[ovs-git] Open vSwitch: FAQ: Explain what to do when building against a too-new kernel. (master)

dev at openvswitch.org dev at openvswitch.org
Thu Apr 24 23:03:09 UTC 2014

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       via  88bf179aa3f3fa89822edcd9b882e0f06d39bf08 (commit)
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- Log -----------------------------------------------------------------
commit a7ae938074d1c5e25e484eb7b6aca3f101adea38
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=a7ae938074d1c5e25e484eb7b6aca3f101adea38
Author: Ben Pfaff <blp at nicira.com>
FAQ: Explain what to do when building against a too-new kernel.
Also add references to this FAQ from INSTALL and configure.

Signed-off-by: Ben Pfaff <blp at nicira.com>
Acked-by: Gurucharan Shetty <gshetty at nicira.com>

commit 88bf179aa3f3fa89822edcd9b882e0f06d39bf08
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=88bf179aa3f3fa89822edcd9b882e0f06d39bf08
Author: Alex Wang <alexw at nicira.com>
bfd/cfm: Check status change before update status to database.
This commit adds boolean flag in bfd/cfm module for checking
status change.  If there is no status change, the current
update to OVS database will skip the bfd/cfm session.

In the experiment with 5K bfd sessions, when one session is
flapping at rate of every 0.3 second, this patch reduces the
cpu utilization of the ovs-vswitchd thread from 13 to 6.

Signed-off-by: Alex Wang <alexw at nicira.com>
Acked-by: Joe Stringer <joestringer at nicira.com>


Summary of changes:
 FAQ                        |   35 ++++++++++++++++++++++++++---------
 INSTALL                    |    4 ++++
 acinclude.m4               |    2 +-
 lib/bfd.c                  |   35 ++++++++++++++++++++++++++++++++---
 lib/bfd.h                  |    1 +
 lib/cfm.c                  |   32 ++++++++++++++++++++++++++++++--
 lib/cfm.h                  |    1 +
 ofproto/ofproto-dpif.c     |   37 ++++++++++++++++++++++++++-----------
 ofproto/ofproto-provider.h |   27 +++++++++++++++++----------
 ofproto/ofproto.c          |   30 +++++++++++++++++-------------
 ofproto/ofproto.h          |    6 +++---
 vswitchd/bridge.c          |   16 +++++++++++-----
 12 files changed, 169 insertions(+), 57 deletions(-)

Open vSwitch

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