From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Howells Subject: Re: [PATCH 16/16] rxrpc: Replace smp_read_barrier_depends() with lockless_dereference() Date: Thu, 13 Nov 2014 23:07:27 +0000 Message-ID: <26069.1415920047@warthog.procyon.org.uk> References: <546528BF.5040902@gmail.com> <1415906662-4576-17-git-send-email-bobby.prani@gmail.com> <1415906662-4576-1-git-send-email-bobby.prani@gmail.com> <24601.1415911646@warthog.procyon.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: dhowells@redhat.com, "David S. Miller" , Dan Carpenter , "open list:NETWORKING [GENERAL]" , open list , paulmck@linux.vnet.ibm.com To: Pranith Kumar Return-path: In-Reply-To: <546528BF.5040902@gmail.com> Content-ID: <26068.1415920047.1@warthog.procyon.org.uk> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Pranith Kumar wrote: > OK. Should I send in a patch removing these barriers then? No. There need to be stronger barriers, at least in some of the cases. circular-buffers.txt details what is required, but not all of the cases match the pattern there, so it needs a bit more consideration. David