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-rw-r--r--arch/s390/kvm/priv.c13
-rw-r--r--arch/s390/kvm/trace.h2
2 files changed, 9 insertions, 6 deletions
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index b8327b8fdb8f..6745c2a602c3 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -152,24 +152,27 @@ static int handle_store_cpu_address(struct kvm_vcpu *vcpu)
static int __skey_check_enable(struct kvm_vcpu *vcpu)
{
int rc = 0;
+
+ trace_kvm_s390_skey_related_inst(vcpu);
if (!(vcpu->arch.sie_block->ictl & (ICTL_ISKE | ICTL_SSKE | ICTL_RRBE)))
return rc;
rc = s390_enable_skey();
- VCPU_EVENT(vcpu, 3, "%s", "enabling storage keys for guest");
- trace_kvm_s390_skey_related_inst(vcpu);
- vcpu->arch.sie_block->ictl &= ~(ICTL_ISKE | ICTL_SSKE | ICTL_RRBE);
+ VCPU_EVENT(vcpu, 3, "enabling storage keys for guest: %d", rc);
+ if (!rc)
+ vcpu->arch.sie_block->ictl &= ~(ICTL_ISKE | ICTL_SSKE | ICTL_RRBE);
return rc;
}
static int handle_skey(struct kvm_vcpu *vcpu)
{
- int rc = __skey_check_enable(vcpu);
+ int rc;
+ vcpu->stat.instruction_storage_key++;
+ rc = __skey_check_enable(vcpu);
if (rc)
return rc;
- vcpu->stat.instruction_storage_key++;
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
diff --git a/arch/s390/kvm/trace.h b/arch/s390/kvm/trace.h
index 1c4586b367a4..4fc9d4e5be89 100644
--- a/arch/s390/kvm/trace.h
+++ b/arch/s390/kvm/trace.h
@@ -41,7 +41,7 @@ TRACE_EVENT(kvm_s390_skey_related_inst,
TP_fast_assign(
VCPU_ASSIGN_COMMON
),
- VCPU_TP_PRINTK("%s", "first instruction related to skeys on vcpu")
+ VCPU_TP_PRINTK("%s", "storage key related instruction")
);
TRACE_EVENT(kvm_s390_major_guest_pfault,