kvm_pic_reset() is not used anywhere. Move reset logic from pic_ioport_write() there.
Signed-off-by: Gleb Natapov <[email protected]> --- arch/x86/kvm/i8259.c | 52 +++++++++++--------------------------------------- 1 file changed, 11 insertions(+), 41 deletions(-) diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 0147d16..14e9209 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -264,23 +264,20 @@ void kvm_pic_reset(struct kvm_kpic_state *s) { int irq, i; struct kvm_vcpu *vcpu; - u8 irr = s->irr, isr = s->imr; + u8 edge_irr = s->irr & ~s->elcr; bool found = false; s->last_irr = 0; - s->irr = 0; + s->irr &= s->elcr; s->imr = 0; - s->isr = 0; s->priority_add = 0; - s->irq_base = 0; - s->read_reg_select = 0; - s->poll = 0; s->special_mask = 0; - s->init_state = 0; - s->auto_eoi = 0; - s->rotate_on_auto_eoi = 0; - s->special_fully_nested_mode = 0; - s->init4 = 0; + s->read_reg_select = 0; + if (!s->init4) { + s->special_fully_nested_mode = 0; + s->auto_eoi = 0; + } + s->init_state = 1; kvm_for_each_vcpu(i, vcpu, s->pics_state->kvm) if (kvm_apic_accept_pic_intr(vcpu)) { @@ -293,7 +290,7 @@ void kvm_pic_reset(struct kvm_kpic_state *s) return; for (irq = 0; irq < PIC_NUM_PINS/2; irq++) - if (irr & (1 << irq) || isr & (1 << irq)) + if (edge_irr & (1 << irq)) pic_clear_isr(s, irq); } @@ -305,40 +302,13 @@ static void pic_ioport_write(void *opaque, u32 addr, u32 val) addr &= 1; if (addr == 0) { if (val & 0x10) { - u8 edge_irr = s->irr & ~s->elcr; - int i; - bool found; - struct kvm_vcpu *vcpu; - s->init4 = val & 1; - s->last_irr = 0; - s->irr &= s->elcr; - s->imr = 0; - s->priority_add = 0; - s->special_mask = 0; - s->read_reg_select = 0; - if (!s->init4) { - s->special_fully_nested_mode = 0; - s->auto_eoi = 0; - } - s->init_state = 1; if (val & 0x02) pr_pic_unimpl("single mode not supported"); if (val & 0x08) pr_pic_unimpl( - "level sensitive irq not supported"); - - kvm_for_each_vcpu(i, vcpu, s->pics_state->kvm) - if (kvm_apic_accept_pic_intr(vcpu)) { - found = true; - break; - } - - - if (found) - for (irq = 0; irq < PIC_NUM_PINS/2; irq++) - if (edge_irr & (1 << irq)) - pic_clear_isr(s, irq); + "level sensitive irq not supported"); + kvm_pic_reset(s); } else if (val & 0x08) { if (val & 0x04) s->poll = 1; -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
