_get_stats().  rule_get_stats() can do an
xlate_actions() which may take the ofproto_mutex, causing a deadlock.

Signed-off-by: Ethan Jackson <ethan at nicira.com>
Acked-by: Ben Pfaff <blp at nicira.com>


-----------------------------------------------------------------------

Summary of changes:
 ofproto/ofproto-dpif.c     |   18 ++++++++++++------
 ofproto/ofproto-provider.h |    5 +++--
 ofproto/ofproto.c          |   10 +++++-----
 3 files changed, 20 insertions(+), 13 deletions(-)


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