--- zzzz-none-000/linux-3.10.107/arch/x86/kernel/cpu/hypervisor.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/x86/kernel/cpu/hypervisor.c 2021-02-04 17:41:59.000000000 +0000 @@ -25,15 +25,10 @@ #include #include -/* - * Hypervisor detect order. This is specified explicitly here because - * some hypervisors might implement compatibility modes for other - * hypervisors and therefore need to be detected in specific sequence. - */ static const __initconst struct hypervisor_x86 * const hypervisors[] = { -#ifdef CONFIG_XEN_PVHVM - &x86_hyper_xen_hvm, +#ifdef CONFIG_XEN + &x86_hyper_xen, #endif &x86_hyper_vmware, &x86_hyper_ms_hyperv, @@ -49,18 +44,22 @@ detect_hypervisor_vendor(void) { const struct hypervisor_x86 *h, * const *p; + uint32_t pri, max_pri = 0; for (p = hypervisors; p < hypervisors + ARRAY_SIZE(hypervisors); p++) { h = *p; - if (h->detect()) { + pri = h->detect(); + if (pri != 0 && pri > max_pri) { + max_pri = pri; x86_hyper = h; - printk(KERN_INFO "Hypervisor detected: %s\n", h->name); - break; } } + + if (max_pri) + printk(KERN_INFO "Hypervisor detected: %s\n", x86_hyper->name); } -void __cpuinit init_hypervisor(struct cpuinfo_x86 *c) +void init_hypervisor(struct cpuinfo_x86 *c) { if (x86_hyper && x86_hyper->set_cpu_features) x86_hyper->set_cpu_features(c);