> > > @@ -835,6 +835,13 @@ void __noreturn stop_this_cpu(void *dummy)
> > >*/
> > > cpumask_clear_cpu(cpu, _stop_mask);
> > >
> > > +#ifdef CONFIG_SMP
> > > + if (smp_ops.stop_this_cpu) {
> > > + smp_ops.stop_this_cpu();
> > > + unreachable();
> > > + }
> > > +#endif
> >
On Mon, Jan 08, 2024 at 03:04:31AM +, Huang, Kai wrote:
> On Mon, 2023-12-25 at 11:05 +0300, 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
On Mon, 2023-12-25 at 11:05 +0300, 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
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
---
v5.1:
- Fix build
