From: Han Zhou <hz...@ovn.org>
In theory it is possible that ovn-controller tried to install flows by
calling ofctrl_put() while ofctrl is at a state other than
S_UPDATE_FLOWS thus not able to install. So, when entering S_UPDATE_FLOWS,
we should immediately wakeup the main loop so that any pending flows
can be installed without being delayed.
Signed-off-by: Han Zhou <hz...@ovn.org>
---
controller/ofctrl.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/controller/ofctrl.c b/controller/ofctrl.c
index c0a04ec50..72707baf9 100644
--- a/controller/ofctrl.c
+++ b/controller/ofctrl.c
@@ -644,6 +644,10 @@ run_S_CLEAR_FLOWS(void)
}
state = S_UPDATE_FLOWS;
+
+ /* Give a chance for the main loop to call ofctrl_put() in case there were
+ * pending flows waiting ofctrl state change to S_UPDATE_FLOWS. */
+ poll_immediate_wake();
}
static void
--
2.37.1
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