On Tue, Dec 05 2023 at 03:45, Kirill A. Shutemov wrote:
> ACPI MADT doesn't allow to offline CPU after it got woke up. It limits
to offline a CPU after it was onlined. This limits kexec: ...
> kexec: the second kernel won't be able to use more than one CPU.
... one CPU, which is enough to cover
ACPI MADT doesn't allow to offline CPU after it got woke up. It limits
kexec: the second kernel won't be able to use more than one CPU.
Now acpi_mp_wake_mailbox_paddr already has the mailbox address.
The acpi_wakeup_cpu() will use it to bring up secondary cpus.
Zero out mailbox address in the
