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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, 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 DECCBC433E1 for ; Mon, 22 Mar 2021 17:58:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AC13761874 for ; Mon, 22 Mar 2021 17:58:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231187AbhCVR62 (ORCPT ); Mon, 22 Mar 2021 13:58:28 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]:2728 "EHLO frasgout.his.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231317AbhCVR6K (ORCPT ); Mon, 22 Mar 2021 13:58:10 -0400 Received: from fraeml711-chm.china.huawei.com (unknown [172.18.147.207]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4F42B73Xq5z6829K; Tue, 23 Mar 2021 01:51:43 +0800 (CST) Received: from lhreml724-chm.china.huawei.com (10.201.108.75) by fraeml711-chm.china.huawei.com (10.206.15.60) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 22 Mar 2021 18:58:08 +0100 Received: from [10.210.167.192] (10.210.167.192) by lhreml724-chm.china.huawei.com (10.201.108.75) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Mon, 22 Mar 2021 17:58:07 +0000 Subject: Re: [PATCH 0/3] iommu/iova: Add CPU hotplug handler to flush rcaches to core code To: , , , CC: , , , References: <1614600741-15696-1-git-send-email-john.garry@huawei.com> From: John Garry Message-ID: <7ff533de-d9da-6325-4275-79951fa5657c@huawei.com> Date: Mon, 22 Mar 2021 17:55:53 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.1.2 MIME-Version: 1.0 In-Reply-To: <1614600741-15696-1-git-send-email-john.garry@huawei.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.210.167.192] X-ClientProxiedBy: lhreml718-chm.china.huawei.com (10.201.108.69) To lhreml724-chm.china.huawei.com (10.201.108.75) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/03/2021 12:12, John Garry wrote: > The Intel IOMMU driver supports flushing the per-CPU rcaches when a CPU is > offlined. > > Let's move it to core code, so everyone can take advantage. > > Also correct a code comment. > > Based on v5.12-rc1. Tested on arm64 only. Hi guys, Friendly reminder ... Thanks John > > John Garry (3): > iova: Add CPU hotplug handler to flush rcaches > iommu/vt-d: Remove IOVA domain rcache flushing for CPU offlining > iova: Correct comment for free_cpu_cached_iovas() > > drivers/iommu/intel/iommu.c | 31 ------------------------------- > drivers/iommu/iova.c | 32 ++++++++++++++++++++++++++++++-- > include/linux/cpuhotplug.h | 2 +- > include/linux/iova.h | 1 + > 4 files changed, 32 insertions(+), 34 deletions(-) >