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-rw-r--r--arch/s390/include/asm/kvm_host.h2
-rw-r--r--arch/s390/kvm/intercept.c11
2 files changed, 12 insertions, 1 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index 1aa2382fe363..fdc6ceff6397 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -215,6 +215,8 @@ struct kvm_s390_sie_block {
#define ICPT_PARTEXEC 0x38
#define ICPT_IOINST 0x40
#define ICPT_KSS 0x5c
+#define ICPT_MCHKREQ 0x60
+#define ICPT_INT_ENABLE 0x64
__u8 icptcode; /* 0x0050 */
__u8 icptstatus; /* 0x0051 */
__u16 ihcpu; /* 0x0052 */
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index a389fa85cca2..9090f29ae822 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -2,7 +2,7 @@
/*
* in-kernel handling for sie intercepts
*
- * Copyright IBM Corp. 2008, 2014
+ * Copyright IBM Corp. 2008, 2020
*
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Christian Borntraeger <borntraeger@de.ibm.com>
@@ -480,6 +480,15 @@ int kvm_handle_sie_intercept(struct kvm_vcpu *vcpu)
case ICPT_KSS:
rc = kvm_s390_skey_check_enable(vcpu);
break;
+ case ICPT_MCHKREQ:
+ case ICPT_INT_ENABLE:
+ /*
+ * PSW bit 13 or a CR (0, 6, 14) changed and we might
+ * now be able to deliver interrupts. The pre-run code
+ * will take care of this.
+ */
+ rc = 0;
+ break;
default:
return -EOPNOTSUPP;
}