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Insta-MFi386: ignore disabled cpu apic id's entirely

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This commit is contained in:
Peter Wemm 2004-06-10 21:30:08 +00:00
parent cad27670ff
commit 11b000253e
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=130315
1 changed files with 8 additions and 13 deletions
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21
sys/amd64/acpica/madt.c
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@ -65,7 +65,6 @@ struct ioapic_info {
} ioapics[NIOAPICS];
struct lapic_info {
u_int la_present:1;
u_int la_enabled:1;
u_int la_acpi_id:8;
} lapics[NLAPICS];
@ -447,18 +446,17 @@ madt_probe_cpus_handler(APIC_HEADER *entry, void *arg)
printf("MADT: Found CPU APIC ID %d ACPI ID %d: %s\n",
proc->LocalApicId, proc->ProcessorId,
proc->ProcessorEnabled ? "enabled" : "disabled");
if (!proc->ProcessorEnabled)
break;
if (proc->LocalApicId >= NLAPICS)
panic("%s: CPU ID %d too high", __func__,
proc->LocalApicId);
la = &lapics[proc->LocalApicId];
KASSERT(la->la_present == 0,
KASSERT(la->la_enabled == 0,
("Duplicate local APIC ID %d", proc->LocalApicId));
la->la_present = 1;
la->la_enabled = 1;
la->la_acpi_id = proc->ProcessorId;
if (proc->ProcessorEnabled) {
la->la_enabled = 1;
lapic_create(proc->LocalApicId, 0);
}
lapic_create(proc->LocalApicId, 0);
break;
}
}
@ -548,15 +546,12 @@ madt_find_cpu(u_int acpi_id, u_int *apic_id)
int i;
for (i = 0; i < NLAPICS; i++) {
if (!lapics[i].la_present)
if (!lapics[i].la_enabled)
continue;
if (lapics[i].la_acpi_id != acpi_id)
continue;
*apic_id = i;
if (lapics[i].la_enabled)
return (0);
else
return (ENXIO);
return (0);
}
return (ENOENT);
}
@ -770,7 +765,7 @@ madt_set_ids(void *dummy)
pc = pcpu_find(i);
KASSERT(pc != NULL, ("no pcpu data for CPU %d", i));
la = &lapics[pc->pc_apic_id];
if (!la->la_present || !la->la_enabled)
if (!la->la_enabled)
panic("APIC: CPU with APIC ID %u is not enabled",
pc->pc_apic_id);
pc->pc_acpi_id = la->la_acpi_id;