[S390] kvm: make sigp emerg smp capable
SIGP emerg needs to pass the source vpu adress into __LC_CPU_ADDRESS of the
target guest.
Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h
index e5d082c..00ff00d 100644
--- a/arch/s390/include/asm/kvm_host.h
+++ b/arch/s390/include/asm/kvm_host.h
@@ -174,6 +174,10 @@
__u32 address;
};
+struct kvm_s390_emerg_info {
+ __u16 code;
+};
+
struct kvm_s390_interrupt_info {
struct list_head list;
u64 type;
@@ -181,6 +185,7 @@
struct kvm_s390_io_info io;
struct kvm_s390_ext_info ext;
struct kvm_s390_pgm_info pgm;
+ struct kvm_s390_emerg_info emerg;
struct kvm_s390_prefix_info prefix;
};
};
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 35c21bf..c9aeb4b 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -128,6 +128,10 @@
if (rc == -EFAULT)
exception = 1;
+ rc = put_guest_u16(vcpu, __LC_CPU_ADDRESS, inti->emerg.code);
+ if (rc == -EFAULT)
+ exception = 1;
+
rc = copy_to_guest(vcpu, __LC_EXT_OLD_PSW,
&vcpu->arch.sie_block->gpsw, sizeof(psw_t));
if (rc == -EFAULT)