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Diffstat (limited to 'arch/x86/kernel/smpboot.c')
-rw-r--r--arch/x86/kernel/smpboot.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index dfb5089..6af1185 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -299,22 +299,16 @@ notrace static void __cpuinit start_secondary(void *unused)
* fragile that we want to limit the things done here to the
* most necessary things.
*/
+ cpu_init();
+ preempt_disable();
+ smp_callin();
#ifdef CONFIG_X86_32
- /*
- * Switch away from the trampoline page-table
- *
- * Do this before cpu_init() because it needs to access per-cpu
- * data which may not be mapped in the trampoline page-table.
- */
+ /* switch away from the initial page table */
load_cr3(swapper_pg_dir);
__flush_tlb_all();
#endif
- cpu_init();
- preempt_disable();
- smp_callin();
-
/* otherwise gcc will move up smp_processor_id before the cpu_init */
barrier();
/*
@@ -785,7 +779,6 @@ do_rest:
#ifdef CONFIG_X86_32
/* Stack for startup_32 can be just as for start_secondary onwards */
irq_ctx_init(cpu);
- initial_page_table = __pa(&trampoline_pg_dir);
#else
clear_tsk_thread_flag(c_idle.idle, TIF_FORK);
initial_gs = per_cpu_offset(cpu);
@@ -934,7 +927,6 @@ int __cpuinit native_cpu_up(unsigned int cpu)
per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
err = do_boot_cpu(apicid, cpu);
-
if (err) {
pr_debug("do_boot_cpu failed %d\n", err);
return -EIO;

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