thx for fixing this,
Acked-by: Alex Wang <al...@nicira.com>
On Mon, Apr 28, 2014 at 9:06 AM, Ben Pfaff <b...@nicira.com> wrote:
> Otherwise the udpif revalidator threads can postpone RCU callbacks
> essentially forever, especially if there are many revalidator threads and
> little network traffic.
>
> Reported-by: Alex Wang <al...@nicira.com>
> Signed-off-by: Ben Pfaff <b...@nicira.com>
> ---
> lib/ovs-thread.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/lib/ovs-thread.c b/lib/ovs-thread.c
> index 3ca686f..f33f5f1 100644
> --- a/lib/ovs-thread.c
> +++ b/lib/ovs-thread.c
> @@ -240,7 +240,10 @@ xpthread_barrier_wait(pthread_barrier_t *barrier)
> {
> int error;
>
> + ovsrcu_quiesce_start();
> error = pthread_barrier_wait(barrier);
> + ovsrcu_quiesce_end();
> +
> if (error && OVS_UNLIKELY(error != PTHREAD_BARRIER_SERIAL_THREAD)) {
> ovs_abort(error, "pthread_barrier_wait failed");
> }
> --
> 1.7.10.4
>
>
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