Re: [PATCHv3 03/14] cpu/hotplug: Add support for declaring CPU offlining not supported

2023-11-21 Thread kirill.shute...@linux.intel.com
On Tue, Nov 21, 2023 at 02:15:59AM +, Huang, Kai wrote: > On Wed, 2023-11-15 at 15:00 +0300, Kirill A. Shutemov wrote: > > The ACPI MADT mailbox wakeup method doesn't allow to offline CPU after > > it got woke up. > > > > Currently offlining hotplug is prevented based on the confidential > >

Re: [PATCHv3 03/14] cpu/hotplug: Add support for declaring CPU offlining not supported

2023-11-20 Thread Huang, Kai
On Wed, 2023-11-15 at 15:00 +0300, Kirill A. Shutemov wrote: > The ACPI MADT mailbox wakeup method doesn't allow to offline CPU after > it got woke up. > > Currently offlining hotplug is prevented based on the confidential > computing attribute which is set for Intel TDX. But TDX is not > the

[PATCHv3 03/14] cpu/hotplug: Add support for declaring CPU offlining not supported

2023-11-15 Thread Kirill A. Shutemov
The ACPI MADT mailbox wakeup method doesn't allow to offline CPU after it got woke up. Currently offlining hotplug is prevented based on the confidential computing attribute which is set for Intel TDX. But TDX is not the only possible user of the wake up method. The MADT wakeup can be implemented