From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from frasgout.his.huawei.com (frasgout.his.huawei.com [185.176.79.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A19D330311 for ; Tue, 6 Jan 2026 14:50:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.176.79.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767711005; cv=none; b=Ic4XQCrDB1vUq+vQJkw6YpC9v4jkCJ/m17LXOqDH8GFcAGp9xb0jRPjYNcZwBKUzQztHdIinGE0/DJro1ouzyCixbJTMHA0IcrH8i71lgzNqj1AkUbjwURV2eIKnzgeCn5f8Y2OG7AtZZOuOutzXqkHBXQJ3QebNyK+t4aDQxxI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767711005; c=relaxed/simple; bh=qmk9IHicIfsxj2E5iwdPSUw7497OAhZX+qC604ylSAU=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ix84kAplGuGTZ2hSHtpUCOGdXWBXakGvQOYR1nuweULKnDa5IjtdMe6tp/FMjRf+o2Yz9h13i7uTSyHR5kvtrdP0ei4Qvmy/EL4w2TOT2LjjYnx7dqI4ROY2EcCEYXS0NOXUCiQ+2mUuEv0fw+qUNXD3jEmzS51FQ5B/dnlfokE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=185.176.79.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.18.224.83]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4dlvGF1gFnzHnHGH; Tue, 6 Jan 2026 22:49:57 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id 8F2A240086; Tue, 6 Jan 2026 22:50:01 +0800 (CST) Received: from localhost (10.195.245.156) by dubpeml100005.china.huawei.com (7.214.146.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Tue, 6 Jan 2026 14:49:59 +0000 Date: Tue, 6 Jan 2026 14:49:58 +0000 From: Jonathan Cameron To: Ben Horgan CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v2 38/45] arm64: mpam: Select ARCH_HAS_CPU_RESCTRL Message-ID: <20260106144958.00005a5c@huawei.com> In-Reply-To: <20251219181147.3404071-39-ben.horgan@arm.com> References: <20251219181147.3404071-1-ben.horgan@arm.com> <20251219181147.3404071-39-ben.horgan@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: kvmarm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: lhrpeml100011.china.huawei.com (7.191.174.247) To dubpeml100005.china.huawei.com (7.214.146.113) On Fri, 19 Dec 2025 18:11:40 +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. Lol. I hope it is useful :) > > Signed-off-by: James Morse > Signed-off-by: Ben Horgan Reviewed-by: Jonathan Cameron