Received: by 2002:a05:6a10:9848:0:0:0:0 with SMTP id x8csp246387pxf; Wed, 31 Mar 2021 02:15:16 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz4igf0ASs8RE+CN5uWbZKUKEWgRVBd6gQCsmlQhapxAEptkP0CoEU4c+ZDnUcrzx3LYe47 X-Received: by 2002:aa7:c551:: with SMTP id s17mr2466227edr.291.1617182116549; Wed, 31 Mar 2021 02:15:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1617182116; cv=none; d=google.com; s=arc-20160816; b=xeVLptZPYCLT4EJYF16lESpNb8hm5g9gSSbWuln6yXCY9o7CEPv9WdqkobbtNg4FS6 9s4/z5+rHQo5NpecjuKRA9E+BKlTXfALVnPrCQnGQfqsaFUPArLWA8jtVLc0Onkd4Sdg 05fVEHuqPlzjjMKtHBoBSDR+jfwLl7cw+VS9zH9zJKXBsT8cakAZqRgP2XkRcD4ATLWg jS9mZ5hXLxcUNmj+vnEKJSUbhU+Wi+KQZhtDsTVALxXjkzJ8BqSAvL9vM2G8ozcVccRZ FZZMQodhj5Ldxd3aFZiOzTBalOZcgbkcJZ8cjV4MwbYxSSLh/DCFMEHA8M2lJPNjQFiV fqyQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to :mime-version:user-agent:date:message-id:from:cc:references:to :subject; bh=RW8DuVbnV9S6zOzmoR5VUK747+VmzdwEuXI4Om5ne+w=; b=sDLtagbnS9zawJFS55AC1VHDvtXKZorGsQuX+KovyFwcxIWOUlt+iv1L2mVZJPfgge /5K4jRJ0sRudXGyBrvKRavLRMZPN9Pbnt1RWRkbq1hHAu6Hq373ijEjm/wbhiKcjBZpv e8YlvD/BpMd/Z4QsmGhbs9Fzr7EPEKs5K0mnp7kUJVAKOcoOvJmH/X0qbVHgb3oibNMN kKocM+gdtwsKGJ78PkEoGMktSr26v/B+kQWOyUjaLfFsXFYSlWaIItS1rWXLaJlJw0MX SOcTf+vy2Hcc3Z29JEa5dMIixGD4VeEYyHWR9SlU1voQmreDsOc8/SVx+BYvTIJiX7s3 ERyA== 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u10si1148035ejm.177.2021.03.31.02.14.53; Wed, 31 Mar 2021 02:15:16 -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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234534AbhCaJN5 (ORCPT + 99 others); Wed, 31 Mar 2021 05:13:57 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:15833 "EHLO szxga07-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230385AbhCaJNc (ORCPT ); Wed, 31 Mar 2021 05:13:32 -0400 Received: from DGGEMS405-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga07-in.huawei.com (SkyGuard) with ESMTP id 4F9LCc41hqz9tpr; Wed, 31 Mar 2021 17:11:24 +0800 (CST) Received: from [10.174.184.42] (10.174.184.42) by DGGEMS405-HUB.china.huawei.com (10.3.19.205) with Microsoft SMTP Server id 14.3.498.0; Wed, 31 Mar 2021 17:13:20 +0800 Subject: Re: [RFC PATCH v2 0/2] kvm/arm64: Try stage2 block mapping for host device MMIO To: , , , , Will Deacon , Marc Zyngier References: <20210316134338.18052-1-zhukeqian1@huawei.com> CC: Catalin Marinas , Mark Rutland , James Morse , Suzuki K Poulose , Julien Thierry , , , , From: Keqian Zhu Message-ID: <1870563d-4da8-60d6-22e4-242ac820f5ba@huawei.com> Date: Wed, 31 Mar 2021 17:13:19 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.7.1 MIME-Version: 1.0 In-Reply-To: <20210316134338.18052-1-zhukeqian1@huawei.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.184.42] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kind ping... On 2021/3/16 21:43, Keqian Zhu wrote: > Hi all, > > We have two pathes to build stage2 mapping for MMIO regions. > > Create time's path and stage2 fault path. > > Patch#1 removes the creation time's mapping of MMIO regions > Patch#2 tries stage2 block mapping for host device MMIO at fault path > > Thanks, > Keqian > > Keqian Zhu (2): > kvm/arm64: Remove the creation time's mapping of MMIO regions > kvm/arm64: Try stage2 block mapping for host device MMIO > > arch/arm64/kvm/mmu.c | 80 +++++++++++++++++++++++--------------------- > 1 file changed, 41 insertions(+), 39 deletions(-) >