1 files changed, 16 insertions, 7 deletions

diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index 7ec031c6ca10..61a63be6b294 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);
         
         /*