From patchwork Thu May 4 19:02:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Gleixner X-Patchwork-Id: 13231579 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 E5AF5C7EE2A for ; Thu, 4 May 2023 19:03:05 +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=SpeyBAy+da8y7w8Y7E9rxtGlIEc78wRwG0pJ9pEkNiw=; b=1Fmu5vzfOqV54b Ksh5Ogck8eHBKQZrIYtQRJ1JU8VWSw9L+Ypw4u6p2eA1C4c8CfTJH1qndLA02lEiEIuwD3Yz+qjgC CPCVRGRL52pggYm4B2wwJeA3YeN8vcV6yQIt5cuNU+mmR/kd22S/ZO7So9eb3+4Ca2i4X5jNigJhB Vnd0uKs/+DmQctiKRQwurDhLqfFmGS4Nhpch2vi9ZGfe88G3tOVsdh1p3+LN/HeplIAGj2q3bdnvO wqM2CmcPPc/p0fPUG+deUmfyE2UDXTVz1EeDXywlrHyi1i59fAHkdg1iyY2UjdDHCH5GEyP9aknZk R+sASgPW89JaqvtTBXTw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pueDQ-008dDj-0U; Thu, 04 May 2023 19:02:08 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pueDL-008d8D-1r; Thu, 04 May 2023 19:02:05 +0000 Message-ID: <20230504185936.424138296@linutronix.de> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1683226922; 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=waVaB+iOXpEeeQbnpvRruizzYbSaWW2RRSBQj1T/hXA=; b=fL/KXBGwhDgZ0aNNihOGlOrNlSV1oXSPmnek3reTOPzGU26K9/7I6++pxRi1WwqUlxPjOt 5Tyij4lipwiE5wx00Ug/OlbZuQGzLQ5bz0yPSCT5LRqx0FtA/i9SOYFEBjjKXXhsEYmcX0 Syt5stMGuEr0o0+HSblbMnvWZeQN7TaTrhA7dHR9yfdBmu3FPAPBUqggwPcIQGD3m48Bt5 zOf6iElxOZzofzp19LMFZlMc7WEm/MIBFclvIFumjzIiZLJwDWozF9bZ+XBECVGvq7VpEs oWtzcnhMZlsuZosoXBPM96pPurYq5mz+wcdyir0ZGlT+xHDklreyFq9FgGAJog== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1683226922; 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=waVaB+iOXpEeeQbnpvRruizzYbSaWW2RRSBQj1T/hXA=; b=FgatqUwh+JsOxmHUn9Bvq7DTwB3Lr8g2wziGsZ2rOwgPZthkB6nTAdx3egi9uzi5HZxDkx 9oTTBrbEEnqsEmDw== 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 V2 02/38] cpu/hotplug: Mark arch_disable_smp_support() and bringup_nonboot_cpus() __init References: <20230504185733.126511787@linutronix.de> MIME-Version: 1.0 Date: Thu, 4 May 2023 21:02:01 +0200 (CEST) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230504_120203_787479_A340CF2F X-CRM114-Status: GOOD ( 11.86 ) 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 From: Thomas Gleixner No point in keeping them around. Signed-off-by: Thomas Gleixner --- 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) {