Message ID | 20230508185217.347553670@linutronix.de (mailing list archive) |
---|---|
State | Accepted |
Commit | ba831b7b1a517ba7f25d6fa9736a8092d07b0c74 |
Headers | show
Return-Path: <xen-devel-bounces@lists.xenproject.org> X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 B5695C7EE24 for <xen-devel@archiver.kernel.org>; Mon, 8 May 2023 19:43:54 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.531746.827527 (Exim 4.92) (envelope-from <xen-devel-bounces@lists.xenproject.org>) id 1pw6li-0004nA-Sp; Mon, 08 May 2023 19:43:34 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 531746.827527; Mon, 08 May 2023 19:43:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from <xen-devel-bounces@lists.xenproject.org>) id 1pw6li-0004me-Mi; Mon, 08 May 2023 19:43:34 +0000 Received: by outflank-mailman (input) for mailman id 531746; Mon, 08 May 2023 19:43:32 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from <SRS0=49Re=A5=linutronix.de=tglx@srs-se1.protection.inumbo.net>) id 1pw6lg-0004Y5-Ts for xen-devel@lists.xenproject.org; Mon, 08 May 2023 19:43:32 +0000 Received: from galois.linutronix.de (galois.linutronix.de [193.142.43.55]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id 9c161b0a-edd8-11ed-8611-37d641c3527e; Mon, 08 May 2023 21:43:30 +0200 (CEST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion <xen-devel.lists.xenproject.org> List-Unsubscribe: <https://lists.xenproject.org/mailman/options/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=unsubscribe> List-Post: <mailto:xen-devel@lists.xenproject.org> List-Help: <mailto:xen-devel-request@lists.xenproject.org?subject=help> List-Subscribe: <https://lists.xenproject.org/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xenproject.org?subject=subscribe> Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org> X-Inumbo-ID: 9c161b0a-edd8-11ed-8611-37d641c3527e 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 <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: x86@kernel.org, David Woodhouse <dwmw2@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>, 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>, "Michael Kelley (LINUX)" <mikelley@microsoft.com> 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 Content-Type: text/plain; charset=UTF-8 Date: Mon, 8 May 2023 21:43:29 +0200 (CEST) |
Series |
cpu/hotplug, x86: Reworked parallel CPU bringup
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expand
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--- 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 <NUM>. */ -void __weak arch_disable_smp_support(void) { } +void __weak __init arch_disable_smp_support(void) { } static int __init nosmp(char *str) {