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 766FEC88E72 for ; Mon, 14 Sep 2026 13:52:42 +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=lCD4n7rWGdeDm9sPatwiMIB+f6NruyudWkFMBNFF1nY=; b=1oy6CzGbortCNwcTYJC+/euA2E PFkGf/x5d7jLj7VpwLGHXVouFM4J45B2DKyD0IQyDwwawiugPu2uxXUfOBzNyb5euHSLuoWItHaGr k/Sdyo5UonelmPX6MUaAN2gsNFuCuvA9ZRVSMGiuipsQsqKB07JaIKEjKNoe4ekluFhOtUMA2Eb7L Z6+m8nRDfybPAWMhVYeMnCi55gdf00ZLUWDqRSH5q24pHyT72cIBixlSKF21ylyAsFqG5DNm/0VgD zmbe8Y7icI3LRh/MyrV/aRAwKAZUEqkuJq46hEL2W/5MEaYOksjvphbk9M0FKF5VKwao3Uuv+yXCz BPdHbZTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x676p-00000003rwR-0Bma; Mon, 14 Sep 2026 13:52:35 +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 1x676i-00000003rs3-1bb4 for linux-arm-kernel@lists.infradead.org; Mon, 14 Sep 2026 13:52:29 +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 E6DC61570; Mon, 14 Sep 2026 06:52:22 -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 4FC283F882; Mon, 14 Sep 2026 06:52:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1789393946; bh=e4ntXcUDjdHd2MfAB02Vr1Et9b59XeXUsYWhphwiZL0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=gHy6581v3Osy62vEgipfLO7U9hGflqXQ1eCPuqXwQrCBqd/7/OFx2bCOuwhgz4k3E ZnsOLh53E6Jlr+SeHyB3quPKCabxE0k+Qxa0dkfRIjMVgipHmzQYWXIFYq3OLPXMss Mc8NOBq/1UzJG/ibmkDVamAsZWuVXbHEJOWLMyeo= From: Muhammad Usama Anjum Date: Mon, 14 Sep 2026 14:51:36 +0100 Subject: [PATCH 6/6] arm64: enable a distinct type for HW PTEs MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260914-pte0_arm-v1-6-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_065228_474481_59518D5F X-CRM114-Status: UNSURE ( 7.63 ) X-CRM114-Notice: Please train this message. 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 With HW PTE pointers and direct HW PTE accesses converted, arm64 can use the generic hw_pte_t wrapper instead of the pte_t alias. Select ARCH_HAS_HW_PTE_T to give HW PTEs and SW PTE values distinct C types. Signed-off-by: Muhammad Usama Anjum --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 2bbeded33da0d..42841d5e2ed26 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -31,6 +31,7 @@ config ARM64 select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_GIGANTIC_PAGE + select ARCH_HAS_HW_PTE_T select ARCH_HAS_KCOV select ARCH_HAS_KERNEL_FPU_SUPPORT if KERNEL_MODE_NEON select ARCH_HAS_KEEPINITRD -- 2.47.3