From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="dxOmw9u5" Received: from mail-il1-x12b.google.com (mail-il1-x12b.google.com [IPv6:2607:f8b0:4864:20::12b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 953131B8 for ; Wed, 22 Nov 2023 12:05:48 -0800 (PST) Received: by mail-il1-x12b.google.com with SMTP id e9e14a558f8ab-359c22c44d6so557255ab.2 for ; Wed, 22 Nov 2023 12:05:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1700683548; x=1701288348; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=jrlbMrkwsXYB4FXj2gcBQ1hP13CJwFlH1qETDwr8Bbw=; b=dxOmw9u5WK8n4MdTYxiJCIz7ke3nBxIrUgzTIYKHqpM7tbFDeJjxJbYS7E3ZbIqnlk u6xKT+l8vP/GrdeEe6sVP+yqxHUy13gU8hcuqVdqaCwWpcSRjB7nNgVgfs8uTwZw0PK5 zRfNsrCJ/DxNO878+WeD2ZdOHHdgMTHEzArDDRnKY6T30Y3XMt/pVooGzYsFHARqgMcS WuhU5zEnxqi7JgGSpLW4aFg6pIAQgdV3IUUQzwM/agAtCz8TQDHZ4I+FS9jkgizif6bR 9ubutd1rt4fKTzjMavoYLL7G9yNcu9tJOLNBTmfxi6S784QoEE5kkn4Y5LZtEGqHEv7C hlGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1700683548; x=1701288348; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=jrlbMrkwsXYB4FXj2gcBQ1hP13CJwFlH1qETDwr8Bbw=; b=Ip9OWMaUrHCq5lR6XMX/I0QzkGfCWaK1LIDAeD+zhwg1qNd/ao5mHcLA7wlwI6x5NA cfjRWlgIGFNKP5UHVK0b2LVDCsswv1nZ0ym6Swf0Ic9q6F2XZLP3aQTdnFHP1PrdwQot b24VcyApstXcF978OqQXmHa2GbPqEHZL6iGZLEcN8CaV5Cy9b+RC8xCwv7vv2w7dWuz/ nuL6FcniZOJffQHpfq0HHo9ze2nCPxTSgQgnwopLQQq4svtLSHPtVj+MDNxLkdqUhffM O1HGGthKqOEViEiZe8ZiTbOzMlQgWt6nOOb0B1vI40I4Kdg+vwj2RnS6tupHMTWj1gxE 7ApQ== X-Gm-Message-State: AOJu0YxLe/AsDppABrBOqdooFzyjJyUdrH5X6aUEusV0rC0lX/MhF9JN 1YU076q0Ik6AnrFHMqxPqmFuXg== X-Google-Smtp-Source: AGHT+IHnt1n8lKdOoy/IQ7zxz3tfAa5Q5pJfyX8St73RZdlSFGXq1ufTDSL1DA4xJt2sjOxhqX4opA== X-Received: by 2002:a05:6e02:11a1:b0:35a:ff35:b471 with SMTP id 1-20020a056e0211a100b0035aff35b471mr2869112ilj.14.1700683547904; Wed, 22 Nov 2023 12:05:47 -0800 (PST) Received: from ?IPV6:2605:a601:adae:4500:3d43:c8e2:1496:e620? ([2605:a601:adae:4500:3d43:c8e2:1496:e620]) by smtp.gmail.com with ESMTPSA id f14-20020a02cace000000b004665ce094c4sm31227jap.161.2023.11.22.12.05.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 22 Nov 2023 12:05:47 -0800 (PST) Message-ID: Date: Wed, 22 Nov 2023 14:05:45 -0600 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 20/21] riscv: Switch over to GENERIC_CPU_DEVICES Content-Language: en-US To: "Russell King (Oracle)" Cc: Salil Mehta , Jean-Philippe Brucker , jianyong.wu@arm.com, justin.he@arm.com, James Morse , Paul Walmsley , Palmer Dabbelt , Albert Ou , 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 References: From: Samuel Holland In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 2023-11-21 7:45 AM, Russell King (Oracle) wrote: > From: James Morse > > Now that GENERIC_CPU_DEVICES calls arch_register_cpu(), which can be > overridden by the arch code, switch over to this to allow common code > to choose when the register_cpu() call is made. > > This allows topology_init() to be removed. > > This is an intermediate step to the logic being moved to drivers/acpi, > where GENERIC_CPU_DEVICES will do the work when booting with acpi=off. > > This patch also has the effect of moving the registration of CPUs from > subsys to driver core initialisation, prior to any initcalls running. > > Signed-off-by: James Morse > Reviewed-by: Jonathan Cameron > Acked-by: Palmer Dabbelt > Reviewed-by: Gavin Shan > Signed-off-by: Russell King (Oracle) > --- > Changes since RFC v2: > * Add note about initialisation order change. > --- > arch/riscv/Kconfig | 1 + > arch/riscv/kernel/setup.c | 19 ++++--------------- > 2 files changed, 5 insertions(+), 15 deletions(-) Reviewed-by: Samuel Holland Tested-by: Samuel Holland