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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D474EDE9A0 for ; Thu, 14 Sep 2023 10:01:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237682AbjINKBg (ORCPT ); Thu, 14 Sep 2023 06:01:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36202 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237510AbjINKBc (ORCPT ); Thu, 14 Sep 2023 06:01:32 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D66721BE3; Thu, 14 Sep 2023 03:01:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=NWYclCq21SD5zRFkefDJZFQ2FktRA9qrrbGwyrLJzCg=; b=Fh+T7vPQTOfZeLuGB3lBWXQx0J r4MQTwJYLAK4DAwUyC+9XbqxuM1qLsNj64vQU8PioYb2SumU0rcZpqLjHT41sEk5UkvgOIImXq90B XXq+k/8iS3mxW8iucyUVpFPWRoSCia/vBHMJLUi2M22IMkUtaRs2196D8Spb6zqk2kOeLIaAMKKHb yMQ9G2/Z/54rB//2TQ6eTvc1e7ISNEzqLEu+StA9oHDBVfNAd2QkQraURtILwjS24f5LmV1SAWbcE IcKsKNDseeRhjDmL4OPs69kiNrPpDv8B9Jj5EU/SqNEUGzjpCKklkf8pjZIAN2qDc329ZpFynpPJt bB1hOCqQ==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:37316) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1qgjA2-0003qN-2j; Thu, 14 Sep 2023 11:01:22 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1qgjA1-0004ev-DQ; Thu, 14 Sep 2023 11:01:21 +0100 Date: Thu, 14 Sep 2023 11:01:21 +0100 From: "Russell King (Oracle)" To: James Morse Cc: linux-pm@vger.kernel.org, loongarch@lists.linux.dev, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, kvmarm@lists.linux.dev, x86@kernel.org, Salil Mehta , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com Subject: Re: [RFC PATCH v2 08/35] x86/topology: Switch over to GENERIC_CPU_DEVICES Message-ID: References: <20230913163823.7880-1-james.morse@arm.com> <20230913163823.7880-9-james.morse@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230913163823.7880-9-james.morse@arm.com> Sender: Russell King (Oracle) Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Wed, Sep 13, 2023 at 04:37:56PM +0000, James Morse wrote: > Now that GENERIC_CPU_DEVICES calls arch_register_cpu(), which can be > overridden by the arch code, switch over to this to allow common code > to choose when the register_cpu() call is made. > > x86's struct cpus come from struct x86_cpu, which has no other members > or users. Remove this and use the version defined by common code. > > This is an intermediate step to the logic being moved to drivers/acpi, > where GENERIC_CPU_DEVICES will do the work when booting with acpi=off. I think it should also be noted that this moves the registration of CPUs from subsys to driver core initialisation (before any other initcalls are run.) -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!