From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753009Ab3JERit (ORCPT ); Sat, 5 Oct 2013 13:38:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:27745 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752472Ab3JERir (ORCPT ); Sat, 5 Oct 2013 13:38:47 -0400 Date: Sat, 5 Oct 2013 19:31:36 +0200 From: Oleg Nesterov To: Peter Zijlstra Cc: "Paul E. McKenney" , Mel Gorman , Rik van Riel , Srikar Dronamraju , Ingo Molnar , Andrea Arcangeli , Johannes Weiner , Thomas Gleixner , Steven Rostedt , Linus Torvalds , linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] rcu: Create rcu_sync infrastructure Message-ID: <20131005173136.GC18191@redhat.com> References: <20131004111513.GA5699@redhat.com> <20131004114442.GJ3081@twins.programming.kicks-ass.net> <20131004121300.GA7725@redhat.com> <20131004123806.GK3081@twins.programming.kicks-ass.net> <20131004133135.GA11097@redhat.com> <20131004144319.GM3081@twins.programming.kicks-ass.net> <20131004151323.GA16440@redhat.com> <20131004162546.GQ3081@twins.programming.kicks-ass.net> <20131004190653.GA17639@redhat.com> <20131004194126.GW15690@laptop.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20131004194126.GW15690@laptop.programming.kicks-ass.net> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/04, Peter Zijlstra wrote: > > On Fri, Oct 04, 2013 at 09:06:53PM +0200, Oleg Nesterov wrote: > > However, yes-yes-yes, I do think that we need the non-exclusive mode > > too, at least for percpu_down_write_nonexclusive() which I think we > > need as well. > > I just need to disagree with the write_nonexclusive() name; the > construct I quite understand and could even agree with. > > How about something like: I am fine either way ;) > At which point I start to have doubts about the percpu prefix.. ;-) Yes... and "percpu" just refers to implementation details, this is pointless. Oleg.