263 	struct vcpu_guest_context *ctxt;  in cpu_initialize_context()  local
272 	ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);  in cpu_initialize_context()
273 	if (ctxt == NULL)  in cpu_initialize_context()
283 	ctxt->user_regs.eip = (unsigned long)asm_cpu_bringup_and_idle;  in cpu_initialize_context()
284 	ctxt->flags = VGCF_IN_KERNEL;  in cpu_initialize_context()
285 	ctxt->user_regs.eflags = 0x1000; /* IOPL_RING1 */  in cpu_initialize_context()
286 	ctxt->user_regs.ds = __USER_DS;  in cpu_initialize_context()
287 	ctxt->user_regs.es = __USER_DS;  in cpu_initialize_context()
288 	ctxt->user_regs.ss = __KERNEL_DS;  in cpu_initialize_context()
289 	ctxt->user_regs.cs = __KERNEL_CS;  in cpu_initialize_context()
290 	ctxt->user_regs.esp = (unsigned long)task_pt_regs(idle);  in cpu_initialize_context()
292 	xen_copy_trap_info(ctxt->trap_ctxt);  in cpu_initialize_context()
300 	ctxt->gdt_frames[0] = gdt_mfn;  in cpu_initialize_context()
301 	ctxt->gdt_ents      = GDT_ENTRIES;  in cpu_initialize_context()
308 	ctxt->kernel_ss = __KERNEL_DS;  in cpu_initialize_context()
309 	ctxt->kernel_sp = task_top_of_stack(idle);  in cpu_initialize_context()
311 	ctxt->gs_base_kernel = per_cpu_offset(cpu);  in cpu_initialize_context()
312 	ctxt->event_callback_eip    =  in cpu_initialize_context()
314 	ctxt->failsafe_callback_eip =  in cpu_initialize_context()
318 	ctxt->ctrlreg[3] = xen_pfn_to_cr3(virt_to_gfn(swapper_pg_dir));  in cpu_initialize_context()
319 	if (HYPERVISOR_vcpu_op(VCPUOP_initialise, xen_vcpu_nr(cpu), ctxt))  in cpu_initialize_context()
322 	kfree(ctxt);  in cpu_initialize_context()