Message ID | E1qvJAG-00AqQm-6R@rmk-PC.armlinux.org.uk (mailing list archive) |
---|---|
State | Handled Elsewhere |
Headers | show
Return-Path: <linux-parisc-owner@vger.kernel.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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61178C07545 for <linux-parisc@archiver.kernel.org>; Tue, 24 Oct 2023 15:20:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234928AbjJXPU4 (ORCPT <rfc822;linux-parisc@archiver.kernel.org>); Tue, 24 Oct 2023 11:20:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234846AbjJXPTk (ORCPT <rfc822;linux-parisc@vger.kernel.org>); Tue, 24 Oct 2023 11:19:40 -0400 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 8A98126AB; Tue, 24 Oct 2023 08:18:04 -0700 (PDT) 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=WbkJcP8EfdoxIJZCXfcMKFVW/i0XQ0H+6U5ilPscurM=; b=UFpyf7IBgalvU1WbMK4uFsjopi n3QYxKYZyHK3GPF00+ghNLXiOFCtl6pp8wlAjZdeBBo+1hsVMpqhTFYqVSDnaXMgPqZAaLKwUQiDG 9uvr3egTxe1FOV02vpFPdUDsfkp9i6U6JHam5QzXbOYxN7X33nA9s439YqSld4/s9jCJov8XGKHL+ JNp7n/Wabc3e93CgHUO+oxPhtxw4O4WRPce1ABFGYGzKuH5/kRJqlr0K6ewJyURrQiZVlLdhSRdP7 w3C055XibslaZrjOpVNLKJDdeaJjqxnvqA4rMmD9NMA6hA95tQ/sT/XqTlIor9TKsrxuKAy4xVBXP pfpMPhIg==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:36712 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 <rmk@armlinux.org.uk>) id 1qvJAE-0004Rl-2N; Tue, 24 Oct 2023 16:17:50 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from <rmk@rmk-PC.armlinux.org.uk>) id 1qvJAG-00AqQm-6R; Tue, 24 Oct 2023 16:17:52 +0100 In-Reply-To: <ZTffkAdOqL2pI2la@shell.armlinux.org.uk> References: <ZTffkAdOqL2pI2la@shell.armlinux.org.uk> From: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> 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 <salil.mehta@huawei.com>, Jean-Philippe Brucker <jean-philippe@linaro.org>, jianyong.wu@arm.com, justin.he@arm.com, James Morse <james.morse@arm.com>, "Rafael J. Wysocki" <rafael@kernel.org>, Len Brown <lenb@kernel.org> Subject: [PATCH 20/39] ACPI: processor: Register CPUs that are online, but not described in the DSDT MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="utf-8" Message-Id: <E1qvJAG-00AqQm-6R@rmk-PC.armlinux.org.uk> Sender: Russell King <rmk@armlinux.org.uk> Date: Tue, 24 Oct 2023 16:17:52 +0100 Precedence: bulk List-ID: <linux-parisc.vger.kernel.org> X-Mailing-List: linux-parisc@vger.kernel.org |
Series |
ACPI/arm64: add support for virtual cpuhotplug
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expand
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diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 6a542e0ce396..0511f2bc10bc 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -791,6 +791,25 @@ void __init acpi_processor_init(void) acpi_pcc_cpufreq_init(); } +static int __init acpi_processor_register_missing_cpus(void) +{ + int cpu; + + if (acpi_disabled) + return 0; + + for_each_online_cpu(cpu) { + if (!get_cpu_device(cpu)) { + pr_err_once(FW_BUG "CPU %u has no ACPI namespace description!\n", cpu); + add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK); + arch_register_cpu(cpu); + } + } + + return 0; +} +subsys_initcall_sync(acpi_processor_register_missing_cpus); + #ifdef CONFIG_ACPI_PROCESSOR_CSTATE /** * acpi_processor_claim_cst_control - Request _CST control from the platform.