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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-14 10:31:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-14 10:31:59 +0200 |
| commit | b4ba0ba24b57ec975482f4ba2d350fbee7557240 (patch) | |
| tree | c076e4c4e446180d6a36df3d55ae2ba7b0d7736e /virt/kvm/kvm_main.c | |
| parent | a033c332e047397904ed74816946b2edd9b0d5cd (diff) | |
| parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
Merge commit 'v2.6.26' into core/locking
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index f7ba099049e..2d29e260da3 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -758,25 +758,26 @@ void mark_page_dirty(struct kvm *kvm, gfn_t gfn) */ void kvm_vcpu_block(struct kvm_vcpu *vcpu) { - DECLARE_WAITQUEUE(wait, current); - - add_wait_queue(&vcpu->wq, &wait); - - /* - * We will block until either an interrupt or a signal wakes us up - */ - while (!kvm_cpu_has_interrupt(vcpu) - && !kvm_cpu_has_pending_timer(vcpu) - && !signal_pending(current) - && !kvm_arch_vcpu_runnable(vcpu)) { - set_current_state(TASK_INTERRUPTIBLE); + DEFINE_WAIT(wait); + + for (;;) { + prepare_to_wait(&vcpu->wq, &wait, TASK_INTERRUPTIBLE); + + if (kvm_cpu_has_interrupt(vcpu)) + break; + if (kvm_cpu_has_pending_timer(vcpu)) + break; + if (kvm_arch_vcpu_runnable(vcpu)) + break; + if (signal_pending(current)) + break; + vcpu_put(vcpu); schedule(); vcpu_load(vcpu); } - __set_current_state(TASK_RUNNING); - remove_wait_queue(&vcpu->wq, &wait); + finish_wait(&vcpu->wq, &wait); } void kvm_resched(struct kvm_vcpu *vcpu) |