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Diffstat (limited to 'arch/x86_64/kernel/mpparse.c')
-rw-r--r--arch/x86_64/kernel/mpparse.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index 7ec031c6ca1..61a63be6b29 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -30,6 +30,7 @@
#include <asm/pgalloc.h>
#include <asm/io_apic.h>
#include <asm/proto.h>
+#include <asm/acpi.h>
/* Have we found an MP table */
int smp_found_config;
@@ -107,6 +108,7 @@ static int __init mpf_checksum(unsigned char *mp, int len)
static void __init MP_processor_info (struct mpc_config_processor *m)
{
int ver;
+ static int found_bsp=0;
if (!(m->mpc_cpuflag & CPU_ENABLED))
return;
@@ -126,11 +128,6 @@ static void __init MP_processor_info (struct mpc_config_processor *m)
" Processor ignored.\n", NR_CPUS);
return;
}
- if (num_processors >= maxcpus) {
- printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
- " Processor ignored.\n", maxcpus);
- return;
- }
num_processors++;
@@ -150,7 +147,19 @@ static void __init MP_processor_info (struct mpc_config_processor *m)
ver = 0x10;
}
apic_version[m->mpc_apicid] = ver;
- bios_cpu_apicid[num_processors - 1] = m->mpc_apicid;
+ if (m->mpc_cpuflag & CPU_BOOTPROCESSOR) {
+ /*
+ * bios_cpu_apicid is required to have processors listed
+ * in same order as logical cpu numbers. Hence the first
+ * entry is BSP, and so on.
+ */
+ bios_cpu_apicid[0] = m->mpc_apicid;
+ x86_cpu_to_apicid[0] = m->mpc_apicid;
+ found_bsp = 1;
+ } else {
+ bios_cpu_apicid[num_processors - found_bsp] = m->mpc_apicid;
+ x86_cpu_to_apicid[num_processors - found_bsp] = m->mpc_apicid;
+ }
}
static void __init MP_bus_info (struct mpc_config_bus *m)
@@ -759,7 +768,7 @@ void __init mp_register_ioapic (
mp_ioapics[idx].mpc_apicaddr = address;
set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
- mp_ioapics[idx].mpc_apicid = io_apic_get_unique_id(idx, id);
+ mp_ioapics[idx].mpc_apicid = id;
mp_ioapics[idx].mpc_apicver = io_apic_get_version(idx);
/*