From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8969C40E8FA; Thu, 30 Jul 2026 11:27:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.156.1 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785410859; cv=none; b=iWkxC0I5OD2bteDi2xy63ODGvha8HBvsGp6auD10cwwvLD/33cx/y5eIhoeM95NeJfh1JZRyof01Dc2Az40QDiQpX9pNlVPJSsS5hHA3WOI57wHrOKx0g2+pw2l3/9rbUCw26TuBkGDntZUIqhjypkIzF7TV44UJxt1aCdU9/L0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785410859; c=relaxed/simple; bh=Ordl6f/X04svcxMHWSCWOflstcT1JzESUuFhn2WQQXw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=LhcBRzmE2PZTMzaZRcXbvfpP7O8Qhp8hcO6fwSc6pEfJ1mn7z1we3MNn3whCve7fSQ9b6hvId5H8j8FKjD0wpz0yNy6axx2hRD+dhiQCaboiREILTLhRliO0QVzl49hqLf4z70T4sRUoNyrQOOuTY98t8r3+TxG38N+RgNqoPO4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com; spf=pass smtp.mailfrom=linux.ibm.com; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b=sdfyMp4a; arc=none smtp.client-ip=148.163.156.1 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.ibm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="sdfyMp4a" Received: from pps.filterd (m0353729.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 66UAITVb847877; Thu, 30 Jul 2026 11:26:18 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=rL8DGprZq6+UDaUDPLLoQG6SRBTZ0q XJevfXG66EoPI=; b=sdfyMp4aCvxroURx10Xqk4j4EkRzqRZj/d8ZEbHlZbxnsv RZqWLEeKsnBJxY69g9Rf/enfbEgMoW9zjk0DqTtqb4SdiKe5h4FUE02bCamE3eNw mKXSoos8tPzO8X1IdyqwB4WqK1lJ405Tk6jCGPxj7zmKeqFvuP5hapmXPKq+fUfo 8c0EfX/h24wizj+fNqRoZz8PEn83J9Xe0L+2oOSO33qjTAG88+cOpPBcZxQ2MryQ 9C9mVFf4A9AmKDd7qse+ZJEv879U3qPaL/p4pQJCMTWhoECKTBGwKSFXpWa8LXuD llCRCK3hTVvsG8xNe3CL6OnYTma2hyk1ExuGlNOQ== Received: from ppma11.dal12v.mail.ibm.com (db.9e.1632.ip4.static.sl-reverse.com [50.22.158.219]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 4fmuycqb5m-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 30 Jul 2026 11:26:18 +0000 (GMT) Received: from pps.filterd (ppma11.dal12v.mail.ibm.com [127.0.0.1]) by ppma11.dal12v.mail.ibm.com (8.18.1.7/8.18.1.7) with ESMTP id 66UBQHmm004385; Thu, 30 Jul 2026 11:26:17 GMT Received: from smtprelay01.fra02v.mail.ibm.com ([9.218.2.227]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4fna5yashv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 30 Jul 2026 11:26:16 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (smtpav01.fra02v.mail.ibm.com [10.20.54.100]) by smtprelay01.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 66UBQEwm32309740 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 30 Jul 2026 11:26:14 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 899DD20043; Thu, 30 Jul 2026 11:26:14 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C9B7220040; Thu, 30 Jul 2026 11:26:13 +0000 (GMT) Received: from li-008a6a4c-3549-11b2-a85c-c5cc2836eea2.ibm.com (unknown [9.224.92.206]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTPS; Thu, 30 Jul 2026 11:26:13 +0000 (GMT) Date: Thu, 30 Jul 2026 13:26:12 +0200 From: Alexander Gordeev To: Muhammad Usama Anjum Cc: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Tvrtko Ursulin , David Airlie , Simona Vetter , Dimitri Sivanich , Arnd Bergmann , Greg Kroah-Hartman , "James E.J. Bottomley" , Helge Deller , Juergen Gross , Stefano