[S390] kvm: handle tprot intercepts

When running a kvm guest we can get intercepts for tprot, if the host
page table is read-only or not populated. This patch implements the
most common case (linux memory detection).
This also allows host copy on write for guest memory on newer systems.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index cef7dbf69dfc..e9bcdca32a32 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -138,6 +138,7 @@ struct kvm_vcpu_stat {
         u32 instruction_chsc;
         u32 instruction_stsi;
         u32 instruction_stfl;
+        u32 instruction_tprot;
         u32 instruction_sigp_sense;
         u32 instruction_sigp_emergency;
         u32 instruction_sigp_stop;