From patchwork Mon May 8 19:43:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 13234888 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 0D81EC7EE2C for ; Mon, 8 May 2023 19:43:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Date:MIME-Version:References:Subject:Cc :To:From:Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: List-Owner; bh=+XEiF5Y4vBo2PQlWvHHmc7CzjNJONd9qjWkhLTL3R3s=; b=xM6zJjMhDDingw XMsdhXsgarjH07WnJb9cHEVQcF51xYIW5qIZrLL4Gp6SIjhUgu0eb5vYJP20Rq27QGF/Vgwrk2ASq BPeWJBWk/RzEC1Qrc+JhOIyAkzi7NidNDKixcfCr4tc7MNWTuyu+DYaA9S6JYjVpmuNZ4Wqh8jifD RZCJGBIagHAp4vN811c1TMLmMcAyv+VNweoKNSzkpC0q7jJSv100KoNHPRGxdMBYB0xZEI6LxEutU JQFqJDDcwXGJO1qkAGeiolU4LiZfLicmXsf21AbeNDS9ObmOgIH1NY8803opRFOVORth77ozOkhpO fl2V7k7osw0DAkvCE3xw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pw6lp-001E0A-2A; Mon, 08 May 2023 19:43:41 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pw6lg-001DrY-2T; Mon, 08 May 2023 19:43:36 +0000 Message-ID: <20230508185217.347553670@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1683575010; 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=S9LsovJrwK7U1/6r/D/tJ1OdnJxm0UpeZcX2eXUL15I=; b=C5NEL7Sc3xFfKL0CxGkuq3u1SI/3MBmp8kg2JO4gnaU2mJzbEGpxk1b+m4QK7KTPpH4pVj Je5YQoIAQw415ZdCKvoZrpOxEKSNL3+6l5SO/FrWT4Ni5Ew2CIek1ECZ03FWVa1H7bKFIY LtzTqoDPPuHjD06VN2npWHg8rtixxSjX0ftouZEEd0Sf7pS2qYVGbOuU6h7xDtyTYslukj RHbaiW/MH2YP0HMjKAgYUFdeqyVOkzsdpwguiZgepsxXygbQqBa+QVNMrwxQBM3ZdZlm5u Q1RjNUaXEpp4826qTOW50h9LZGHuPZq497+v7TvVBOTfkKOpxxTiLHhDN67CUw== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1683575010; 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=S9LsovJrwK7U1/6r/D/tJ1OdnJxm0UpeZcX2eXUL15I=; b=zSCuoKEKQteV6nPjwNnN8p1R7pY/jEKhW4RIT67a4neXwQLEhCVtxH6R7aW9FeOFUi4146 WzFetV3Y74q63+Bg== From: Thomas Gleixner To: LKML Cc: x86@kernel.org, David Woodhouse , Andrew Cooper , Brian Gerst , Arjan van de Veen , Paolo Bonzini , Paul McKenney , Tom Lendacky , Sean Christopherson , Oleksandr Natalenko , Paul Menzel , "Guilherme G. Piccoli" , Piotr Gorski , Usama Arif , Juergen Gross , Boris Ostrovsky , xen-devel@lists.xenproject.org, Russell King , Arnd Bergmann , linux-arm-kernel@lists.infradead.org, Catalin Marinas , Will Deacon , Guo Ren , linux-csky@vger.kernel.org, Thomas Bogendoerfer , linux-mips@vger.kernel.org, "James E.J. Bottomley" , Helge Deller , linux-parisc@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , linux-riscv@lists.infradead.org, Mark Rutland , Sabin Rapan , "Michael Kelley (LINUX)" Subject: [patch v3 02/36] cpu/hotplug: Mark arch_disable_smp_support() and bringup_nonboot_cpus() __init References: <20230508181633.089804905@linutronix.de> MIME-Version: 1.0 Date: Mon, 8 May 2023 21:43:29 +0200 (CEST) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230508_124332_947138_2C84F9AB X-CRM114-Status: GOOD ( 11.89 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Thomas Gleixner No point in keeping them around. Signed-off-by: Thomas Gleixner Tested-by: Michael Kelley --- 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 @@ -892,7 +892,7 @@ EXPORT_SYMBOL(setup_max_cpus); * SMP mode to . */ -void __weak arch_disable_smp_support(void) { } +void __weak __init arch_disable_smp_support(void) { } static int __init nosmp(char *str) {