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author | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-21 17:19:50 +0200 |
commit | eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0 (patch) | |
tree | 5ac6f43899648abeab1d43aad3107f664e7f13d5 /arch/x86/kvm/i8254.c | |
parent | c4762aba0b1f72659aae9ce37b772ca8bd8f06f4 (diff) | |
parent | 14b395e35d1afdd8019d11b92e28041fad591b71 (diff) | |
download | op-kernel-dev-eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0.zip op-kernel-dev-eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0.tar.gz |
Merge branch 'linus' into cpus4096-for-linus
Conflicts:
net/sunrpc/svc.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kvm/i8254.c')
-rw-r--r-- | arch/x86/kvm/i8254.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c index 3829aa7..c0f7872 100644 --- a/arch/x86/kvm/i8254.c +++ b/arch/x86/kvm/i8254.c @@ -91,7 +91,7 @@ static void pit_set_gate(struct kvm *kvm, int channel, u32 val) c->gate = val; } -int pit_get_gate(struct kvm *kvm, int channel) +static int pit_get_gate(struct kvm *kvm, int channel) { WARN_ON(!mutex_is_locked(&kvm->arch.vpit->pit_state.lock)); @@ -193,19 +193,16 @@ static void pit_latch_status(struct kvm *kvm, int channel) } } -int __pit_timer_fn(struct kvm_kpit_state *ps) +static int __pit_timer_fn(struct kvm_kpit_state *ps) { struct kvm_vcpu *vcpu0 = ps->pit->kvm->vcpus[0]; struct kvm_kpit_timer *pt = &ps->pit_timer; - atomic_inc(&pt->pending); - smp_mb__after_atomic_inc(); - if (vcpu0) { + if (!atomic_inc_and_test(&pt->pending)) set_bit(KVM_REQ_PENDING_TIMER, &vcpu0->requests); - if (waitqueue_active(&vcpu0->wq)) { - vcpu0->arch.mp_state = KVM_MP_STATE_RUNNABLE; - wake_up_interruptible(&vcpu0->wq); - } + if (vcpu0 && waitqueue_active(&vcpu0->wq)) { + vcpu0->arch.mp_state = KVM_MP_STATE_RUNNABLE; + wake_up_interruptible(&vcpu0->wq); } pt->timer.expires = ktime_add_ns(pt->timer.expires, pt->period); @@ -308,6 +305,7 @@ static void pit_load_count(struct kvm *kvm, int channel, u32 val) create_pit_timer(&ps->pit_timer, val, 0); break; case 2: + case 3: create_pit_timer(&ps->pit_timer, val, 1); break; default: @@ -459,7 +457,8 @@ static void pit_ioport_read(struct kvm_io_device *this, mutex_unlock(&pit_state->lock); } -static int pit_in_range(struct kvm_io_device *this, gpa_t addr) +static int pit_in_range(struct kvm_io_device *this, gpa_t addr, + int len, int is_write) { return ((addr >= KVM_PIT_BASE_ADDRESS) && (addr < KVM_PIT_BASE_ADDRESS + KVM_PIT_MEM_LENGTH)); @@ -500,7 +499,8 @@ static void speaker_ioport_read(struct kvm_io_device *this, mutex_unlock(&pit_state->lock); } -static int speaker_in_range(struct kvm_io_device *this, gpa_t addr) +static int speaker_in_range(struct kvm_io_device *this, gpa_t addr, + int len, int is_write) { return (addr == KVM_SPEAKER_BASE_ADDRESS); } @@ -575,7 +575,7 @@ void kvm_free_pit(struct kvm *kvm) } } -void __inject_pit_timer_intr(struct kvm *kvm) +static void __inject_pit_timer_intr(struct kvm *kvm) { mutex_lock(&kvm->lock); kvm_ioapic_set_irq(kvm->arch.vioapic, 0, 1); |