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Commit d172fcd3 authored Oct 15, 2007 by Laurent Vivier Committed by Ingo Molnar Oct 15, 2007

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: Laurent Vivier <Laurent.Vivier@bull.net>
Acked-by: Avi Kivity <avi@qumranet.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 94886b84

drivers/kvm/kvm.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -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)
		{

drivers/kvm/kvm_main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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();