Merge branch 'master' of /home/trondmy/kernel/linux-2.6/ into merge_linus

1 files changed, 13 insertions, 1 deletions

diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index f3fea2ad50fe..55428e656a3f 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -28,6 +28,7 @@
 #include <asm/pgalloc.h>
 #include <asm/tlbflush.h>
 #include <asm/arch_hooks.h>
+#include <asm/pda.h>
 
 /* TLB state -- visible externally, indexed physically */
 DEFINE_PER_CPU(struct tlb_state, cpu_tlbstate) ____cacheline_aligned = { &init_mm, 0 };
@@ -422,6 +423,7 @@ find_smp_config(void)
              VOYAGER_SUS_IN_CONTROL_PORT);
 
         current_thread_info()->cpu = boot_cpu_id;
+        write_pda(cpu_number, boot_cpu_id);
 }
 
 /*
@@ -458,7 +460,7 @@ start_secondary(void *unused)
         /* external functions not defined in the headers */
         extern void calibrate_delay(void);
 
-        cpu_init();
+        secondary_cpu_init();
 
         /* OK, we're in the routine */
         ack_CPI(VIC_CPU_BOOT_CPI);
@@ -578,6 +580,15 @@ do_boot_cpu(__u8 cpu)
         /* init_tasks (in sched.c) is indexed logically */
         stack_start.esp = (void *) idle->thread.esp;
 
+        /* Pre-allocate and initialize the CPU's GDT and PDA so it
+           doesn't have to do any memory allocation during the
+           delicate CPU-bringup phase. */
+        if (!init_gdt(cpu, idle)) {
+                printk(KERN_INFO "Couldn't allocate GDT/PDA for CPU %d\n", cpu);
+                cpucount--;
+                return;
+        }
+
         irq_ctx_init(cpu);
 
         /* Note: Don't modify initial ss override */
@@ -1963,4 +1974,5 @@ void __init
 smp_setup_processor_id(void)
 {
         current_thread_info()->cpu = hard_smp_processor_id();
+        write_pda(cpu_number, hard_smp_processor_id());
 }