From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: [PATCH v4 1/2] eal: add uevent monitor for hot plug
Date: Sun, 3 Sep 2017 09:16:08 -0700
Message-ID: <20170903091608.7e131380@xeon-e3>
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Cc: bruce.richardson@intel.com, dev@dpdk.org, gaetan.rivet@6wind.com,
 shreyansh.jain@nxp.com, jblunck@infradead.org, helin.zhang@intel.com,
 ferruh.yigit@intel.com, konstantin.ananyev@intel.com, thomas@monjalon.net,
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To: Jeff Guo <jia.guo@intel.com>
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On Sun,  3 Sep 2017 23:49:44 +0800
Jeff Guo <jia.guo@intel.com> wrote:

> +			/**
> +			 * add device uevent file descriptor
> +			 * into wait list for uevent monitoring.
> +			 */
> +			ev.events = EPOLLIN | EPOLLPRI | EPOLLRDHUP | EPOLLHUP;
> +			ev.data.fd = src->intr_handle.uevent_fd;
> +			if (epoll_ctl(pfd, EPOLL_CTL_ADD,
> +					src->intr_handle.uevent_fd, &ev) < 0){
> +				rte_panic("Error adding uevent_fd %d epoll_ctl"
> +					", %s\n",
> +					src->intr_handle.uevent_fd,
> +					strerror(errno));

Panicing a user application under load is not going to make people happy