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=-5.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 2C4A9C282CE for ; Wed, 22 May 2019 15:57:34 +0000 (UTC) Received: from mail.linuxfoundation.org (mail.linuxfoundation.org [140.211.169.12]) (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 088B4208C3 for ; Wed, 22 May 2019 15:57:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 088B4208C3 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 mail.linux-foundation.org (localhost [127.0.0.1]) by mail.linuxfoundation.org (Postfix) with ESMTP id B795ADDE; Wed, 22 May 2019 15:57:33 +0000 (UTC) Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 044A0DD5 for ; Wed, 22 May 2019 15:57:33 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from newverein.lst.de (verein.lst.de [213.95.11.211]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 40F6C102 for ; Wed, 22 May 2019 15:57:32 +0000 (UTC) Received: by newverein.lst.de (Postfix, from userid 2407) id 35D7268B05; Wed, 22 May 2019 17:57:09 +0200 (CEST) Date: Wed, 22 May 2019 17:57:08 +0200 From: Christoph Hellwig To: Robin Murphy Subject: Re: [PATCH 07/24] iommu/dma: Move domain lookup into __iommu_dma_{map, unmap} Message-ID: <20190522155708.GA29904@lst.de> References: <20190520072948.11412-1-hch@lst.de> <20190520072948.11412-8-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: Tom Murphy , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, Christoph Hellwig , linux-arm-kernel@lists.infradead.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.12 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 Sender: iommu-bounces@lists.linux-foundation.org Errors-To: iommu-bounces@lists.linux-foundation.org On Wed, May 22, 2019 at 02:34:49PM +0100, Robin Murphy wrote: > On 20/05/2019 08:29, Christoph Hellwig wrote: >> From: Robin Murphy >> >> Most of the callers don't care, and the couple that do already have the >> domain to hand for other reasons are in slow paths where the (trivial) >> overhead of a repeated lookup will be utterly immaterial. >> >> Signed-off-by: Robin Murphy >> [hch: dropped the hunk touching iommu_dma_get_msi_page to avoid a >> conflict with another series] > > Since the MSI changes made it into 5.2, do you want to resurrect that hunk > here, or shall I spin it up as a follow-on patch? Either way is fine with me. _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu