From mboxrd@z Thu Jan 1 00:00:00 1970 From: Will Deacon Subject: Re: [PATCH 0/4] numa, iommu/smmu: IOMMU/SMMU driver optimization for NUMA systems Date: Wed, 18 Oct 2017 14:28:00 +0100 Message-ID: <20171018132759.GA21820@arm.com> References: <20170921085922.11659-1-ganapatrao.kulkarni@cavium.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20170921085922.11659-1-ganapatrao.kulkarni-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Ganapatrao Kulkarni Cc: Tomasz.Nowicki-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org, vbabka-AlSwsSmVLrQ@public.gmane.org, gklkml16-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Robert.Richter-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, mhocko-IBi9RG/b67k@public.gmane.org, akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, jnair-M3mlKVOIwJVv6pq1l3V1OdBPR1lH4CV8@public.gmane.org List-Id: iommu@lists.linux-foundation.org Hi Ganapat, On Thu, Sep 21, 2017 at 02:29:18PM +0530, Ganapatrao Kulkarni wrote: > Adding numa aware memory allocations used for iommu dma allocation and > memory allocated for SMMU stream tables, page walk tables and command queues. > > With this patch, iperf testing on ThunderX2, with 40G NIC card on > NODE 1 PCI shown same performance(around 30% improvement) as NODE 0. Are you planning to repost this series? The idea looks good, but it needs some rework before it can be merged. Thanks, Will From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Wed, 18 Oct 2017 14:28:00 +0100 Subject: [PATCH 0/4] numa, iommu/smmu: IOMMU/SMMU driver optimization for NUMA systems In-Reply-To: <20170921085922.11659-1-ganapatrao.kulkarni@cavium.com> References: <20170921085922.11659-1-ganapatrao.kulkarni@cavium.com> Message-ID: <20171018132759.GA21820@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Ganapat, On Thu, Sep 21, 2017 at 02:29:18PM +0530, Ganapatrao Kulkarni wrote: > Adding numa aware memory allocations used for iommu dma allocation and > memory allocated for SMMU stream tables, page walk tables and command queues. > > With this patch, iperf testing on ThunderX2, with 40G NIC card on > NODE 1 PCI shown same performance(around 30% improvement) as NODE 0. Are you planning to repost this series? The idea looks good, but it needs some rework before it can be merged. Thanks, Will From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi0-f72.google.com (mail-oi0-f72.google.com [209.85.218.72]) by kanga.kvack.org (Postfix) with ESMTP id 5F22F6B025F for ; Wed, 18 Oct 2017 09:27:56 -0400 (EDT) Received: by mail-oi0-f72.google.com with SMTP id b189so4598217oia.10 for ; Wed, 18 Oct 2017 06:27:56 -0700 (PDT) Received: from foss.arm.com (foss.arm.com. [217.140.101.70]) by mx.google.com with ESMTP id d34si3786880otc.100.2017.10.18.06.27.55 for ; Wed, 18 Oct 2017 06:27:55 -0700 (PDT) Date: Wed, 18 Oct 2017 14:28:00 +0100 From: Will Deacon Subject: Re: [PATCH 0/4] numa, iommu/smmu: IOMMU/SMMU driver optimization for NUMA systems Message-ID: <20171018132759.GA21820@arm.com> References: <20170921085922.11659-1-ganapatrao.kulkarni@cavium.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170921085922.11659-1-ganapatrao.kulkarni@cavium.com> Sender: owner-linux-mm@kvack.org List-ID: To: Ganapatrao Kulkarni Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-mm@kvack.org, robin.murphy@arm.com, lorenzo.pieralisi@arm.com, hanjun.guo@linaro.org, joro@8bytes.org, vbabka@suse.cz, akpm@linux-foundation.org, mhocko@suse.com, Tomasz.Nowicki@cavium.com, Robert.Richter@cavium.com, jnair@caviumnetworks.com, gklkml16@gmail.com Hi Ganapat, On Thu, Sep 21, 2017 at 02:29:18PM +0530, Ganapatrao Kulkarni wrote: > Adding numa aware memory allocations used for iommu dma allocation and > memory allocated for SMMU stream tables, page walk tables and command queues. > > With this patch, iperf testing on ThunderX2, with 40G NIC card on > NODE 1 PCI shown same performance(around 30% improvement) as NODE 0. Are you planning to repost this series? The idea looks good, but it needs some rework before it can be merged. Thanks, Will -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754422AbdJRN2x (ORCPT ); Wed, 18 Oct 2017 09:28:53 -0400 Received: from foss.arm.com ([217.140.101.70]:40524 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753881AbdJRN1z (ORCPT ); Wed, 18 Oct 2017 09:27:55 -0400 Date: Wed, 18 Oct 2017 14:28:00 +0100 From: Will Deacon To: Ganapatrao Kulkarni Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux-foundation.org, linux-mm@kvack.org, robin.murphy@arm.com, lorenzo.pieralisi@arm.com, hanjun.guo@linaro.org, joro@8bytes.org, vbabka@suse.cz, akpm@linux-foundation.org, mhocko@suse.com, Tomasz.Nowicki@cavium.com, Robert.Richter@cavium.com, jnair@caviumnetworks.com, gklkml16@gmail.com Subject: Re: [PATCH 0/4] numa, iommu/smmu: IOMMU/SMMU driver optimization for NUMA systems Message-ID: <20171018132759.GA21820@arm.com> References: <20170921085922.11659-1-ganapatrao.kulkarni@cavium.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170921085922.11659-1-ganapatrao.kulkarni@cavium.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ganapat, On Thu, Sep 21, 2017 at 02:29:18PM +0530, Ganapatrao Kulkarni wrote: > Adding numa aware memory allocations used for iommu dma allocation and > memory allocated for SMMU stream tables, page walk tables and command queues. > > With this patch, iperf testing on ThunderX2, with 40G NIC card on > NODE 1 PCI shown same performance(around 30% improvement) as NODE 0. Are you planning to repost this series? The idea looks good, but it needs some rework before it can be merged. Thanks, Will