From nobody Sun Nov 16 00:58:29 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1745408575; cv=none; d=zohomail.com; s=zohoarc; b=mI9ulqkm/H5gglAr8yA4mp6ZU4FFZ6baQorapr28wC5GsMPxYEa6wzzFrPZ3I3Q3no5eVAD6s7wmXvKpg54WIW4ey3YrACm2n1Wi8cg9ml86CeDNgVgZXB0VuYXE45i1Occ/XdjKaTuYwvXQJhzgoP4gFjxtaC+KcmEO8L2VTgE= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1745408575; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:Reply-To:References:Sender:Subject:Subject:To:To:Message-Id; bh=FeTRo79QAn/NXB51RddhUwlqFyv5iAm0IukiaZZglkU=; b=YIIuQE1MCDySwuwSyo2dd+XGTh6GDN7oqVfc6LBNugOSNBALHo6Z/+JneSeR5RmwiaXpLyyaeJ07Wnik1HQDp6qrkVGhlhxs1skivdRGJi3k4jpOkAROJK7kbiCKoMIvkpuss3ugS0gyEajAajGlao3MuYuIEF8nUNPFb/s2K9w= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1745408575766390.9752787009139; Wed, 23 Apr 2025 04:42:55 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1u7YV2-0007TC-7b; Wed, 23 Apr 2025 07:42:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1u7YUz-0007No-4m for qemu-devel@nongnu.org; Wed, 23 Apr 2025 07:42:41 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1u7YUw-0004g0-TP for qemu-devel@nongnu.org; Wed, 23 Apr 2025 07:42:40 -0400 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4ZjHCt0ccxz6K9Lj; Wed, 23 Apr 2025 19:38:02 +0800 (CST) Received: from frapeml500003.china.huawei.com (unknown [7.182.85.28]) by mail.maildlp.com (Postfix) with ESMTPS id 131611402ED; Wed, 23 Apr 2025 19:42:36 +0800 (CST) Received: from a2303103017.china.huawei.com (10.47.28.126) by frapeml500003.china.huawei.com (7.182.85.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 23 Apr 2025 13:42:35 +0200 To: CC: , , , , , , , , , Subject: [PATCH v3 2/5] hw/acpi/aml-build: Set identical implementation flag for PPTT processor nodes Date: Wed, 23 Apr 2025 12:41:27 +0100 Message-ID: <20250423114130.902-3-alireza.sanaee@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250423114130.902-1-alireza.sanaee@huawei.com> References: <20250423114130.902-1-alireza.sanaee@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.47.28.126] X-ClientProxiedBy: lhrpeml500012.china.huawei.com (7.191.174.4) To frapeml500003.china.huawei.com (7.182.85.28) Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=185.176.79.56; envelope-from=alireza.sanaee@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-to: Alireza Sanaee From: Alireza Sanaee via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1745408577412019000 Content-Type: text/plain; charset="utf-8" From: Yicong Yang Per ACPI 6.5 Table 5.158: Processor Structure Flags, the identical implementation flag indicates whether all the children processors of this node share the same identical implementation revision. Currently Linux support parsing this field [1] and maybe used to identify the heterogeneous platform. Since qemu only support homogeneous emulation, set this flag for all the processor node to indicates the facts when building the PPTT table. Node leaf is an exception since spec says this flag should be ignored on leaf nodes by OSPM. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree= /drivers/acpi/pptt.c?h=3Dv6.11-rc1#n810 Signed-off-by: Yicong Yang Reviewed-by: Jonathan Cameron Signed-off-by: Alireza Sanaee --- hw/acpi/aml-build.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index f8f93a9f66c8..560cee12a24b 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -2173,7 +2173,8 @@ void build_pptt(GArray *table_data, BIOSLinker *linke= r, MachineState *ms, core_id =3D -1; socket_offset =3D table_data->len - pptt_start; build_processor_hierarchy_node(table_data, - (1 << 0), /* Physical package */ + (1 << 0) | /* Physical package */ + (1 << 4), /* Identical Implementation */ 0, socket_id, NULL, 0); } =20 @@ -2184,7 +2185,8 @@ void build_pptt(GArray *table_data, BIOSLinker *linke= r, MachineState *ms, core_id =3D -1; cluster_offset =3D table_data->len - pptt_start; build_processor_hierarchy_node(table_data, - (0 << 0), /* Not a physical package */ + (0 << 0) | /* Not a physical package */ + (1 << 4), /* Identical Implementation */ socket_offset, cluster_id, NULL, 0); } } else { @@ -2202,7 +2204,8 @@ void build_pptt(GArray *table_data, BIOSLinker *linke= r, MachineState *ms, core_id =3D cpus->cpus[n].props.core_id; core_offset =3D table_data->len - pptt_start; build_processor_hierarchy_node(table_data, - (0 << 0), /* Not a physical package */ + (0 << 0) | /* Not a physical package */ + (1 << 4), /* Identical Implementation */ cluster_offset, core_id, NULL, 0); } =20 --=20 2.34.1