diff options
| -rw-r--r-- | arch/x86/kvm/i8259.c | 25 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 4 |
2 files changed, 2 insertions, 27 deletions
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 3cece05..19fe855 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -62,9 +62,6 @@ static void pic_unlock(struct kvm_pic *s) } if (!found) - found = s->kvm->bsp_vcpu; - - if (!found) return; kvm_make_request(KVM_REQ_EVENT, found); @@ -75,7 +72,6 @@ static void pic_unlock(struct kvm_pic *s) static void pic_clear_isr(struct kvm_kpic_state *s, int irq) { s->isr &= ~(1 << irq); - s->isr_ack |= (1 << irq); if (s != &s->pics_state->pics[0]) irq += 8; /* @@ -89,16 +85,6 @@ static void pic_clear_isr(struct kvm_kpic_state *s, int irq) pic_lock(s->pics_state); } -void kvm_pic_clear_isr_ack(struct kvm *kvm) -{ - struct kvm_pic *s = pic_irqchip(kvm); - - pic_lock(s); - s->pics[0].isr_ack = 0xff; - s->pics[1].isr_ack = 0xff; - pic_unlock(s); -} - /* * set irq level. If an edge is detected, then the IRR is set to 1 */ @@ -281,7 +267,6 @@ void kvm_pic_reset(struct kvm_kpic_state *s) s->irr = 0; s->imr = 0; s->isr = 0; - s->isr_ack = 0xff; s->priority_add = 0; s->irq_base = 0; s->read_reg_select = 0; @@ -545,15 +530,11 @@ static int picdev_read(struct kvm_io_device *this, */ static void pic_irq_request(struct kvm *kvm, int level) { - struct kvm_vcpu *vcpu = kvm->bsp_vcpu; struct kvm_pic *s = pic_irqchip(kvm); - int irq = pic_get_irq(&s->pics[0]); - s->output = level; - if (vcpu && level && (s->pics[0].isr_ack & (1 << irq))) { - s->pics[0].isr_ack &= ~(1 << irq); + if (!s->output) s->wakeup_needed = true; - } + s->output = level; } static const struct kvm_io_device_ops picdev_ops = { @@ -575,8 +556,6 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm) s->pics[1].elcr_mask = 0xde; s->pics[0].pics_state = s; s->pics[1].pics_state = s; - s->pics[0].isr_ack = 0xff; - s->pics[1].isr_ack = 0xff; /* * Initialize PIO device diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index d9855b8..9000829 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2669,8 +2669,6 @@ static int kvm_vcpu_ioctl_x86_set_vcpu_events(struct kvm_vcpu *vcpu, vcpu->arch.interrupt.pending = events->interrupt.injected; vcpu->arch.interrupt.nr = events->interrupt.nr; vcpu->arch.interrupt.soft = events->interrupt.soft; - if (vcpu->arch.interrupt.pending && irqchip_in_kernel(vcpu->kvm)) - kvm_pic_clear_isr_ack(vcpu->kvm); if (events->flags & KVM_VCPUEVENT_VALID_SHADOW) kvm_x86_ops->set_interrupt_shadow(vcpu, events->interrupt.shadow); @@ -5621,8 +5619,6 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, if (pending_vec < max_bits) { kvm_queue_interrupt(vcpu, pending_vec, false); pr_debug("Set back pending irq %d\n", pending_vec); - if (irqchip_in_kernel(vcpu->kvm)) - kvm_pic_clear_isr_ack(vcpu->kvm); } kvm_set_segment(vcpu, &sregs->cs, VCPU_SREG_CS); |