diff options
| -rw-r--r-- | arch/x86/kernel/acpi/boot.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 05878ac934db..b33ebf6ea4f1 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -265,6 +265,24 @@ acpi_parse_lapic(struct acpi_subtable_header * header, const unsigned long end) } static int __init +acpi_parse_sapic(struct acpi_subtable_header *header, const unsigned long end) +{ + struct acpi_madt_local_sapic *processor = NULL; + + processor = (struct acpi_madt_local_sapic *)header; + + if (BAD_MADT_ENTRY(processor, end)) + return -EINVAL; + + acpi_table_print_madt_entry(header); + + mp_register_lapic((processor->id << 8) | processor->eid,/* APIC ID */ + processor->lapic_flags & ACPI_MADT_ENABLED); /* Enabled? */ + + return 0; +} + +static int __init acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header, const unsigned long end) { @@ -757,8 +775,12 @@ static int __init acpi_parse_madt_lapic_entries(void) mp_register_lapic_address(acpi_lapic_addr); - count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, acpi_parse_lapic, - MAX_APICS); + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, + acpi_parse_sapic, MAX_APICS); + + if (!count) + count = acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC, + acpi_parse_lapic, MAX_APICS); if (!count) { printk(KERN_ERR PREFIX "No LAPIC entries present\n"); /* TBD: Cleanup to allow fallback to MPS */ |