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_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 63F2CC3F2CD for ; Thu, 5 Mar 2020 15:43:19 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3DB3C2073D for ; Thu, 5 Mar 2020 15:43:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3DB3C2073D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 0D11C87D92; Thu, 5 Mar 2020 15:43:19 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id A5XMv56V9inG; Thu, 5 Mar 2020 15:43:18 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by hemlock.osuosl.org (Postfix) with ESMTP id F126187D8B; Thu, 5 Mar 2020 15:43:17 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id DCB0BC18DA; Thu, 5 Mar 2020 15:43:17 +0000 (UTC) Received: from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 837EFC013E for ; Thu, 5 Mar 2020 15:43:16 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by hemlock.osuosl.org (Postfix) with ESMTP id 6B05F87D8E for ; Thu, 5 Mar 2020 15:43:16 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from hemlock.osuosl.org ([127.0.0.1]) by localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id pSywTm2s7fGW for ; Thu, 5 Mar 2020 15:43:15 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by hemlock.osuosl.org (Postfix) with ESMTPS id EDF4387D8B for ; Thu, 5 Mar 2020 15:43:14 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 92B0768B05; Thu, 5 Mar 2020 16:43:12 +0100 (CET) Date: Thu, 5 Mar 2020 16:43:12 +0100 From: Christoph Hellwig To: David Rientjes Subject: Re: [rfc 3/6] dma-remap: wire up the atomic pools depending on gfp mask Message-ID: <20200305154312.GB5332@lst.de> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: Tom Lendacky , "Singh, Brijesh" , "Grimm, Jon" , baekhw@google.com, "linux-kernel@vger.kernel.org" , "iommu@lists.linux-foundation.org" , Christoph Hellwig X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" On Sun, Mar 01, 2020 at 04:05:16PM -0800, David Rientjes wrote: > > When allocating non-blockable memory, determine the optimal gfp mask of > the device and use the appropriate atomic pool. > > The coherent DMA mask will remain the same between allocation and free > and, thus, memory will be freed to the same atomic pool it was allocated > from. I think this should go into the previous patch, as it is rather pointless without the changes in this one. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu