diff options
Diffstat (limited to 'arch/s390/kvm')
| -rw-r--r-- | arch/s390/kvm/Kconfig | 2 | ||||
| -rw-r--r-- | arch/s390/kvm/interrupt.c | 8 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 |
3 files changed, 8 insertions, 6 deletions
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig index b58dd869cb3..60f9f8ae0fc 100644 --- a/arch/s390/kvm/Kconfig +++ b/arch/s390/kvm/Kconfig @@ -18,7 +18,7 @@ if VIRTUALIZATION config KVM def_tristate y prompt "Kernel-based Virtual Machine (KVM) support" - depends on HAVE_KVM && EXPERIMENTAL + depends on HAVE_KVM select PREEMPT_NOTIFIERS select ANON_INODES select HAVE_KVM_CPU_RELAX_INTERCEPT diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index 2f6ccb065c4..37116a77cb4 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -484,7 +484,7 @@ static int kvm_cpu_has_interrupt(struct kvm_vcpu *vcpu) } if ((!rc) && (vcpu->arch.sie_block->ckc < - get_clock() + vcpu->arch.sie_block->epoch)) { + get_tod_clock() + vcpu->arch.sie_block->epoch)) { if ((!psw_extint_disabled(vcpu)) && (vcpu->arch.sie_block->gcr[0] & 0x800ul)) rc = 1; @@ -524,13 +524,13 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu) goto no_timer; } - now = get_clock() + vcpu->arch.sie_block->epoch; + now = get_tod_clock() + vcpu->arch.sie_block->epoch; if (vcpu->arch.sie_block->ckc < now) { __unset_cpu_idle(vcpu); return 0; } - sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9; + sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now); hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL); VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime); @@ -614,7 +614,7 @@ void kvm_s390_deliver_pending_interrupts(struct kvm_vcpu *vcpu) } if ((vcpu->arch.sie_block->ckc < - get_clock() + vcpu->arch.sie_block->epoch)) + get_tod_clock() + vcpu->arch.sie_block->epoch)) __try_deliver_ckc_interrupt(vcpu); if (atomic_read(&fi->active)) { diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 4377d188663..4cf35a0a79e 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -149,7 +149,7 @@ int kvm_dev_ioctl_check_extension(long ext) r = KVM_MAX_VCPUS; break; case KVM_CAP_S390_COW: - r = sclp_get_fac85() & 0x2; + r = MACHINE_HAS_ESOP; break; default: r = 0; @@ -618,7 +618,9 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) kvm_s390_deliver_pending_interrupts(vcpu); vcpu->arch.sie_block->icptcode = 0; + preempt_disable(); kvm_guest_enter(); + preempt_enable(); VCPU_EVENT(vcpu, 6, "entering sie flags %x", atomic_read(&vcpu->arch.sie_block->cpuflags)); trace_kvm_s390_sie_enter(vcpu, |