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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no 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 241BECA9ECF for ; Mon, 4 Nov 2019 07:01:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0191022467 for ; Mon, 4 Nov 2019 07:01:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727877AbfKDHB1 (ORCPT ); Mon, 4 Nov 2019 02:01:27 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:62334 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726441AbfKDHB1 (ORCPT ); Mon, 4 Nov 2019 02:01:27 -0500 X-UUID: d24b734281444918b8fb31d13f0c5550-20191104 X-UUID: d24b734281444918b8fb31d13f0c5550-20191104 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 870836612; Mon, 04 Nov 2019 15:01:18 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 4 Nov 2019 15:01:15 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 4 Nov 2019 15:01:14 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Will Deacon CC: Evan Green , Robin Murphy , Tomasz Figa , , , , , , , , Nicolas Boichat , , , , Subject: [PATCH v5 0/7] Improve tlb range flush Date: Mon, 4 Nov 2019 15:01:01 +0800 Message-ID: <1572850868-22315-1-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patchset mainly fixes a tlb flush timeout issue and use the new iommu_gather to re-implement the tlb flush flow. and several clean up patches about the tlb_flush. change note: v5: No code change. Only update the commit message of the last patch[7/7] suggested from Tomasz in the internal review. v4: https://lore.kernel.org/linux-iommu/1571196792-12382-1-git-send-email-yong.wu@mediatek.com/#t 1. Add a new tlb_lock for tlb operations. 2. Delete the pgtlock. 3. Remove the "writel" patch. v3: https://lore.kernel.org/linux-iommu/1571035101-4213-1-git-send-email-yong.wu@mediatek.com/T/#t 1. Use the gather to implement the tlb_flush suggested from Tomasz. 2. add some clean up patches. v2: https://lore.kernel.org/linux-iommu/1570627143-29441-1-git-send-email-yong.wu@mediatek.com/T/#t 1. rebase on v5.4-rc1 2. only split to several patches. v1: https://lore.kernel.org/linux-iommu/CAAFQd5C3U7pZo4SSUJ52Q7E+0FaUoORQFbQC5RhCHBhi=NFYTw@mail.gmail.com/T/#t Yong Wu (7): iommu/mediatek: Correct the flush_iotlb_all callback iommu/mediatek: Add a new tlb_lock for tlb_flush iommu/mediatek: Use gather to achieve the tlb range flush iommu/mediatek: Delete the leaf in the tlb_flush iommu/mediatek: Move the tlb_sync into tlb_flush iommu/mediatek: Get rid of the pgtlock iommu/mediatek: Reduce the tlb flush timeout value drivers/iommu/mtk_iommu.c | 88 +++++++++++++++-------------------------------- drivers/iommu/mtk_iommu.h | 2 +- 2 files changed, 29 insertions(+), 61 deletions(-) -- 1.9.1