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,URIBL_BLOCKED,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 A4296C433C1 for ; Mon, 22 Mar 2021 17:58:17 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AB21A61992 for ; Mon, 22 Mar 2021 17:58:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AB21A61992 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 5E346402C7; Mon, 22 Mar 2021 17:58:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id FW8Imfj_vYxD; Mon, 22 Mar 2021 17:58:15 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [IPv6:2605:bc80:3010:104::8cd3:938]) by smtp2.osuosl.org (Postfix) with ESMTP id 0AE5840143; Mon, 22 Mar 2021 17:58:15 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id E677EC000B; Mon, 22 Mar 2021 17:58:14 +0000 (UTC) Received: from smtp4.osuosl.org (smtp4.osuosl.org [140.211.166.137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 25200C000B for ; Mon, 22 Mar 2021 17:58:13 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 0EB5D4038E for ; Mon, 22 Mar 2021 17:58:13 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 3ipTr4tF-ib8 for ; Mon, 22 Mar 2021 17:58:11 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) by smtp4.osuosl.org (Postfix) with ESMTPS id C422040389 for ; Mon, 22 Mar 2021 17:58:11 +0000 (UTC) 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: , , , 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-Language: en-US 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 Cc: iommu@lists.linux-foundation.org, robin.murphy@arm.com, linux-kernel@vger.kernel.org, linuxarm@huawei.com X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" 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(-) > _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu