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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6B2F7C433F5 for ; Tue, 5 Apr 2022 15:16:31 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id A2D116B0071; Tue, 5 Apr 2022 11:16:20 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9DCAB6B0073; Tue, 5 Apr 2022 11:16:20 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8A47F6B0074; Tue, 5 Apr 2022 11:16:20 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (relay.hostedemail.com [64.99.140.26]) by kanga.kvack.org (Postfix) with ESMTP id 7BAA76B0071 for ; Tue, 5 Apr 2022 11:16:20 -0400 (EDT) Received: from smtpin04.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 3FF4F2100A for ; Tue, 5 Apr 2022 15:16:10 +0000 (UTC) X-FDA: 79323176100.04.E44F6A7 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by imf05.hostedemail.com (Postfix) with ESMTP id 27EA5100040 for ; Tue, 5 Apr 2022 15:16:08 +0000 (UTC) Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 235DphYc023351; Tue, 5 Apr 2022 17:16:01 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=message-id : date : mime-version : to : cc : from : subject : content-type : content-transfer-encoding; s=selector1; bh=qSYGeN3qiBxsULhHOw6em+QZIRWZ5+DPQhMMpjB8q70=; b=j6bQQrFx7gKjGCzxBcvBet2tqkZO91G/goGzTxEt2tUTyYrpG0vG/pV4DFgKNrDHHAfR hNxLmnzEV7s8gRfLbKW9t3kCOOgNH+ipo71+x1pPnqEnsVnym+QTnZI/TOd+g4ZZNRC2 sg+trOQvqBLQEXlO3ZauRr54b/OUIzVWmoXRlfPaHgftv1cRkgRrlvqp8+zDnJJ8/2cr KplEe6kGM+vkrgUjfRsqCFMN3f5cMVBqZ1SrX4JcgPmoJFB05UBGylKVYqN8sHDxOqqM j3ZZ3fiTFrOCb3UT7eMAbJC4brXiC+sfephrTQZG7vvsN2AI2z0kc4Q7V7puoKq0OZNl og== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3f6dcgtuq0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 05 Apr 2022 17:16:01 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 38BD710002A; Tue, 5 Apr 2022 17:15:59 +0200 (CEST) Received: from Webmail-eu.st.com (shfdag1node1.st.com [10.75.129.69]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 2D0B421E690; Tue, 5 Apr 2022 17:15:59 +0200 (CEST) Received: from [10.201.21.201] (10.75.127.46) by SHFDAG1NODE1.st.com (10.75.129.69) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2308.20; Tue, 5 Apr 2022 17:15:58 +0200 Message-ID: <481a13f8-d339-f726-0418-ab4258228e91@foss.st.com> Date: Tue, 5 Apr 2022 17:15:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Content-Language: en-US To: , , , , , , , , , CC: Alexandre TORGUE - foss , Valentin CARON - foss , , Linux Kernel Mailing List , , From: Patrice CHOTARD Subject: Regression with v5.18-rc1 tag on STM32F7 and STM32H7 based boards Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.75.127.46] X-ClientProxiedBy: SFHDAG2NODE2.st.com (10.75.127.5) To SHFDAG1NODE1.st.com (10.75.129.69) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-04-05_04,2022-04-05_01,2022-02-23_01 X-Stat-Signature: 97rmeyusuh1gi75eeq15g8ysmsa1a8jz Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=foss.st.com header.s=selector1 header.b=j6bQQrFx; spf=pass (imf05.hostedemail.com: domain of "prvs=00944bebdf=patrice.chotard@foss.st.com" designates 91.207.212.93 as permitted sender) smtp.mailfrom="prvs=00944bebdf=patrice.chotard@foss.st.com"; dmarc=pass (policy=none) header.from=foss.st.com X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 27EA5100040 X-HE-Tag: 1649171768-820819 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: Hi Guys We found an issue with last kernel tag v5.18-rc1 on stm32f746-disco and stm32h743-disco boards (ARMV7-M SoCs). Kernel hangs when executing SetPageUptodate(ZERO_PAGE(0)); in mm/filemap.c. By reverting commit 56a8c8eb1eaf ("tmpfs: do not allocate pages on read"), kernel boots without any issue. Thanks Patrice