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