From patchwork Tue Nov 21 13:45:37 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: 13463164 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 4A10FC61D92 for ; Tue, 21 Nov 2023 13:47:33 +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:Message-Id: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-Owner; bh=DQg62H5qUyImqVwCWTAe0CLmzMx8sUdDkrezGensaY8=; b=NcKOfQ2FTeB1Ha WdM6y5Lx4Xxk0qmeryg9rRpDw/iBo15X3zZVkv7EjKsRBUM3BokclBwQQrNryJdsftkIbpYMeA+tX gy45y/7CQK4pYxWjn+fkgxbUYsCV00P7bomodMEZQv8wJ2hrWq2j/fh80NQ5b+mo1Vbhdclo/8dhH P6QD0kSdxzqXqHJv1ZMZyDkDmhgNvJuu8GI+v6XF2i/HiBo+wOQPWX+xVqCJH/CPK/L/K4Jq+FKf9 Wrm6Ut6GkOGMm+IAJLEcNQLEmmO01evWi12WjKG/l/YcEVPy1DmT+FFKUabe5YdNKAXai1QkLi3Gr iKFr8unW4ZaVTbHvknMw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r5R69-00GtHu-1Y; Tue, 21 Nov 2023 13:47:29 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r5R66-00GtFz-2Q; Tue, 21 Nov 2023 13:47:26 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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; bh=6zOoGrrmAHYsbAYjPwlImlFJnip+vYBWOCuz8Ez17B0=; b=frV0WfI8EcvIbHWPV6O2NfoRNX gcjPuXdMQOaTZpabakNW5eugyLOlnh+06VIgssOxXMC5gqMVVING95CDO1iUhEMn1XYikF1y9ns3w X5WGdXEHT2q465QgqdUPkzEnJvbxQFSlQ/OoGqttvPxZcpcTMo+hSb+VyWuQU4jj3/zNIBO9VK7N0 eZOAgO/LuIT63gndJcrIuRRYnRY6rJrOcjxW1KKV6i+/tJ7tWeXw9qnZGruyovg4mKNaqwitnHtH3 uEpUzR1oCe3C7R7gKG8eVHYUnyVVHC55bDmNWZL34eBTCSOVH1r0i6CS1CbGKk/5p6s3JvazlGYFu jayF6tPA==; Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:32c8:5054:ff:fe00:142]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r5R4T-00BSJv-2e; Tue, 21 Nov 2023 13:47:25 +0000 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=6zOoGrrmAHYsbAYjPwlImlFJnip+vYBWOCuz8Ez17B0=; b=oU7Nb4IXXCx1oE0KlmHdTcLpUu kg/KqIwuxpe4VR+Ms2sPwNfjqTsW28iX6HEpHO0QawAPus9kVilpyvN9KFs240JWrKUXUaIoY0TUL PryuKTIwrKdrPCTN9P+nOVElqmUyTUF5B1vkvUCZb56DexWEnOAHwBAerF/rq4VKcsmjsHh0wvUsm oeUjK0M1VhPsya3CJvb6qbHU0+JLoKJjoOdsK5Jz3Fx2F6Ms9NJd3+XlQJ6FhsWIOJXhKI/m2mgHh gp2IPAWUI+jyk4pKhYJ/1f/Uv+vvd3Q/Z/D9qyW2KqSj7IKYtPaFjvhfVR4zi9y657CGrZnVjXJN1 5beqDYGw==; Received: from e0022681537dd.dyn.armlinux.org.uk ([fd8f:7570:feb6:1:222:68ff:fe15:37dd]:40512 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 1r5R4J-0007Bz-32; Tue, 21 Nov 2023 13:45:35 +0000 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1r5R4L-00Ct0d-To; Tue, 21 Nov 2023 13:45:37 +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 , Paul Walmsley , Palmer Dabbelt , Albert Ou Subject: [PATCH 21/21] riscv: convert to use arch_cpu_is_hotpluggable() MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Tue, 21 Nov 2023 13:45:37 +0000 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231121_134546_415811_83E40786 X-CRM114-Status: UNSURE ( 8.54 ) X-CRM114-Notice: Please train this message. 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 Convert riscv to use the arch_cpu_is_hotpluggable() helper rather than arch_register_cpu(). Acked-by: Palmer Dabbelt Reviewed-by: Gavin Shan Signed-off-by: Russell King (Oracle) Reviewed-by: Samuel Holland Tested-by: Samuel Holland # On HiFive Unmatched Reviewed-by: Jonathan Cameron --- arch/riscv/kernel/setup.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index b3a0aa2b78d5..7493fafbe4cb 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -298,12 +298,9 @@ void __init setup_arch(char **cmdline_p) riscv_user_isa_enable(); } -int arch_register_cpu(int cpu) +bool arch_cpu_is_hotpluggable(int cpu) { - struct cpu *c = &per_cpu(cpu_devices, cpu); - - c->hotpluggable = cpu_has_hotplug(cpu); - return register_cpu(c, cpu); + return cpu_has_hotplug(cpu); } void free_initmem(void)