> -----Original Message-----
> From: Zhang, Xiao
> Sent: Wednesday, September 11, 2019 12:10 AM
> To: dev@dpdk.org
> Cc: Liu, Yong <yong....@intel.com>; Zhang, Xiao <xiao.zh...@intel.com>;
> sta...@dpdk.org
> Subject: examples/l3fwd-power: fix RX interrupt disable
>
> 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>
Regards,
Marvin
