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]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D38A21067040 for ; Thu, 12 Mar 2026 15:03:00 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 21FE76B0088; Thu, 12 Mar 2026 11:03:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 201246B0089; Thu, 12 Mar 2026 11:03:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 101CA6B008A; Thu, 12 Mar 2026 11:03:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id F355D6B0088 for ; Thu, 12 Mar 2026 11:02:59 -0400 (EDT) Received: from smtpin27.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id 9E0041C2E6 for ; Thu, 12 Mar 2026 15:02:59 +0000 (UTC) X-FDA: 84537728478.27.8F2762A Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by imf21.hostedemail.com (Postfix) with ESMTP id 1DE9F1C001A for ; Thu, 12 Mar 2026 15:02:56 +0000 (UTC) Authentication-Results: imf21.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=MC0pt+Pe; spf=pass (imf21.hostedemail.com: domain of gor@linux.ibm.com designates 148.163.156.1 as permitted sender) smtp.mailfrom=gor@linux.ibm.com; dmarc=pass (policy=none) header.from=ibm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1773327777; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=9yQLPhF/8tvYIDT5F8gEZIM1Lj5cCvoGcEOmMxBZOxo=; b=s5kSn4TRyLZgYBo3AR2XBnSjbtm+UW2blp0djlD8n0Xt63u5+4zfsGxQJ/Ox9xWCRe4WTF TPiPbvFjNgd8Snkb9pr+OT0zcJc0frP1lSnuf+R1nXzHOugHq8X3/OgBKbbqyxaYYjN1G8 3gQHEZ1RZSTSSAhoYqCtJKTI64GwO80= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1773327777; a=rsa-sha256; cv=none; b=RwSgXnAyUPYfWTA96uzatdEWfe9Zy0eFEh0xxaELaa3yEcOMLmIjOlbwFtC4xlj4sjxgzj CwfQXqQesCkT+ggsSAk6DtpolTiphfRjO0xbJ+YLG4F0jzRer3QOsQzWgNEnFuYZNPGfDA hRohJi7wZGoYIZz7RmZYaUmgdUEnlhE= ARC-Authentication-Results: i=1; imf21.hostedemail.com; dkim=pass header.d=ibm.com header.s=pp1 header.b=MC0pt+Pe; spf=pass (imf21.hostedemail.com: domain of gor@linux.ibm.com designates 148.163.156.1 as permitted sender) smtp.mailfrom=gor@linux.ibm.com; dmarc=pass (policy=none) header.from=ibm.com Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 62CEYoAI2256683; Thu, 12 Mar 2026 15:02:48 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-type:date:from:in-reply-to:message-id:mime-version :references:subject:to; s=pp1; bh=9yQLPhF/8tvYIDT5F8gEZIM1Lj5cCv oGcEOmMxBZOxo=; b=MC0pt+PeqJ/Fx0rQPpGYhy4twD3b2Kc3SyGf6uydq7veOf 8wSyVumxfYcS/RzLsLeDh8kl9tD8R4upozst/SCAgDPTqUvZAmWAxmio9y7OUnuT z+9VkyVr2PtgAtjQ0Lx8hCSh12XXatgaPxqxwMvKJXGxkJkYajZHeGG8FFjLWuwt A8sSjHM0AL5l7/rGDzvXX3n/TnC1GNUMHMp8KZgOej48GZLIJZLI1hfjuva/1XP4 1J3vzIqfnclM5Nt7mo5XR2o0alAXT63fVux788NDDz7JkbrDWVUnoTDzw6dMHvhx oQjkY8po5xcP4wjIRBxqWDT9CJV+bVyXkR6qLRFw== Received: from ppma13.dal12v.mail.ibm.com (dd.9e.1632.ip4.static.sl-reverse.com [50.22.158.221]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4cuh92b9bm-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Mar 2026 15:02:48 +0000 (GMT) Received: from pps.filterd (ppma13.dal12v.mail.ibm.com [127.0.0.1]) by ppma13.dal12v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 62CEN16g025674; Thu, 12 Mar 2026 15:02:47 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma13.dal12v.mail.ibm.com (PPS) with ESMTPS id 4cuha8as0r-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Mar 2026 15:02:47 +0000 Received: from smtpav03.fra02v.mail.ibm.com (smtpav03.fra02v.mail.ibm.com [10.20.54.102]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 62CF2hgt59965898 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 12 Mar 2026 15:02:43 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 613C32004E; Thu, 12 Mar 2026 15:02:43 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 80C7120043; Thu, 