From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: [PATCH] tun: use netif_receive_skb instead of netif_rx_ni Date: Wed, 12 Feb 2014 13:50:53 +0800 Message-ID: <52FB0BBD.7060303@redhat.com> References: <52FA32C5.9040601@huawei.com> <52FB066E.1020006@redhat.com> <1392184074.1752.2.camel@edumazet-glaptop2.roam.corp.google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Qin Chuanyu , davem@davemloft.net, "Michael S. Tsirkin" , Anthony Liguori , KVM list , netdev@vger.kernel.org To: Eric Dumazet Return-path: In-Reply-To: <1392184074.1752.2.camel@edumazet-glaptop2.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 02/12/2014 01:47 PM, Eric Dumazet wrote: > On Wed, 2014-02-12 at 13:28 +0800, Jason Wang wrote: > >> A question: without NAPI weight, could this starve other net devices? > Not really, as net devices are serviced by softirq handler. > > Yes, then the issue is tun could be starved by other net devices.