From patchwork Mon Dec 16 17:54:08 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alireza Sanaee X-Patchwork-Id: 13910157 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 84FFCE7717F for ; Mon, 16 Dec 2024 17:55:16 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tNFJ0-0007N8-Ao; Mon, 16 Dec 2024 12:54:54 -0500 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 1tNFIx-00079t-F3; Mon, 16 Dec 2024 12:54:51 -0500 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 1tNFIv-00066M-9D; Mon, 16 Dec 2024 12:54:50 -0500 Received: from mail.maildlp.com (unknown [172.18.186.231]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4YBnYc5vXYz6K9ZV; Tue, 17 Dec 2024 01:51:16 +0800 (CST) Received: from frapeml500003.china.huawei.com (unknown [7.182.85.28]) by mail.maildlp.com (Postfix) with ESMTPS id 8487C140B30; Tue, 17 Dec 2024 01:54:47 +0800 (CST) Received: from a2303103017.china.huawei.com (10.47.64.21) 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; Mon, 16 Dec 2024 18:54:46 +0100 To: , CC: , , , , , , , , , , , , , , , , , , , Subject: [PATCH v4 1/7] i386/cpu: add IsDefined flag to smp-cache property Date: Mon, 16 Dec 2024 17:54:08 +0000 Message-ID: <20241216175414.1953-2-alireza.sanaee@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241216175414.1953-1-alireza.sanaee@huawei.com> References: <20241216175414.1953-1-alireza.sanaee@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.47.64.21] X-ClientProxiedBy: lhrpeml500004.china.huawei.com (7.191.163.9) To frapeml500003.china.huawei.com (7.182.85.28) Received-SPF: pass client-ip=185.176.79.56; envelope-from=alireza.sanaee@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -52 X-Spam_score: -5.3 X-Spam_bar: ----- X-Spam_report: (-5.3 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-1.13, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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 X-Patchwork-Original-From: Alireza Sanaee via From: Alireza Sanaee Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This commit adds IsDefined flag to the object and this helps in avoiding extra checks for every single layer of caches in both x86 and ARM. There is already a discussion on mailing list to have this flag. A patch that enables this flag will follow later. Signed-off-by: Alireza Sanaee Reviewed-by: Jonathan Cameron --- hw/core/machine-smp.c | 2 ++ include/hw/boards.h | 1 + 2 files changed, 3 insertions(+) diff --git a/hw/core/machine-smp.c b/hw/core/machine-smp.c index 9a28194676..5a02bbf584 100644 --- a/hw/core/machine-smp.c +++ b/hw/core/machine-smp.c @@ -371,6 +371,8 @@ bool machine_parse_smp_cache(MachineState *ms, return false; } + ms->smp_cache.IsDefined = true; + return true; } diff --git a/include/hw/boards.h b/include/hw/boards.h index db2aa2b706..2883a57084 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -373,6 +373,7 @@ typedef struct CpuTopology { typedef struct SmpCache { SmpCacheProperties props[CACHE_LEVEL_AND_TYPE__MAX]; + bool IsDefined; } SmpCache; /**