12 Mar 2026 15:02:42 +0000 (GMT) Received: from localhost (unknown [9.111.83.60]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTPS; Thu, 12 Mar 2026 15:02:42 +0000 (GMT) Date: Thu, 12 Mar 2026 16:02:40 +0100 From: Vasily Gorbik To: Andrew Morton Cc: "David Hildenbrand (Arm)" , Madhavan Srinivasan , Michael Ellerman , Pasha Tatashin , Alexander Gordeev , Heiko Carstens , linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, x86@kernel.org Subject: Re: [PATCH v2 1/4] mm/page_table_check: Pass mm_struct to pxx_user_accessible_page() Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 1KsyIx1BDwTPWaT_bYuVWvLadqDOw4WH X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzEyMDEyMSBTYWx0ZWRfX9FVH7vrUmovR J4ljyZrodPGRPdSk7n1B/Cu0G49IAvTOnb9rnFhx7k/ZMkrjauFEAfl9mgAdqYFQ5AIeON+I65L aBHB+xoH0lQifsBvM+fDapqU7iShTN1mwz6wfd4HDoQHyRNUuL3SE4S+xE7l9cxyu/+VssBqPe8 FtomLZUnwBdwc6mhzgyI+QBRIj0VvjIIMzoW/dhIAaRL2RNh8URukhOHG2aIpg3TrvdODgERw94 bu/MNsCRkWPsIKbo7rlefYFNmgpmKQz9p4ndZ+DRs20cVYl1l6HF2M4uoujYP0HyT7PBzGeqfT+ 8NU/fKpq9pAf5Ac3EfQsegHyszKU98eJp54aJoGeN2WHCSsZHn/zujIQWl+iQTzwRz4TdtyIETZ 5GC2PliLsfoRSNNNxjHHjgzxZZUP16hgpTMMKnK5UhAY3UAhROBg9q4VyPk1g6GDwAdF7Qhb7JE ektOqp8PyzdLfyWK8Og== X-Proofpoint-GUID: 1KsyIx1BDwTPWaT_bYuVWvLadqDOw4WH X-Authority-Analysis: v=2.4 cv=XNk9iAhE c=1 sm=1 tr=0 ts=69b2d598 cx=c_pps a=AfN7/Ok6k8XGzOShvHwTGQ==:117 a=AfN7/Ok6k8XGzOShvHwTGQ==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=Z4Rwk6OoAAAA:8 a=qw9MI_8u0g6XvTY13mQA:9 a=QEXdDO2ut3YA:10 a=HkZW87K1Qel5hWWM3VKY:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-12_01,2026-03-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 adultscore=0 bulkscore=0 phishscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603120121 X-Stat-Signature: twq4yx5wd5gzagxbtebpr9aktjonw69p X-Rspam-User: X-Rspamd-Queue-Id: 1DE9F1C001A X-Rspamd-Server: rspam12 X-HE-Tag: 1773327776-935640 X-HE-Meta: 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 U78Za/I4 mgbTu6IrN7/XKvuIVlXwpF2kzMuHHVOm9XvgZyIlQZ95uKLsrYuDMM1KUqRbpLxTB3BhEJ4Mz8LiXvTGPHAeIdn4Fyvlw2H5OSjIFw9Wqjd4NQ5G5Jpw5bP8sjbmKingJ/KuX541ewW0+bL/WGdgJrTdb4Obj7dXJmbtbtqdgfJG3tRAO7ffQoMQeh2Kx2UqtRv9yhdwOpd1FOZojXsBQ/wWfPBu9vPK60Cbyi3pBvqaGSF+A5NUprLf84ycsRKue2cdVM5E9NETLsfW8PwLkTlNWSGLX6zz1cOSj2QSOC/2JyCt7Wa+MgVaP6MWE9Poo58ApwJrNc5Ffd571qcoJ5QOSJT5/IvTBuSOPAvgMlqkjtDWSVm/t/4Q6sX/oedU7JNKW+kAmJkxZHertdWD5xFU61XYB5mCtKT/D86g97Va5769yRo9IjlBDAUuAm2dT063chnQjZx0vE4M= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Fri, Mar 06, 2026 at 05:16:30PM +0100, Alexander Gordeev wrote: > From: Tobias Huschle > > Unlike other architectures, s390 does not have means to > distinguish kernel vs user page table entries - neither > an entry itself, nor the address could be used for that. > It is only the mm_struct that indicates whether an entry > in question is mapped to a user space. So pass mm_struct > to pxx_user_accessible_page() callbacks. > > [agordeev@linux.ibm.com: rephrased commit message, removed braces] > > Reviewed-by: Gerald Schaefer > Reviewed-by: Andrew Morton > Signed-off-by: Tobias Huschle > Signed-off-by: Alexander Gordeev > --- > arch/arm64/include/asm/pgtable.h | 6 +++--- > arch/powerpc/include/asm/book3s/32/pgtable.h | 2 +- > arch/powerpc/include/asm/book3s/64/pgtable.h | 10 +++++----- > arch/powerpc/include/asm/nohash/pgtable.h | 2 +- > arch/powerpc/include/asm/pgtable.h | 4 ++-- > arch/riscv/include/asm/pgtable.h | 6 +++--- > arch/x86/include/asm/pgtable.h | 6 +++--- > mm/page_table_check.c | 15 ++++++--------- > 8 files changed, 24 insertions(+), 27 deletions(-) Andrew, may I get your Reviewed-by or Ack-by for v2 so I can take it via the s390 tree as well? Thank you.