From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762444AbYDVOrw (ORCPT ); Tue, 22 Apr 2008 10:47:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753572AbYDVOrn (ORCPT ); Tue, 22 Apr 2008 10:47:43 -0400 Received: from bzq-179-150-194.static.bezeqint.net ([212.179.150.194]:35066 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752790AbYDVOrl (ORCPT ); Tue, 22 Apr 2008 10:47:41 -0400 Message-ID: <480DFA8A.1050003@qumranet.com> Date: Tue, 22 Apr 2008 17:47:38 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Peter Zijlstra CC: Jens Axboe , linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, npiggin@suse.de, torvalds@linux-foundation.org Subject: Re: [PATCH 1/11] Add generic helpers for arch IPI function calls References: <1208851058-8500-1-git-send-email-jens.axboe@oracle.com> <1208851058-8500-2-git-send-email-jens.axboe@oracle.com> <480DACDD.7040108@qumranet.com> <20080422092230.GW12774@kernel.dk> <20080422111403.GX12774@kernel.dk> <1208869254.7115.258.camel@twins> <20080422142543.GG12774@kernel.dk> <480DF861.6000705@qumranet.com> <1208875437.7115.271.camel@twins> In-Reply-To: <1208875437.7115.271.camel@twins> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Peter Zijlstra wrote: >> Perhaps we need a new flag for failable async IPIs (or better, API). >> I'm pretty sure no one uses s_c_f_s() from irq disabled context on x86, >> since it will WARN_ON(irqs_disabled()). >> > > Yeah, no current users, but that doesn't say I don't want to add new > ones ;- I suggest having a new API for that, I dislike long tails of flag arguments. smp_call_function_single_async()? -- error compiling committee.c: too many arguments to function