diff options
Diffstat (limited to 'target-i386')
| -rw-r--r-- | target-i386/kvm.c | 13 | ||||
| -rw-r--r-- | target-i386/kvm_i386.h | 1 |
2 files changed, 11 insertions, 3 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 0472f45fd0..86b41a9c21 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -129,9 +129,8 @@ static bool kvm_x2apic_api_set_flags(uint64_t flags) return !kvm_vm_enable_cap(s, KVM_CAP_X2APIC_API, 0, flags); } -#define MEMORIZE(fn) \ +#define MEMORIZE(fn, _result) \ ({ \ - static typeof(fn) _result; \ static bool _memorized; \ \ if (_memorized) { \ @@ -141,11 +140,19 @@ static bool kvm_x2apic_api_set_flags(uint64_t flags) _result = fn; \ }) +static bool has_x2apic_api; + +bool kvm_has_x2apic_api(void) +{ + return has_x2apic_api; +} + bool kvm_enable_x2apic(void) { return MEMORIZE( kvm_x2apic_api_set_flags(KVM_X2APIC_API_USE_32BIT_IDS | - KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK)); + KVM_X2APIC_API_DISABLE_BROADCAST_QUIRK), + has_x2apic_api); } static int kvm_get_tsc(CPUState *cs) diff --git a/target-i386/kvm_i386.h b/target-i386/kvm_i386.h index 5c369b1c5b..76079295b2 100644 --- a/target-i386/kvm_i386.h +++ b/target-i386/kvm_i386.h @@ -44,4 +44,5 @@ int kvm_device_msix_deassign(KVMState *s, uint32_t dev_id); void kvm_put_apicbase(X86CPU *cpu, uint64_t value); bool kvm_enable_x2apic(void); +bool kvm_has_x2apic_api(void); #endif |