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| author | Laurent Vivier <Laurent.Vivier@bull.net> | 2007-10-15 17:00:19 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-10-15 17:00:19 +0200 |
| commit | d172fcd3ae1ca7ac27ec8904242fd61e0e11d332 (patch) | |
| tree | 5009ae88a2ab2aa7f17219c7ddfc0a694c2ff6b4 /drivers/kvm | |
| parent | 94886b84b1bcdc95f34f70e7fce407efefe472e1 (diff) | |
| download | linux-stable-d172fcd3ae1ca7ac27ec8904242fd61e0e11d332.tar.gz linux-stable-d172fcd3ae1ca7ac27ec8904242fd61e0e11d332.tar.bz2 linux-stable-d172fcd3ae1ca7ac27ec8904242fd61e0e11d332.zip | |
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>
Diffstat (limited to 'drivers/kvm')
| -rw-r--r-- | drivers/kvm/kvm.h | 10 | ||||
| -rw-r--r-- | drivers/kvm/kvm_main.c | 2 |
2 files changed, 12 insertions, 0 deletions
diff --git a/drivers/kvm/kvm.h b/drivers/kvm/kvm.h index ad0813843adc..3b0bc4bda5f2 100644 --- a/drivers/kvm/kvm.h +++ b/drivers/kvm/kvm.h @@ -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) { diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c index 353e58527d15..af2d288c881d 100644 --- a/drivers/kvm/kvm_main.c +++ b/drivers/kvm/kvm_main.c @@ -2046,6 +2046,7 @@ again: 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 @@ again: kvm_x86_ops->run(vcpu, kvm_run); + kvm_guest_exit(); vcpu->guest_mode = 0; local_irq_enable(); |