Received: by 2002:a05:7412:31a9:b0:e2:908c:2ebd with SMTP id et41csp484770rdb; Fri, 8 Sep 2023 07:00:06 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFYgm1cQghHW3msyMIbuWfVOkGRRfAmvhmdugjlzpHVQmwOXilkFRgaQ+qfLUpGAKAclbnA X-Received: by 2002:a17:902:9a42:b0:1c3:6e38:3943 with SMTP id x2-20020a1709029a4200b001c36e383943mr2321310plv.56.1694181605625; Fri, 08 Sep 2023 07:00:05 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1694181605; cv=none; d=google.com; s=arc-20160816; b=EecKu6ZP9b8eTvcuUqDWAAmhi+LPvV4SujuvmuEtrm/rxSNMqNpam1mlsisag3MQQ4 VZROJ33Dwe5S0587bD0RQUmYuJviulPMgaN6wZwqsS6ltWZz+5K7hfgH8tdAcNF97PJB jeopKZvjNpxgFIGdYeLtGUQiz4aQKLY/lzSjRvcyYJlzToSjk1jRh612MaRMql2hQdOZ ka39tJB6LWH6oPTBIuwuMIU0FhcHuMSJXfX6Lz9StFK+WsItreKP7Ma8peIW8/XSNIXS MCi6WvuwcOa4YKEUFAbpt0uYBoLp1Ecpgi9H/pH9GG8eCBQtqIqiKhG2557zrgAOnJHa c25A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=oQ2Oy2vE4Y+KSIGzjxEVBp2pts3FTmVlEXlZ7nc293g=; fh=aBOuqPjuP6MJaZ+zajvZr1ki67qLO+9RvHmIKMYbM50=; b=CxoffQ/QG6Usdvjtb0QG0NQoIHFkrRsoRy/onAPUAOZWXeg0GbxaBfRL0g1Zc+IQHY dmBx9Uq8RvmKzLIka+8GPbfvDT3eMn0zPDpXmBXTpL2VhSVIOa283mpKP8L3DIM8vw8Z vtdzXw+tA2Yn+4qA+E96Z21y3TNZjMRyx+t7DzW3i3qgl33kHp5IH+bgrV63IF1W/SF6 c/svLfZXDRaCBj4/usgNlQAjal7R/iE7Xlx9B7vyqBywl1AdZPrnbZwhQ9sqKfOqFlkQ DjKi0VmvCN/5TDqQtk3mTsSN26JtjD+UlyJZwxJrTjDQ7KApgzBJRZzyRF59UCCSKWRW E9+A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id kw7-20020a170902f90700b001b9c205a860si1588543plb.377.2023.09.08.06.59.48; Fri, 08 Sep 2023 07:00:05 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235619AbjIHI7E (ORCPT + 99 others); Fri, 8 Sep 2023 04:59:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229844AbjIHI7C (ORCPT ); Fri, 8 Sep 2023 04:59:02 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89D681BC8 for ; Fri, 8 Sep 2023 01:58:58 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id F2B8068B05; Fri, 8 Sep 2023 10:58:54 +0200 (CEST) Date: Fri, 8 Sep 2023 10:58:54 +0200 From: Christoph Hellwig To: Zhenhua Huang Cc: hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, quic_pkondeti@quicinc.com, quic_tingweiz@quicinc.com Subject: Re: [PATCH] Revert "dma-contiguous: check for memory region overlap" Message-ID: <20230908085854.GA12056@lst.de> References: <1694073836-5125-1-git-send-email-quic_zhenhuah@quicinc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1694073836-5125-1-git-send-email-quic_zhenhuah@quicinc.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_NONE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks, applied.