From patchwork Fri Mar 4 17:46:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marco Solieri X-Patchwork-Id: 12769742 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 1DF99C433FE for ; Fri, 4 Mar 2022 18:17:12 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.284418.483726 (Exim 4.92) (envelope-from ) id 1nQCU8-0003Ny-RN; Fri, 04 Mar 2022 18:17:00 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 284418.483726; Fri, 04 Mar 2022 18:17:00 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nQCU8-0003KH-87; Fri, 04 Mar 2022 18:17:00 +0000 Received: by outflank-mailman (input) for mailman id 284418; Fri, 04 Mar 2022 17:48:02 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1nQC26-0005R5-L6 for xen-devel@lists.xenproject.org; Fri, 04 Mar 2022 17:48:02 +0000 Received: from radon.xt3.it (radon.xt3.it [2a01:4f8:190:4055::2]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 3a9a258e-9be3-11ec-8539-5f4723681683; Fri, 04 Mar 2022 18:47:58 +0100 (CET) Received: from nb2assolieri.mat.unimo.it ([155.185.4.56] helo=localhost) by radon.xt3.it with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1nQC22-0008QK-5S; Fri, 04 Mar 2022 18:47:58 +0100 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 3a9a258e-9be3-11ec-8539-5f4723681683 From: Marco Solieri To: xen-devel@lists.xenproject.org Cc: Marco Solieri , Andrew Cooper , George Dunlap , Jan Beulich , Julien Grall , Stefano Stabellini , Wei Liu , Marco Solieri , Andrea Bastoni , Luca Miccio Subject: [PATCH 07/36] xen/arm: add coloring data to domains Date: Fri, 4 Mar 2022 18:46:32 +0100 Message-Id: <20220304174701.1453977-8-marco.solieri@minervasys.tech> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220304174701.1453977-1-marco.solieri@minervasys.tech> References: <20220304174701.1453977-1-marco.solieri@minervasys.tech> MIME-Version: 1.0 From: Luca Miccio We want to be able to associate an assignment of cache colors to each domain. Add a configurable-length array containing a set of color indices in the domain data. Signed-off-by: Luca Miccio Signed-off-by: Marco Solieri --- xen/include/xen/sched.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/xen/include/xen/sched.h b/xen/include/xen/sched.h index 10ea969c7a..bfbe72b3ea 100644 --- a/xen/include/xen/sched.h +++ b/xen/include/xen/sched.h @@ -388,6 +388,10 @@ struct domain atomic_t shr_pages; /* shared pages */ atomic_t paged_pages; /* paged-out pages */ + /* Coloring. */ + uint32_t *colors; + uint32_t max_colors; + /* Scheduling. */ void *sched_priv; /* scheduler-specific data */ struct sched_unit *sched_unit_list;