Stabellini , Muchun Song , Oscar Salvador , Andrew Morton , "Liam R. Howlett" , Lorenzo Stoakes , Will Deacon , "Aneesh Kumar K.V" , Nick Piggin , Peter Zijlstra , Andrey Ryabinin , David Hildenbrand , Pasha Tatashin , Chris Li , Kairui Song , Uladzislau Rezki , Steven Rostedt , Masami Hiramatsu , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , SJ Park , "Matthew Wilcox (Oracle)" , Jan Kara , Jason Gunthorpe , Leon Romanovsky , Miaohe Lin , Dennis Zhou , Tejun Heo , Christoph Lameter , Mike Rapoport , Johannes Weiner , ziy@nvidia.com, pfalcato@suse.de, ryan.roberts@arm.com, linux-kernel@vger.kernel.org, intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-parisc@vger.kernel.org, xen-devel@lists.xenproject.org, linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-arch@vger.kernel.org, kasan-dev@googlegroups.com, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org, damon@lists.linux.dev Subject: Re: [PATCH RFC 06/11] mm/kasan: use hw_pte_t for the early shadow PTE table Message-ID: References: <20260727164715.2866609-1-usama.anjum@arm.com> <20260727164715.2866609-7-usama.anjum@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260727164715.2866609-7-usama.anjum@arm.com> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 1yShbzchCRrZFjJxcUOHA7XWBBHN_PSp X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzMwMDA4NCBTYWx0ZWRfX0SdyyNoCDIst tiHB2CaM4QF1p8CCtTiYaSOOUgx4+BDwgoYVCM0LTdDbXgHT8/B9naW6e8rzhr56cn7hR9Fzc8c nPSzjrwIAfuvIaxWPqmH1yuIdMBpPPVn7Mn8EFWyE6rfbbn+KvZsPAt18g3Nj8TiN9asBygXzqs MOcTiWGHpo4+SRwQXAgcLc5Ck+v9IcLezDKsRLpXQF/J9FIBl914ZpgcpDnWSHfrF6KVdFhG4e9 BSjq1WFCWKAjaX66X5eNxr+WT0s1DTdNLA6Hzh85YA3Dnk5YTz7bRMivBjHJzA4JetfKwGfrowF 1Y1bP2dyFTwDBK2ZMETXXXHgd/POo9dvPpDqYXuvTey+LmDZzsFpAInoRRAQYp6bwuUtGBPAzc4 IsGzjJX/oyASB3D1gl37Ts2dTvivrw8E1t1YVsgaA7enYVurHpIBKWJ79PpxWuTkCeUmhZS4op6 BD6hW/u22g3Iijfgkdg== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzMwMDA4NCBTYWx0ZWRfXyS66madxJqQ1 YcsQPbiIkHTtCPcppu01CqajpxI61cieuOzVbuUC/F/5np1ISiVjCoiBD39pyHxQ6W0rgkTduw/ oTeLAP0IBqNIKuWWs0UjDsrPcoo1qJE= X-Authority-Analysis: v=2.4 cv=AZeB2XXG c=1 sm=1 tr=0 ts=6a6b34da cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=kj9zAlcOel0A:10 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=8mY-gRJjsCn2C85XUSAA:9 a=CjuIK1q_8ugA:10 X-Proofpoint-GUID: 1yShbzchCRrZFjJxcUOHA7XWBBHN_PSp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-30_03,2026-07-29_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 phishscore=0 adultscore=0 impostorscore=0 clxscore=1015 malwarescore=0 suspectscore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607300084 On Mon, Jul 27, 2026 at 05:46:57PM +0100, Muhammad Usama Anjum wrote: > diff --git a/mm/ptdump.c b/mm/ptdump.c > index 376880071ca2a..8f19f20be3c44 100644 > --- a/mm/ptdump.c > +++ b/mm/ptdump.c > @@ -19,7 +19,7 @@ static inline int note_kasan_page_table(struct mm_walk *walk, > { > struct ptdump_state *st = walk->private; > > - st->note_page_pte(st, addr, kasan_early_shadow_pte[0]); > + st->note_page_pte(st, addr, ptep_get(kasan_early_shadow_pte)); > > walk->action = ACTION_CONTINUE; I suppose this chunk could be posted as a follow-up to commit c33c794828f2 ("mm: ptep_get() conversion") independent of this series.