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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 DC244C282CE for ; Wed, 22 May 2019 15:57:39 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 B2BD120879 for ; Wed, 22 May 2019 15:57:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="fTxPPkKE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B2BD120879 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=UtdeVf7uFY3SvOVKslWdjVNgInpFtd1wm+ABjQtzIeM=; b=fTxPPkKE54BbDR 8V4EIQ5yT7nqn7qLnR4/POS2VVRK03C1Eb4cqu+Ie/+3i06mLrr1aaLGfK+t6s278IoD45UwA29ct WV5rmKOs4X8yqWuw3LAIw/hRoII5SjhdrpYoK4sHqvaMZqEgWRMts6nM4a9FFD5IKw7pn5MBNV69T Vz7oRc16tk7NdAs2Vtplt6XK7lIi2JQoObLND+TX5wD6sKO6Lt2WcrFCDPdVhlaEm+kqbJuRJL8ta f8Mfk+4JIapJIOus4c8FORPx3iDkwk2KJYKmOe2lixxwtdEBCfjsb7GCeedpIIJS3+MIxj/9AvAUO NqYCLplAUaVt31csEbOw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTTcV-0008Fx-D3; Wed, 22 May 2019 15:57:35 +0000 Received: from verein.lst.de ([213.95.11.211] helo=newverein.lst.de) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTTcS-0008FS-58 for linux-arm-kernel@lists.infradead.org; Wed, 22 May 2019 15:57:33 +0000 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) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190522_085732_347786_1509ACB0 X-CRM114-Status: GOOD ( 10.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel