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authorEddie Dong <eddie.dong@intel.com>2007-07-18 12:15:21 +0300
committerAvi Kivity <avi@qumranet.com>2007-10-13 10:18:25 +0200
commitb6958ce44a11a9e9425d2b67a653b1ca2a27796f (patch)
tree503478ef27254df9b6ea21d2a6a279a7dfe2ef04 /drivers/kvm/i8259.c
parent1fd4f2a5ed8f80cf6e23d2bdf78554f6a1ac7997 (diff)
downloadblackbird-op-linux-b6958ce44a11a9e9425d2b67a653b1ca2a27796f.tar.gz
blackbird-op-linux-b6958ce44a11a9e9425d2b67a653b1ca2a27796f.zip
KVM: Emulate hlt in the kernel
By sleeping in the kernel when hlt is executed, we simplify the in-kernel guest interrupt path considerably. Signed-off-by: Gregory Haskins <ghaskins@novell.com> Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/i8259.c')
-rw-r--r--drivers/kvm/i8259.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/kvm/i8259.c b/drivers/kvm/i8259.c
index 40ad10462238..ee6030dc5c04 100644
--- a/drivers/kvm/i8259.c
+++ b/drivers/kvm/i8259.c
@@ -413,8 +413,11 @@ static void picdev_read(struct kvm_io_device *this,
static void pic_irq_request(void *opaque, int level)
{
struct kvm *kvm = opaque;
+ struct kvm_vcpu *vcpu = kvm->vcpus[0];
pic_irqchip(kvm)->output = level;
+ if (vcpu)
+ kvm_vcpu_kick(vcpu);
}
struct kvm_pic *kvm_create_pic(struct kvm *kvm)
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