summaryrefslogtreecommitdiff
path: root/virt/kvm/ioapic.c
diff options
context:
space:
mode:
authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 08:57:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 09:01:08 +0200
commita22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4 (patch)
tree61a2eb7fa62f5af10c2b913ca429e6b068b0eb2d /virt/kvm/ioapic.c
parent20d5a540e55a29daeef12706f9ee73baf5641c16 (diff)
parentd9875690d9b89a866022ff49e3fcea892345ad92 (diff)
Merge tag 'v3.6-rc2' into drm-intel-next
Backmerge Linux 3.6-rc2 to resolve a few funny conflicts before we put even more madness on top: - drivers/gpu/drm/i915/i915_irq.c: Just a spurious WARN removed in -fixes, that has been changed in a variable-rename in -next, too. - drivers/gpu/drm/i915/intel_ringbuffer.c: -next remove scratch_addr (since all their users have been extracted in another fucntion), -fixes added another user for a hw workaroudn. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'virt/kvm/ioapic.c')
-rw-r--r--virt/kvm/ioapic.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index 26fd54dc459e..ef61d529a6c4 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -191,7 +191,8 @@ static int ioapic_deliver(struct kvm_ioapic *ioapic, int irq)
return kvm_irq_delivery_to_apic(ioapic->kvm, NULL, &irqe);
}
-int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
+int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int irq_source_id,
+ int level)
{
u32 old_irr;
u32 mask = 1 << irq;
@@ -201,9 +202,11 @@ int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
spin_lock(&ioapic->lock);
old_irr = ioapic->irr;
if (irq >= 0 && irq < IOAPIC_NUM_PINS) {
+ int irq_level = __kvm_irq_line_state(&ioapic->irq_states[irq],
+ irq_source_id, level);
entry = ioapic->redirtbl[irq];
- level ^= entry.fields.polarity;
- if (!level)
+ irq_level ^= entry.fields.polarity;
+ if (!irq_level)
ioapic->irr &= ~mask;
else {
int edge = (entry.fields.trig_mode == IOAPIC_EDGE_TRIG);
@@ -221,6 +224,16 @@ int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level)
return ret;
}
+void kvm_ioapic_clear_all(struct kvm_ioapic *ioapic, int irq_source_id)
+{
+ int i;
+
+ spin_lock(&ioapic->lock);
+ for (i = 0; i < KVM_IOAPIC_NUM_PINS; i++)
+ __clear_bit(irq_source_id, &ioapic->irq_states[i]);
+ spin_unlock(&ioapic->lock);
+}
+
static void __kvm_ioapic_update_eoi(struct kvm_ioapic *ioapic, int vector,
int trigger_mode)
{