[ovs-git] Open vSwitch: ofproto-dpif-xlate: Implement RCU locking in ofproto-dpif-xlate. (master)

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- Log -----------------------------------------------------------------
commit 84f0f298298465f9bd6f7e794b671587e4556503
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=84f0f298298465f9bd6f7e794b671587e4556503
Author: Ryan Wilson <wryan at nicira.com>
		
ofproto-dpif-xlate: Implement RCU locking in ofproto-dpif-xlate.
		
Before, a global read-write lock protected the ofproto-dpif
/ ofproto-dpif-xlate interface.  Handler and revalidator threads
had to wait while configuration was being changed.  This patch
implements RCU locking which allows handlers and revalidators
to operate while configuration is being updated.

Signed-off-by: Ryan Wilson <wryan at nicira.com>
Acked-by: Alex Wang <alexw at nicira.com>
Acked-by: Ethan Jackson <ethan at nicira.com>
Signed-off-by: Alex Wang <alexw at nicira.com>


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

Summary of changes:
 ofproto/ofproto-dpif-xlate.c |  570 ++++++++++++++++++++++++++++++++----------
 ofproto/ofproto-dpif-xlate.h |   24 +-
 ofproto/ofproto-dpif.c       |   16 +-
 ofproto/ofproto-dpif.h       |    5 +-
 4 files changed, 456 insertions(+), 159 deletions(-)


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