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authorIngo Molnar <mingo@elte.hu>2008-07-22 09:06:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-22 09:06:21 +0200
commit76c3bb15d6786a0b8da0ad0090e0c9c3672fc08b (patch)
tree3824e008db9d554229a70c85fbbc13238276bd7a /arch/x86/kvm/lapic.c
parent7be42004065ce4df193aeef5befd26805267d0d9 (diff)
parent93ded9b8fd42abe2c3607097963d8de6ad9117eb (diff)
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'arch/x86/kvm/lapic.c')
-rw-r--r--arch/x86/kvm/lapic.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index ebc03f5ae162..73f43de69f67 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -356,8 +356,9 @@ static int __apic_accept_irq(struct kvm_lapic *apic, int delivery_mode,
case APIC_DM_SMI:
printk(KERN_DEBUG "Ignoring guest SMI\n");
break;
+
case APIC_DM_NMI:
- printk(KERN_DEBUG "Ignoring guest NMI\n");
+ kvm_inject_nmi(vcpu);
break;
case APIC_DM_INIT:
@@ -572,6 +573,8 @@ static u32 __apic_read(struct kvm_lapic *apic, unsigned int offset)
{
u32 val = 0;
+ KVMTRACE_1D(APIC_ACCESS, apic->vcpu, (u32)offset, handler);
+
if (offset >= LAPIC_MMIO_LENGTH)
return 0;
@@ -695,6 +698,8 @@ static void apic_mmio_write(struct kvm_io_device *this,
offset &= 0xff0;
+ KVMTRACE_1D(APIC_ACCESS, apic->vcpu, (u32)offset, handler);
+
switch (offset) {
case APIC_ID: /* Local APIC ID */
apic_set_reg(apic, APIC_ID, val);
@@ -780,7 +785,8 @@ static void apic_mmio_write(struct kvm_io_device *this,
}
-static int apic_mmio_range(struct kvm_io_device *this, gpa_t addr)
+static int apic_mmio_range(struct kvm_io_device *this, gpa_t addr,
+ int len, int size)
{
struct kvm_lapic *apic = (struct kvm_lapic *)this->private;
int ret = 0;
@@ -939,8 +945,8 @@ static int __apic_timer_fn(struct kvm_lapic *apic)
int result = 0;
wait_queue_head_t *q = &apic->vcpu->wq;
- atomic_inc(&apic->timer.pending);
- set_bit(KVM_REQ_PENDING_TIMER, &apic->vcpu->requests);
+ if(!atomic_inc_and_test(&apic->timer.pending))
+ set_bit(KVM_REQ_PENDING_TIMER, &apic->vcpu->requests);
if (waitqueue_active(q)) {
apic->vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
wake_up_interruptible(q);