From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [RFC][PATCH 2/9] deadlock prevention core Date: Tue, 08 Aug 2006 15:10:20 -0700 (PDT) Message-ID: <20060808.151020.94555184.davem@davemloft.net> References: <20060808193325.1396.58813.sendpatchset@lappy> <20060808193345.1396.16773.sendpatchset@lappy> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, phillips@google.com Return-path: To: a.p.zijlstra@chello.nl In-Reply-To: <20060808193345.1396.16773.sendpatchset@lappy> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org I think the new atomic operation that will seemingly occur on every device SKB free is unacceptable. You also cannot modify netdev->flags in the lockless manner in which you do, it must be done with the appropriate locking, such as holding the RTNL semaphore.