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([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 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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