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: b736d64787 ("examples/l3fwd-power: disable Rx interrupt when waking up")
Cc: stable@dpdk.org
Signed-off-by: Xiao Zhang <xiao.zhang@intel.com>
Reviewed-by: Marvin Liu <yong.liu@intel.com>
Acked-by: David Hunt <david.hunt@intel.com>
0412cfeff9