[PATCH RFC 08/22] drivers: base: Implement weak arch_unregister_cpu()

Gavin Shan gshan at redhat.com
Sun Nov 12 16:45:05 PST 2023


On 11/7/23 20:29, Russell King (Oracle) wrote:
> From: James Morse <james.morse at arm.com>
> 
> Add arch_unregister_cpu() to allow the ACPI machinery to call
> unregister_cpu(). This is enough for arm64, riscv and loongarch, but
> needs to be overridden by x86 and ia64 who need to do more work.
> 
> CC: Jean-Philippe Brucker <jean-philippe at linaro.org>
> Signed-off-by: James Morse <james.morse at arm.com>
> ---
> Changes since v1:
>   * Added CONFIG_HOTPLUG_CPU ifdeffery around unregister_cpu
> Changes since RFC v2:
>   * Move earlier in the series
> ---
>   drivers/base/cpu.c | 9 ++++++++-
>   1 file changed, 8 insertions(+), 1 deletion(-)
> 

Reviewed-by: Gavin Shan <gshan at redhat.com>




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