diff options
Diffstat (limited to 'arch/s390/kvm')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 10 | ||||
| -rw-r--r-- | arch/s390/kvm/kvm-s390.h | 23 |
2 files changed, 26 insertions, 7 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 9bc57afe54ba..6bc69ab5b5b4 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -454,10 +454,10 @@ static int kvm_s390_set_tod_low(struct kvm *kvm, struct kvm_device_attr *attr) mutex_lock(&kvm->lock); kvm->arch.epoch = gtod - host_tod; - kvm_for_each_vcpu(vcpu_idx, cur_vcpu, kvm) { + kvm_s390_vcpu_block_all(kvm); + kvm_for_each_vcpu(vcpu_idx, cur_vcpu, kvm) cur_vcpu->arch.sie_block->epoch = kvm->arch.epoch; - exit_sie(cur_vcpu); - } + kvm_s390_vcpu_unblock_all(kvm); mutex_unlock(&kvm->lock); return 0; } @@ -1414,12 +1414,12 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu) return kvm_s390_vcpu_has_irq(vcpu, 0); } -void s390_vcpu_block(struct kvm_vcpu *vcpu) +void kvm_s390_vcpu_block(struct kvm_vcpu *vcpu) { atomic_set_mask(PROG_BLOCK_SIE, &vcpu->arch.sie_block->prog20); } -void s390_vcpu_unblock(struct kvm_vcpu *vcpu) +void kvm_s390_vcpu_unblock(struct kvm_vcpu *vcpu) { atomic_clear_mask(PROG_BLOCK_SIE, &vcpu->arch.sie_block->prog20); } diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index 8edca85e246e..c5704786e473 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -211,8 +211,8 @@ int kvm_s390_vcpu_store_status(struct kvm_vcpu *vcpu, unsigned long addr); int kvm_s390_vcpu_store_adtl_status(struct kvm_vcpu *vcpu, unsigned long addr); void kvm_s390_vcpu_start(struct kvm_vcpu *vcpu); void kvm_s390_vcpu_stop(struct kvm_vcpu *vcpu); -void s390_vcpu_block(struct kvm_vcpu *vcpu); -void s390_vcpu_unblock(struct kvm_vcpu *vcpu); +void kvm_s390_vcpu_block(struct kvm_vcpu *vcpu); +void kvm_s390_vcpu_unblock(struct kvm_vcpu *vcpu); void exit_sie(struct kvm_vcpu *vcpu); void kvm_s390_sync_request(int req, struct kvm_vcpu *vcpu); int kvm_s390_vcpu_setup_cmma(struct kvm_vcpu *vcpu); @@ -228,6 +228,25 @@ int kvm_s390_handle_diag(struct kvm_vcpu *vcpu); int kvm_s390_inject_prog_irq(struct kvm_vcpu *vcpu, struct kvm_s390_pgm_info *pgm_info); +static inline void kvm_s390_vcpu_block_all(struct kvm *kvm) +{ + int i; + struct kvm_vcpu *vcpu; + + WARN_ON(!mutex_is_locked(&kvm->lock)); + kvm_for_each_vcpu(i, vcpu, kvm) + kvm_s390_vcpu_block(vcpu); +} + +static inline void kvm_s390_vcpu_unblock_all(struct kvm *kvm) +{ + int i; + struct kvm_vcpu *vcpu; + + kvm_for_each_vcpu(i, vcpu, kvm) + kvm_s390_vcpu_unblock(vcpu); +} + /** * kvm_s390_inject_prog_cond - conditionally inject a program check * @vcpu: virtual cpu |