Commit d172fcd3 authored by Laurent Vivier's avatar Laurent Vivier Committed by Ingo Molnar
Browse files

sched: guest CPU accounting: maintain guest state in KVM



Modify KVM to update guest time accounting.

[ mingo@elte.hu: ported to 2.6.24 KVM. ]
Signed-off-by: default avatarLaurent Vivier <Laurent.Vivier@bull.net>
Acked-by: default avatarAvi Kivity <avi@qumranet.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 94886b84
......@@ -624,6 +624,16 @@ void kvm_mmu_unload(struct kvm_vcpu *vcpu);
int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run);
static inline void kvm_guest_enter(void)
{
current->flags |= PF_VCPU;
}
static inline void kvm_guest_exit(void)
{
current->flags &= ~PF_VCPU;
}
static inline int kvm_mmu_page_fault(struct kvm_vcpu *vcpu, gva_t gva,
u32 error_code)
{
......
......@@ -2046,6 +2046,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
kvm_x86_ops->inject_pending_vectors(vcpu, kvm_run);
vcpu->guest_mode = 1;
kvm_guest_enter();
if (vcpu->requests)
if (test_and_clear_bit(KVM_TLB_FLUSH, &vcpu->requests))
......@@ -2053,6 +2054,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
kvm_x86_ops->run(vcpu, kvm_run);
kvm_guest_exit();
vcpu->guest_mode = 0;
local_irq_enable();
......
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