[02/37] cpu/hotplug: Mark arch_disable_smp_support() and bringup_nonboot_cpus() __init
Message ID | 20230414232309.323016954@linutronix.de |
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State | New |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id e14-20020a056a0000ce00b0063675fcafc6si5331328pfj.32.2023.04.14.16.48.35; Fri, 14 Apr 2023 16:48:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@linutronix.de header.s=2020 header.b=y8O+iHOI; dkim=neutral (no key) header.i=@linutronix.de; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=linutronix.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229917AbjDNXo1 (ORCPT <rfc822;leviz.kernel.dev@gmail.com> + 99 others); Fri, 14 Apr 2023 19:44:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54130 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229744AbjDNXoU (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Fri, 14 Apr 2023 19:44:20 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 601595260; Fri, 14 Apr 2023 16:44:19 -0700 (PDT) Message-ID: <20230414232309.323016954@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1681515856; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=sDTci1v+H+1hOBnO3MWKNQ4KSM/+mxYEdJGIWDEKpYw=; b=y8O+iHOImdrEQNmtF7SapUaot3V0yy8b8Ub9SUl+OgGsTaIJZhbZjtiR4PN4V5WCNemOca Ob8ttIQs2lYzofVI5dy3T9RFKAux9iKX/Rkv+VPjfOqV4T6XWGHXuY9IFhwqlXBTVc5Nsl KK4n8ce7YmA5TsutXdcfdM52VSR98OW8mCNQWFGg6cY3Yq6KC99p69q2+p9erXW8Qg/qAb ceQeWzd0QJGBxdpwT1wRPfHvVdxLxyyhgH/r2Dl9U2nA2Jo/APevn/jIIjbNa3EFkc7Pxb zX0dOALraGxj/DlefvHJr1NZVmMqpk/+HdfNk32Kc/stZp2q/WmPtDMIe6OaIQ== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1681515856; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: references:references; bh=sDTci1v+H+1hOBnO3MWKNQ4KSM/+mxYEdJGIWDEKpYw=; b=HMWjVuC1heTl6ACr7VnRkYnxnf9HNU4lYZlkNOeO1jQ9uLiC6+ocCzTSyzyWZjYVjiCgZf cRj6X0w+T3BbGTBA== From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: x86@kernel.org, David Woodhouse <dwmw@infradead.org>, Andrew Cooper <andrew.cooper3@citrix.com>, Brian Gerst <brgerst@gmail.com>, "Arjan van de Veen" <arjan@linux.intel.com>, Paolo Bonzini <pbonzini@redhat.com>, Paul McKenney <paulmck@kernel.org>, Tom Lendacky <thomas.lendacky@amd.com>, Sean Christopherson <seanjc@google.com>, Oleksandr Natalenko <oleksandr@natalenko.name>, Paul Menzel <pmenzel@molgen.mpg.de>, "Guilherme G. Piccoli" <gpiccoli@igalia.com>, Piotr Gorski <lucjan.lucjanov@gmail.com>, David Woodhouse <dwmw@amazon.co.uk>, Usama Arif <usama.arif@bytedance.com>, Juergen Gross <jgross@suse.com>, Boris Ostrovsky <boris.ostrovsky@oracle.com>, xen-devel@lists.xenproject.org, Russell King <linux@armlinux.org.uk>, Arnd Bergmann <arnd@arndb.de>, linux-arm-kernel@lists.infradead.org, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Guo Ren <guoren@kernel.org>, linux-csky@vger.kernel.org, Thomas Bogendoerfer <tsbogend@alpha.franken.de>, linux-mips@vger.kernel.org, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, Helge Deller <deller@gmx.de>, linux-parisc@vger.kernel.org, Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, linux-riscv@lists.infradead.org, Mark Rutland <mark.rutland@arm.com>, Sabin Rapan <sabrapan@amazon.com> Subject: [patch 02/37] cpu/hotplug: Mark arch_disable_smp_support() and bringup_nonboot_cpus() __init References: <20230414225551.858160935@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Date: Sat, 15 Apr 2023 01:44:16 +0200 (CEST) X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1763197458748808812?= X-GMAIL-MSGID: =?utf-8?q?1763197458748808812?= |
Series |
cpu/hotplug, x86: Reworked parallel CPU bringup
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Commit Message
Thomas Gleixner
April 14, 2023, 11:44 p.m. UTC
No point in keeping them around.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
arch/x86/kernel/smpboot.c | 4 ++--
kernel/cpu.c | 2 +-
kernel/smp.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
--- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1269,9 +1269,9 @@ int native_cpu_up(unsigned int cpu, stru } /** - * arch_disable_smp_support() - disables SMP support for x86 at runtime + * arch_disable_smp_support() - Disables SMP support for x86 at boottime */ -void arch_disable_smp_support(void) +void __init arch_disable_smp_support(void) { disable_ioapic_support(); } --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -1502,7 +1502,7 @@ int bringup_hibernate_cpu(unsigned int s return 0; } -void bringup_nonboot_cpus(unsigned int setup_max_cpus) +void __init bringup_nonboot_cpus(unsigned int setup_max_cpus) { unsigned int cpu; --- a/kernel/smp.c +++ b/kernel/smp.c @@ -1051,7 +1051,7 @@ EXPORT_SYMBOL(setup_max_cpus); * SMP mode to <NUM>. */ -void __weak arch_disable_smp_support(void) { } +void __weak __init arch_disable_smp_support(void) { } static int __init nosmp(char *str) {