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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 C574EC433E0 for ; Wed, 12 Aug 2020 01:08:09 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 7451D206B5 for ; Wed, 12 Aug 2020 01:08:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7451D206B5 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AAA056B0003; Tue, 11 Aug 2020 21:08:08 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A5A496B0005; Tue, 11 Aug 2020 21:08:08 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 94A746B0006; Tue, 11 Aug 2020 21:08:08 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0248.hostedemail.com [216.40.44.248]) by kanga.kvack.org (Postfix) with ESMTP id 7F0CA6B0003 for ; Tue, 11 Aug 2020 21:08:08 -0400 (EDT) Received: from smtpin26.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 10D00180AD806 for ; Wed, 12 Aug 2020 01:08:08 +0000 (UTC) X-FDA: 77140130256.26.crack94_5a0384126fe7 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin26.hostedemail.com (Postfix) with ESMTP id CE9DC1804B66B for ; Wed, 12 Aug 2020 01:08:07 +0000 (UTC) X-HE-Tag: crack94_5a0384126fe7 X-Filterd-Recvd-Size: 2735 Received: from huawei.com (szxga07-in.huawei.com [45.249.212.35]) by imf31.hostedemail.com (Postfix) with ESMTP for ; Wed, 12 Aug 2020 01:08:07 +0000 (UTC) Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id D453732FD42127E7D3BA; Wed, 12 Aug 2020 09:08:02 +0800 (CST) Received: from [10.174.178.86] (10.174.178.86) by smtp.huawei.com (10.3.19.203) with Microsoft SMTP Server (TLS) id 14.3.487.0; Wed, 12 Aug 2020 09:07:44 +0800 Subject: Re: [PATCH v3 0/8] huge vmalloc mappings To: Jonathan Cameron , Nicholas Piggin CC: , , , , "Catalin Marinas" , Will Deacon , , Thomas Gleixner , Ingo Molnar , Borislav Petkov , , "H. Peter Anvin" References: <20200810022732.1150009-1-npiggin@gmail.com> <20200811173217.0000161e@huawei.com> From: Zefan Li Message-ID: Date: Wed, 12 Aug 2020 09:07:44 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200811173217.0000161e@huawei.com> Content-Type: text/plain; charset="gbk" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.178.86] X-CFilter-Loop: Reflected X-Rspamd-Queue-Id: CE9DC1804B66B X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 2020/8/12 0:32, Jonathan Cameron wrote: > On Mon, 10 Aug 2020 12:27:24 +1000 > Nicholas Piggin wrote: > >> Not tested on x86 or arm64, would appreciate a quick test there so I can >> ask Andrew to put it in -mm. Other option is I can disable huge vmallocs >> for them for the time being. > > Hi Nicholas, > > For arm64 testing with a Kunpeng920. > > I ran a quick sanity test with this series on top of mainline (yes mid merge window > so who knows what state is...). Could I be missing some dependency? > > Without them it boots, with them it doesn't. Any immediate guesses? > I've already reported this bug in v2, and yeah I also tested it on arm64 (not Kunpeng though), so looks like it still hasn't been fixed. ... >> >> Since v2: >> - Rebased on vmalloc cleanups, split series into simpler pieces. >> - Fixed several compile errors and warnings >> - Keep the page array and accounting in small page units because >> struct vm_struct is an interface (this should fix x86 vmap stack debug >> assert). [Thanks Zefan] though the changelog says it's fixed for x86.