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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 63FA3C43382 for ; Fri, 28 Sep 2018 13:36:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 107882168B for ; Fri, 28 Sep 2018 13:36:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 107882168B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729045AbeI1UAf (ORCPT ); Fri, 28 Sep 2018 16:00:35 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:49792 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726934AbeI1UAf (ORCPT ); Fri, 28 Sep 2018 16:00:35 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 91897ED1; Fri, 28 Sep 2018 06:36:46 -0700 (PDT) Received: from brain-police (usa-sjc-mx-foss1.foss.arm.com [217.140.101.70]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C17E53F5D3; Fri, 28 Sep 2018 06:36:43 -0700 (PDT) Date: Fri, 28 Sep 2018 14:36:40 +0100 From: Will Deacon To: Robin Murphy Cc: joro@8bytes.org, thunder.leizhen@huawei.com, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linuxarm@huawei.com, guohanjun@huawei.com, huawei.libin@huawei.com, john.garry@huawei.com Subject: Re: [PATCH v8 0/7] Add non-strict mode support for iommu-dma Message-ID: <20180928133639.GF1577@brain-police> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 20, 2018 at 05:10:20PM +0100, Robin Murphy wrote: > Hopefully this is the last spin of the series - I've now dropped my light > touch and fixed up all the various prose text, plus implemented the proper > quirk support for short-descriptor because it's actually just a trivial > cut-and-paste job. Did you manage to clarify how the lifetime of the domain/flush queue interacts with the periodic timer after the cookie has been freed? Will