commit 536336c21697551ceca44bdffb9f53e6cc5f2f20
author Dominik Dingel <dingel@linux.vnet.ibm.com> Mon Sep 30 10:55:33 2013 +0200
committer Christian Borntraeger <borntraeger@de.ibm.com> Thu Jan 30 13:11:05 2014 +0100
tree fd90db38f0b457deabad296b6999cc9b27d61634
parent 3c038e6be0e299d4d3762d0a9a29f02de6e04991

KVM: async_pf: Exploit one reg interface for pfault

To enable pfault after live migration we need to expose pfault_token,
pfault_select and pfault_compare, as one reg registers to userspace.

So that qemu is able to transfer this between the source and the target.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

arch/s390/include/uapi/asm/kvm.h

diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index ccfd0b1..cb4c1eb8 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -73,4 +73,7 @@
 #define KVM_REG_S390_EPOCHDIFF	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x2)
 #define KVM_REG_S390_CPU_TIMER  (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x3)
 #define KVM_REG_S390_CLOCK_COMP (KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x4)
+#define KVM_REG_S390_PFTOKEN	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x5)
+#define KVM_REG_S390_PFCOMPARE	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x6)
+#define KVM_REG_S390_PFSELECT	(KVM_REG_S390 | KVM_REG_SIZE_U64 | 0x7)
 #endif