diff --git a/arch/x86/include/asm/hypervisor.h b/arch/x86/include/asm/hypervisor.h index ff2546ce7178e83e105ca9eadc9ddfcc71b636cf..0c6f7af7fda8e5f8eb169c529dc92a7cfa973725 100644 --- a/arch/x86/include/asm/hypervisor.h +++ b/arch/x86/include/asm/hypervisor.h @@ -20,6 +20,8 @@ #ifndef _ASM_X86_HYPERVISOR_H #define _ASM_X86_HYPERVISOR_H +#include + extern void init_hypervisor(struct cpuinfo_x86 *c); extern void init_hypervisor_platform(void); @@ -47,4 +49,11 @@ extern const struct hypervisor_x86 x86_hyper_vmware; extern const struct hypervisor_x86 x86_hyper_ms_hyperv; extern const struct hypervisor_x86 x86_hyper_xen_hvm; +static inline bool hypervisor_x2apic_available(void) +{ + if (kvm_para_available()) + return true; + return false; +} + #endif diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 3f838d537392b4ddb6d061e82bbf1ce8a2a3b9d2..8408f2d19819a2c1635f54e022c429c7decde1b3 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -50,8 +50,8 @@ #include #include #include -#include #include +#include unsigned int num_processors; @@ -1476,7 +1476,8 @@ void __init enable_IR_x2apic(void) /* IR is required if there is APIC ID > 255 even when running * under KVM */ - if (max_physical_apicid > 255 || !kvm_para_available()) + if (max_physical_apicid > 255 || + !hypervisor_x2apic_available()) goto nox2apic; /* * without IR all CPUs can be addressed by IOAPIC/MSI