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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6D6F7C433EF for ; Wed, 29 Jun 2022 06:49:56 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 0A8CD8E0006; Wed, 29 Jun 2022 02:49:56 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 030578E0002; Wed, 29 Jun 2022 02:49:55 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E61838E0006; Wed, 29 Jun 2022 02:49:55 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) by kanga.kvack.org (Postfix) with ESMTP id D41508E0002 for ; Wed, 29 Jun 2022 02:49:55 -0400 (EDT) Received: from smtpin06.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay10.hostedemail.com (Postfix) with ESMTP id B254FC54 for ; Wed, 29 Jun 2022 06:49:55 +0000 (UTC) X-FDA: 79630348350.06.2C3F78D Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by imf05.hostedemail.com (Postfix) with ESMTP id 325D210002C for ; Wed, 29 Jun 2022 06:49:55 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 8AA3E68AFE; Wed, 29 Jun 2022 08:49:52 +0200 (CEST) Date: Wed, 29 Jun 2022 08:49:52 +0200 From: Christoph Hellwig To: Logan Gunthorpe Cc: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, linux-pci@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, Stephen Bates , Christoph Hellwig , Dan Williams , Jason Gunthorpe , Christian =?iso-8859-1?Q?K=F6nig?= , John Hubbard , Don Dutile , Matthew Wilcox , Daniel Vetter , Minturn Dave B , Jason Ekstrand , Dave Hansen , Xiong Jianxin , Bjorn Helgaas , Ira Weiny , Robin Murphy , Martin Oliveira , Chaitanya Kulkarni , Ralph Campbell Subject: Re: [PATCH v7 00/21] Userspace P2PDMA with O_DIRECT NVMe devices Message-ID: <20220629064952.GE17576@lst.de> References: <20220615161233.17527-1-logang@deltatee.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220615161233.17527-1-logang@deltatee.com> User-Agent: Mutt/1.5.17 (2007-11-01) ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=none; dmarc=none; spf=none (imf05.hostedemail.com: domain of hch@lst.de has no SPF policy when checking 213.95.11.211) smtp.mailfrom=hch@lst.de ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1656485395; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=i8AOM9FcvdgtIdDXzGTL2o5uH0IZ/3FwpBv8rFsTKYM=; b=x6e+Z31s5XORC57gywx5FD5Z0kT/xwQyYc54VSkPs8SPCXd3lEfo6r4TCUBQ1iHMy+/rjy N46z2fnvdG2i4ewjXMqpmkxew+gm0Jfhh1ZTi3PLcsSCEscTDo9sklmNBjlM6f10wYofdU jmCWxbi0lBBoCSaOjd2OyP2JzmVC56w= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1656485395; a=rsa-sha256; cv=none; b=Ph2yEl2l0Pwxtr2bYfuc4CoHhIe978fDzeH41x3IK8oDdnN7WCThUakBfPv/vs0DvHDX9w 6mydAqAAL7iEOmvGuv1MEDljPoGOtHBKL/1+oGNo9npmqM6jNzGJxEremdmmOiRxDkyA87 Gx235Y22EsP2o7NoiyQ1l53P7vkkxDM= X-Stat-Signature: sdkk5iwf66irt1y8fxd7j7j7urufrjer X-Rspamd-Queue-Id: 325D210002C Authentication-Results: imf05.hostedemail.com; dkim=none; dmarc=none; spf=none (imf05.hostedemail.com: domain of hch@lst.de has no SPF policy when checking 213.95.11.211) smtp.mailfrom=hch@lst.de X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1656485395-240531 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Given how long this is stuck and how big and touching many subsystems, can we start to make progress on this pice-mail? I think patches 1-13 look pretty solid, and assuming an review for the dma-iommu bits these patches could probaby be queued up ASAP.