On 21.11.2022 11:21, Roger Pau Monne wrote: > @@ -47,6 +49,15 @@ static bool __init processor_physically_present(acpi_handle handle) > return false; > } > > + if (xen_initial_domain()) > + /* > + * When running as a Xen dom0 the number of processors Linux > + * sees can be different from the real number of processors on > + * the system, and we still need to execute _PDC for all of > + * them. > + */ > + return xen_processor_present(acpi_id); > + > type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0; > cpuid = acpi_get_cpuid(handle, type, acpi_id); We had to deal with this in our XenoLinux forward ports as well, but at the time it appeared upstream I decided to make use of acpi_get_apicid() (which meanwhile was renamed to acpi_get_phys_id()). Wouldn't than be an option, eliminating the need for a Xen-specific new function? Jan
