Re: [PATCH RFC 21/22] riscv: Switch over to GENERIC_CPU_DEVICES

Gavin Shan <[email protected]> Mon, 13 Nov 2023 14:23:41 +1000

Newsgroups	gmane.linux.acpi.devel,gmane.linux.power-management.general,gmane.linux.kernel.cross-arch,gmane.linux.kernel,gmane.linux.ports.arm.kernel,gmane.linux.ports.riscv,gmane.linux.documentation,gmane.linux.ports.ia64,gmane.linux.ports.parisc
Message-ID	<[email protected]>

On 11/7/23 20:31, Russell King (Oracle) wrote:
> From: James Morse <[email protected]>
> 
> 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 <[email protected]>
> Reviewed-by: Jonathan Cameron <[email protected]>
> Signed-off-by: Russell King (Oracle) <[email protected]>
> ---
> 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: Gavin Shan <[email protected]>