141 	union hv_x64_msr_hypercall_contents hypercall_msr;  in hv_init()  local
165 	rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);  in hv_init()
172 	hypercall_msr.enable = 1;  in hv_init()
174 	hypercall_msr.guest_physical_address = vmalloc_to_pfn(virtaddr);  in hv_init()
175 	wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);  in hv_init()
178 	hypercall_msr.as_uint64 = 0;  in hv_init()
179 	rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);  in hv_init()
181 	if (!hypercall_msr.enable)  in hv_init()
190 		if (hypercall_msr.enable) {  in hv_init()
191 			hypercall_msr.as_uint64 = 0;  in hv_init()
192 			wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);  in hv_init()
208 	union hv_x64_msr_hypercall_contents hypercall_msr;  in hv_cleanup()  local
214 		hypercall_msr.as_uint64 = 0;  in hv_cleanup()
215 		wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64);  in hv_cleanup()