forked from luck/tmp_suning_uos_patched
KVM: Call common update function when ioapic entry changed.
Both TMR and EOI exit bitmap need to be updated when ioapic changed or vcpu's id/ldr/dfr changed. So use common function instead eoi exit bitmap specific function. Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com> Reviewed-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
parent
01e439be77
commit
3d81bc7e96
|
@ -27,10 +27,4 @@ int kvm_apic_set_irq(struct kvm_vcpu *vcpu, struct kvm_lapic_irq *irq);
|
|||
#define kvm_apic_present(x) (true)
|
||||
#define kvm_lapic_enabled(x) (true)
|
||||
|
||||
static inline bool kvm_apic_vid_enabled(void)
|
||||
{
|
||||
/* IA64 has no apicv supporting, do nothing here */
|
||||
return false;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
|
@ -217,7 +217,7 @@ static void recalculate_apic_map(struct kvm *kvm)
|
|||
if (old)
|
||||
kfree_rcu(old, rcu);
|
||||
|
||||
kvm_ioapic_make_eoibitmap_request(kvm);
|
||||
kvm_vcpu_request_scan_ioapic(kvm);
|
||||
}
|
||||
|
||||
static inline void kvm_apic_set_id(struct kvm_lapic *apic, u8 id)
|
||||
|
|
|
@ -6414,6 +6414,9 @@ static void vmx_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr)
|
|||
|
||||
static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
|
||||
{
|
||||
if (!vmx_vm_has_apicv(vcpu->kvm))
|
||||
return;
|
||||
|
||||
vmcs_write64(EOI_EXIT_BITMAP0, eoi_exit_bitmap[0]);
|
||||
vmcs_write64(EOI_EXIT_BITMAP1, eoi_exit_bitmap[1]);
|
||||
vmcs_write64(EOI_EXIT_BITMAP2, eoi_exit_bitmap[2]);
|
||||
|
|
|
@ -5661,13 +5661,16 @@ static void kvm_gen_update_masterclock(struct kvm *kvm)
|
|||
#endif
|
||||
}
|
||||
|
||||
static void update_eoi_exitmap(struct kvm_vcpu *vcpu)
|
||||
static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
u64 eoi_exit_bitmap[4];
|
||||
|
||||
if (!kvm_apic_hw_enabled(vcpu->arch.apic))
|
||||
return;
|
||||
|
||||
memset(eoi_exit_bitmap, 0, 32);
|
||||
|
||||
kvm_ioapic_calculate_eoi_exitmap(vcpu, eoi_exit_bitmap);
|
||||
kvm_ioapic_scan_entry(vcpu, eoi_exit_bitmap);
|
||||
kvm_x86_ops->load_eoi_exitmap(vcpu, eoi_exit_bitmap);
|
||||
}
|
||||
|
||||
|
@ -5724,8 +5727,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
|
|||
kvm_handle_pmu_event(vcpu);
|
||||
if (kvm_check_request(KVM_REQ_PMI, vcpu))
|
||||
kvm_deliver_pmi(vcpu);
|
||||
if (kvm_check_request(KVM_REQ_EOIBITMAP, vcpu))
|
||||
update_eoi_exitmap(vcpu);
|
||||
if (kvm_check_request(KVM_REQ_SCAN_IOAPIC, vcpu))
|
||||
vcpu_scan_ioapic(vcpu);
|
||||
}
|
||||
|
||||
if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) {
|
||||
|
|
|
@ -126,7 +126,7 @@ static inline bool is_error_page(struct page *page)
|
|||
#define KVM_REQ_MASTERCLOCK_UPDATE 19
|
||||
#define KVM_REQ_MCLOCK_INPROGRESS 20
|
||||
#define KVM_REQ_EPR_EXIT 21
|
||||
#define KVM_REQ_EOIBITMAP 22
|
||||
#define KVM_REQ_SCAN_IOAPIC 22
|
||||
|
||||
#define KVM_USERSPACE_IRQ_SOURCE_ID 0
|
||||
#define KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID 1
|
||||
|
@ -575,7 +575,7 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu);
|
|||
void kvm_flush_remote_tlbs(struct kvm *kvm);
|
||||
void kvm_reload_remote_mmus(struct kvm *kvm);
|
||||
void kvm_make_mclock_inprogress_request(struct kvm *kvm);
|
||||
void kvm_make_update_eoibitmap_request(struct kvm *kvm);
|
||||
void kvm_make_scan_ioapic_request(struct kvm *kvm);
|
||||
|
||||
long kvm_arch_dev_ioctl(struct file *filp,
|
||||
unsigned int ioctl, unsigned long arg);
|
||||
|
|
|
@ -193,15 +193,13 @@ static void update_handled_vectors(struct kvm_ioapic *ioapic)
|
|||
smp_wmb();
|
||||
}
|
||||
|
||||
void kvm_ioapic_calculate_eoi_exitmap(struct kvm_vcpu *vcpu,
|
||||
u64 *eoi_exit_bitmap)
|
||||
void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
|
||||
{
|
||||
struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic;
