From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org by pdx-caf-mail.web.codeaurora.org (Dovecot) with LMTP id kpmnMc3mGFuxRAAAmS7hNA ; Thu, 07 Jun 2018 08:03:36 +0000 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 2FA87608B8; Thu, 7 Jun 2018 08:03:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1528358616; bh=v/AXUzPgdgd3uuvQFG+Ql6NUcAGHjcS20bagaNqdwF8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:List-ID:From; b=FHMZll6b+AqT3OuMAgvZ+YSmMXZHocb9NuecISm4tBU/I+rHASWzMOIKnhK/9mXdF YrydRMkBJ67He3qEBxuNgVFLIRBc4wg1XQalvvTQK/hzaYM/npeZPL07qz61BPsrzr WwYNE/dcOF5k3PQ+p2qW0YanCJisMQ0E1xK6xDSA= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, MAILING_LIST_MULTI,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by smtp.codeaurora.org (Postfix) with ESMTP id 93E50607E7; Thu, 7 Jun 2018 08:03:35 +0000 (UTC) Authentication-Results: smtp.codeaurora.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="oMiEI7r/"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="oMiEI7r/" DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 93E50607E7 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753299AbeFGIDb (ORCPT + 25 others); Thu, 7 Jun 2018 04:03:31 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:56566 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753237AbeFGIDZ (ORCPT ); Thu, 7 Jun 2018 04:03:25 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id BFCEE607E7; Thu, 7 Jun 2018 08:03:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1528358604; bh=v/AXUzPgdgd3uuvQFG+Ql6NUcAGHjcS20bagaNqdwF8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=oMiEI7r//lGHCKvgQ0U73dGbjZBJyyqPE3EeqmWx4UC6uQolB29cfLGjSgNAYOr/W JRVdh84BevJFrR8qx1nkuvi9ShjRUXGVJm+2VzSsTIQzj9iu31vpxj6Jkwfdl1fRJi 0WqV16k3ciKyikVGJr7rktheJn8O9wac0ibiqwVo= Received: from [10.204.79.109] (blr-c-bdr-fw-01_globalnat_allzones-outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: cpandya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 2E94A605A2; Thu, 7 Jun 2018 08:03:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1528358604; bh=v/AXUzPgdgd3uuvQFG+Ql6NUcAGHjcS20bagaNqdwF8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=oMiEI7r//lGHCKvgQ0U73dGbjZBJyyqPE3EeqmWx4UC6uQolB29cfLGjSgNAYOr/W JRVdh84BevJFrR8qx1nkuvi9ShjRUXGVJm+2VzSsTIQzj9iu31vpxj6Jkwfdl1fRJi 0WqV16k3ciKyikVGJr7rktheJn8O9wac0ibiqwVo= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 2E94A605A2 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=cpandya@codeaurora.org Subject: Re: [PATCH v13 0/3] Fix issues with huge mapping in ioremap for ARM64 To: Will Deacon Cc: mark.rutland@arm.com, toshi.kani@hpe.com, catalin.marinas@arm.com, linux-kernel@vger.kernel.org, akpm@linux-foundation.org, linux-arm-kernel@lists.infradead.org References: <1528268481-19299-1-git-send-email-cpandya@codeaurora.org> <20180606154520.GM6631@arm.com> From: Chintan Pandya Message-ID: <6aaf3db7-3cbb-f4ba-7983-f235e3bad92e@codeaurora.org> Date: Thu, 7 Jun 2018 13:33:20 +0530 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: <20180606154520.GM6631@arm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/6/2018 9:15 PM, Will Deacon wrote: > Hi Chintan, Hi Will, > > Thanks for sticking with this. I've reviewed the series now and I'm keen > for it to land in mainline. Just a couple of things below. > Thanks for all the reviews so far. > On Wed, Jun 06, 2018 at 12:31:18PM +0530, Chintan Pandya wrote: >> This series of patches re-bring huge vmap back for arm64. ... >> These patches can also go into '-stable' branch (if accepted) >> for 4.6 onwards. > > Not sure we need to target -stable, since we solved the crash by disabling > the use of huge io mappings. If disabling of huge io mappings have gone into stable trees, then I won't push for these changes there. > >> arch/arm64/include/asm/tlbflush.h | 7 ++++++ >> arch/arm64/mm/mmu.c | 48 +++++++++++++++++++++++++++++++++++---- >> arch/x86/mm/pgtable.c | 8 ++++--- >> include/asm-generic/pgtable.h | 8 +++---- >> lib/ioremap.c | 4 ++-- > > If you get an ack from the x86 folks, then I could take all of this via > arm64. Alternatively, now that I've reviewed the series this could happily > go via another tree (e.g. akpm). Sure. I would wait for few days before either of them take notice of this. If required, I will communicated with them. > > Thanks, > > Will > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > Chintan -- Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project