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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 3 Sep 2019 02:03:50 +0100 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8313oMa50724980 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 3 Sep 2019 01:03:50 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E52D8A4053; Tue, 3 Sep 2019 01:03:49 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9248FA4040; Tue, 3 Sep 2019 01:03:49 +0000 (GMT) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 3 Sep 2019 01:03:49 +0000 (GMT) Received: from volution.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id 1AF7DA00EC; Tue, 3 Sep 2019 11:03:48 +1000 (AEST) Date: Tue, 3 Sep 2019 11:03:45 +1000 From: Daniel Black To: Keith Busch Cc: "Rafael J. Wysocki" , "Rafael J. Wysocki" , Len Brown , "open list:ACPI" , open list , Tao Xu Subject: Re: [PATCH] acpi/hmat: ACPI_HMAT_MEMORY_PD_VALID is deprecated in ACPI-6.3 In-Reply-To: References: <20190806042440.16445-1-daniel@linux.ibm.com> Organization: IBM X-Mailer: Claws Mail 3.17.3 (GTK+ 2.24.32; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19090301-0008-0000-0000-000003103BF1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19090301-0009-0000-0000-00004A2E8B1A Message-Id: <20190903110345.4ee753c3@volution.ozlabs.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-09-02_10:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=827 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909030008 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2 Sep 2019 23:28:50 +0200 "Rafael J. Wysocki" wrote: > On Tue, Aug 6, 2019 at 6:24 AM Daniel Black wrote: > > > > ACPI-6.3 corresponds to when hmat revision was bumped from > > 1 to 2. In this version ACPI_HMAT_MEMORY_PD_VALID was > > deprecated and made reserved. > > > > As such in revision 2+ we shouldn't be testing this flag. > > > > This is as per ACPI-6.3, 5.2.27.3, Table 5-145 > > "Memory Proximity Domain Attributes Structure" > > for Flags. > > > > Signed-off-by: Daniel Black > > Keith, any comments? FYI this was found when I was testing Tao Xu's qemu implementation of HMAT ACPI-6.3 which has no implementation of ACPI_HMAT_MEMORY_PD_VALID. Current patch implementing Memory Proximity Domain Attributes Structure: https://patchwork.kernel.org/patch/11125301/