From patchwork Tue Nov 7 10:30:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King (Oracle)" X-Patchwork-Id: 13448429 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 917AFC4167D for ; Tue, 7 Nov 2023 10:32:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233811AbjKGKcf (ORCPT ); Tue, 7 Nov 2023 05:32:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234027AbjKGKb6 (ORCPT ); Tue, 7 Nov 2023 05:31:58 -0500 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 2FCA310D2; Tue, 7 Nov 2023 02:30:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References: In-Reply-To:Reply-To: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=rn+nQnI2yglZwok5i89nv8u0BQpqBkj7ueRqazA/SwA=; b=ddKuX8lEUlMdHFtZSDgFPzDDic /mKla6TitBWW3KzAxoicTfcstTIgEptTLnGNDn9kpl7ZjHcoobmgT+KVhkl5l1Foq4xbsmZhRLw/v kq+/+siAPMILuvjusDAGfIYvbUdCrNKNaaivh+jaWQ70ykEFzq1KH1oylvQOJWaN9sKtRcYCegsoE yx6Qh4RJJaCGWyP0LWxj5rdXAKLBwGFFtPm+SV8M5cCV3xwn0Z5ndicwFDLnYdL2KXVMSkj+qf3m4 PT89PODMfm8S77sYHpqCsEDNmtTqFZlEViLg8TmdUnvIxG0NpCFDCua6VwVhvPlbElHZppp2QfPZ1 aL9tJ+8g==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:55706 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1r0JM4-0000J7-0N; Tue, 07 Nov 2023 10:30:44 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1r0JM5-00CTyD-Ri; Tue, 07 Nov 2023 10:30:45 +0000 In-Reply-To: References: From: "Russell King (Oracle)" To: 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, linux-csky@vger.kernel.org, linux-doc@vger.kernel.org, linux-ia64@vger.kernel.org, linux-parisc@vger.kernel.org Cc: Salil Mehta , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com, James Morse , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" Subject: [PATCH RFC 17/22] x86/topology: convert to use arch_cpu_is_hotpluggable() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Sender: Russell King Date: Tue, 07 Nov 2023 10:30:45 +0000 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Convert x86 to use the arch_cpu_is_hotpluggable() helper rather than arch_register_cpu(). Signed-off-by: Russell King (Oracle) Reviewed-by: Gavin Shan Reviewed-by: Jonathan Cameron --- arch/x86/kernel/topology.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/topology.c b/arch/x86/kernel/topology.c index 211863cb5b81..d42c28b8bfd8 100644 --- a/arch/x86/kernel/topology.c +++ b/arch/x86/kernel/topology.c @@ -36,11 +36,8 @@ #include #ifdef CONFIG_HOTPLUG_CPU -int arch_register_cpu(int cpu) +bool arch_cpu_is_hotpluggable(int cpu) { - struct cpu *c = per_cpu_ptr(&cpu_devices, cpu); - - c->hotpluggable = cpu > 0; - return register_cpu(c, cpu); + return cpu > 0; } #endif /* CONFIG_HOTPLUG_CPU */