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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 B4276C433F4 for ; Fri, 31 Aug 2018 01:01:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6DDB620839 for ; Fri, 31 Aug 2018 01:01:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FEE+gyzl" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6DDB620839 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727428AbeHaFF4 (ORCPT ); Fri, 31 Aug 2018 01:05:56 -0400 Received: from mail-pg1-f193.google.com ([209.85.215.193]:43288 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727117AbeHaFF4 (ORCPT ); Fri, 31 Aug 2018 01:05:56 -0400 Received: by mail-pg1-f193.google.com with SMTP id v66-v6so4645971pgb.10 for ; Thu, 30 Aug 2018 18:01:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=G0Vdedy1dC1bL5IGQck9HiQoh+zpBMFTPcvE9Lm7b+k=; b=FEE+gyzlNCuM6C5orMk+txez1N9GnuV0E9gMvb0fls3p9iBQjlDBVHm4GwJRoHMgMi 5l4yz9nk1HFlCNYCJksJljjVlOleycO7tNf693g9DxOMYMFHGz3DiA/xpdGOx573i52Z kQAEeeb28iRO79PITh9nWq5Qcn9xFGIAOXJK1c9YloGbc9Rh1kZdPd0HrK2uGJpxXjwF rQrhs4k2KjG/CKRty3yesYl82ZZVarbyUQl9DhQp5e/UCeEOPx9i3ns/mO0oFooaR+fA pU5kwBV60HLgREXPvI6PGpP3bXrH385bpnPBsIfle0x5aKyniEiK+vGNY/sx/z5yaf8D B93w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=G0Vdedy1dC1bL5IGQck9HiQoh+zpBMFTPcvE9Lm7b+k=; b=JwZQpPXBVbT6eaYFsuWvoqNKF/fxw8nZ1XFeeOi+OW0nxOTXT60qvmkhkvyQ8QfK8+ 1RR/DZYvzKMqX32hx4hQdlJOzTV5JiCoajnm3/pGZkDdSqV1ukv0uUlM5NIrz9Qx1uVd x8gRiZopTjTyy3jPqUGThkBxVViDTKQIj6oPwbdIjRLfbxa3tu3jmPwxIAch9QtpYwV2 r2cPwcNhfLUFU4qvKebGhQrEs16RSXowxpePv9OEhJnvDjP4cAKWmVv/EFRJIBEUb1fH P81TKlcR7SR8MpmSDH17DY+DHzQ6LW37VFTRmQkqQGocYsytLKD+ayb952D+KS5W2NWP AXXg== X-Gm-Message-State: APzg51B8lmDj9JYpsSsFE1OxLZPypKPWmTRMo4z9/FRjir9HAbLleXz/ DNQeCNT6/FcRPAngL5ZR03s= X-Google-Smtp-Source: ANB0Vdbeo+rkC4q+ACCl83cD6y/VOly81SfZw2jcrNOtGD5Ycr/ETx7bZ7elL/t+xzxcTG4Bj11Qrg== X-Received: by 2002:a65:608b:: with SMTP id t11-v6mr12308313pgu.259.1535677264752; Thu, 30 Aug 2018 18:01:04 -0700 (PDT) Received: from roar.ozlabs.ibm.com (59-102-81-67.tpgi.com.au. [59.102.81.67]) by smtp.gmail.com with ESMTPSA id b73-v6sm15948475pfj.93.2018.08.30.18.01.01 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 30 Aug 2018 18:01:04 -0700 (PDT) Date: Fri, 31 Aug 2018 11:00:54 +1000 From: Nicholas Piggin To: Linus Torvalds Cc: Will Deacon , Linux Kernel Mailing List , Peter Zijlstra , Benjamin Herrenschmidt , Catalin Marinas , linux-arm-kernel Subject: Re: [PATCH 00/12] Avoid synchronous TLB invalidation for intermediate page-table entries on arm64 Message-ID: <20180831110054.475a3534@roar.ozlabs.ibm.com> In-Reply-To: References: <1535645747-9823-1-git-send-email-will.deacon@arm.com> X-Mailer: Claws Mail 3.17.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 30 Aug 2018 09:39:38 -0700 Linus Torvalds wrote: > On Thu, Aug 30, 2018 at 9:15 AM Will Deacon wrote: > > > > It's also had a lot more testing, but has held up nicely so far on arm64. > > I haven't figured out how to merge this yet, but I'll probably end up pulling > > the core changes out onto a separate branch. > > This looks fine, and I'm actually ok getting the core changes through > the arm64 branch, since this has been discussed across architectures, > and I think "whoever does the work gets to drive the car". Well it would help if powerpc say wanted to start using them without a merge cycle lag. Not a huge issue because powerpc already does reasonably well here and there's other work that can be done. I will try to review the core changes carefully next week. Thanks, Nick