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=-8.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 0D330C432BE for ; Wed, 11 Aug 2021 19:30:12 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 95C34610EA for ; Wed, 11 Aug 2021 19:30:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 95C34610EA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvack.org Received: by kanga.kvack.org (Postfix) id B54D76B0071; Wed, 11 Aug 2021 15:30:10 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ADDCC6B0072; Wed, 11 Aug 2021 15:30:10 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9A50F8D0001; Wed, 11 Aug 2021 15:30:10 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0064.hostedemail.com [216.40.44.64]) by kanga.kvack.org (Postfix) with ESMTP id 7C6C26B0071 for ; Wed, 11 Aug 2021 15:30:10 -0400 (EDT) Received: from smtpin32.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id A2A971809CD71 for ; Wed, 11 Aug 2021 19:30:09 +0000 (UTC) X-FDA: 78463790538.32.FB325D1 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf20.hostedemail.com (Postfix) with ESMTP id 5F1F5D006930 for ; Wed, 11 Aug 2021 19:30:09 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 4C72B60F21; Wed, 11 Aug 2021 19:30:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628710208; bh=dN2zuhazA3CjAHrGk/MFOiUoZnvZGI65FgI3dtYlVec=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=pJPKwZfF1m74I3LpREvFNeTJFMVKWShoFzBV9iYcOo6B504i5O+vOaFzdh+nkUiG6 Owdo430sjHVxMBn9jN1kzDGDbwe8NvOslpYtUJc/toSlU9/77CHnPRLEja9BSD1Maz yU3OhWkelUXCOp/P+r9qcu2lfzmFgnPaCv31qBYwpu1d2j1X0ZDoZ/GR2fJlRVHWp5 pFSFtcYyHN8jO71FN0DlL5sLj82TppVDmla54n9D+7XyGm9btmo1qUwaYGlf6cNBNR jEg3oOBZRNrDR4mkx3ME6v8+AftqxHcaQ8uumdO0nju7OY9G2+oVrgRGuOYi2Bm/fs FlvVegXChqr2w== Subject: Re: [PATCH 11/18] ARC: mm: move MMU specific bits out of entry code To: Mike Rapoport Cc: linux-snps-arc@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Anshuman Khandual , Jose Abreu References: <20210811004258.138075-1-vgupta@kernel.org> <20210811004258.138075-12-vgupta@kernel.org> From: Vineet Gupta Message-ID: <3236255f-8031-8fb2-8ab0-9faea5fa82f3@kernel.org> Date: Wed, 11 Aug 2021 12:30:07 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 5F1F5D006930 Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=pJPKwZfF; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf20.hostedemail.com: domain of vgupta@kernel.org designates 198.145.29.99 as permitted sender) smtp.mailfrom=vgupta@kernel.org X-Rspamd-Server: rspam04 X-Stat-Signature: q66cg691uxhiz9okbddton619qpc49rm X-HE-Tag: 1628710209-633465 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000021, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 8/11/21 5:15 AM, Mike Rapoport wrote: > I believe a few words here would be useful even for the future version of > yourself ;-) "Don't pollute common entry file with MMU versions specific bits (as new MMU doesn't have PID register)" However Jose thankfully pointed me (off list) that this patch is broken (based on some internal emails). Any Machine check disables MMU but we now we only re-enable for TLB faults related MC, so this will have to be redone. Thx, -Vineet