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 807D0C88E73 for ; Mon, 14 Sep 2026 13:52:28 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 366AA6B009D; Mon, 14 Sep 2026 09:52:23 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 316B86B009E; Mon, 14 Sep 2026 09:52:23 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 22E266B009F; Mon, 14 Sep 2026 09:52:23 -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 EE1A46B009D for ; Mon, 14 Sep 2026 09:52:22 -0400 (EDT) Received: from smtpin13.hostedemail.com (lb01a-stub [10.200.18.249]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 3FD6680156 for ; Mon, 14 Sep 2026 13:52:22 +0000 (UTC) X-FDA: 85212507324.13.56636D7 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by imf31.hostedemail.com (Postfix) with ESMTP id 5933520008 for ; Mon, 14 Sep 2026 13:52:20 +0000 (UTC) Authentication-Results: imf31.hostedemail.com; dkim=pass header.d=arm.com header.s=foss header.b=VxM1nVkm; spf=pass (imf31.hostedemail.com: domain of usama.anjum@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=usama.anjum@arm.com; dmarc=pass (policy=none) header.from=arm.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1789393940; 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:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=6uBN0ZQwvtsGp1jKgpj+hxjeJ464MZfPKqor1IPMdG4=; b=HfjH/MjAmtjdbOjI5q5ql2+izKVZrxlZrlX/Q2jFocXrhdY9ZXvzglLupHUY8PDBuzjL4j MMpfGMkg36aZtjjqvZan0Tuo2zmE4lvOzU4LAI/mTEL6nYiF6ECItHaOcmnHc564XNxdOd dch+qjCN32sxYm123QBKMtwIkheIWjg= ARC-Seal: i=1; a=rsa-sha256; d=hostedemail.com; s=arc-20220608; cv=none; t=1789393940; b=ZG0vjrXuIJidvYdXE5gxo/we2fRRZObim6ihZb4TQGJqJ7rtkkCRgBcDR6ga4fOQ/4z3rv rBZa07gG6oA8xebeh3kRkO0SfAjo8pCqkCiI6z24jkUR7ESnsixVrYjPZoPst4TnPNgSXE HlAWhp2J9GGOYqBRhJOrRLAUmQrOva0= ARC-Authentication-Results: i=1; imf31.hostedemail.com; dkim=pass header.d=arm.com header.s=foss header.b=VxM1nVkm; spf=pass (imf31.hostedemail.com: domain of usama.anjum@arm.com designates 217.140.110.172 as permitted sender) smtp.mailfrom=usama.anjum@arm.com; dmarc=pass (policy=none) header.from=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 D668A1570; Mon, 14 Sep 2026 06:52:15 -0700 (PDT) Received: from [127.0.1.1] (e142334-100.cambridge.arm.com [10.2.198.93]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3FF1A3F882; Mon, 14 Sep 2026 06:52:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789393939; bh=shLHKCHn3ZdXre7hsjCS5Jwr6cqRreukZfraeH8Cy3s=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=VxM1nVkmYNPpjHBF/3TyegZsi3gXy2y2TPeff4ji5cA2NOgdRBg5Ne4BamFW32epl YgRiY41HrMSGBYlXBxqXq02UzbkG0f0IOxJzTyytmQEgFIuWVkudJF3DN5r+KpdL8C 9EM6umX4vRSY4FuskG1d6abnjmKoyuwOeT6yCXww= From: Muhammad Usama Anjum Date: Mon, 14 Sep 2026 14:51:34 +0100 Subject: [PATCH 4/6] arm64: use hw_pte_t for fixmap HW PTEs MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260914-pte0_arm-v1-4-bb53b663e396@arm.com> References: <20260914-pte0_arm-v1-0-bb53b663e396@arm.com> In-Reply-To: <20260914-pte0_arm-v1-0-bb53b663e396@arm.com> To: Catalin Marinas , Will Deacon , Mark Rutland , Ard Biesheuvel , Ilias Apalodimas , Andrey Ryabinin , Alexander Potapenko , Andrey Konovalov , Dmitry Vyukov , Vincenzo Frascino , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-efi@vger.kernel.org, kasan-dev@googlegroups.com, linux-mm@kvack.org, Muhammad Usama Anjum X-Mailer: b4 0.16.0 X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 5933520008 X-Stat-Signature: 1hp5ikidcc53bjk3gd3nrqor9u8r4pwo X-Rspam-User: X-HE-Tag: 1789393940-427766 X-HE-Meta: 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 3VAonUpE 4PGAk1CenAKfvs4sMTgXTfzx/+R2Yp8pMnXAwgYgy+MS7iO7q+Vbn8+BbCUtwdJxvl1fIGmKF4Cw7sres7px8r11621d3q94iWCpQZjmyX/aZMWB95aImKgK5IxxNcJkInXCTBAD2jh0n4r8t5X1/CUle/JittuYk8Jpokr0hGtqwKftCzYzADu1FhJshqpz7tUaKxJHF6pELg/mqBdJJV0v+N3QX8cEqcUoSsgs+O+Xv4jmcqMgeWwMU7RX4QHe/OlQHN0UUnYaTd/6NOWEny/syV1KuGEhqbdSv65PIJ6HHWigRmLoJvcXHr6r+Q9w/x3La1NYiEGIB6eloi8WMUDGR6aoncf9ip4Tr/WY4ZA7R5aU6QaEmZP99mg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: fixmap_pte() returns a pointer into bm_pte, and early_fixmap_init_pte() installs those arrays as page tables. Their elements are therefore HW PTEs. Change the element type of bm_pte to hw_pte_t so it matches the HW PTE pointers returned and passed to the accessors. This is needed before ARCH_HAS_HW_PTE_T makes HW PTEs and SW PTE values distinct types; the array dimensions and placement are unchanged. Signed-off-by: Muhammad Usama Anjum --- arch/arm64/mm/fixmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/fixmap.c b/arch/arm64/mm/fixmap.c index 237a9136bc73b..709a97fe327d8 100644 --- a/arch/arm64/mm/fixmap.c +++ b/arch/arm64/mm/fixmap.c @@ -31,7 +31,7 @@ static_assert(NR_BM_PMD_TABLES == 1); #define BM_PTE_TABLE_IDX(addr) __BM_TABLE_IDX(addr, PMD_SHIFT) -static pte_t bm_pte[NR_BM_PTE_TABLES][PTRS_PER_PTE] __bss_pgtbl; +static hw_pte_t bm_pte[NR_BM_PTE_TABLES][PTRS_PER_PTE] __bss_pgtbl; static pmd_t bm_pmd[PTRS_PER_PMD] __bss_pgtbl __maybe_unused; static pud_t bm_pud[PTRS_PER_PUD] __bss_pgtbl __maybe_unused; -- 2.47.3