|
||||
union kvm_ioapic_redirect_entry *e;
|
||||
int index;
|
||||
|
||||
spin_lock(&ioapic->lock);
|
||||
/* traverse ioapic entry to set eoi exit bitmap*/
|
||||
for (index = 0; index < IOAPIC_NUM_PINS; index++) {
|
||||
e = &ioapic->redirtbl[index];
|
||||
if (!e->fields.mask &&
|
||||
|
@ -215,16 +213,22 @@ void kvm_ioapic_calculate_eoi_exitmap(struct kvm_vcpu *vcpu,
|
|||
}
|
||||
spin_unlock(&ioapic->lock);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(kvm_ioapic_calculate_eoi_exitmap);
|
||||
|
||||
void kvm_ioapic_make_eoibitmap_request(struct kvm *kvm)
|
||||
#ifdef CONFIG_X86
|
||||
void kvm_vcpu_request_scan_ioapic(struct kvm *kvm)
|
||||
{
|
||||
struct kvm_ioapic *ioapic = kvm->arch.vioapic;
|
||||
|
||||
if (!kvm_apic_vid_enabled(kvm) || !ioapic)
|
||||
if (!ioapic)
|
||||
return;
|
||||
kvm_make_update_eoibitmap_request(kvm);
|
||||
kvm_make_scan_ioapic_request(kvm);
|
||||
}
|
||||
#else
|
||||
void kvm_vcpu_request_scan_ioapic(struct kvm *kvm)
|
||||
{
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
|
||||
static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
|
||||
{
|
||||
|
@ -267,7 +271,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
|
|||
if (e->fields.trig_mode == IOAPIC_LEVEL_TRIG
|
||||
&& ioapic->irr & (1 << index))
|
||||
ioapic_service(ioapic, index, false);
|
||||
kvm_ioapic_make_eoibitmap_request(ioapic->kvm);
|
||||
kvm_vcpu_request_scan_ioapic(ioapic->kvm);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
@ -586,7 +590,7 @@ int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
|
|||
spin_lock(&ioapic->lock);
|
||||
memcpy(ioapic, state, sizeof(struct kvm_ioapic_state));
|
||||
update_handled_vectors(ioapic);
|
||||
kvm_ioapic_make_eoibitmap_request(kvm);
|
||||
kvm_vcpu_request_scan_ioapic(kvm);
|
||||
kvm_rtc_eoi_tracking_restore_all(ioapic);
|
||||
spin_unlock(&ioapic->lock);
|
||||
return 0;
|
||||
|
|
|
@ -96,9 +96,7 @@ int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
|
|||
struct kvm_lapic_irq *irq, unsigned long *dest_map);
|
||||
int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state);
|
||||
int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state);
|
||||
void kvm_ioapic_make_eoibitmap_request(struct kvm *kvm);
|
||||
void kvm_ioapic_calculate_eoi_exitmap(struct kvm_vcpu *vcpu,
|
||||
u64 *eoi_exit_bitmap);
|
||||
|
||||
void kvm_vcpu_request_scan_ioapic(struct kvm *kvm);
|
||||
void kvm_ioapic_scan_entry(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap);
|
||||
|
||||
#endif
|
||||
|
|
|
@ -285,7 +285,7 @@ void kvm_register_irq_ack_notifier(struct kvm *kvm,
|
|||
mutex_lock(&kvm->irq_lock);
|
||||
hlist_add_head_rcu(&kian->link, &kvm->irq_ack_notifier_list);
|
||||
mutex_unlock(&kvm->irq_lock);
|
||||
kvm_ioapic_make_eoibitmap_request(kvm);
|
||||
kvm_vcpu_request_scan_ioapic(kvm);
|
||||
}
|
||||
|
||||
void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
|
||||
|
@ -295,7 +295,7 @@ void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
|
|||
hlist_del_init_rcu(&kian->link);
|
||||
mutex_unlock(&kvm->irq_lock);
|
||||
synchronize_rcu();
|
||||
kvm_ioapic_make_eoibitmap_request(kvm);
|
||||
kvm_vcpu_request_scan_ioapic(kvm);
|
||||
}
|
||||
|
||||
int kvm_request_irq_source_id(struct kvm *kvm)
|
||||
|
|
|
@ -217,9 +217,9 @@ void kvm_make_mclock_inprogress_request(struct kvm *kvm)
|
|||
make_all_cpus_request(kvm, KVM_REQ_MCLOCK_INPROGRESS);
|
||||
}
|
||||
|
||||
void kvm_make_update_eoibitmap_request(struct kvm *kvm)
|
||||
void kvm_make_scan_ioapic_request(struct kvm *kvm)
|
||||
{
|
||||
make_all_cpus_request(kvm, KVM_REQ_EOIBITMAP);
|
||||
make_all_cpus_request(kvm, KVM_REQ_SCAN_IOAPIC);
|
||||
}
|
||||
|
||||
int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id)
|
||||
|
|
Loading…
Reference in New Issue
Block a user