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 B7D19C624DB for ; Thu, 3 Sep 2026 10:31:38 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AE4ED6B00C4; Thu, 3 Sep 2026 06:31:37 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ABCA66B00C7; Thu, 3 Sep 2026 06:31:37 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9D1F06B00C8; Thu, 3 Sep 2026 06:31:37 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0017.hostedemail.com [216.40.44.17]) by kanga.kvack.org (Postfix) with ESMTP id 766C26B00C4 for ; Thu, 3 Sep 2026 06:31:37 -0400 (EDT) Received: from smtpin14.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 0021416046E for ; Thu, 3 Sep 2026 10:31:36 +0000 (UTC) X-FDA: 85172084592.14.3D22E35 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf07.hostedemail.com (Postfix) with ESMTP id 5814C40004 for ; Thu, 3 Sep 2026 10:31:35 +0000 (UTC) Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=arm.com header.s=foss header.b=sXvoBVq6; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf07.hostedemail.com: domain of usama.anjum@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=usama.anjum@arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1788431495; 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-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=xJel3C5KD51LzIWy+6HaTDQ/DgOUcPGP8bybdW38tWk=; b=mnOlxhYYFx5ny1CjQHUqmOBeUP50n5O4HNd1uq+OXIXgTof4vkYYTIdUlGiDjT0N4ORU7x zVTxperHkQuwlHY5jWEd4pDMPk9pnVCNK9m5bQGFzqu/TGXQPJHX7Nrc7S4w+AjHewrtSU Mrazp4m61HUFumQAsESePx2FMnsHEr8= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1788431495; b=H0IUPCnzxt65zgFIB/9Nux2FD/WCR8s/4m5ZLz0L/J240CqjfzSQSoIlwIKjdcKLd2/azd yV4PJYLxAFK0Tt6T43/eMWT2vTDGul98ra3r9fM6CxA7b7TYMZQ3rS9BQzYE/zLJ5UHgNO g6PukIYAB2EVCu0F7mXGAkMkGFFrsOw= ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=arm.com header.s=foss header.b=sXvoBVq6; dmarc=pass (policy=none) header.from=arm.com; spf=pass (imf07.hostedemail.com: domain of usama.anjum@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=usama.anjum@arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id D6C8A1F37; Thu, 3 Sep 2026 03:31:30 -0700 (PDT) Received: from e142334-100.cambridge.arm.com (e142334-100.cambridge.arm.com [10.2.198.93]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 75F4A3F673; Thu, 3 Sep 2026 03:31:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1788431494; bh=8uqvVZKecvI6tof0d601k1uUFNGK7TSPrxBJrkWSFMs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sXvoBVq6thF4MC66REFWIycWWSSZel6llh2rEnxk29YVxzxeqTuvKzkLPQExpL5vP VIAxdYcA409XP5txGxWv7JlB54zBOpxe/Awbpe8nex8QVvSi/N1WKiqaShe9lPoTL+ u61Zttng6oGMuIVLrzcTlmYO3afTqLY+B5XmFwf0= From: Muhammad Usama Anjum To: 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, agordeev@linux.ibm.com, ryan.roberts@arm.com Cc: Muhammad Usama Anjum , 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: [PATCH v2 5/8] mm: convert PTE table entry to pte Date: Thu, 3 Sep 2026 11:29:57 +0100 Message-ID: <20260903103002.1091859-6-usama.anjum@arm.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260903103002.1091859-1-usama.anjum@arm.com> References: <20260903103002.1091859-1-usama.anjum@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 5814C40004 X-Stat-Signature: 9rncgjm1oukehquz1yufrt9ree7fdx4m X-Rspam-User: X-HE-Tag: 1788431495-689778 X-HE-Meta: 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 I5khiKcc 44Ysn2dbw4yAX5+czkJOJOlrkXgvVX2dcT0g5ShoKgBbgAOyfJ/b9JSUwnaDvWy+E6ZLW/2qvA/rbYzJC7mGpbUyfql0EthixjdRAaTVxNYHwh5pzW5M3CwWDQDRfSeyGRNxyC9dqDyszdrpJ5rrLXrkBoQeu+a++9FdjMXgNv7dorvXwhs3ncN49JUxmGmqAbeOWo/K/f7zLG2pojibPyDfJ1INRiDpOjO7ffC4gr9YTPYSuUy0HqwdIgXshIFiDVtlHevARv3UpKWHKbqITzrS0rq93LXExERL/ig8+ERtDUQ7MCXjPTE57gkgwS8OuJBNm Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: The non-MMU stub receives hw_pte_t but returns a software PTE value. It has no attached PTE that requires ptep_get(), so convert only the stored entry through __pte_from_hw(). Signed-off-by: Muhammad Usama Anjum --- Changes since v1: - Explain why the NOMMU stub does not use ptep_get(). - Use software PTE value terminology. --- include/linux/hugetlb.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 0d2101facaa50..637fc863d3687 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -1278,7 +1278,8 @@ static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, #ifdef CONFIG_MMU return ptep_get(ptep); #else - return *ptep; + /* No attached PTE that requires ptep_get(). */ + return __pte_from_hw(*ptep); #endif } -- 2.47.3