There is really no point to have a callback which compares numbers.
Add a field which allows each APIC to store the maximum APIC ID supported
and fill it in for all APIC incarnations.
The next step will remove the callback.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Michael Kelley <mikelley@microsoft.com>
Tested-by: Sohil Mehta <sohil.mehta@intel.com>
Tested-by: Juergen Gross <jgross@suse.com> # Xen PV (dom0 and unpriv. guest)
u64 (*icr_read)(void);
void (*icr_write)(u32 low, u32 high);
+ /* The limit of the APIC ID space. */
+ u32 max_apic_id;
+
/* Probe, setup and smpboot functions */
int (*probe)(void);
int (*acpi_madt_oem_check)(char *oem_id, char *oem_table_id);
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = flat_phys_pkg_id,
+ .max_apic_id = 0xFE,
.get_apic_id = flat_get_apic_id,
.set_apic_id = set_apic_id,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = flat_phys_pkg_id,
+ .max_apic_id = 0xFE,
.get_apic_id = flat_get_apic_id,
.set_apic_id = set_apic_id,
.phys_pkg_id = noop_phys_pkg_id,
+ .max_apic_id = 0xFE,
.get_apic_id = noop_get_apic_id,
.set_apic_id = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = numachip_phys_pkg_id,
+ .max_apic_id = UINT_MAX,
.get_apic_id = numachip1_get_apic_id,
.set_apic_id = numachip1_set_apic_id,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = numachip_phys_pkg_id,
+ .max_apic_id = UINT_MAX,
.get_apic_id = numachip2_get_apic_id,
.set_apic_id = numachip2_set_apic_id,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = bigsmp_phys_pkg_id,
+ .max_apic_id = 0xFE,
.get_apic_id = bigsmp_get_apic_id,
.set_apic_id = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = default_phys_pkg_id,
+ .max_apic_id = 0xFE,
.get_apic_id = default_get_apic_id,
.set_apic_id = NULL,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = x2apic_phys_pkg_id,
+ .max_apic_id = UINT_MAX,
.get_apic_id = x2apic_get_apic_id,
.set_apic_id = x2apic_set_apic_id,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = x2apic_phys_pkg_id,
+ .max_apic_id = UINT_MAX,
.get_apic_id = x2apic_get_apic_id,
.set_apic_id = x2apic_set_apic_id,
.cpu_present_to_apicid = default_cpu_present_to_apicid,
.phys_pkg_id = uv_phys_pkg_id,
+ .max_apic_id = UINT_MAX,
.get_apic_id = x2apic_get_apic_id,
.set_apic_id = set_apic_id,
.cpu_present_to_apicid = xen_cpu_present_to_apicid,
.phys_pkg_id = xen_phys_pkg_id, /* detect_ht */
+ .max_apic_id = UINT_MAX,
.get_apic_id = xen_get_apic_id,
.set_apic_id = xen_set_apic_id, /* Can be NULL on 32-bit. */