267 	union hv_synic_simp simp;  in hv_synic_enable_regs()  local
273 	simp.as_uint64 = hv_get_register(HV_REGISTER_SIMP);  in hv_synic_enable_regs()
274 	simp.simp_enabled = 1;  in hv_synic_enable_regs()
278 		u64 base = (simp.base_simp_gpa << HV_HYP_PAGE_SHIFT) &  in hv_synic_enable_regs()
285 		simp.base_simp_gpa = virt_to_phys(hv_cpu->synic_message_page)  in hv_synic_enable_regs()
289 	hv_set_register(HV_REGISTER_SIMP, simp.as_uint64);  in hv_synic_enable_regs()
356 	union hv_synic_simp simp;  in hv_synic_disable_regs()  local
370 	simp.as_uint64 = hv_get_register(HV_REGISTER_SIMP);  in hv_synic_disable_regs()
377 	simp.simp_enabled = 0;  in hv_synic_disable_regs()
382 		simp.base_simp_gpa = 0;  in hv_synic_disable_regs()
385 	hv_set_register(HV_REGISTER_SIMP, simp.as_uint64);  in hv_synic_disable_regs()