From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934484Ab3DJT2H (ORCPT ); Wed, 10 Apr 2013 15:28:07 -0400 Received: from he.sipsolutions.net ([78.46.109.217]:32797 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752175Ab3DJT2G (ORCPT ); Wed, 10 Apr 2013 15:28:06 -0400 Message-ID: <1365622074.4235.37.camel@jlt4.sipsolutions.net> Subject: Re: [PATCH 06/18] compat: backport ASYNC_DOMAIN_EXCLUSIVE() From: Johannes Berg To: "Luis R. Rodriguez" Cc: "backports@vger.kernel.org" , Dan Williams , "linux-kernel@vger.kernel.org" Date: Wed, 10 Apr 2013 21:27:54 +0200 In-Reply-To: (sfid-20130410_212018_257275_49D74B5B) References: <1365593728-5720-1-git-send-email-mcgrof@do-not-panic.com> <1365593728-5720-7-git-send-email-mcgrof@do-not-panic.com> <1365600139.4235.4.camel@jlt4.sipsolutions.net> <1365614413.4235.29.camel@jlt4.sipsolutions.net> <1365618018.4235.35.camel@jlt4.sipsolutions.net> (sfid-20130410_212018_257275_49D74B5B) Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.3-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2013-04-10 at 12:19 -0700, Luis R. Rodriguez wrote: > > However, it seems entirely pointless to backport just a small part of > > the API? > > Oh I agree don't get me wrong, however porting kernel/async.c seems > like a rather separate effort worth considering. As-is though I have > not seen any negative impact though to keep older subsystems from > compiling, ie its a no-op for older kernels as I see it. I guess that's what I don't understand -- I don't see usages of ASYNC_DOMAIN_EXCLUSIVE in any header files, and in e.g. regulator/core.c you'd also need the functions async_schedule_domain() etc. So where does this help even compiling? johannes