From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752895AbeEKL5x (ORCPT ); Fri, 11 May 2018 07:57:53 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:40468 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750758AbeEKL5w (ORCPT ); Fri, 11 May 2018 07:57:52 -0400 Date: Fri, 11 May 2018 12:57:47 +0100 From: Catalin Marinas To: Yang Li Cc: Will Deacon , lorenzo.pieralisi@arm.com, Marc Zyngier , lkml , ebiederm@xmission.com, torvalds@linux-foundation.org, linux-arm-kernel@lists.infradead.org Subject: Re: [GIT PULL] arm64: updates for 4.17 Message-ID: <20180511115747.hpryaxa2q357lwki@armageddon.cambridge.arm.com> References: <20180404143239.GA18238@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 10, 2018 at 11:03:18PM -0500, Yang Li wrote: > On Wed, Apr 4, 2018 at 9:32 AM, Will Deacon wrote: > > Please pull these arm64 updates for 4.17. Note that I've pulled in a > > stable branch from Eric Biederman here to fulfil some siginfo dependencies, > > so the diffstat strays slightly out of arm64 due to his changes. > {snip} > > > > Catalin Marinas (1): > > arm64: Revert L1_CACHE_SHIFT back to 6 (64-byte cache line size) > > I'm wondering if we are changing the L1_CACHE_SHIFT to 6 in 4.17? > This is causing big performance differences for us now. We pushed it initially but there were some conflicts with the generic dma work and we had to revert the above commit (so we are back to 7). I plan to post it again, hopefully in time for 4.18. -- Catalin From mboxrd@z Thu Jan 1 00:00:00 1970 From: catalin.marinas@arm.com (Catalin Marinas) Date: Fri, 11 May 2018 12:57:47 +0100 Subject: [GIT PULL] arm64: updates for 4.17 In-Reply-To: References: <20180404143239.GA18238@arm.com> Message-ID: <20180511115747.hpryaxa2q357lwki@armageddon.cambridge.arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, May 10, 2018 at 11:03:18PM -0500, Yang Li wrote: > On Wed, Apr 4, 2018 at 9:32 AM, Will Deacon wrote: > > Please pull these arm64 updates for 4.17. Note that I've pulled in a > > stable branch from Eric Biederman here to fulfil some siginfo dependencies, > > so the diffstat strays slightly out of arm64 due to his changes. > {snip} > > > > Catalin Marinas (1): > > arm64: Revert L1_CACHE_SHIFT back to 6 (64-byte cache line size) > > I'm wondering if we are changing the L1_CACHE_SHIFT to 6 in 4.17? > This is causing big performance differences for us now. We pushed it initially but there were some conflicts with the generic dma work and we had to revert the above commit (so we are back to 7). I plan to post it again, hopefully in time for 4.18. -- Catalin