diff options
Diffstat (limited to 'arch/s390/kvm/intercept.c')
| -rw-r--r-- | arch/s390/kvm/intercept.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index c0e6b49..f61c800 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -170,6 +170,8 @@ static void __extract_prog_irq(struct kvm_vcpu *vcpu, } } +#define per_event(vcpu) (vcpu->arch.sie_block->iprcc & PGM_PER) + static int handle_prog(struct kvm_vcpu *vcpu) { struct kvm_s390_pgm_info pgm_info; @@ -178,6 +180,13 @@ static int handle_prog(struct kvm_vcpu *vcpu) vcpu->stat.exit_program_interruption++; + if (guestdbg_enabled(vcpu) && per_event(vcpu)) { + kvm_s390_handle_per_event(vcpu); + /* the interrupt might have been filtered out completely */ + if (vcpu->arch.sie_block->iprcc == 0) + return 0; + } + /* Restore ITDB to Program-Interruption TDB in guest memory */ if (!IS_TE_ENABLED(vcpu) || !IS_ITDB_VALID(vcpu)) goto skip_itdb; |