From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 9B403221FAC for ; Thu, 15 Jan 2026 19:16:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768504618; cv=none; b=Nf5KkA/Bd0AHnlBumkcSHZbUD4aUqfqZPo7CkCo53A8MnSSsLqjzQhLp87a5XWVWr7t/jZX+a6KDK+ubHArwm528DW972Tdrg9SV0wEr3L8FWbq9ug+b0jCWaJtI39CNdi3kZjIMHhm6kBxAEMFMA1biU5ypcvS0AgLpJrs1ZT4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768504618; c=relaxed/simple; bh=9STXpVcMo3ONvOLtTOYm3EubXycqH72/uQIA8g5DvPs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ZgaQKDzSIHLRT1EqPPqqH7z0gonbTPYAWlfBLjMMNizgCZZTUygtd3q9X4OEZ8TcpkyQQyJOuC2+WdC2CeAhaSyM94lRt9tLvv44wAciFLsNy5WAeGhqbxuo5VSS+G8TfYh1ix5QJRjbsfiuhDxp6kp/n9g9czPGfOk42x7Hcj0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=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 544361515; Thu, 15 Jan 2026 11:16:50 -0800 (PST) Received: from arm.com (arrakis.cambridge.arm.com [10.1.197.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id A88313F59E; Thu, 15 Jan 2026 11:16:51 -0800 (PST) Date: Thu, 15 Jan 2026 19:16:48 +0000 From: Catalin Marinas To: Ben Horgan Cc: amitsinght@marvell.com, baisheng.gao@unisoc.com, baolin.wang@linux.alibaba.com, carl@os.amperecomputing.com, dave.martin@arm.com, david@kernel.org, dfustini@baylibre.com, fenghuay@nvidia.com, gshan@redhat.com, james.morse@arm.com, jonathan.cameron@huawei.com, kobak@nvidia.com, lcherian@marvell.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, peternewman@google.com, punit.agrawal@oss.qualcomm.com, quic_jiles@quicinc.com, reinette.chatre@intel.com, rohit.mathew@arm.com, scott@os.amperecomputing.com, sdonthineni@nvidia.com, tan.shaopeng@fujitsu.com, xhao@linux.alibaba.com, will@kernel.org, corbet@lwn.net, maz@kernel.org, oupton@kernel.org, joey.gouly@arm.com, suzuki.poulose@arm.com, kvmarm@lists.linux.dev Subject: Re: [PATCH v3 39/47] arm64: mpam: Select ARCH_HAS_CPU_RESCTRL Message-ID: References: <20260112165914.4086692-1-ben.horgan@arm.com> <20260112165914.4086692-40-ben.horgan@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260112165914.4086692-40-ben.horgan@arm.com> On Mon, Jan 12, 2026 at 04:59:06PM +0000, Ben Horgan wrote: > From: James Morse > > Enough MPAM support is present to enable ARCH_HAS_CPU_RESCTRL. Let it > rip^Wlink! > > ARCH_HAS_CPU_RESCTRL indicates resctrl can be enabled. It is enabled by the > arch code simply because it has 'arch' in its name. > > This removes ARM_CPU_RESCTRL as a mimic of X86_CPU_RESCTRL. While here, > move the ACPI dependency to the driver's Kconfig file. > > In anticipation of MPAM being useful remove the CONFIG_EXPERT restriction. > > Reviewed-by: Jonathan Cameron > Signed-off-by: James Morse > Signed-off-by: Ben Horgan Acked-by: Catalin Marinas