From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] bnx2: Use dev_kfree_skb_any() in bnx2_tx_int() Date: Wed, 30 Oct 2013 17:32:00 -0400 (EDT) Message-ID: <20131030.173200.2256841895208134119.davem@davemloft.net> References: <20131030.024003.1476890051483056287.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: tdmackey@booleanhaiku.com, mchan@broadcom.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: xiyou.wangcong@gmail.com Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Cong Wang Date: Wed, 30 Oct 2013 12:23:52 -0700 > On Tue, Oct 29, 2013 at 11:40 PM, David Miller wrote: >> From: Cong Wang >> Date: Tue, 29 Oct 2013 20:50:08 -0700 >> >>> Normally ->poll() is called in softirq context, while netpoll could >>> be called in any context depending on its caller. >> >> It still makes amends to make the execution context still looks >> "compatible" as far as locking et al. is concerned. > > Adjusting netpoll code for IRQ context is much harder > than just calling dev_kfree_skb_any()... > > What's more, we have similar change before: > > commit ed79bab847d8e5a2986d8ff43c49c6fb8ee3265f > Author: Eric Dumazet > Date: Wed Oct 14 14:36:43 2009 +0000 > > virtio_net: use dev_kfree_skb_any() in free_old_xmit_skbs() Explain to me then why other ethernet drivers implemented identically, such as tg3, can use plain dev_kfree_skb() just fine?