Re: [PATCH net-next v4 5/7] eventpoll: Control irq suspension for prefer_busy_poll

[Hillf Danton]

On Sat,  2 Nov 2024 00:52:01 +0000 Martin Karsten <mkarsten@xxxxxxxxxxxx>
> 
> @@ -2005,8 +2032,10 @@ static int ep_poll(struct eventpoll *ep, struct epoll_event __user *events,
>  			 * trying again in search of more luck.
>  			 */
>  			res = ep_send_events(ep, events, maxevents);
> -			if (res)
> +			if (res) {
> +				ep_suspend_napi_irqs(ep);

Leave napi irq intact in case of -EINTR.

>  				return res;
> +			}
>  		}
>  
>  		if (timed_out)
> -- 
> 2.25.1