diff options
Diffstat (limited to 'arch/s390/kvm/priv.c')
| -rw-r--r-- | arch/s390/kvm/priv.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 4f6bc165d79b..f4451f09b9ed 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -259,7 +259,15 @@ static int handle_tpi(struct kvm_vcpu *vcpu) if (write_guest_lc(vcpu, __LC_SUBCHANNEL_ID, &tpi_data, len)) rc = -EFAULT; } - kfree(inti); + /* + * If we encounter a problem storing the interruption code, the + * instruction is suppressed from the guest's view: reinject the + * interrupt. + */ + if (!rc) + kfree(inti); + else + kvm_s390_reinject_io_int(vcpu->kvm, inti); no_interrupt: /* Set condition code and we're done. */ if (!rc) |