Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp1191865pxk; Fri, 4 Sep 2020 03:12:00 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxJ9qD+q0U8Mf4SSznEEhbVnPEYS4KeFFiUnyagcLMLnHWnFRuSCulF2KjMVKEM8JBURDUP X-Received: by 2002:a17:906:c2c5:: with SMTP id ch5mr6821686ejb.183.1599214319924; Fri, 04 Sep 2020 03:11:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1599214319; cv=none; d=google.com; s=arc-20160816; b=KuzOMIRizESR4Pw5RvLvapAmNm0x65QAU6tBsJDv5GqNktlfa4Y5O/x13By3LOKXp/ JrG/sa9twGOLlWzumYtVMlNAF3UvQUmUMEXBXjizJH7MOAGTBdiSIDYhMMJz7+mPUXZZ aKwCvquinK2PIAdaGMBfXmSIgebAmK+eyB0GVUsagRFp6rpeEQAjderYrLUF+aAy7WEY mgf2FFPwL65CJ8j8UUZ1pfHqjFfY200Uz9DtENcfSmjQZ3etDgu5ejiQZJrcgUX2GkqF b74HKQSF88Pd3S1rKX5VN4L7zWxVPbHynmC5Fyo4DEuOr6GihKl2M0L1fmbMj+OZlpoW PzBQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=Zox4X4OhbVuJMCms8LyC+qAeAjE03Ks95FkfWtOboVs=; b=BUFclRaIL9Xvu/IwRKANppprSh8cCfj7E/7BNBiERGnX445ilQFGTKmTu9PFKdWl4V pIQkr4EAK9AomsNPakm/0EjTqrqSbYOtknf9gntkFc7fJhcZuVyvL3a8rc4FBVEX3S+Y QxkE7mll12XpguOhuDWNuNOwOUt/275KyHKfv8q1/zawjAdpfkiBPwAVKPbQCbqJzxjB yvNAM3y2XlWNH1dtDz19Ms24sr0mL8IViWOtqva7Z/QPiQdIEs2EaHQH8l6FCe1pXHHw 42WfclIgSsLGG30hYSL6o9bYyEcZVzHeiXUzwnHJ1/0TKbWLJ0BSMF4DG0SOcW33m7/6 4pxA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o2si3546976ejm.676.2020.09.04.03.11.36; Fri, 04 Sep 2020 03:11:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=8bytes.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729765AbgIDKKM (ORCPT + 99 others); Fri, 4 Sep 2020 06:10:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726171AbgIDKKG (ORCPT ); Fri, 4 Sep 2020 06:10:06 -0400 Received: from theia.8bytes.org (8bytes.org [IPv6:2a01:238:4383:600:38bc:a715:4b6d:a889]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 81A9BC061244 for ; Fri, 4 Sep 2020 03:10:05 -0700 (PDT) Received: by theia.8bytes.org (Postfix, from userid 1000) id 6542D3D5; Fri, 4 Sep 2020 12:10:02 +0200 (CEST) Date: Fri, 4 Sep 2020 12:10:01 +0200 From: Joerg Roedel To: Robin Murphy Cc: Shaokun Zhang , Yuqi Jin , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] iommu/iova: Replace cmpxchg with xchg in queue_iova Message-ID: <20200904101000.GV6714@8bytes.org> References: <1598517834-30275-1-git-send-email-zhangshaokun@hisilicon.com> <20200904093732.GN6714@8bytes.org> <208d2f74-1a04-f01e-b885-c175b0480784@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <208d2f74-1a04-f01e-b885-c175b0480784@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Robin, On Fri, Sep 04, 2020 at 10:58:14AM +0100, Robin Murphy wrote: > On 2020-09-04 10:37, Joerg Roedel wrote: > > Adding Robin. > > Did you miss that I've reviewed this already? :) > > https://lore.kernel.org/linux-iommu/3afcc7b2-0bfb-b79c-513f-1beb66c5f164@arm.com/ Hmm, that mail wasn't in my inbox, but b4 found it. I'll need to look why it didn't make it... Joerg