From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] tcp: two more missing bh disable Date: Thu, 05 May 2016 00:25:49 -0400 (EDT) Message-ID: <20160505.002549.868922626404541926.davem@davemloft.net> References: <1462386131.5535.353.camel@edumazet-glaptop3.roam.corp.google.com> <20160504.170641.134283593327091145.davem@davemloft.net> <1462400849.13075.8.camel@edumazet-glaptop3.roam.corp.google.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:48384 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750702AbcEEEZw (ORCPT ); Thu, 5 May 2016 00:25:52 -0400 In-Reply-To: <1462400849.13075.8.camel@edumazet-glaptop3.roam.corp.google.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Wed, 04 May 2016 15:27:29 -0700 > From: Eric Dumazet > > percpu_counter only have protection against preemption. > > TCP stack uses them possibly from BH, so we need BH protection > in contexts that could be run in process context > > Fixes: c10d9310edf5 ("tcp: do not assume TCP code is non preemptible") > Signed-off-by: Eric Dumazet Applied.