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Date: Mon, 03 Dec 2012 13:49:18 -0500 (EST) From: David Miller <davem@...emloft.net> To: jasowang@...hat.com Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, jslaby@...e.cz Subject: Re: [PATCH net-next] tuntap: attach queue 0 before registering netdevice From: Jason Wang <jasowang@...hat.com> Date: Mon, 3 Dec 2012 11:19:45 +0800 > We attach queue 0 after registering netdevice currently. This leads to call > netif_set_real_num_{tx|rx}_queues() after registering the netdevice. Since we > allow tun/tap has a maximum of 1024 queues, this may lead a huge number of > uevents to be injected to userspace since we create 2048 kobjects and then > remove 2046. Solve this problem by attaching queue 0 and set the real number of > queues before registering netdevice. > > Reported-by: Jiri Slaby <jslaby@...e.cz> > Tested-by: Jiri Slaby <jslaby@...e.cz> > Signed-off-by: Jason Wang <jasowang@...hat.com> Applied, thanks Jason. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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