From patchwork Tue Nov 21 13:44:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King \(Oracle\)" X-Patchwork-Id: 746555 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="GK8CvCux" 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 A250710EC; Tue, 21 Nov 2023 05:44:59 -0800 (PST) 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=YMO/rrzpk/fT99hfnjoBUouJ6d4LW4Gzi6oHbkmZ8c8=; b=GK8CvCuxSWeygfo9fzBQ7w1Vs4 AHDVtHC+B7b5l34WgOU4T8hL8AxjA/R28KBbaipDk0D4hrOwzQw+H4lF3/zKxSd6j8PhvbvQ8H/kU mvC0G7bHxk+QCFtsN/IrQH25IhpqAnxDLpT94xcqeqt0JhVUjKEjY3zPahSqxh1cVpbH4wdyA1XnA EEc6HJhjVub46m/4yZDEAVwMHEimt4nzQdCFAPYFuGoi14g9MZpmSq1nsXjJYotTk4AUpQxBLYgAH bU8R+GHn9q9X71Ne2iUYTebBIKn7f8/vyRSeY0zTMSfe7ZG4l8sDR9C8kuf0l1g5d7Lk9YmpM9qkr IoVjlf6w==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:35564 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 ) id 1r5R3e-00079c-2e; Tue, 21 Nov 2023 13:44:54 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1r5R3g-00Cszg-PP; Tue, 21 Nov 2023 13:44:56 +0000 In-Reply-To: References: From: "Russell King (Oracle)" 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 , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com, James Morse , Catalin Marinas , Will Deacon Subject: [PATCH 13/21] arm64: convert to arch_cpu_is_hotpluggable() Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Message-Id: Sender: Russell King Date: Tue, 21 Nov 2023 13:44:56 +0000 Convert arm64 to use the arch_cpu_is_hotpluggable() helper rather than arch_register_cpu(). Reviewed-by: Shaoqin Huang Reviewed-by: Gavin Shan Signed-off-by: Russell King (Oracle) Reviewed-by: Jonathan Cameron Acked-by: Will Deacon --- arch/arm64/kernel/setup.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c index 165bd2c0dd5a..42c690bb2d60 100644 --- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -402,13 +402,9 @@ static inline bool cpu_can_disable(unsigned int cpu) return false; } -int arch_register_cpu(int num) +bool arch_cpu_is_hotpluggable(int num) { - struct cpu *cpu = &per_cpu(cpu_devices, num); - - cpu->hotpluggable = cpu_can_disable(num); - - return register_cpu(cpu, num); + return cpu_can_disable(num); } static void dump_kernel_offset(void)