From patchwork Tue Apr 1 08:58:55 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luca Fancellu X-Patchwork-Id: 14034504 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 lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 CE7C1C36014 for ; Tue, 1 Apr 2025 08:59:23 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.933679.1335586 (Exim 4.92) (envelope-from ) id 1tzXSl-0003KA-Oy; Tue, 01 Apr 2025 08:59:15 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 933679.1335586; Tue, 01 Apr 2025 08:59:15 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tzXSl-0003JI-LU; Tue, 01 Apr 2025 08:59:15 +0000 Received: by outflank-mailman (input) for mailman id 933679; Tue, 01 Apr 2025 08:59:14 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tzXSk-0002OX-Nc for xen-devel@lists.xenproject.org; Tue, 01 Apr 2025 08:59:14 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-sth1.inumbo.com (Halon) with ESMTP id 9592794f-0ed7-11f0-9ea7-5ba50f476ded; Tue, 01 Apr 2025 10:59:14 +0200 (CEST) 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 F3179150C; Tue, 1 Apr 2025 01:59:16 -0700 (PDT) Received: from e125770.cambridge.arm.com (e125770.arm.com [10.1.199.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 779473F694; Tue, 1 Apr 2025 01:59:12 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 9592794f-0ed7-11f0-9ea7-5ba50f476ded From: Luca Fancellu To: xen-devel@lists.xenproject.org Cc: Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk Subject: [PATCH v4 4/7] arm/mpu: Kconfig symbols for MPU build Date: Tue, 1 Apr 2025 09:58:55 +0100 Message-Id: <20250401085858.2228991-5-luca.fancellu@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250401085858.2228991-1-luca.fancellu@arm.com> References: <20250401085858.2228991-1-luca.fancellu@arm.com> MIME-Version: 1.0 The MPU system requires static memory to work, select that when building this memory management subsystem. While there, provide a restriction for the ARM_EFI Kconfig parameter to be built only when !MPU, the EFI stub is not used as there are no implementation of UEFI services for armv8-r. Signed-off-by: Luca Fancellu Reviewed-by: Michal Orzel --- v4 changes: - no changes v3 changes: - No changes v2 changes: - clarified commit message about static memory - Add R-by Michal --- xen/arch/arm/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index 466b7db63cfd..7a7658812d0e 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -85,6 +85,7 @@ config MMU config MPU bool "MPU" if UNSUPPORTED + select STATIC_MEMORY help Memory Protection Unit (MPU). Select if you plan to run Xen on ARMv8-R systems supporting EL2. (UNSUPPORTED) @@ -102,7 +103,7 @@ config ACPI config ARM_EFI bool "UEFI boot service support" - depends on ARM_64 + depends on ARM_64 && !MPU default y help This option provides support for boot services through