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=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 1638AC4727F for ; Fri, 25 Sep 2020 09:56:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B65F221D91 for ; Fri, 25 Sep 2020 09:56:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727911AbgIYJ4F (ORCPT ); Fri, 25 Sep 2020 05:56:05 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:38734 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727495AbgIYJ4B (ORCPT ); Fri, 25 Sep 2020 05:56:01 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id CF78663B340DED11E1FA; Fri, 25 Sep 2020 17:55:56 +0800 (CST) Received: from localhost.localdomain (10.69.192.58) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Fri, 25 Sep 2020 17:55:47 +0800 From: John Garry To: , CC: , , , , , , John Garry Subject: [PATCH 0/2] iommu/iova: Solve longterm IOVA issue Date: Fri, 25 Sep 2020 17:51:07 +0800 Message-ID: <1601027469-221812-1-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 2.8.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.69.192.58] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series contains a patch to solve the longterm IOVA issue which leizhen originally tried to address at [0]. I also included the small optimisation from Cong Wang, which never seems to be have been accepted [1]. There was some debate of the other patches in that series, but this one is quite straightforward. @Cong Wang, Please resend your series if prefer I didn't upstream your patch. [0] https://lore.kernel.org/linux-iommu/20190815121104.29140-3-thunder.leizhen@huawei.com/ [1] https://lore.kernel.org/linux-iommu/4b74d40a-22d1-af53-fcb6-5d70183705a8@huawei.com/ Cong Wang (1): iommu: avoid taking iova_rbtree_lock twice John Garry (1): iommu/iova: Flush CPU rcache for when a depot fills drivers/iommu/iova.c | 33 ++++++++++++++++++++++----------- 1 file changed, 22 insertions(+), 11 deletions(-) -- 2.26.2