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KVM: Move apic timer migration away from critical section

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Migrating the apic timer in the critical section is not very nice, and is
absolutely horrible with the real-time port.  Move migration to the regular
vcpu execution path, triggered by a new bitflag.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Avi Kivity
2008-01-16 12:49:30 +02:00
parent a03d7f4b54
commit 2f52d58c92
4 changed files with 12 additions and 4 deletions
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3
arch/x86/kvm/lapic.c
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@@ -1092,7 +1092,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu)
start_apic_timer(apic);
}
void kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
{
struct kvm_lapic *apic = vcpu->arch.apic;
struct hrtimer *timer;
@@ -1104,7 +1104,6 @@ void kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
if (hrtimer_cancel(timer))
hrtimer_start(timer, timer->expires, HRTIMER_MODE_ABS);
}
EXPORT_SYMBOL_GPL(kvm_migrate_apic_timer);
void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu)
{