KVM: s390: convert handle_stidp()
Convert handle_stidp() to new guest access functions.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 2de7454..bc96972 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -428,7 +428,9 @@
static int handle_stidp(struct kvm_vcpu *vcpu)
{
+ u64 stidp_data = vcpu->arch.stidp_data;
u64 operand2;
+ int rc;
vcpu->stat.instruction_stidp++;
@@ -440,8 +442,9 @@
if (operand2 & 7)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
- if (put_guest(vcpu, vcpu->arch.stidp_data, (u64 __user *)operand2))
- return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+ rc = write_guest(vcpu, operand2, &stidp_data, sizeof(stidp_data));
+ if (rc)
+ return kvm_s390_inject_prog_cond(vcpu, rc);
VCPU_EVENT(vcpu, 5, "%s", "store cpu id");
return 0;