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=-3.8 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 BC6F2ECE59D for ; Wed, 16 Oct 2019 03:33:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9E10820663 for ; Wed, 16 Oct 2019 03:33:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391043AbfJPDd2 (ORCPT ); Tue, 15 Oct 2019 23:33:28 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:10206 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1730211AbfJPDd2 (ORCPT ); Tue, 15 Oct 2019 23:33:28 -0400 X-UUID: 3011267dac5e401f8c87368b7d50e8e0-20191016 X-UUID: 3011267dac5e401f8c87368b7d50e8e0-20191016 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 147662271; Wed, 16 Oct 2019 11:33:20 +0800 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs01n1.mediatek.inc (172.21.101.68) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Wed, 16 Oct 2019 11:33:17 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Wed, 16 Oct 2019 11:33:16 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Will Deacon CC: Evan Green , Robin Murphy , Tomasz Figa , , , , , , , , Nicolas Boichat , , , , Subject: [PATCH v4 0/7] Improve tlb range flush Date: Wed, 16 Oct 2019 11:33:05 +0800 Message-ID: <1571196792-12382-1-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: v4: 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