diff options
| author | Xiantao Zhang <xiantao.zhang@intel.com> | 2008-10-23 15:03:38 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-10-29 16:26:48 +0200 |
| commit | 8ac952a4c150f281f9ecfe3ce46a3de6ef2ce1c6 (patch) | |
| tree | 846af666b90c11f785e4583b1dd670ce7fc16b09 | |
| parent | dbde8caac28bdd5f482c9519c114f23422eb4f4d (diff) | |
KVM: ia64: Remove lock held by halted vcpukvm-78
Remove the lock protection for kvm halt logic, otherwise,
once other vcpus want to acquire the lock, and they have to
wait all vcpus are waken up from halt.
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/ia64/kvm/kvm-ia64.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 43e45f6afcda..70eb829767f4 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -439,7 +439,6 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu) expires = div64_u64(itc_diff, cyc_per_usec); kt = ktime_set(0, 1000 * expires); - down_read(&vcpu->kvm->slots_lock); vcpu->arch.ht_active = 1; hrtimer_start(p_ht, kt, HRTIMER_MODE_ABS); @@ -452,7 +451,6 @@ int kvm_emulate_halt(struct kvm_vcpu *vcpu) if (vcpu->arch.mp_state == KVM_MP_STATE_HALTED) vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE; - up_read(&vcpu->kvm->slots_lock); if (vcpu->arch.mp_state != KVM_MP_STATE_RUNNABLE) return -EINTR; |