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Diffstat (limited to 'arch/x86/xen/smp.c')
-rw-r--r--arch/x86/xen/smp.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 72c2eb9b64cd..035582ae815d 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -170,7 +170,7 @@ static void __init xen_smp_prepare_boot_cpu(void)
/* We've switched to the "real" per-cpu gdt, so make sure the
old memory can be recycled */
- make_lowmem_page_readwrite(&per_cpu_var(gdt_page));
+ make_lowmem_page_readwrite(xen_initial_gdt);
xen_setup_vcpu_info_placement();
}
@@ -235,6 +235,8 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
ctxt->user_regs.ss = __KERNEL_DS;
#ifdef CONFIG_X86_32
ctxt->user_regs.fs = __KERNEL_PERCPU;
+#else
+ ctxt->gs_base_kernel = per_cpu_offset(cpu);
#endif
ctxt->user_regs.eip = (unsigned long)cpu_bringup_and_idle;
ctxt->user_regs.eflags = 0x1000; /* IOPL_RING1 */
@@ -281,10 +283,12 @@ static int __cpuinit xen_cpu_up(unsigned int cpu)
per_cpu(current_task, cpu) = idle;
#ifdef CONFIG_X86_32
- init_gdt(cpu);
irq_ctx_init(cpu);
#else
clear_tsk_thread_flag(idle, TIF_FORK);
+ per_cpu(kernel_stack, cpu) =
+ (unsigned long)task_stack_page(idle) -
+ KERNEL_STACK_OFFSET + THREAD_SIZE;
#endif
xen_setup_timer(cpu);
xen_init_lock_cpu(cpu);