From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70A93C4321E for ; Mon, 10 Sep 2018 07:30:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B83C206BB for ; Mon, 10 Sep 2018 07:30:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1B83C206BB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727808AbeIJMXb (ORCPT ); Mon, 10 Sep 2018 08:23:31 -0400 Received: from smtp2200-217.mail.aliyun.com ([121.197.200.217]:48760 "EHLO smtp2200-217.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727584AbeIJMXb (ORCPT ); Mon, 10 Sep 2018 08:23:31 -0400 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.08141791|-1;CH=green;FP=0|0|0|0|0|-1|-1|-1;HT=e02c03273;MF=ren_guo@c-sky.com;NM=1;PH=DS;RN=11;RT=11;SR=0;TI=SMTPD_---.CoocMlg_1536564640; Received: from localhost(mailfrom:ren_guo@c-sky.com fp:SMTPD_---.CoocMlg_1536564640) by smtp.aliyun-inc.com(10.147.41.120); Mon, 10 Sep 2018 15:30:41 +0800 Date: Mon, 10 Sep 2018 15:30:39 +0800 From: Guo Ren To: Thomas Gleixner Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, daniel.lezcano@linaro.org, jason@lakedaemon.net, arnd@arndb.de, c-sky_gcc_upstream@c-sky.com, gnu-csky@mentor.com, thomas.petazzoni@bootlin.com, wbx@uclibc-ng.org, green.hu@gmail.com Subject: Re: [PATCH V3 10/26] csky: IRQ handling Message-ID: <20180910073039.GA4022@guoren-Inspiron-7460> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 06, 2018 at 03:39:01PM +0200, Thomas Gleixner wrote: > On Wed, 5 Sep 2018, Guo Ren wrote: > > > +static void (*handle_arch_irq)(struct pt_regs *regs) = NULL; > > + > > +void __init set_handle_irq(void (*handle_irq)(struct pt_regs *)) > > +{ > > + if (handle_arch_irq) > > + return; > > + > > + handle_arch_irq = handle_irq; > > +} > > Please don't introduce yet another variant of that. Please use > CONFIG_GENERIC_IRQ_MULTI_HANDLER which provides that in the generic code. Ok. > > Btw, some of your patches have tab vs. space inconsistencies, e.g. > > + siginfo_t info; > + int fault; > + unsigned long address = mmu_meh & PAGE_MASK Thx, I'll re-check. Best Regards Guo Ren