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authorHeiko Carstens <heiko.carstens@de.ibm.com>2014-01-01 15:58:16 (GMT)
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-04-22 11:24:45 (GMT)
commit7d777d78241d98bbd75886a8d09a3c793eafc807 (patch)
tree5b83065c53e55365251f91a70178eefcc0f5d072 /arch/s390
parent2d8bcaeda1576ddd970629a6afb9a188c83cd409 (diff)
downloadlinux-7d777d78241d98bbd75886a8d09a3c793eafc807.tar.xz
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>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/priv.c7
1 files changed, 5 insertions, 2 deletions
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_lpswe(struct kvm_vcpu *vcpu)
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 @@ static int handle_stidp(struct kvm_vcpu *vcpu)
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;