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