From nobody Mon Mar 10 03:02:58 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=arm.com Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1741334379129629.9804972053181; Thu, 6 Mar 2025 23:59:39 -0800 (PST) Received: from list by lists.xenproject.org with outflank-mailman.904639.1312504 (Exim 4.92) (envelope-from ) id 1tqSbc-0006c0-F2; Fri, 07 Mar 2025 07:58:52 +0000 Received: by outflank-mailman (output) from mailman id 904639.1312504; Fri, 07 Mar 2025 07:58:52 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tqSbc-0006bo-Bv; Fri, 07 Mar 2025 07:58:52 +0000 Received: by outflank-mailman (input) for mailman id 904639; Fri, 07 Mar 2025 07:58:50 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1tqSba-0006aB-LE for xen-devel@lists.xenproject.org; Fri, 07 Mar 2025 07:58:50 +0000 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by se1-gles-flk1.inumbo.com (Halon) with ESMTP id fdbd3535-fb29-11ef-9898-31a8f345e629; Fri, 07 Mar 2025 08:58:44 +0100 (CET) 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 70A0822C8; Thu, 6 Mar 2025 23:58:56 -0800 (PST) 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 C1CA73F673; Thu, 6 Mar 2025 23:58:42 -0800 (PST) X-Outflank-Mailman: Message body and most headers restored to incoming version 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: fdbd3535-fb29-11ef-9898-31a8f345e629 From: Luca Fancellu To: xen-devel@lists.xenproject.org Cc: Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk Subject: [PATCH v4 2/2] xen/arm: Restrict Kconfig configuration for LLC coloring Date: Fri, 7 Mar 2025 07:58:18 +0000 Message-Id: <20250307075818.740649-3-luca.fancellu@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250307075818.740649-1-luca.fancellu@arm.com> References: <20250307075818.740649-1-luca.fancellu@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1741334381318019000 Content-Type: text/plain; charset="utf-8" Xen LLC coloring feature can be used only on the MMU subsystem, move the code that selects it from ARM_64 to MMU and add the ARM_64 dependency. Signed-off-by: Luca Fancellu Reviewed-by: Michal Orzel --- v4 changes: - clarified that it's the Xen feature LLC coloring that is not applicable to the MPU subsystem, not the generic cache coloring method. - Add R-by Michal v3 changes: - Dropped comment on top of boot_fdt_info() v2 changes: - dropped part of the v1 code, now this one is simpler, I will discuss better how to design a common boot flow for MPU and implement on another patch. --- --- xen/arch/arm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/Kconfig b/xen/arch/arm/Kconfig index a26d3e11827c..ffdff1f0a36c 100644 --- a/xen/arch/arm/Kconfig +++ b/xen/arch/arm/Kconfig @@ -8,7 +8,6 @@ config ARM_64 depends on !ARM_32 select 64BIT select HAS_FAST_MULTIPLY - select HAS_LLC_COLORING if !NUMA =20 config ARM def_bool y @@ -76,6 +75,7 @@ choice =20 config MMU bool "MMU" + select HAS_LLC_COLORING if !NUMA && ARM_64 select HAS_PMAP select HAS_VMAP select HAS_PASSTHROUGH --=20 2.34.1