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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 790DECF45DF for ; Tue, 13 Jan 2026 15:02:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:CC:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1aO947fM0DIlZKYuJmfjyCV+PFtPdMcsblFp0UIXFHU=; b=a5oMkCVfqywuc7JhAuZJzCD4sX 2FDNzVn5ofmMd1LsQT0BH3ROZTQtRy+dAt11BOL8Ou0TzyeVGPR1wIral9SKPC0UdhYmhfx36D9Fe osHyqDRK0UrA9Y8sIxH3iS7qsnsDH6qHThWMANjLG6usI4QYMsG05wrHYZ6AOaqdbxXyjwDchHdRh 51OjRuxhTCyCwg7Xn/9NQclWUMiclylKKERJlXvyahfbY1FkwCZQpYCBi+VpI2V91o5kvV/zbsCtD UWcf6j4MGvpOnxp6JLLtNkBHHCJgKH4kTKs/6dA030PwNVrObTljA9dZqKyoGhw3HEat2bT6yJEJq g6sU/eKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vffuL-00000007JoO-30Ma; Tue, 13 Jan 2026 15:02:09 +0000 Received: from frasgout.his.huawei.com ([185.176.79.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vffuI-00000007Jmp-3UEO for linux-arm-kernel@lists.infradead.org; Tue, 13 Jan 2026 15:02:08 +0000 Received: from mail.maildlp.com (unknown [172.18.224.107]) by frasgout.his.huawei.com (SkyGuard) with ESMTPS id 4drCBc4l2JzHnGgg; Tue, 13 Jan 2026 23:01:44 +0800 (CST) Received: from dubpeml100005.china.huawei.com (unknown [7.214.146.113]) by mail.maildlp.com (Postfix) with ESMTPS id C655740584; Tue, 13 Jan 2026 23:02:02 +0800 (CST) Received: from localhost (10.203.177.15) by dubpeml100005.china.huawei.com (7.214.146.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.36; Tue, 13 Jan 2026 15:02:01 +0000 Date: Tue, 13 Jan 2026 15:01:59 +0000 From: Jonathan Cameron To: Ben Horgan CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v3 26/47] arm_mpam: resctrl: Wait for cacheinfo to be ready Message-ID: <20260113150159.000053f7@huawei.com> In-Reply-To: <20260112165914.4086692-27-ben.horgan@arm.com> References: <20260112165914.4086692-1-ben.horgan@arm.com> <20260112165914.4086692-27-ben.horgan@arm.com> X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-w64-mingw32) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.203.177.15] X-ClientProxiedBy: lhrpeml100010.china.huawei.com (7.191.174.197) To dubpeml100005.china.huawei.com (7.214.146.113) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260113_070207_015784_A1A86A86 X-CRM114-Status: GOOD ( 12.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, 12 Jan 2026 16:58:53 +0000 Ben Horgan wrote: > In order to calculate the rmid realloc threshold the size of the cache > needs to be known. Cache domains will also be named after the cache id. So > that this information can be extracted from cacheinfo we need to wait for > it to be ready. The cacheinfo information is populated in device_initcall() > so we wait for that. > > Signed-off-by: James Morse > [horgan: split out from another patch] > Signed-off-by: Ben Horgan > --- > This is moved into it's own patch to allow all uses of cacheinfo to be > valid when they are introduced. I don't mind the patch but I'm not entirely following this comment. Is the point that previously there was a sneaky user before this was added in the series? Anyhow, that's not in the patch itself so Reviewed-by: Jonathan Cameron