266 	union hv_synic_simp simp;  in hv_synic_enable_regs()  local
272 	simp.as_uint64 = hv_get_msr(HV_MSR_SIMP);  in hv_synic_enable_regs()
273 	simp.simp_enabled = 1;  in hv_synic_enable_regs()
277 		u64 base = (simp.base_simp_gpa << HV_HYP_PAGE_SHIFT) &  in hv_synic_enable_regs()
284 		simp.base_simp_gpa = virt_to_phys(hv_cpu->synic_message_page)  in hv_synic_enable_regs()
288 	hv_set_msr(HV_MSR_SIMP, simp.as_uint64);  in hv_synic_enable_regs()
350 	union hv_synic_simp simp;  in hv_synic_disable_regs()  local
362 	simp.as_uint64 = hv_get_msr(HV_MSR_SIMP);  in hv_synic_disable_regs()
369 	simp.simp_enabled = 0;  in hv_synic_disable_regs()
374 		simp.base_simp_gpa = 0;  in hv_synic_disable_regs()
377 	hv_set_msr(HV_MSR_SIMP, simp.as_uint64);  in hv_synic_disable_regs()