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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B6A8EC88E64 for ; Mon, 14 Sep 2026 13:52:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=6uBN0ZQwvtsGp1jKgpj+hxjeJ464MZfPKqor1IPMdG4=; b=oCRPkNLPVp1GRFgK/xQP0QfNwN RWMNwX4MPCO6CGZRvlC+C5q41eDri4OGI8VjBIZ6NijhRNZwp6nUCVL2QhZBrQbnZsQjjuCgQ6d5S TvaKMHp3Ut6Y3IJ7ghnhUKN4J9YoBERCBk7G8aAeEAqrVMU78mBsPx5ZF+T4h7cvrQTmwAWQEI90U 2peuug3Veb8I9MeYITEE6R9eefjFxUyJ0k+iiqO2bm4BMuF8KHsbndZkFFoca3FL1UHqJ3qpU1VdN vdvE1HNESZZvnR3nG3Z3q98ah9eYEf8x1J8nBr792Jjfmrcq+VCuaPshT/NvBmLwBBmU7bZnQrLLM gQZU6jjA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x676g-00000003rqB-1OYF; Mon, 14 Sep 2026 13:52:26 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x676a-00000003rlP-01jh for linux-arm-kernel@lists.infradead.org; Mon, 14 Sep 2026 13:52:22 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260914_065220_109961_209A2D69 X-CRM114-Status: GOOD ( 11.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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