Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp195461ybv; Wed, 19 Feb 2020 19:23:04 -0800 (PST) X-Google-Smtp-Source: APXvYqw7mVryVt7C6LmMTBMrx9afzPqQpYSEhRgU43kbHjFgSioSKx4RWe93FokaZDGZvaX32suw X-Received: by 2002:a9d:7357:: with SMTP id l23mr21170528otk.10.1582168983937; Wed, 19 Feb 2020 19:23:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582168983; cv=none; d=google.com; s=arc-20160816; b=olTolOLmo1xmuxJ6N1RQGzwvmJUEn/SDglTjnTmJto6x+le4gnbtzXEKUCjp1MRO5w infCZuWLVJGD7XPUHd8zvosbN9eqtjnTEAobBfWlMhiP0M3qn87W+f641pUeSRznysbQ DPA4gQJii4EGC1pTr94/o7HQfdref1eDltNHec5R/+3Iol5eVHa4pW3dzUbsJJhvLasV CcNSJcqvpa9iosNRE3A9D/RYIhTTCn46v0XWJHbLaVwXaRnLr6LvseqB+4D6MQ8bvnJV IsMC+TQsLSB2ta0Jik40MEn6ijouAgvhIoQ4OjH5J1GouUk2HZXakjt6QZHgYBk7fqlQ kgmA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=km07B8ZZXIf2dfg2qkqUnF1Qxcv191M5NlEktmg2gnE=; b=bzgbiCTXNRuE4ZNnH126cmco9wGLa/pwJY2okIMUPfAlnpwiv4CeE0JO4SCrEnYJpC 8hG+L681Nq3LB5oPplQqqFWRYy23LcZuKq/t7pX2utEmZq2hQN2HiVcw5/lKZJ+VMJJq Yx8LqQFli7wagV3zIwPyS2boytEhBVcPq9rHMH3nKrsII5/lUHnEDnW9b8uMX8FqbAA8 j5Qu4WXbkxKMJN95OK8FblcZ/BEMM5b1DvQbmGroqTpT65uPnriir9Gmt74oXgAq3EQq G9vv3ZntofLZyJrCqrvodgyIiVHMjUxlgaNDO094/dzDTLWjAE1Of2aOqzY7hsDJdKdr s9qg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id u12si10414538oiv.13.2020.02.19.19.22.50; Wed, 19 Feb 2020 19:23:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727912AbgBTDVz (ORCPT + 99 others); Wed, 19 Feb 2020 22:21:55 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:46696 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727208AbgBTDVy (ORCPT ); Wed, 19 Feb 2020 22:21:54 -0500 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 8EB969452846FC500A28; Thu, 20 Feb 2020 11:21:52 +0800 (CST) Received: from [127.0.0.1] (10.173.222.27) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.439.0; Thu, 20 Feb 2020 11:21:44 +0800 Subject: Re: [PATCH v4 05/20] irqchip/gic-v4.1: Plumb skeletal VSGI irqchip To: Marc Zyngier , , , , CC: Lorenzo Pieralisi , Jason Cooper , Robert Richter , "Thomas Gleixner" , Eric Auger , "James Morse" , Julien Thierry , Suzuki K Poulose References: <20200214145736.18550-1-maz@kernel.org> <20200214145736.18550-6-maz@kernel.org> From: Zenghui Yu Message-ID: Date: Thu, 20 Feb 2020 11:21:43 +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: <20200214145736.18550-6-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 2020/2/14 22:57, Marc Zyngier wrote: > Since GICv4.1 has the capability to inject 16 SGIs into each VPE, > and that I'm keen not to invent too many specific interfaces to > manupulate these interrupts, let's pretend that each of these SGIs manipulate? > is an actual Linux interrupt. > > For that matter, let's introduce a minimal irqchip and irqdomain > setup that will get fleshed up in the following patches. > > Signed-off-by: Marc Zyngier Reviewed-by: Zenghui Yu