if (!phys_addr || !size)
return NULL;
- if (phys_addr < (end_pfn_map << PAGE_SHIFT))
+ if (phys_addr+size <= (end_pfn_map << PAGE_SHIFT) + PAGE_SIZE)
return __va(phys_addr);
return NULL;
acpi_table_print_madt_entry(header);
- /* no utility in registering a disabled processor */
- if (processor->flags.enabled == 0)
- return 0;
+ /* Register even disabled CPUs for cpu hotplug */
x86_acpiid_to_apicid[processor->acpi_id] = processor->id;
return 0;
pmtmr_ioport = fadt->xpm_tmr_blk.address;
+ /*
+ * "X" fields are optional extensions to the original V1.0
+ * fields, so we must selectively expand V1.0 fields if the
+ * corresponding X field is zero.
+ */
+ if (!pmtmr_ioport)
+ pmtmr_ioport = fadt->V1_pm_tmr_blk;
} else {
/* FADT rev. 1 */
pmtmr_ioport = fadt->V1_pm_tmr_blk;