diff options
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r-- | arch/s390/kvm/sigp.c | 56 |
1 files changed, 18 insertions, 38 deletions
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index d0341d2e54b1..43079a48cc98 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -54,33 +54,23 @@ static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr, static int __sigp_emergency(struct kvm_vcpu *vcpu, u16 cpu_addr) { - struct kvm_s390_local_interrupt *li; - struct kvm_s390_interrupt_info *inti; + struct kvm_s390_interrupt s390int = { + .type = KVM_S390_INT_EMERGENCY, + .parm = vcpu->vcpu_id, + }; struct kvm_vcpu *dst_vcpu = NULL; + int rc = 0; if (cpu_addr < KVM_MAX_VCPUS) dst_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr); if (!dst_vcpu) return SIGP_CC_NOT_OPERATIONAL; - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return -ENOMEM; - - inti->type = KVM_S390_INT_EMERGENCY; - inti->emerg.code = vcpu->vcpu_id; + rc = kvm_s390_inject_vcpu(dst_vcpu, &s390int); + if (!rc) + VCPU_EVENT(vcpu, 4, "sent sigp emerg to cpu %x", cpu_addr); - li = &dst_vcpu->arch.local_int; - spin_lock_bh(&li->lock); - list_add_tail(&inti->list, &li->list); - atomic_set(&li->active, 1); - atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags); - if (waitqueue_active(li->wq)) - wake_up_interruptible(li->wq); - spin_unlock_bh(&li->lock); - VCPU_EVENT(vcpu, 4, "sent sigp emerg to cpu %x", cpu_addr); - - return SIGP_CC_ORDER_CODE_ACCEPTED; + return rc ? rc : SIGP_CC_ORDER_CODE_ACCEPTED; } static int __sigp_conditional_emergency(struct kvm_vcpu *vcpu, u16 cpu_addr, @@ -116,33 +106,23 @@ static int __sigp_conditional_emergency(struct kvm_vcpu *vcpu, u16 cpu_addr, static int __sigp_external_call(struct kvm_vcpu *vcpu, u16 cpu_addr) { - struct kvm_s390_local_interrupt *li; - struct kvm_s390_interrupt_info *inti; + struct kvm_s390_interrupt s390int = { + .type = KVM_S390_INT_EXTERNAL_CALL, + .parm = vcpu->vcpu_id, + }; struct kvm_vcpu *dst_vcpu = NULL; + int rc; if (cpu_addr < KVM_MAX_VCPUS) dst_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr); if (!dst_vcpu) return SIGP_CC_NOT_OPERATIONAL; - inti = kzalloc(sizeof(*inti), GFP_KERNEL); - if (!inti) - return -ENOMEM; - - inti->type = KVM_S390_INT_EXTERNAL_CALL; - inti->extcall.code = vcpu->vcpu_id; - - li = &dst_vcpu->arch.local_int; - spin_lock_bh(&li->lock); - list_add_tail(&inti->list, &li->list); - atomic_set(&li->active, 1); - atomic_set_mask(CPUSTAT_EXT_INT, li->cpuflags); - if (waitqueue_active(li->wq)) - wake_up_interruptible(li->wq); - spin_unlock_bh(&li->lock); - VCPU_EVENT(vcpu, 4, "sent sigp ext call to cpu %x", cpu_addr); + rc = kvm_s390_inject_vcpu(dst_vcpu, &s390int); + if (!rc) + VCPU_EVENT(vcpu, 4, "sent sigp ext call to cpu %x", cpu_addr); - return SIGP_CC_ORDER_CODE_ACCEPTED; + return rc ? rc : SIGP_CC_ORDER_CODE_ACCEPTED; } static int __inject_sigp_stop(struct kvm_s390_local_interrupt *li, int action) |