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 C8E9F26ED5B; Mon, 10 Nov 2025 16:23:35 +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=1762791819; cv=none; b=gCYR3nDfYGGZhqjXs7D44D4BRUUOjCKRIGo+M3860hB/kO1lVVq6o8JVtWSFZM4iScGTyeDnLfz+MlZP8kMYqy6fh5Z0JslXB9fi5Dy4Ypxv/oyxBLx6Dd3xCxeh1yPyUc0nS+Hs6dNbrtTD87cHrMPJjMtt33iDo2FUVyGaG8I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762791819; c=relaxed/simple; bh=8ZT2OXNdZ2uBCLKH/JF4yu29nQu0BrS1b7YRJ7GigqM=; h=Date:From:To:CC:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=a6ZSgJGS/jFX0ZxrbvpLdXX8qWQ9Td9gwXvoonNvkfMB2vJldzs/lnn4XmriOsJHD6151zCeWAG9VTgSZJEUbfIggjj7PXsmEyt6xUcys7iumAyXOPjBn1m3hJlSHWL3ycttp9lLNo1FTC7umGXhRcCY56z2oeJ5xapACtmFt3U= 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 [172.18.186.31]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4d4w2F3PGtzHnH6F; Tue, 11 Nov 2025 00:23:17 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id DBB3C1402F5; Tue, 11 Nov 2025 00:23:32 +0800 (CST) Received: from localhost (10.203.177.15) 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; Mon, 10 Nov 2025 16:23:31 +0000 Date: Mon, 10 Nov 2025 16:23:30 +0000 From: Jonathan Cameron To: Ben Horgan CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Shaopeng Tan Subject: Re: [PATCH 09/33] ACPI / MPAM: Parse the MPAM table Message-ID: <20251110162330.00002917@huawei.com> In-Reply-To: <20251107123450.664001-10-ben.horgan@arm.com> References: <20251107123450.664001-1-ben.horgan@arm.com> <20251107123450.664001-10-ben.horgan@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org 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, 7 Nov 2025 12:34:26 +0000 Ben Horgan wrote: > From: James Morse > > Add code to parse the arm64 specific MPAM table, looking up the cache > level from the PPTT and feeding the end result into the MPAM driver. > > This happens in two stages. Platform devices are created first for the > MSC devices. Once the driver probes it calls acpi_mpam_parse_resources() > to discover the RIS entries the MSC contains. > > For now the MPAM hook mpam_ris_create() is stubbed out, but will update > the MPAM driver with optional discovered data about the RIS entries. > > CC: Carl Worth > Link: https://developer.arm.com/documentation/den0065/3-0bet/?lang=en > Reviewed-by: Lorenzo Pieralisi > Tested-by: Fenghua Yu > Tested-by: Shaopeng Tan > Tested-by: Peter Newman > Signed-off-by: James Morse > Signed-off-by: Ben Horgan Nothing to add to Gavin's comments. Reviewed-by: Jonathan Cameron