Re: [PATCH v3 0/2] tools/hvmloader: Decouple APIC IDs from vCPU IDs

["Alejandro Vallejo" <alejandro.vallejo@xxxxxxxxx>]

On Mon Mar 10, 2025 at 8:33 AM GMT, Jan Beulich wrote:
> On 04.02.2025 18:31, Alejandro Vallejo wrote:
> > v2->v3:
> >   * Moved "extern uint32_t *cpu_to_apicid;" to patch1
> > 
> > v2: 
> > https://lore.kernel.org/xen-devel/20250204144542.7399-1-alejandro.vallejo@xxxxxxxxx/T/#t
> > v1->v2:
> >   * Dropped patch to skip writing the MP Tables if apicid >= 255
> > 
> > v1: 
> > https://lore.kernel.org/xen-devel/20250128163342.1491-1-alejandro.vallejo@xxxxxxxxx/
> > source series: 
> > https://lore.kernel.org/xen-devel/20241021154600.11745-5-alejandro.vallejo@xxxxxxxxx/
> > 
> > The hypervisor, hvmloader and the toolstack currently engage in a shared
> > assumption that for every vCPU apicid == 2 * vcpuid. This series removes 
> > such
> > assumption from hvmloader, by making it read the APIC ID of each vCPU and
> > storing it for later use.
> > 
> > Alejandro Vallejo (2):
> >   tools/hvmloader: Retrieve APIC IDs from the APs themselves
> >   tools/hvmloader: Replace LAPIC_ID() with cpu_to_apicid[]
>
> Acked-by: Jan Beulich <jbeulich@xxxxxxxx>

Cheers!

Alejandro