Received: by 2002:a05:6a10:a0d1:0:0:0:0 with SMTP id j17csp520790pxa; Fri, 14 Aug 2020 10:12:49 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzoFy9fBdo9eQeYIkNJyAvZTyu7rcePcn5V8NxTa2TCVxo/kaY5J3A5FRD+blzMtSLeelgp X-Received: by 2002:a17:906:4081:: with SMTP id u1mr3354141ejj.268.1597425169441; Fri, 14 Aug 2020 10:12:49 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1597425169; cv=none; d=google.com; s=arc-20160816; b=Lc6tJ0VeEjMjxhqr4xMfuyQoHyrguxXDPR7UwQcTUcb8L5YWBfaHUNiahNUsptjXZU bB4Dwa28KVOwOUcGwBJyDc/rX+KsGNDAgXRBaBzs/v8m1hZ7BqIK6nsSIWYFE82LkD7G gIaPQ7QAzNPHs0fKkg4zY8k0XzgTVsWwb/NI38dnj6LMKj7w3GHIp+GfU5inV0h33iin z235Fq+oCWEXj/128aFKtjzfbKzvXM/SzJiV5z9fR2ISz0V+u4nyZUIkdUWsKouDLy2l X7l7LkGRnbFtEO756oEYkLrb4iCWJBiuLfL/DyiUAfv/4MA4ed5gaY06d3gJmDztBe2v Qx4g== 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:mime-version:user-agent:date:message-id:subject :from:cc:to; bh=g3QwMyZZDmqhmnconHJzLWZzHdVFYiPZjh5GihnfSPc=; b=NHa7i5DDP4ZuC+IftRGGknDrpgKDBewuB7dKYLf44Lnjg8oZnVl1ib8SyC19LCAUQK qTeaGQaesdkMRsGXxINWXlc12a93I3jHI1Ti3jhrnxZ6Hjmihmw2z4Hzbzm1Kga2P6S5 63b3B4Sef3qvq+Me9p3vyP8a7nVjVUkEiSTwxIWRXO09ckSrBTnEnt4E2vgx84zd+dHs dFVNTMhj9o0HvF1Vpgn3Rze32giwJU09m52iUhWi9DlM6JGhzWbnN1OMJYhK1If1UTMP 5GFQAzEx3If7ECDCaILTaNAEzyX+B+GJpCkHBui7WJ5RT7mGnF9M6g6ixKFS+cnqclDL YF/g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 17si5624734ejw.686.2020.08.14.10.12.26; Fri, 14 Aug 2020 10:12:49 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728360AbgHNRKX (ORCPT + 99 others); Fri, 14 Aug 2020 13:10:23 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:3015 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726270AbgHNRKX (ORCPT ); Fri, 14 Aug 2020 13:10:23 -0400 Received: from dggeme755-chm.china.huawei.com (unknown [172.30.72.53]) by Forcepoint Email with ESMTP id 39AA4C23FCB17C1C9D5E; Sat, 15 Aug 2020 01:10:21 +0800 (CST) Received: from [10.140.157.78] (10.140.157.78) by dggeme755-chm.china.huawei.com (10.3.19.101) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1913.5; Sat, 15 Aug 2020 01:10:20 +0800 To: CC: , From: Dongjiu Geng Subject: Adjust interrupt Priority for ARM64 GIC Message-ID: <5a6e65cf-d2fe-0107-2318-0e3c81d57000@huawei.com> Date: Sat, 15 Aug 2020 01:10:20 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.140.157.78] X-ClientProxiedBy: dggeme711-chm.china.huawei.com (10.1.199.107) To dggeme755-chm.china.huawei.com (10.3.19.101) X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Marc, In the Linux kernel, we can not adjust the interrupt Priority, For all the interrupts, the interrupt Priority are fixed to 0xa0. In some scenarios, it needs to change the Priority. so I want to upstream a serie patch to support to change the Priority through procfs. do you agree I upstream this feature? thanks~