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=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 D819EC10DCE for ; Thu, 12 Mar 2020 08:20:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BBC32206FA for ; Thu, 12 Mar 2020 08:20:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726467AbgCLIUR (ORCPT ); Thu, 12 Mar 2020 04:20:17 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:45756 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725978AbgCLIUR (ORCPT ); Thu, 12 Mar 2020 04:20:17 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id C0638E51DBA77F9B6D9A; Thu, 12 Mar 2020 16:20:13 +0800 (CST) Received: from [127.0.0.1] (10.173.222.27) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Thu, 12 Mar 2020 16:20:03 +0800 Subject: Re: [PATCH v5 13/23] irqchip/gic-v4.1: Move doorbell management to the GICv4 abstraction layer To: Marc Zyngier , , , , CC: Lorenzo Pieralisi , Jason Cooper , Robert Richter , "Thomas Gleixner" , Eric Auger , "James Morse" , Julien Thierry , Suzuki K Poulose References: <20200304203330.4967-1-maz@kernel.org> <20200304203330.4967-14-maz@kernel.org> From: Zenghui Yu Message-ID: Date: Thu, 12 Mar 2020 16:20:01 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.2.0 MIME-Version: 1.0 In-Reply-To: <20200304203330.4967-14-maz@kernel.org> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.173.222.27] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020/3/5 4:33, Marc Zyngier wrote: > In order to hide some of the differences between v4.0 and v4.1, move > the doorbell management out of the KVM code, and into the GICv4-specific > layer. This allows the calling code to ask for the doorbell when blocking, > and otherwise to leave the doorbell permanently disabled. > > This matches the v4.1 code perfectly, and only results in a minor > refactoring of the v4.0 code. > > Signed-off-by: Marc Zyngier Reviewed-by: Zenghui Yu Thanks