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 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 0A09FFA373D for ; Fri, 13 Sep 2024 10:22:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sp3Qu-0005RJ-AJ; Fri, 13 Sep 2024 06:21:44 -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 1sp3Qo-0005O9-JW; Fri, 13 Sep 2024 06:21:39 -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 1sp3Qm-0002W1-R8; Fri, 13 Sep 2024 06:21:38 -0400 Received: from mail.maildlp.com (unknown [172.18.186.216]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4X4qwP1cdGz6GC9G; Fri, 13 Sep 2024 18:16:37 +0800 (CST) Received: from frapeml500008.china.huawei.com (unknown [7.182.85.71]) by mail.maildlp.com (Postfix) with ESMTPS id B33931400D8; Fri, 13 Sep 2024 18:21:30 +0800 (CST) Received: from localhost (10.203.177.66) by frapeml500008.china.huawei.com (7.182.85.71) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Fri, 13 Sep 2024 12:21:29 +0200 Date: Fri, 13 Sep 2024 11:21:28 +0100 To: Alireza Sanaee CC: , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH 2/5] i386/cpu: add IsDefined flag to smp-cache property Message-ID: <20240913112128.0000074c@Huawei.com> In-Reply-To: <20240912133829.400-3-alireza.sanaee@huawei.com> References: <20240912133829.400-1-alireza.sanaee@huawei.com> <20240912133829.400-3-alireza.sanaee@huawei.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 4.1.0 (GTK 3.24.33; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.66] X-ClientProxiedBy: lhrpeml500006.china.huawei.com (7.191.161.198) To frapeml500008.china.huawei.com (7.182.85.71) Received-SPF: pass client-ip=185.176.79.56; envelope-from=jonathan.cameron@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, 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: Jonathan Cameron From: Jonathan Cameron via Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, 12 Sep 2024 14:38:26 +0100 Alireza Sanaee wrote: > 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. Hi Ali, You mention x86 here, but no code changes to support that? Jonathan > > Signed-off-by: Alireza Sanaee > --- > 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; > > /**