From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 5CD61CCF9E3 for ; Mon, 10 Nov 2025 16:23:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:CC:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=v6VMdbNJG2dbOLkOUaYCJt+GYPDGK+vrkp4bb3wKy/A=; b=JQigfl1lp2LPBYQtFc2Gpyla8s BC48f0mKWaNRbBJdh584E+/T4dYdrQ2E0HiHbfOrLX7EXqew2FvN0m1wFFkWhGkp/6ALcBklkiG52 1m2F9PliIR+AaxPqfW7kAnmz9eiSPiH3NZ0sXAqRsIL4PpCgVhYdmO1A9uQsDs6CijEauql3gr3nV aJGeTUb7vEsbiueHEvdu8iNsPEHHdoKWCkRPKXWRDbhg88M5nlgeRLhWHQ32aMwuDugJ1gUKzxLgr U9HBLlUvbBg5kXpoa+e7hyR4ZilmupWqKke5yjmibHW9AKndtMFNAxEqnapwS9PHvP/HktS6mZW4H fWMfaj5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIUgA-00000005mks-1YyV; Mon, 10 Nov 2025 16:23:42 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vIUg7-00000005mkT-1Kio for linux-arm-kernel@lists.infradead.org; Mon, 10 Nov 2025 16:23:41 +0000 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) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml100011.china.huawei.com (7.191.174.247) To dubpeml100005.china.huawei.com (7.214.146.113) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251110_082339_526351_8A4ACED7 X-CRM114-Status: GOOD ( 10.33 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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