+Cc Dave, the maintainer
> > Interrupt will not be received when disabling RX interrupt without
> > synchronization mechanism sometimes which leads to wake up issue,
> > add spinlock to fix it.
> >
> > Fixes: b736d64787fc ("mples/l3fwd-power: disable Rx interrupt when
> > waking up")
> > Cc: sta...@dpdk.org
> >
> > Signed-off-by: Xiao Zhang <xiao.zh...@intel.com>
> > ---
> > examples/l3fwd-power/main.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
> > index fd8d952..ff1ad37 100644
> > --- a/examples/l3fwd-power/main.c
> > +++ b/examples/l3fwd-power/main.c
> > @@ -880,7 +880,9 @@ sleep_until_rx_interrupt(int num)
> > port_id = ((uintptr_t)data) >> CHAR_BIT;
> > queue_id = ((uintptr_t)data) &
> > RTE_LEN2MASK(CHAR_BIT, uint8_t);
> > + rte_spinlock_lock(&(locks[port_id]));
> > rte_eth_dev_rx_intr_disable(port_id, queue_id);
> > + rte_spinlock_unlock(&(locks[port_id]));
> > RTE_LOG(INFO, L3FWD_POWER,
> > "lcore %u is waked up from rx interrupt on"
> > " port %d queue %d\n",
> > --
> > 2.7.4
>
> Reviewed-by: Marvin Liu <yong....@intel.com>