Re: [PATCHv7 14/16] x86/smp: Add smp_ops.stop_this_cpu() callback

[Thomas Gleixner]

On Mon, Feb 12 2024 at 12:44, Kirill A. Shutemov wrote:

> If the helper is defined, it is called instead of halt() to stop the CPU
> at the end of stop_this_cpu() and on crash CPU shutdown.
>
> ACPI MADT will use it to hand over the CPU to BIOS in order to be able
> to wake it up again after kexec.
>
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Acked-by: Kai Huang <kai.huang@xxxxxxxxx>

Reviewed-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>